Negative coverage: can_outlive / universal target / premise prove(&env.program, &env.env, assumptions, Relation::outlives(param_a, var_b)) => c
Premise at line 81. Observed failure causes: failed_judgment.
universal target| Line | Coverage | Source |
|---|---|---|
| 80 | ✗ | (if var_b.is_universal()) |
| 81 | 10 | (prove(&env.program, &env.env, assumptions, Relation::outlives(param_a, var_b)) => c) |
| 82 | ✗ | (if c.unconditionally_true()) |
| ──────── ("universal target") | ||
| 84 | 2 | (can_outlive(env, assumptions, _outlives, param_a, var_b: Variable) => ()) |
10 tests failed proving this premise:
Source location: tests/borrowck.rs:2234
fn foo<'a, 'b>(v1: &'a u32) -> &'b u32 {
exists<'r0> {
let v2: &'r0 u32 = v1;
return v2;
}
}Failed proof tree
check_all_crates failedmod.rs:41args
rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60args
rule "check crate"mod.rs:73check_crate_item failedmod.rs:178rule "free fn"mod.rs:206check_free_fn failedfns.rs:14args
rule "check free fn"fns.rs:24check_fn failedfns.rs:31args
rule "check fn"fns.rs:55check_fn_body failedfns.rs:62args
rule "expr fn body"fns.rs:90borrow_check failednll.rs:127args
rule "borrow_check"nll.rs:138borrow_check_block failednll.rs:145rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "exists"nll.rs:327borrow_check_block failednll.rs:145args
rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "return"nll.rs:282prove_assignable failednll.rs:1067args
rule "subtype"nll.rs:1085verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "assumption - relation"prove_wc.rs:54prove_via failedprove_via.rs:8args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args
rule "return"nll.rs:282prove_assignable failednll.rs:1067args
rule "subtype"nll.rs:1085verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "assumption - relation"prove_wc.rs:54prove_via failedprove_via.rs:8args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args
Source location: tests/borrowck.rs:2256
fn foo<'a, 'b>(v1: &'a u32, v2: &'b u32) -> () {
let output: &'b u32 = v2;
loop {
output = v1;
}
}Failed proof tree
check_all_crates failedmod.rs:41args
rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60args
rule "check crate"mod.rs:73check_crate_item failedmod.rs:178rule "free fn"mod.rs:206check_free_fn failedfns.rs:14args
rule "check free fn"fns.rs:24check_fn failedfns.rs:31args
rule "check fn"fns.rs:55check_fn_body failedfns.rs:62args
rule "expr fn body"fns.rs:90borrow_check failednll.rs:127args
rule "borrow_check"nll.rs:138borrow_check_block failednll.rs:145rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "loop"nll.rs:247borrow_check_loop failednll.rs:575args
rule "fixed-point"nll.rs:595borrow_check_block failednll.rs:145args
rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "expr"nll.rs:230borrow_check_expr failednll.rs:372args
rule "assign"nll.rs:402prove_assignable failednll.rs:1067args
rule "subtype"nll.rs:1085verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args
rule "assign"nll.rs:402prove_assignable failednll.rs:1067args
rule "subtype"nll.rs:1085verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args
rule "loop"nll.rs:587borrow_check_block failednll.rs:145args
rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "expr"nll.rs:230borrow_check_expr failednll.rs:372args
rule "assign"nll.rs:402prove_assignable failednll.rs:1067args
rule "subtype"nll.rs:1085verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args
rule "assign"nll.rs:402prove_assignable failednll.rs:1067args
rule "subtype"nll.rs:1085verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args
Source location: tests/borrowck.rs:2313
fn foo<'a, 'b, 'c>(v1: &'a u32) -> &'c u32
where
'a: 'b,
{
return v1;
}Failed proof tree
