[INFO] cloning repository https://github.com/majutsushi/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/majutsushi/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmajutsushi%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmajutsushi%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18873824debf4b288bb9a002d60118f5ff6ba4ff
[INFO] building majutsushi/aoc-2020 against master#a29f341a8ac4e9325a5e37027b4215f50a76d06f for pr-101929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmajutsushi%2Faoc-2020" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/majutsushi/aoc-2020 on toolchain a29f341a8ac4e9325a5e37027b4215f50a76d06f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/majutsushi/aoc-2020
[INFO] finished tweaking git repo https://github.com/majutsushi/aoc-2020
[INFO] tweaked toml for git repo https://github.com/majutsushi/aoc-2020 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/majutsushi/aoc-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitvec v0.19.5
[INFO] [stderr]   Downloaded quick-error v2.0.0
[INFO] [stderr]   Downloaded rand_xorshift v0.3.0
[INFO] [stderr]   Downloaded proptest v1.0.0
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 644e7fb4c5728453235413920e8cb42f517f2083cf4b980e10b80988b8b0aa11
[INFO] running `Command { std: "docker" "start" "-a" "644e7fb4c5728453235413920e8cb42f517f2083cf4b980e10b80988b8b0aa11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "644e7fb4c5728453235413920e8cb42f517f2083cf4b980e10b80988b8b0aa11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "644e7fb4c5728453235413920e8cb42f517f2083cf4b980e10b80988b8b0aa11", kill_on_drop: false }`
[INFO] [stdout] 644e7fb4c5728453235413920e8cb42f517f2083cf4b980e10b80988b8b0aa11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e6ed7b500e054d748cb76144a6892ab3e87e28442172ff66d37aef6f2270947
[INFO] running `Command { std: "docker" "start" "-a" "7e6ed7b500e054d748cb76144a6892ab3e87e28442172ff66d37aef6f2270947", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling aoc-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `row` and `column` are never read
[INFO] [stdout]   --> src/bin/aoc-2020-05.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct Seat {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 9  |     row: u8,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     column: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `Seat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.10s
[INFO] running `Command { std: "docker" "inspect" "7e6ed7b500e054d748cb76144a6892ab3e87e28442172ff66d37aef6f2270947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6ed7b500e054d748cb76144a6892ab3e87e28442172ff66d37aef6f2270947", kill_on_drop: false }`
[INFO] [stdout] 7e6ed7b500e054d748cb76144a6892ab3e87e28442172ff66d37aef6f2270947
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+a29f341a8ac4e9325a5e37027b4215f50a76d06f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 657e8b806512fcb8e0bac56365eceb017c116efe732112e4108e9836a51a3caa
[INFO] running `Command { std: "docker" "start" "-a" "657e8b806512fcb8e0bac56365eceb017c116efe732112e4108e9836a51a3caa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "657e8b806512fcb8e0bac56365eceb017c116efe732112e4108e9836a51a3caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "657e8b806512fcb8e0bac56365eceb017c116efe732112e4108e9836a51a3caa", kill_on_drop: false }`
[INFO] [stdout] 657e8b806512fcb8e0bac56365eceb017c116efe732112e4108e9836a51a3caa