[INFO] fetching crate mrn-generator 0.3.2...
[INFO] building mrn-generator-0.3.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate mrn-generator 0.3.2 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mrn-generator 0.3.2 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1bfda84586892386d8021e41c9dad1b426f3017fba1818a4635eaac28e8d2cf
[INFO] running `Command { std: "docker" "start" "-a" "a1bfda84586892386d8021e41c9dad1b426f3017fba1818a4635eaac28e8d2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1bfda84586892386d8021e41c9dad1b426f3017fba1818a4635eaac28e8d2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1bfda84586892386d8021e41c9dad1b426f3017fba1818a4635eaac28e8d2cf", kill_on_drop: false }`
[INFO] [stdout] a1bfda84586892386d8021e41c9dad1b426f3017fba1818a4635eaac28e8d2cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f08b2bf14221c3b55657bd7b05e36494f774353f1046cf730e834be82cb41aea
[INFO] running `Command { std: "docker" "start" "-a" "f08b2bf14221c3b55657bd7b05e36494f774353f1046cf730e834be82cb41aea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling clap_builder v4.5.13
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling chrono v0.4.38
[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 thiserror v1.0.63
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling clap v4.5.13
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[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 14.33s
[INFO] running `Command { std: "docker" "inspect" "f08b2bf14221c3b55657bd7b05e36494f774353f1046cf730e834be82cb41aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f08b2bf14221c3b55657bd7b05e36494f774353f1046cf730e834be82cb41aea", kill_on_drop: false }`
[INFO] [stdout] f08b2bf14221c3b55657bd7b05e36494f774353f1046cf730e834be82cb41aea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 050da8f8c18ef144cd0f0328ce1e0d818bb6ae0d124f9c6497d7310a30c95276
[INFO] running `Command { std: "docker" "start" "-a" "050da8f8c18ef144cd0f0328ce1e0d818bb6ae0d124f9c6497d7310a30c95276", 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 0.93s
[INFO] running `Command { std: "docker" "inspect" "050da8f8c18ef144cd0f0328ce1e0d818bb6ae0d124f9c6497d7310a30c95276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050da8f8c18ef144cd0f0328ce1e0d818bb6ae0d124f9c6497d7310a30c95276", kill_on_drop: false }`
[INFO] [stdout] 050da8f8c18ef144cd0f0328ce1e0d818bb6ae0d124f9c6497d7310a30c95276