check_all_crates failedmod.rs:41args
rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60args
rule "check crate"mod.rs:73check_crate_item failedmod.rs:178rule "free fn"mod.rs:206check_free_fn failedfns.rs:14args
rule "check free fn"fns.rs:24check_fn failedfns.rs:31args
rule "check fn"fns.rs:55check_fn_body failedfns.rs:62args
rule "expr fn body"fns.rs:90borrow_check failednll.rs:127args
rule "borrow_check"nll.rs:138borrow_check_block failednll.rs:145rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "return"nll.rs:282prove_assignable failednll.rs:1067args
rule "subtype"nll.rs:1085verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "assumption - relation"prove_wc.rs:54prove_via failedprove_via.rs:8args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args
rule "return"nll.rs:282prove_assignable failednll.rs:1067args
rule "subtype"nll.rs:1085verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "assumption - relation"prove_wc.rs:54prove_via failedprove_via.rs:8args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args
Source location: tests/borrowck.rs:2986
fn foo<'a, 'b>(a: &'a u32) -> &'b u32 {
let r: &'b u32 = identity::<&'b u32>(a);
return r;
}Failed proof tree
check_all_crates failedmod.rs:41args
rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60args
rule "check crate"mod.rs:73check_crate_item failedmod.rs:178rule "free fn"mod.rs:206check_free_fn failedfns.rs:14args
rule "check free fn"fns.rs:24check_fn failedfns.rs:31args
rule "check fn"fns.rs:55check_fn_body failedfns.rs:62args
rule "expr fn body"fns.rs:90borrow_check failednll.rs:127args
rule "borrow_check"nll.rs:138borrow_check_block failednll.rs:145rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "let"nll.rs:194borrow_check_expr_has_ty failednll.rs:351args
rule "block"nll.rs:364borrow_check_expr failednll.rs:372args
rule "call"nll.rs:443borrow_check_expr_has_ty failednll.rs:351args
rule "block"nll.rs:365prove_assignable failednll.rs:1067args
rule "subtype"nll.rs:1085verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args
rule "block"nll.rs:365prove_assignable failednll.rs:1067args
rule "subtype"nll.rs:1085verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args
Source location: tests/borrowck.rs:3527
fn foo<'a, 'b>(p: &'a mut u32) -> u32 {
let q: &'b mut u32 = &mut 'b *p;
q;
return 0_u32;
}Failed proof tree
check_all_crates failedmod.rs:41args
rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60args
rule "check crate"mod.rs:73check_crate_item failedmod.rs:178rule "free fn"mod.rs:206check_free_fn failedfns.rs:14args
rule "check free fn"fns.rs:24check_fn failedfns.rs:31args
rule "check fn"fns.rs:55check_fn_body failedfns.rs:62args
rule "expr fn body"fns.rs:90borrow_check failednll.rs:127args
rule "borrow_check"nll.rs:138borrow_check_block failednll.rs:145rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "let"nll.rs:194borrow_check_expr_has_ty failednll.rs:351args
rule "block"nll.rs:364borrow_check_expr failednll.rs:372args
rule "ref"nll.rs:495verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args
Source location: tests/borrowck.rs:4596
#[test]
fn flow_sensitive_invariance_use_it() {
// [nll]: rustc errors
FormalityTest::new(feature_gate_program(
NLL_GATE,
FLOW_SENSITIVE_INVARIANCE_USE_IT,
))
.skip_execute()
.err(expect_test::expect![[r#"
crates/formality-rust/src/prove/prove_via.rs:8:1: no applicable rules for prove_via { goal: !lt_1 : !lt_2, via: @ wf(?lt_0), assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove_outlives.rs:8:1: no applicable rules for prove_outlives { a: !lt_1, b: !lt_2, assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }"#]]);
// [polonius]: rustc errors
FormalityTest::new(feature_gate_program(
POLONIUS_ALPHA_GATE,
