[INFO] cloning repository https://github.com/feadoor/rustdoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/feadoor/rustdoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeadoor%2Frustdoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeadoor%2Frustdoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a39ac2167671edd08d6a2990d30c7ac7d1c62a8b
[INFO] checking feadoor/rustdoku against master#09a371361240e42b0d69438fd1179efcf212e576 for pr-157814-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeadoor%2Frustdoku" "/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/feadoor/rustdoku
[INFO] finished tweaking git repo https://github.com/feadoor/rustdoku
[INFO] tweaked toml for git repo https://github.com/feadoor/rustdoku written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/feadoor/rustdoku on toolchain 09a371361240e42b0d69438fd1179efcf212e576
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/feadoor/rustdoku 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" "+09a371361240e42b0d69438fd1179efcf212e576" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rustdoku` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded either v1.0.2
[INFO] [stderr]   Downloaded ansi_term v0.9.0
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded itertools v0.5.7
[INFO] [stderr]   Downloaded rand v0.5.3
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7cf07dcec6eec8f91d8fcff9552b5c74122c05467aaf1800be6da9d6f61e2ab2" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a40037270562ab88b9c5529e4df4170faf9ab9216ca086c482935a16cc6a2369
[INFO] running `Command { std: "docker" "start" "a40037270562ab88b9c5529e4df4170faf9ab9216ca086c482935a16cc6a2369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a40037270562ab88b9c5529e4df4170faf9ab9216ca086c482935a16cc6a2369" "/opt/rustwide/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a40037270562ab88b9c5529e4df4170faf9ab9216ca086c482935a16cc6a2369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a40037270562ab88b9c5529e4df4170faf9ab9216ca086c482935a16cc6a2369" "/opt/rustwide/cargo-home/bin/cargo" "+09a371361240e42b0d69438fd1179efcf212e576" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rustdoku` (manifest) generated 1 warning
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking either v1.0.2
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking itertools v0.5.7
[INFO] [stderr]     Checking rand v0.5.3
[INFO] [stderr]     Checking rustdoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/strategies/xyz_wing.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 |         .filter(|&ix| (grid.candidates(ix) != grid.candidates(pincer)))
[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] 71 -         .filter(|&ix| (grid.candidates(ix) != grid.candidates(pincer)))
[INFO] [stdout] 71 +         .filter(|&ix| grid.candidates(ix) != grid.candidates(pincer))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/strategies/xyz_wing.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 |         .filter(|&ix| (grid.candidates(ix) != grid.candidates(pincer)))
[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] 71 -         .filter(|&ix| (grid.candidates(ix) != grid.candidates(pincer)))
[INFO] [stdout] 71 +         .filter(|&ix| grid.candidates(ix) != grid.candidates(pincer))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.28s
[INFO] running `Command { std: "docker" "inspect" "a40037270562ab88b9c5529e4df4170faf9ab9216ca086c482935a16cc6a2369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a40037270562ab88b9c5529e4df4170faf9ab9216ca086c482935a16cc6a2369", kill_on_drop: false }`
[INFO] [stdout] a40037270562ab88b9c5529e4df4170faf9ab9216ca086c482935a16cc6a2369