[INFO] fetching crate mrn-generator 0.3.2...
[INFO] building mrn-generator-0.3.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate mrn-generator 0.3.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mrn-generator 0.3.2
[INFO] finished tweaking crates.io crate mrn-generator 0.3.2
[INFO] tweaked toml for crates.io crate mrn-generator 0.3.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mrn-generator 0.3.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mrn-generator 0.3.2 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v4.5.13
[INFO] [stderr]   Downloaded thiserror-impl v1.0.63
[INFO] [stderr]   Downloaded colorchoice v1.0.2
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.4
[INFO] [stderr]   Downloaded thiserror v1.0.63
[INFO] [stderr]   Downloaded autocfg v1.3.0
[INFO] [stderr]   Downloaded anyhow v1.0.86
[INFO] [stderr]   Downloaded clap v4.5.13
[INFO] [stderr]   Downloaded cc v1.1.7
[INFO] [stderr]   Downloaded bumpalo v3.16.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.86
[INFO] [stderr]   Downloaded anstyle-query v1.1.1
[INFO] [stderr]   Downloaded clap_builder v4.5.13
[INFO] [stderr]   Downloaded anstream v0.6.15
[INFO] [stderr]   Downloaded anstyle v1.0.8
[INFO] [stderr]   Downloaded anstyle-parse v0.2.5
[INFO] [stderr]   Downloaded quote v1.0.36
[INFO] [stderr]   Downloaded syn v2.0.72
[INFO] [stderr]   Downloaded libc v0.2.155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f429d048d2b18e0bed6d8079321e3194da962049081126a94891770ac63e415d
[INFO] running `Command { std: "docker" "start" "-a" "f429d048d2b18e0bed6d8079321e3194da962049081126a94891770ac63e415d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f429d048d2b18e0bed6d8079321e3194da962049081126a94891770ac63e415d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f429d048d2b18e0bed6d8079321e3194da962049081126a94891770ac63e415d", kill_on_drop: false }`
[INFO] [stdout] f429d048d2b18e0bed6d8079321e3194da962049081126a94891770ac63e415d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 623a43ad1cfcfac7993d4e390f27855f5b9f23d3338291afac28cd35dcddd92c
[INFO] running `Command { std: "docker" "start" "-a" "623a43ad1cfcfac7993d4e390f27855f5b9f23d3338291afac28cd35dcddd92c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling clap_builder v4.5.13
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling clap v4.5.13
[INFO] [stderr]    Compiling mrn-generator v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |         .map(|(c, m)| (check_character_value(c).map(|value| (value as u32) << m)))
[INFO] [stdout]    |                       ^                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 94 -         .map(|(c, m)| (check_character_value(c).map(|value| (value as u32) << m)))
[INFO] [stdout] 94 +         .map(|(c, m)| check_character_value(c).map(|value| (value as u32) << m))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.50s
[INFO] running `Command { std: "docker" "inspect" "623a43ad1cfcfac7993d4e390f27855f5b9f23d3338291afac28cd35dcddd92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623a43ad1cfcfac7993d4e390f27855f5b9f23d3338291afac28cd35dcddd92c", kill_on_drop: false }`
[INFO] [stdout] 623a43ad1cfcfac7993d4e390f27855f5b9f23d3338291afac28cd35dcddd92c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1e2133c7cdd5808a3bf4838dd01247956b7da6a4583ddd1adfc2816f890c095
[INFO] running `Command { std: "docker" "start" "-a" "b1e2133c7cdd5808a3bf4838dd01247956b7da6a4583ddd1adfc2816f890c095", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |         .map(|(c, m)| (check_character_value(c).map(|value| (value as u32) << m)))
[INFO] [stdout]    |                       ^                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 94 -         .map(|(c, m)| (check_character_value(c).map(|value| (value as u32) << m)))
[INFO] [stdout] 94 +         .map(|(c, m)| check_character_value(c).map(|value| (value as u32) << m))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mrn-generator v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |         .map(|(c, m)| (check_character_value(c).map(|value| (value as u32) << m)))
[INFO] [stdout]    |                       ^                                                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 94 -         .map(|(c, m)| (check_character_value(c).map(|value| (value as u32) << m)))
[INFO] [stdout] 94 +         .map(|(c, m)| check_character_value(c).map(|value| (value as u32) << m))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "b1e2133c7cdd5808a3bf4838dd01247956b7da6a4583ddd1adfc2816f890c095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1e2133c7cdd5808a3bf4838dd01247956b7da6a4583ddd1adfc2816f890c095", kill_on_drop: false }`
[INFO] [stdout] b1e2133c7cdd5808a3bf4838dd01247956b7da6a4583ddd1adfc2816f890c095