[INFO] cloning repository https://github.com/nextl00p/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nextl00p/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnextl00p%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnextl00p%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc4e7bf89fbf7c63bfd67c57afe60f7ccd6b41ee
[INFO] checking nextl00p/advent-of-code-2020 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnextl00p%2Fadvent-of-code-2020" "/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/nextl00p/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/nextl00p/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/nextl00p/advent-of-code-2020 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nextl00p/advent-of-code-2020 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nextl00p/advent-of-code-2020 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b84ee386d20a875284a74eace5a2ef26bbfd31a845573b6e69b2a7d79df41653
[INFO] running `Command { std: "docker" "start" "-a" "b84ee386d20a875284a74eace5a2ef26bbfd31a845573b6e69b2a7d79df41653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b84ee386d20a875284a74eace5a2ef26bbfd31a845573b6e69b2a7d79df41653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b84ee386d20a875284a74eace5a2ef26bbfd31a845573b6e69b2a7d79df41653", kill_on_drop: false }`
[INFO] [stdout] b84ee386d20a875284a74eace5a2ef26bbfd31a845573b6e69b2a7d79df41653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd058176a21a64d700f907d4b309458a7032ce593caca2cfef6b4abb6dc41781
[INFO] running `Command { std: "docker" "start" "-a" "cd058176a21a64d700f907d4b309458a7032ce593caca2cfef6b4abb6dc41781", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/bin/day04.rs:54:53
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let fields_id = line.split_whitespace().map(|s| (&s[..3])).collect::<Vec<_>>();
[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] 54 -     let fields_id = line.split_whitespace().map(|s| (&s[..3])).collect::<Vec<_>>();
[INFO] [stdout] 54 +     let fields_id = line.split_whitespace().map(|s| &s[..3] ).collect::<Vec<_>>();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/bin/day04.rs:54:53
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let fields_id = line.split_whitespace().map(|s| (&s[..3])).collect::<Vec<_>>();
[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] 54 -     let fields_id = line.split_whitespace().map(|s| (&s[..3])).collect::<Vec<_>>();
[INFO] [stdout] 54 +     let fields_id = line.split_whitespace().map(|s| &s[..3] ).collect::<Vec<_>>();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `Command { std: "docker" "inspect" "cd058176a21a64d700f907d4b309458a7032ce593caca2cfef6b4abb6dc41781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd058176a21a64d700f907d4b309458a7032ce593caca2cfef6b4abb6dc41781", kill_on_drop: false }`
[INFO] [stdout] cd058176a21a64d700f907d4b309458a7032ce593caca2cfef6b4abb6dc41781