FLOW_SENSITIVE_INVARIANCE_USE_IT,
))
.skip_execute()
.err(expect_test::expect![[r#"
crates/formality-rust/src/prove/prove_via.rs:8:1: no applicable rules for prove_via { goal: !lt_1 : !lt_2, via: @ wf(?lt_0), assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove_outlives.rs:8:1: no applicable rules for prove_outlives { a: !lt_1, b: !lt_2, assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }"#]]);
// [legacy]: rustc passes
FormalityTest::new(feature_gate_program(
POLONIUS_UNLOCKED_GATE,
FLOW_SENSITIVE_INVARIANCE_USE_IT,
))
.skip_execute()
.ok();
}Failed proof tree
check_all_crates failedmod.rs:41args
rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60args
rule "check crate"mod.rs:73check_crate_item failedmod.rs:178rule "free fn"mod.rs:206check_free_fn failedfns.rs:14args
rule "check free fn"fns.rs:24check_fn failedfns.rs:31args
rule "check fn"fns.rs:55check_fn_body failedfns.rs:62args
rule "expr fn body"fns.rs:90borrow_check failednll.rs:127args
rule "borrow_check"nll.rs:138borrow_check_block failednll.rs:145rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "exists"nll.rs:330borrow_check_block failednll.rs:145args
rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "if"nll.rs:220borrow_check_block failednll.rs:145args
rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "return"nll.rs:280borrow_check_expr failednll.rs:372rule "call"nll.rs:445verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "assumption - relation"prove_wc.rs:54prove_via failedprove_via.rs:8args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args
Source location: tests/borrowck.rs:4607
#[test]
fn flow_sensitive_invariance_use_it() {
// [nll]: rustc errors
FormalityTest::new(feature_gate_program(
NLL_GATE,
FLOW_SENSITIVE_INVARIANCE_USE_IT,
))
.skip_execute()
.err(expect_test::expect![[r#"
crates/formality-rust/src/prove/prove_via.rs:8:1: no applicable rules for prove_via { goal: !lt_1 : !lt_2, via: @ wf(?lt_0), assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove_outlives.rs:8:1: no applicable rules for prove_outlives { a: !lt_1, b: !lt_2, assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }"#]]);
// [polonius]: rustc errors
FormalityTest::new(feature_gate_program(
POLONIUS_ALPHA_GATE,
FLOW_SENSITIVE_INVARIANCE_USE_IT,
))
.skip_execute()
.err(expect_test::expect![[r#"
crates/formality-rust/src/prove/prove_via.rs:8:1: no applicable rules for prove_via { goal: !lt_1 : !lt_2, via: @ wf(?lt_0), assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove_outlives.rs:8:1: no applicable rules for prove_outlives { a: !lt_1, b: !lt_2, assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }"#]]);
// [legacy]: rustc passes
FormalityTest::new(feature_gate_program(
POLONIUS_UNLOCKED_GATE,
FLOW_SENSITIVE_INVARIANCE_USE_IT,
))
.skip_execute()
.ok();
}Failed proof tree
check_all_crates failedmod.rs:41args
rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60args
rule "check crate"mod.rs:73check_crate_item failedmod.rs:178rule "free fn"mod.rs:206check_free_fn failedfns.rs:14args
rule "check free fn"fns.rs:24check_fn failedfns.rs:31args
rule "check fn"fns.rs:55check_fn_body failedfns.rs:62args
rule "expr fn body"fns.rs:90borrow_check failednll.rs:127args
rule "borrow_check"nll.rs:138borrow_check_block failednll.rs:145rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "exists"nll.rs:315verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "assumption - relation"prove_wc.rs:54prove_via failedprove_via.rs:8args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args
Source location: tests/borrowck.rs:4651
#[test]
fn flow_sensitive_invariance_use_both() {
FormalityTest::new(feature_gate_program(
NLL_GATE,
FLOW_SENSITIVE_INVARIANCE_USE_BOTH,
))
.skip_execute()
