[INFO] cloning repository https://github.com/matteomeli/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matteomeli/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteomeli%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteomeli%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c53d1bdb5ec3b77e4e27ef21b02372a2fef5dd1
[INFO] checking matteomeli/aoc2020 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatteomeli%2Faoc2020" "/workspace/builds/worker-118/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-118/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matteomeli/aoc2020 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matteomeli/aoc2020
[INFO] finished tweaking git repo https://github.com/matteomeli/aoc2020
[INFO] tweaked toml for git repo https://github.com/matteomeli/aoc2020 written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] crate git repo https://github.com/matteomeli/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e9b34726924db39eeb5790ee83f45bc3c801a0bbe0e9e0a9712ce7704ea32fe
[INFO] running `Command { std: "docker" "start" "-a" "0e9b34726924db39eeb5790ee83f45bc3c801a0bbe0e9e0a9712ce7704ea32fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e9b34726924db39eeb5790ee83f45bc3c801a0bbe0e9e0a9712ce7704ea32fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e9b34726924db39eeb5790ee83f45bc3c801a0bbe0e9e0a9712ce7704ea32fe", kill_on_drop: false }`
[INFO] [stdout] 0e9b34726924db39eeb5790ee83f45bc3c801a0bbe0e9e0a9712ce7704ea32fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba0b71ac81b59fc548c4a1278703bbda7791903af5f481a390dff2791880041f
[INFO] running `Command { std: "docker" "start" "-a" "ba0b71ac81b59fc548c4a1278703bbda7791903af5f481a390dff2791880041f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Count`
[INFO] [stdout]  --> examples/day2.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Count,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.22s
[INFO] running `Command { std: "docker" "inspect" "ba0b71ac81b59fc548c4a1278703bbda7791903af5f481a390dff2791880041f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0b71ac81b59fc548c4a1278703bbda7791903af5f481a390dff2791880041f", kill_on_drop: false }`
[INFO] [stdout] ba0b71ac81b59fc548c4a1278703bbda7791903af5f481a390dff2791880041f