[INFO] cloning repository https://github.com/kristof-mattei/leet-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kristof-mattei/leet-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristof-mattei%2Fleet-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristof-mattei%2Fleet-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b5721d73808d7950f62467990b00d31de18f840
[INFO] checking kristof-mattei/leet-code against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristof-mattei%2Fleet-code" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/kristof-mattei/leet-code
[INFO] finished tweaking git repo https://github.com/kristof-mattei/leet-code
[INFO] tweaked toml for git repo https://github.com/kristof-mattei/leet-code written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kristof-mattei/leet-code on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kristof-mattei/leet-code 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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 582d9abee220b2f21451331d1df2e23a335af2af3c6fce3313b83d66edfb4cbb
[INFO] running `Command { std: "docker" "start" "-a" "582d9abee220b2f21451331d1df2e23a335af2af3c6fce3313b83d66edfb4cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "582d9abee220b2f21451331d1df2e23a335af2af3c6fce3313b83d66edfb4cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "582d9abee220b2f21451331d1df2e23a335af2af3c6fce3313b83d66edfb4cbb", kill_on_drop: false }`
[INFO] [stdout] 582d9abee220b2f21451331d1df2e23a335af2af3c6fce3313b83d66edfb4cbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dff9b742cbc12cdfd2f122ddf5c015f6e47c454a9f4a865d427361f7fe8a849
[INFO] running `Command { std: "docker" "start" "-a" "1dff9b742cbc12cdfd2f122ddf5c015f6e47c454a9f4a865d427361f7fe8a849", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode v0.0.0-development (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/problem_0038.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |         .map(|&v| ((v as u8 + b'0') as char))
[INFO] [stdout]    |                   ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -         .map(|&v| ((v as u8 + b'0') as char))
[INFO] [stdout] 24 +         .map(|&v| (v as u8 + b'0') as char)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]  --> src/problem_0060.rs:7:55
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut start_permutation = (1..=n as u8).map(|v| (v + b'0')).collect::<Vec<_>>();
[INFO] [stdout]   |                                                       ^        ^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 7 -     let mut start_permutation = (1..=n as u8).map(|v| (v + b'0')).collect::<Vec<_>>();
[INFO] [stdout] 7 +     let mut start_permutation = (1..=n as u8).map(|v| v + b'0').collect::<Vec<_>>();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/problem_0038.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |         .map(|&v| ((v as u8 + b'0') as char))
[INFO] [stdout]    |                   ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -         .map(|&v| ((v as u8 + b'0') as char))
[INFO] [stdout] 24 +         .map(|&v| (v as u8 + b'0') as char)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]  --> src/problem_0060.rs:7:55
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut start_permutation = (1..=n as u8).map(|v| (v + b'0')).collect::<Vec<_>>();
[INFO] [stdout]   |                                                       ^        ^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 7 -     let mut start_permutation = (1..=n as u8).map(|v| (v + b'0')).collect::<Vec<_>>();
[INFO] [stdout] 7 +     let mut start_permutation = (1..=n as u8).map(|v| v + b'0').collect::<Vec<_>>();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.00s
[INFO] running `Command { std: "docker" "inspect" "1dff9b742cbc12cdfd2f122ddf5c015f6e47c454a9f4a865d427361f7fe8a849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dff9b742cbc12cdfd2f122ddf5c015f6e47c454a9f4a865d427361f7fe8a849", kill_on_drop: false }`
[INFO] [stdout] 1dff9b742cbc12cdfd2f122ddf5c015f6e47c454a9f4a865d427361f7fe8a849