[INFO] cloning repository https://github.com/fvanderveen/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/fvanderveen/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffvanderveen%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffvanderveen%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e10ea07575f62f3a185c37264567a03c0467ad8
[INFO] checking fvanderveen/advent-of-code-2020 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffvanderveen%2Fadvent-of-code-2020" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fvanderveen/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/fvanderveen/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/fvanderveen/advent-of-code-2020 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fvanderveen/advent-of-code-2020 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fvanderveen/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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 577017e75586dd771c01dacd3fdb4504aea46b28a50a9184cea32259c0ca9fda
[INFO] running `Command { std: "docker" "start" "-a" "577017e75586dd771c01dacd3fdb4504aea46b28a50a9184cea32259c0ca9fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "577017e75586dd771c01dacd3fdb4504aea46b28a50a9184cea32259c0ca9fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577017e75586dd771c01dacd3fdb4504aea46b28a50a9184cea32259c0ca9fda", kill_on_drop: false }`
[INFO] [stdout] 577017e75586dd771c01dacd3fdb4504aea46b28a50a9184cea32259c0ca9fda
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef2d7ca25677ef58657a047297d9f1cf7487ed5ddba1729162f3d4e0f42525d0
[INFO] running `Command { std: "docker" "start" "-a" "ef2d7ca25677ef58657a047297d9f1cf7487ed5ddba1729162f3d4e0f42525d0", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[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/days/day02.rs:42:32
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 .map_err(|ipe| (ipe.to_string()))?;
[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] 42 -                 .map_err(|ipe| (ipe.to_string()))?;
[INFO] [stdout] 42 +                 .map_err(|ipe| ipe.to_string() )?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/days/day02.rs:42:32
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 .map_err(|ipe| (ipe.to_string()))?;
[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] 42 -                 .map_err(|ipe| (ipe.to_string()))?;
[INFO] [stdout] 42 +                 .map_err(|ipe| ipe.to_string() )?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `Command { std: "docker" "inspect" "ef2d7ca25677ef58657a047297d9f1cf7487ed5ddba1729162f3d4e0f42525d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2d7ca25677ef58657a047297d9f1cf7487ed5ddba1729162f3d4e0f42525d0", kill_on_drop: false }`
[INFO] [stdout] ef2d7ca25677ef58657a047297d9f1cf7487ed5ddba1729162f3d4e0f42525d0