.err(expect_test::expect![[r#"
crates/formality-rust/src/prove/prove_via.rs:8:1: no applicable rules for prove_via { goal: !lt_1 : !lt_2, via: @ wf(?lt_0), assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove_outlives.rs:8:1: no applicable rules for prove_outlives { a: !lt_1, b: !lt_2, assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }"#]]);
FormalityTest::new(feature_gate_program(
POLONIUS_ALPHA_GATE,
FLOW_SENSITIVE_INVARIANCE_USE_BOTH,
))
.skip_execute()
.err(expect_test::expect![[r#"
crates/formality-rust/src/prove/prove_via.rs:8:1: no applicable rules for prove_via { goal: !lt_1 : !lt_2, via: @ wf(?lt_0), assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove_outlives.rs:8:1: no applicable rules for prove_outlives { a: !lt_1, b: !lt_2, assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }"#]]);
FormalityTest::new(feature_gate_program(
POLONIUS_UNLOCKED_GATE,
FLOW_SENSITIVE_INVARIANCE_USE_BOTH,
))
.skip_execute()
.err(expect_test::expect![[r#"
crates/formality-rust/src/prove/prove_via.rs:8:1: no applicable rules for prove_via { goal: !lt_1 : !lt_2, via: @ wf(?lt_0), assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove_outlives.rs:8:1: no applicable rules for prove_outlives { a: !lt_1, b: !lt_2, assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }"#]]);
}Failed proof tree
check_all_crates failedmod.rs:41args
rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60args
rule "check crate"mod.rs:73check_crate_item failedmod.rs:178rule "free fn"mod.rs:206check_free_fn failedfns.rs:14args
rule "check free fn"fns.rs:24check_fn failedfns.rs:31args
rule "check fn"fns.rs:55check_fn_body failedfns.rs:62args
rule "expr fn body"fns.rs:90borrow_check failednll.rs:127args
rule "borrow_check"nll.rs:138borrow_check_block failednll.rs:145rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "exists"nll.rs:327borrow_check_block failednll.rs:145args
rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "expr"nll.rs:230borrow_check_expr failednll.rs:372args
rule "call"nll.rs:445verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "assumption - relation"prove_wc.rs:54prove_via failedprove_via.rs:8args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args
Source location: tests/borrowck.rs:4661
#[test]
fn flow_sensitive_invariance_use_both() {
FormalityTest::new(feature_gate_program(
NLL_GATE,
FLOW_SENSITIVE_INVARIANCE_USE_BOTH,
))
.skip_execute()
.err(expect_test::expect![[r#"
crates/formality-rust/src/prove/prove_via.rs:8:1: no applicable rules for prove_via { goal: !lt_1 : !lt_2, via: @ wf(?lt_0), assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove_outlives.rs:8:1: no applicable rules for prove_outlives { a: !lt_1, b: !lt_2, assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }"#]]);
FormalityTest::new(feature_gate_program(
POLONIUS_ALPHA_GATE,
FLOW_SENSITIVE_INVARIANCE_USE_BOTH,
))
.skip_execute()
.err(expect_test::expect![[r#"
crates/formality-rust/src/prove/prove_via.rs:8:1: no applicable rules for prove_via { goal: !lt_1 : !lt_2, via: @ wf(?lt_0), assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove_outlives.rs:8:1: no applicable rules for prove_outlives { a: !lt_1, b: !lt_2, assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }"#]]);
FormalityTest::new(feature_gate_program(
POLONIUS_UNLOCKED_GATE,
FLOW_SENSITIVE_INVARIANCE_USE_BOTH,
))
.skip_execute()
.err(expect_test::expect![[r#"
crates/formality-rust/src/prove/prove_via.rs:8:1: no applicable rules for prove_via { goal: !lt_1 : !lt_2, via: @ wf(?lt_0), assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove_outlives.rs:8:1: no applicable rules for prove_outlives { a: !lt_1, b: !lt_2, assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }"#]]);
}Failed proof tree
