[INFO] fetching crate brono 0.0.0...
[INFO] checking brono-0.0.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate brono 0.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate brono 0.0.0
[INFO] finished tweaking crates.io crate brono 0.0.0
[INFO] tweaked toml for crates.io crate brono 0.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate brono 0.0.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate brono 0.0.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2319c42907a9c2c6558acea44f18cc578564fc0d4c2efae475f2a573bef5cefa
[INFO] running `Command { std: "docker" "start" "-a" "2319c42907a9c2c6558acea44f18cc578564fc0d4c2efae475f2a573bef5cefa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2319c42907a9c2c6558acea44f18cc578564fc0d4c2efae475f2a573bef5cefa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2319c42907a9c2c6558acea44f18cc578564fc0d4c2efae475f2a573bef5cefa", kill_on_drop: false }`
[INFO] [stdout] 2319c42907a9c2c6558acea44f18cc578564fc0d4c2efae475f2a573bef5cefa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 707847b1b47953f32a0b501893f88cd9dd1fabff4a86bc9a78204b21cde47506
[INFO] running `Command { std: "docker" "start" "-a" "707847b1b47953f32a0b501893f88cd9dd1fabff4a86bc9a78204b21cde47506", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking owo-colors v4.0.0
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling pest v2.7.6
[INFO] [stderr]    Compiling pest_meta v2.7.6
[INFO] [stderr]    Compiling pest_generator v2.7.6
[INFO] [stderr]    Compiling pest_derive v2.7.6
[INFO] [stderr]     Checking brono v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut bf: Vec<char> = Vec::new(); // Brainfuck code. :)
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut bf: Vec<char> = Vec::new(); // Brainfuck code. :)
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.04s
[INFO] running `Command { std: "docker" "inspect" "707847b1b47953f32a0b501893f88cd9dd1fabff4a86bc9a78204b21cde47506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707847b1b47953f32a0b501893f88cd9dd1fabff4a86bc9a78204b21cde47506", kill_on_drop: false }`
[INFO] [stdout] 707847b1b47953f32a0b501893f88cd9dd1fabff4a86bc9a78204b21cde47506