[INFO] cloning repository https://github.com/BrianLee608/adventofcode2017rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrianLee608/adventofcode2017rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianLee608%2Fadventofcode2017rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianLee608%2Fadventofcode2017rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a47b55f3ce8b0112177be640939ce88187b9dbd5
[INFO] testing BrianLee608/adventofcode2017rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianLee608%2Fadventofcode2017rust" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BrianLee608/adventofcode2017rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BrianLee608/adventofcode2017rust
[INFO] finished tweaking git repo https://github.com/BrianLee608/adventofcode2017rust
[INFO] tweaked toml for git repo https://github.com/BrianLee608/adventofcode2017rust written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate git repo https://github.com/BrianLee608/adventofcode2017rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e1373e4b9d3d0d342e541c59349b36ab884ccb30078571ff58779424cd1b88c
[INFO] running `Command { std: "docker" "start" "-a" "9e1373e4b9d3d0d342e541c59349b36ab884ccb30078571ff58779424cd1b88c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e1373e4b9d3d0d342e541c59349b36ab884ccb30078571ff58779424cd1b88c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e1373e4b9d3d0d342e541c59349b36ab884ccb30078571ff58779424cd1b88c", kill_on_drop: false }`
[INFO] [stdout] 9e1373e4b9d3d0d342e541c59349b36ab884ccb30078571ff58779424cd1b88c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f00a7c6a6cdd0a5ab430d5a8bd5e17a32db62a09fb54deb675885319bdb0b8ed
[INFO] running `Command { std: "docker" "start" "-a" "f00a7c6a6cdd0a5ab430d5a8bd5e17a32db62a09fb54deb675885319bdb0b8ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling adventofcode2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/day2.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | ;
[INFO] [stdout]    | ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `min_max_diff`
[INFO] [stdout]  --> src/day2.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn min_max_diff(line: &str) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "f00a7c6a6cdd0a5ab430d5a8bd5e17a32db62a09fb54deb675885319bdb0b8ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00a7c6a6cdd0a5ab430d5a8bd5e17a32db62a09fb54deb675885319bdb0b8ed", kill_on_drop: false }`
[INFO] [stdout] f00a7c6a6cdd0a5ab430d5a8bd5e17a32db62a09fb54deb675885319bdb0b8ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02a8249f000a49ebb206f3e8636b1d20e12c6138bc28469325fcb5237bdef48d
[INFO] running `Command { std: "docker" "start" "-a" "02a8249f000a49ebb206f3e8636b1d20e12c6138bc28469325fcb5237bdef48d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling adventofcode2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/day2.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | ;
[INFO] [stdout]    | ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `min_max_diff`
[INFO] [stdout]  --> src/day2.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn min_max_diff(line: &str) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "02a8249f000a49ebb206f3e8636b1d20e12c6138bc28469325fcb5237bdef48d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a8249f000a49ebb206f3e8636b1d20e12c6138bc28469325fcb5237bdef48d", kill_on_drop: false }`
[INFO] [stdout] 02a8249f000a49ebb206f3e8636b1d20e12c6138bc28469325fcb5237bdef48d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7e81937630108a237316d30a2a2aff29f2c48cce453fab329f32b3694d5380e
[INFO] running `Command { std: "docker" "start" "-a" "b7e81937630108a237316d30a2a2aff29f2c48cce453fab329f32b3694d5380e", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/day2.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | ;
[INFO] [stderr]    | ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `min_max_diff`
[INFO] [stderr]  --> src/day2.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn min_max_diff(line: &str) -> u32 {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `adventofcode2017` (bin "adventofcode2017" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/adventofcode2017-ed6185fb6b49f219)
[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" "b7e81937630108a237316d30a2a2aff29f2c48cce453fab329f32b3694d5380e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e81937630108a237316d30a2a2aff29f2c48cce453fab329f32b3694d5380e", kill_on_drop: false }`
[INFO] [stdout] b7e81937630108a237316d30a2a2aff29f2c48cce453fab329f32b3694d5380e