check_all_crates failedmod.rs:41args
rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60args
rule "check crate"mod.rs:73check_crate_item failedmod.rs:178rule "free fn"mod.rs:206check_free_fn failedfns.rs:14args
rule "check free fn"fns.rs:24check_fn failedfns.rs:31args
rule "check fn"fns.rs:55check_fn_body failedfns.rs:62args
rule "expr fn body"fns.rs:90borrow_check failednll.rs:127args
rule "borrow_check"nll.rs:138borrow_check_block failednll.rs:145rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "exists"nll.rs:311borrow_check_block failednll.rs:145args
rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "expr"nll.rs:230borrow_check_expr failednll.rs:372args
rule "call"nll.rs:445verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "assumption - relation"prove_wc.rs:54prove_via failedprove_via.rs:8args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args
Source location: tests/borrowck.rs:4671
#[test]
fn flow_sensitive_invariance_use_both() {
FormalityTest::new(feature_gate_program(
NLL_GATE,
FLOW_SENSITIVE_INVARIANCE_USE_BOTH,
))
.skip_execute()
.err(expect_test::expect![[r#"
crates/formality-rust/src/prove/prove_via.rs:8:1: no applicable rules for prove_via { goal: !lt_1 : !lt_2, via: @ wf(?lt_0), assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove_outlives.rs:8:1: no applicable rules for prove_outlives { a: !lt_1, b: !lt_2, assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }"#]]);
FormalityTest::new(feature_gate_program(
POLONIUS_ALPHA_GATE,
FLOW_SENSITIVE_INVARIANCE_USE_BOTH,
))
.skip_execute()
.err(expect_test::expect![[r#"
crates/formality-rust/src/prove/prove_via.rs:8:1: no applicable rules for prove_via { goal: !lt_1 : !lt_2, via: @ wf(?lt_0), assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove_outlives.rs:8:1: no applicable rules for prove_outlives { a: !lt_1, b: !lt_2, assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }"#]]);
FormalityTest::new(feature_gate_program(
POLONIUS_UNLOCKED_GATE,
FLOW_SENSITIVE_INVARIANCE_USE_BOTH,
))
.skip_execute()
.err(expect_test::expect![[r#"
crates/formality-rust/src/prove/prove_via.rs:8:1: no applicable rules for prove_via { goal: !lt_1 : !lt_2, via: @ wf(?lt_0), assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove_outlives.rs:8:1: no applicable rules for prove_outlives { a: !lt_1, b: !lt_2, assumptions: {@ wf(?lt_0)}, env: Env { variables: [!lt_1, !lt_2, ?lt_0], bias: Soundness, pending: [], allow_pending_outlives: false } }"#]]);
}Failed proof tree
check_all_crates failedmod.rs:41args
rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60args
rule "check crate"mod.rs:73check_crate_item failedmod.rs:178rule "free fn"mod.rs:206check_free_fn failedfns.rs:14args
rule "check free fn"fns.rs:24check_fn failedfns.rs:31args
rule "check fn"fns.rs:55check_fn_body failedfns.rs:62args
rule "expr fn body"fns.rs:90borrow_check failednll.rs:127args
rule "borrow_check"nll.rs:138borrow_check_block failednll.rs:145rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "exists"nll.rs:300borrow_check_block failednll.rs:145args
rule "basic block"nll.rs:160borrow_check_statement failednll.rs:177args
rule "expr"nll.rs:230borrow_check_expr failednll.rs:372args
rule "call"nll.rs:445verify_universal_outlives failedoutlives.rs:8args
rule "verify_universal_outlives"outlives.rs:20only_assumed_outlives failedoutlives.rs:27args
rule "universal lifetime"outlives.rs:49can_outlive failedoutlives.rs:56args
rule "universal target"outlives.rs:81prove failedoutlives.rs:81args
ruleoutlives.rs:81prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "assumption - relation"prove_wc.rs:54prove_via failedprove_via.rs:8args
rule "outlives"prove_wc.rs:152prove_outlives failedprove_outlives.rs:8args