[INFO] cloning repository https://github.com/NicholasLYang/rust-ice-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NicholasLYang/rust-ice-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Frust-ice-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Frust-ice-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d91b159876b1332ba336af2d7ecdda4f57b403f8
[INFO] checking NicholasLYang/rust-ice-repro against master#57f772f25c5ce2bd870d6f8c3ab318eaee5a3326 for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Frust-ice-repro" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/NicholasLYang/rust-ice-repro
[INFO] finished tweaking git repo https://github.com/NicholasLYang/rust-ice-repro
[INFO] tweaked toml for git repo https://github.com/NicholasLYang/rust-ice-repro written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NicholasLYang/rust-ice-repro on toolchain 57f772f25c5ce2bd870d6f8c3ab318eaee5a3326
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NicholasLYang/rust-ice-repro 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" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.11
[INFO] [stderr]   Downloaded miette v5.10.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.56
[INFO] [stderr]   Downloaded miette-derive v5.10.0
[INFO] [stderr]   Downloaded thiserror v1.0.56
[INFO] [stderr]   Downloaded psm v0.1.21
[INFO] [stderr]   Downloaded stacker v0.1.15
[INFO] [stderr]   Downloaded chumsky v0.9.3
[INFO] [stderr]   Downloaded allocator-api2 v0.2.16
[INFO] [stderr]   Downloaded ahash v0.8.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8df7a7627dcc60d72e795dee8efc0393568c6b7663ed02ab45041cdc2fb93693
[INFO] running `Command { std: "docker" "start" "-a" "8df7a7627dcc60d72e795dee8efc0393568c6b7663ed02ab45041cdc2fb93693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8df7a7627dcc60d72e795dee8efc0393568c6b7663ed02ab45041cdc2fb93693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df7a7627dcc60d72e795dee8efc0393568c6b7663ed02ab45041cdc2fb93693", kill_on_drop: false }`
[INFO] [stdout] 8df7a7627dcc60d72e795dee8efc0393568c6b7663ed02ab45041cdc2fb93693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73d29df94937f1c044d21eac4f7c00e587bf3e4c92bc288bb664a1143d207161
[INFO] running `Command { std: "docker" "start" "-a" "73d29df94937f1c044d21eac4f7c00e587bf3e4c92bc288bb664a1143d207161", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]     Checking chumsky v0.9.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]     Checking ice-repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Function`
[INFO] [stdout]  --> src/lib.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 |     BinaryOp, Expr, ExprBlock, ExprFields, Function, ImportType, MatchBindings, MatchCase, PostFix,
[INFO] [stdout]   |                                            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Function`
[INFO] [stdout]  --> src/lib.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 |     BinaryOp, Expr, ExprBlock, ExprFields, Function, ImportType, MatchBindings, MatchCase, PostFix,
[INFO] [stdout]   |                                            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function_parameters`
[INFO] [stdout]    --> src/lib.rs:446:13
[INFO] [stdout]     |
[INFO] [stdout] 446 |         let function_parameters = ident
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function_parameters`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `optional_return_type`
[INFO] [stdout]    --> src/lib.rs:460:13
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let optional_return_type = return_type.or(empty().to(None));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_optional_return_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_parameters`
[INFO] [stdout]    --> src/lib.rs:579:13
[INFO] [stdout]     |
[INFO] [stdout] 579 |         let type_parameters = ident
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_parameters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function_parameters`
[INFO] [stdout]    --> src/lib.rs:446:13
[INFO] [stdout]     |
[INFO] [stdout] 446 |         let function_parameters = ident
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function_parameters`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `optional_return_type`
[INFO] [stdout]    --> src/lib.rs:460:13
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let optional_return_type = return_type.or(empty().to(None));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_optional_return_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_parameters`
[INFO] [stdout]    --> src/lib.rs:579:13
[INFO] [stdout]     |
[INFO] [stdout] 579 |         let type_parameters = ident
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_parameters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.44s
[INFO] running `Command { std: "docker" "inspect" "73d29df94937f1c044d21eac4f7c00e587bf3e4c92bc288bb664a1143d207161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73d29df94937f1c044d21eac4f7c00e587bf3e4c92bc288bb664a1143d207161", kill_on_drop: false }`
[INFO] [stdout] 73d29df94937f1c044d21eac4f7c00e587bf3e4c92bc288bb664a1143d207161
