[INFO] cloning repository https://github.com/ak1r4/aoc2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ak1r4/aoc2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fak1r4%2Faoc2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fak1r4%2Faoc2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe76c963812cb277cc4afcc0993f1a9decc66c1c
[INFO] testing ak1r4/aoc2018 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fak1r4%2Faoc2018" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ak1r4/aoc2018 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ak1r4/aoc2018
[INFO] finished tweaking git repo https://github.com/ak1r4/aoc2018
[INFO] tweaked toml for git repo https://github.com/ak1r4/aoc2018 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/ak1r4/aoc2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 258e7ce2b102a7c46167295e077f74dbc91ca72b7bbe69848e4735c78f7a87da
[INFO] running `Command { std: "docker" "start" "-a" "258e7ce2b102a7c46167295e077f74dbc91ca72b7bbe69848e4735c78f7a87da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "258e7ce2b102a7c46167295e077f74dbc91ca72b7bbe69848e4735c78f7a87da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258e7ce2b102a7c46167295e077f74dbc91ca72b7bbe69848e4735c78f7a87da", kill_on_drop: false }`
[INFO] [stdout] 258e7ce2b102a7c46167295e077f74dbc91ca72b7bbe69848e4735c78f7a87da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42839a0010671ef1974f2d3686e8cfacf20af271161cdad3d7ba6f4c6c713862
[INFO] running `Command { std: "docker" "start" "-a" "42839a0010671ef1974f2d3686e8cfacf20af271161cdad3d7ba6f4c6c713862", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling aoc_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `time`
[INFO] [stdout]   --> src/day_4.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     time: NaiveDateTime,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `guard_id`
[INFO] [stdout]   --> src/day_4.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     guard_id: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `action`
[INFO] [stdout]   --> src/day_4.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     action: Action,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.67s
[INFO] running `Command { std: "docker" "inspect" "42839a0010671ef1974f2d3686e8cfacf20af271161cdad3d7ba6f4c6c713862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42839a0010671ef1974f2d3686e8cfacf20af271161cdad3d7ba6f4c6c713862", kill_on_drop: false }`
[INFO] [stdout] 42839a0010671ef1974f2d3686e8cfacf20af271161cdad3d7ba6f4c6c713862
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e0092b4275008eb6d9a3b5511aee74b5e483767bb111109c1e3035427e26958
[INFO] running `Command { std: "docker" "start" "-a" "0e0092b4275008eb6d9a3b5511aee74b5e483767bb111109c1e3035427e26958", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `time`
[INFO] [stdout]   --> src/day_4.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     time: NaiveDateTime,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `guard_id`
[INFO] [stdout]   --> src/day_4.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     guard_id: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `action`
[INFO] [stdout]   --> src/day_4.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     action: Action,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "0e0092b4275008eb6d9a3b5511aee74b5e483767bb111109c1e3035427e26958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0092b4275008eb6d9a3b5511aee74b5e483767bb111109c1e3035427e26958", kill_on_drop: false }`
[INFO] [stdout] 0e0092b4275008eb6d9a3b5511aee74b5e483767bb111109c1e3035427e26958
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4ae66868b0454ddb1565c832e46f961eead0362b7cd4b97e91b0e811110cfa6
[INFO] running `Command { std: "docker" "start" "-a" "b4ae66868b0454ddb1565c832e46f961eead0362b7cd4b97e91b0e811110cfa6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `time`
[INFO] [stderr]   --> src/day_4.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     time: NaiveDateTime,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `guard_id`
[INFO] [stderr]   --> src/day_4.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     guard_id: i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `action`
[INFO] [stderr]   --> src/day_4.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     action: Action,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc_2018` (bin "aoc_2018" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.97s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aoc_2018-2d1d88b246ed124e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4ae66868b0454ddb1565c832e46f961eead0362b7cd4b97e91b0e811110cfa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ae66868b0454ddb1565c832e46f961eead0362b7cd4b97e91b0e811110cfa6", kill_on_drop: false }`
[INFO] [stdout] b4ae66868b0454ddb1565c832e46f961eead0362b7cd4b97e91b0e811110cfa6