[INFO] cloning repository https://github.com/oblique/aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oblique/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foblique%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foblique%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a02acab8e10208b8183047640714a88304fcf807
[INFO] checking oblique/aoc-2020 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foblique%2Faoc-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] validating manifest of git repo https://github.com/oblique/aoc-2020 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oblique/aoc-2020
[INFO] finished tweaking git repo https://github.com/oblique/aoc-2020
[INFO] tweaked toml for git repo https://github.com/oblique/aoc-2020 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/oblique/aoc-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.34
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.21
[INFO] [stderr]   Downloaded regex v1.4.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7193b61fb7e6126ff10d88424cc9c589b12077f5db9c539c5a72bc944c64b516
[INFO] running `Command { std: "docker" "start" "-a" "7193b61fb7e6126ff10d88424cc9c589b12077f5db9c539c5a72bc944c64b516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7193b61fb7e6126ff10d88424cc9c589b12077f5db9c539c5a72bc944c64b516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7193b61fb7e6126ff10d88424cc9c589b12077f5db9c539c5a72bc944c64b516", kill_on_drop: false }`
[INFO] [stdout] 7193b61fb7e6126ff10d88424cc9c589b12077f5db9c539c5a72bc944c64b516
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7d299148237e97fd0c1ac6d5eda9b4bbd58aa328100a865face47bd1e4e2d42
[INFO] running `Command { std: "docker" "start" "-a" "d7d299148237e97fd0c1ac6d5eda9b4bbd58aa328100a865face47bd1e4e2d42", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking aoc-2020 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/bin/day04.rs:178:35
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 Height::Cm(cm) => (cm >= 150 && cm <= 193),
[INFO] [stdout]     |                                   ^                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -                 Height::Cm(cm) => (cm >= 150 && cm <= 193),
[INFO] [stdout] 178 +                 Height::Cm(cm) => cm >= 150 && cm <= 193,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/bin/day04.rs:179:37
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 Height::In(inch) => (inch >= 59 && inch <= 76),
[INFO] [stdout]     |                                     ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 179 -                 Height::In(inch) => (inch >= 59 && inch <= 76),
[INFO] [stdout] 179 +                 Height::In(inch) => inch >= 59 && inch <= 76,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/bin/day04.rs:178:35
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 Height::Cm(cm) => (cm >= 150 && cm <= 193),
[INFO] [stdout]     |                                   ^                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -                 Height::Cm(cm) => (cm >= 150 && cm <= 193),
[INFO] [stdout] 178 +                 Height::Cm(cm) => cm >= 150 && cm <= 193,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/bin/day04.rs:179:37
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 Height::In(inch) => (inch >= 59 && inch <= 76),
[INFO] [stdout]     |                                     ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 179 -                 Height::In(inch) => (inch >= 59 && inch <= 76),
[INFO] [stdout] 179 +                 Height::In(inch) => inch >= 59 && inch <= 76,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "d7d299148237e97fd0c1ac6d5eda9b4bbd58aa328100a865face47bd1e4e2d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d299148237e97fd0c1ac6d5eda9b4bbd58aa328100a865face47bd1e4e2d42", kill_on_drop: false }`
[INFO] [stdout] d7d299148237e97fd0c1ac6d5eda9b4bbd58aa328100a865face47bd1e4e2d42