[INFO] fetching crate chalk-solve 0.104.0...
[INFO] checking chalk-solve-0.104.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate chalk-solve 0.104.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate chalk-solve 0.104.0
[INFO] finished tweaking crates.io crate chalk-solve 0.104.0
[INFO] tweaked toml for crates.io crate chalk-solve 0.104.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate chalk-solve 0.104.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate chalk-solve 0.104.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6302512f27945914a27ab4e983250e45c6f08e15795e39f93ca63e5eae3288a
[INFO] running `Command { std: "docker" "start" "-a" "d6302512f27945914a27ab4e983250e45c6f08e15795e39f93ca63e5eae3288a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6302512f27945914a27ab4e983250e45c6f08e15795e39f93ca63e5eae3288a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6302512f27945914a27ab4e983250e45c6f08e15795e39f93ca63e5eae3288a", kill_on_drop: false }`
[INFO] [stdout] d6302512f27945914a27ab4e983250e45c6f08e15795e39f93ca63e5eae3288a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b520eee699e0ade4175727cca5b45719c3b12a886a4df2e5a7a575f49096b16
[INFO] running `Command { std: "docker" "start" "-a" "1b520eee699e0ade4175727cca5b45719c3b12a886a4df2e5a7a575f49096b16", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking nu-ansi-term v0.49.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking ena v0.14.2
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling synstructure v0.13.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling chalk-derive v0.104.0
[INFO] [stderr]     Checking chalk-ir v0.104.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking tracing-tree v0.3.0
[INFO] [stderr]     Checking chalk-solve v0.104.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `chalk_integration`
[INFO] [stdout]  --> src/infer/test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use chalk_integration::interner::ChalkIr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `chalk_integration`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `chalk_integration`, use `cargo add chalk_integration` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `chalk_integration`
[INFO] [stdout]  --> src/infer/test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use chalk_integration::{arg, lifetime, ty};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `chalk_integration`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `chalk_integration`, use `cargo add chalk_integration` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `chalk_integration`
[INFO] [stdout]   --> src/solve/truncate.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         use chalk_integration::interner::ChalkIr;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `chalk_integration`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `chalk_integration`, use `cargo add chalk_integration` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `chalk_integration`
[INFO] [stdout]    --> src/solve/truncate.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         use chalk_integration::interner::ChalkIr;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `chalk_integration`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `chalk_integration`, use `cargo add chalk_integration` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `chalk_integration`
[INFO] [stdout]   --> src/solve/truncate.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     use chalk_integration::{arg, ty};
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `chalk_integration`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `chalk_integration`, use `cargo add chalk_integration` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `chalk_integration`
[INFO] [stdout]   --> src/solve/truncate.rs:96:42
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut table = InferenceTable::<chalk_integration::interner::ChalkIr>::new();
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `chalk_integration`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `chalk_integration`, use `cargo add chalk_integration` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `chalk_integration`
[INFO] [stdout]    --> src/solve/truncate.rs:115:42
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let mut table = InferenceTable::<chalk_integration::interner::ChalkIr>::new();
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `chalk_integration`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `chalk_integration`, use `cargo add chalk_integration` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/clauses/builtin_traits/unsize.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     v.visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let _ = v.visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/clauses/env_elaborator.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     in_clauses.visit_with(&mut elaborater, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let _ = in_clauses.visit_with(&mut elaborater, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/infer/ucanonicalize.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         value0.value.visit_with(
[INFO] [stdout] 27 | |             &mut UCollector {
[INFO] [stdout] 28 | |                 universes: &mut universes,
[INFO] [stdout] 29 | |                 interner,
[INFO] [stdout] 30 | |             },
[INFO] [stdout] 31 | |             DebruijnIndex::INNERMOST,
[INFO] [stdout] 32 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let _ = value0.value.visit_with(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/logging_db/id_collector.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 | /                 collector
[INFO] [stdout] 48 | |                     .db
[INFO] [stdout] 49 | |                     .adt_datum(adt_id)
[INFO] [stdout] 50 | |                     .visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    | |_________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 let _ = collector
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/logging_db/id_collector.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | /                 collector
[INFO] [stdout] 54 | |                     .db
[INFO] [stdout] 55 | |                     .fn_def_datum(fn_def)
[INFO] [stdout] 56 | |                     .visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    | |_________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let _ = collector
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/logging_db/id_collector.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 trait_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 let _ = trait_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/logging_db/id_collector.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 | /                     assoc_ty_datum
[INFO] [stdout] 66 | |                         .bounds_on_self(collector.db.interner())
[INFO] [stdout] 67 | |                         .visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    | |_____________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = assoc_ty_datum
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/logging_db/id_collector.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     assoc_ty_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     let _ = assoc_ty_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/logging_db/id_collector.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 | /                 collector
[INFO] [stdout] 73 | |                     .db
[INFO] [stdout] 74 | |                     .opaque_ty_data(opaque_id)
[INFO] [stdout] 75 | |                     .visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    | |_________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let _ = collector
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/logging_db/id_collector.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 | /                 collector
[INFO] [stdout] 77 | |                     .db
[INFO] [stdout] 78 | |                     .hidden_opaque_type(opaque_id)
[INFO] [stdout] 79 | |                     .visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    | |_________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 let _ = collector
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/logging_db/id_collector.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     assoc_ty_value.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     let _ = assoc_ty_value.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/logging_db/id_collector.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 impl_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 let _ = impl_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chalk-solve` (lib test) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/solve/truncate.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     value.visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let _ = value.visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/solve/truncate.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             normalized_ty.visit_with(self, outer_binder);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let _ = normalized_ty.visit_with(self, outer_binder);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/solve/truncate.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         ty.super_visit_with(self, outer_binder);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let _ = ty.super_visit_with(self, outer_binder);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/wf.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         value.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let _ = value.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> src/wf.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 id.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 let _ = id.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> src/wf.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 assoc_ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 let _ = assoc_ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> src/wf.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 arity.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 let _ = arity.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> src/wf.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 opaque_ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 let _ = opaque_ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> src/wf.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 fn_def.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 let _ = fn_def.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> src/wf.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 mutability.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 let _ = mutability.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> src/wf.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 lifetime.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 let _ = lifetime.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> src/wf.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 mutability.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 let _ = mutability.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> src/wf.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 let _ = ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b520eee699e0ade4175727cca5b45719c3b12a886a4df2e5a7a575f49096b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b520eee699e0ade4175727cca5b45719c3b12a886a4df2e5a7a575f49096b16", kill_on_drop: false }`
[INFO] [stdout] 1b520eee699e0ade4175727cca5b45719c3b12a886a4df2e5a7a575f49096b16
