[INFO] cloning repository https://github.com/MoritzHamann/AdventOfCode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MoritzHamann/AdventOfCode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoritzHamann%2FAdventOfCode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoritzHamann%2FAdventOfCode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04368531818a90941dd8ef01b5a48a20b107d5fe
[INFO] checking MoritzHamann/AdventOfCode2020 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoritzHamann%2FAdventOfCode2020" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MoritzHamann/AdventOfCode2020 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MoritzHamann/AdventOfCode2020
[INFO] finished tweaking git repo https://github.com/MoritzHamann/AdventOfCode2020
[INFO] tweaked toml for git repo https://github.com/MoritzHamann/AdventOfCode2020 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/MoritzHamann/AdventOfCode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72cbfd92d7d5698d7a917b3c6704789b91c8ca4eb370c9642a0ba7ab310d8b4d
[INFO] running `Command { std: "docker" "start" "-a" "72cbfd92d7d5698d7a917b3c6704789b91c8ca4eb370c9642a0ba7ab310d8b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72cbfd92d7d5698d7a917b3c6704789b91c8ca4eb370c9642a0ba7ab310d8b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72cbfd92d7d5698d7a917b3c6704789b91c8ca4eb370c9642a0ba7ab310d8b4d", kill_on_drop: false }`
[INFO] [stdout] 72cbfd92d7d5698d7a917b3c6704789b91c8ca4eb370c9642a0ba7ab310d8b4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 802bc2d74eba31e5bc8bfaec6a96f01294fd319cb61cccb1a022e97c149782a5
[INFO] running `Command { std: "docker" "start" "-a" "802bc2d74eba31e5bc8bfaec6a96f01294fd319cb61cccb1a022e97c149782a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `collect_groups_as`
[INFO] [stdout]   --> src/input.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn collect_groups_as<T>(filename: &str) -> Vec<Vec<T>>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `North`
[INFO] [stdout]  --> src/day12.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Direction {North, East, South, West}
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `East`
[INFO] [stdout]  --> src/day12.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Direction {North, East, South, West}
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `South`
[INFO] [stdout]  --> src/day12.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Direction {North, East, South, West}
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `West`
[INFO] [stdout]  --> src/day12.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Direction {North, East, South, West}
[INFO] [stdout]   |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `collect_groups_as`
[INFO] [stdout]   --> src/input.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn collect_groups_as<T>(filename: &str) -> Vec<Vec<T>>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `North`
[INFO] [stdout]  --> src/day12.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Direction {North, East, South, West}
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `East`
[INFO] [stdout]  --> src/day12.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Direction {North, East, South, West}
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `South`
[INFO] [stdout]  --> src/day12.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Direction {North, East, South, West}
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `West`
[INFO] [stdout]  --> src/day12.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Direction {North, East, South, West}
[INFO] [stdout]   |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.78s
[INFO] running `Command { std: "docker" "inspect" "802bc2d74eba31e5bc8bfaec6a96f01294fd319cb61cccb1a022e97c149782a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802bc2d74eba31e5bc8bfaec6a96f01294fd319cb61cccb1a022e97c149782a5", kill_on_drop: false }`
[INFO] [stdout] 802bc2d74eba31e5bc8bfaec6a96f01294fd319cb61cccb1a022e97c149782a5