[INFO] cloning repository https://github.com/TheNumerus/advent-of-code-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheNumerus/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNumerus%2Fadvent-of-code-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNumerus%2Fadvent-of-code-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e16c1d720cb65ade058a5eafd6a3ea5cca7b51d9
[INFO] testing TheNumerus/advent-of-code-2018 against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNumerus%2Fadvent-of-code-2018" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheNumerus/advent-of-code-2018 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheNumerus/advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/TheNumerus/advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/TheNumerus/advent-of-code-2018 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/TheNumerus/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16aadb0526ea41fbbf3087f1b510c3ce5aa35f0653111b6c3bdff7a49b91b940
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "16aadb0526ea41fbbf3087f1b510c3ce5aa35f0653111b6c3bdff7a49b91b940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16aadb0526ea41fbbf3087f1b510c3ce5aa35f0653111b6c3bdff7a49b91b940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16aadb0526ea41fbbf3087f1b510c3ce5aa35f0653111b6c3bdff7a49b91b940", kill_on_drop: false }`
[INFO] [stdout] 16aadb0526ea41fbbf3087f1b510c3ce5aa35f0653111b6c3bdff7a49b91b940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4561d7efa9e5ef6c4f3ae3786c1275e0a190f4111eff76540bb777967ca01fa3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4561d7efa9e5ef6c4f3ae3786c1275e0a190f4111eff76540bb777967ca01fa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling aoc_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day_13.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut inner = Vec::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]  --> src/days/day_13.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Left,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Up`
[INFO] [stdout]  --> src/days/day_13.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Up,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]  --> src/days/day_13.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Right,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Down`
[INFO] [stdout]   --> src/days/day_13.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Down,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Track`
[INFO] [stdout]   --> src/days/day_13.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Track,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Intersection`
[INFO] [stdout]   --> src/days/day_13.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Intersection,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cart`
[INFO] [stdout]   --> src/days/day_13.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Cart(Direction),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nothing`
[INFO] [stdout]   --> src/days/day_13.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Nothing,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.83s
[INFO] running `Command { std: "docker" "inspect" "4561d7efa9e5ef6c4f3ae3786c1275e0a190f4111eff76540bb777967ca01fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4561d7efa9e5ef6c4f3ae3786c1275e0a190f4111eff76540bb777967ca01fa3", kill_on_drop: false }`
[INFO] [stdout] 4561d7efa9e5ef6c4f3ae3786c1275e0a190f4111eff76540bb777967ca01fa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c822795f34418e11d5f7b35a211856ba00182cea0881bb3cf41380b0e566355
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5c822795f34418e11d5f7b35a211856ba00182cea0881bb3cf41380b0e566355", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day_13.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut inner = Vec::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]  --> src/days/day_13.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Left,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Up`
[INFO] [stdout]  --> src/days/day_13.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Up,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]  --> src/days/day_13.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Right,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Down`
[INFO] [stdout]   --> src/days/day_13.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Down,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Track`
[INFO] [stdout]   --> src/days/day_13.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Track,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Intersection`
[INFO] [stdout]   --> src/days/day_13.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Intersection,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cart`
[INFO] [stdout]   --> src/days/day_13.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Cart(Direction),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nothing`
[INFO] [stdout]   --> src/days/day_13.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Nothing,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "5c822795f34418e11d5f7b35a211856ba00182cea0881bb3cf41380b0e566355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c822795f34418e11d5f7b35a211856ba00182cea0881bb3cf41380b0e566355", kill_on_drop: false }`
[INFO] [stdout] 5c822795f34418e11d5f7b35a211856ba00182cea0881bb3cf41380b0e566355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b550ee6b4aaebad7aecb13ebdee7970c6c52e0e96af83b514e56a14d2869191d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b550ee6b4aaebad7aecb13ebdee7970c6c52e0e96af83b514e56a14d2869191d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/days/day_13.rs:31:13
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 31 |         let mut inner = Vec::new();
[INFO] [stdout] 
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]  --> src/days/day_13.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Left,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Up`
[INFO] [stderr]  --> src/days/day_13.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Up,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]  --> src/days/day_13.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Right,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Down`
[INFO] [stderr]   --> src/days/day_13.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Down,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Track`
[INFO] [stderr]   --> src/days/day_13.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Track,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Intersection`
[INFO] [stderr]   --> src/days/day_13.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Intersection,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cart`
[INFO] [stderr]   --> src/days/day_13.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Cart(Direction),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nothing`
[INFO] [stderr]   --> src/days/day_13.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Nothing,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/aoc_2018-431af5a94eda1908
[INFO] running `Command { std: "docker" "inspect" "b550ee6b4aaebad7aecb13ebdee7970c6c52e0e96af83b514e56a14d2869191d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b550ee6b4aaebad7aecb13ebdee7970c6c52e0e96af83b514e56a14d2869191d", kill_on_drop: false }`
[INFO] [stdout] b550ee6b4aaebad7aecb13ebdee7970c6c52e0e96af83b514e56a14d2869191d
