[INFO] cloning repository https://github.com/mfoman/adventofcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mfoman/adventofcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfoman%2Fadventofcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfoman%2Fadventofcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 274eb12b4058cce5cacfa6c8c94d9c760896f9d7
[INFO] testing mfoman/adventofcode against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfoman%2Fadventofcode" "/workspace/builds/worker-49/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mfoman/adventofcode 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/mfoman/adventofcode
[INFO] finished tweaking git repo https://github.com/mfoman/adventofcode
[INFO] tweaked toml for git repo https://github.com/mfoman/adventofcode written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate git repo https://github.com/mfoman/adventofcode 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 581d75d2f25ac3925f682ff71bb2db64d17355937cca68f5f9d24d0b35dec46b
[INFO] running `Command { std: "docker" "start" "-a" "581d75d2f25ac3925f682ff71bb2db64d17355937cca68f5f9d24d0b35dec46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "581d75d2f25ac3925f682ff71bb2db64d17355937cca68f5f9d24d0b35dec46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581d75d2f25ac3925f682ff71bb2db64d17355937cca68f5f9d24d0b35dec46b", kill_on_drop: false }`
[INFO] [stdout] 581d75d2f25ac3925f682ff71bb2db64d17355937cca68f5f9d24d0b35dec46b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 47143a886a2f3771e036ccdef2d3eb9a48a891993bc40be13999115962f4606b
[INFO] running `Command { std: "docker" "start" "-a" "47143a886a2f3771e036ccdef2d3eb9a48a891993bc40be13999115962f4606b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling adventofcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write`, `stdout`, `thread`, `time::Duration`
[INFO] [stdout]  --> src/bin/d4-native.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{stdout, Write},
[INFO] [stdout]   |          ^^^^^^  ^^^^^
[INFO] [stdout] 3 |     thread,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 4 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution_one`
[INFO] [stdout]   --> src/bin/d4-native.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn solution_one(lines: &Vec<String>) -> usize {
[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 3.80s
[INFO] running `Command { std: "docker" "inspect" "47143a886a2f3771e036ccdef2d3eb9a48a891993bc40be13999115962f4606b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47143a886a2f3771e036ccdef2d3eb9a48a891993bc40be13999115962f4606b", kill_on_drop: false }`
[INFO] [stdout] 47143a886a2f3771e036ccdef2d3eb9a48a891993bc40be13999115962f4606b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 297872c84bd3206ce342aa83500f3a0b34547027697570a69492e3e23832d3d3
[INFO] running `Command { std: "docker" "start" "-a" "297872c84bd3206ce342aa83500f3a0b34547027697570a69492e3e23832d3d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling adventofcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write`, `stdout`, `thread`, `time::Duration`
[INFO] [stdout]  --> src/bin/d4-native.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{stdout, Write},
[INFO] [stdout]   |          ^^^^^^  ^^^^^
[INFO] [stdout] 3 |     thread,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 4 |     time::Duration,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution_one`
[INFO] [stdout]   --> src/bin/d4-native.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn solution_one(lines: &Vec<String>) -> usize {
[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 0.56s
[INFO] running `Command { std: "docker" "inspect" "297872c84bd3206ce342aa83500f3a0b34547027697570a69492e3e23832d3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297872c84bd3206ce342aa83500f3a0b34547027697570a69492e3e23832d3d3", kill_on_drop: false }`
[INFO] [stdout] 297872c84bd3206ce342aa83500f3a0b34547027697570a69492e3e23832d3d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] f13650d7e6b959a668ccd13caf2f05405cc8f2de29c7efa930fe1dadf0462f0b
[INFO] running `Command { std: "docker" "start" "-a" "f13650d7e6b959a668ccd13caf2f05405cc8f2de29c7efa930fe1dadf0462f0b", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Write`, `stdout`, `thread`, `time::Duration`
[INFO] [stderr]  --> src/bin/d4-native.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 |     io::{stdout, Write},
[INFO] [stderr]   |          ^^^^^^  ^^^^^
[INFO] [stderr] 3 |     thread,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 4 |     time::Duration,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solution_one`
[INFO] [stderr]   --> src/bin/d4-native.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn solution_one(lines: &Vec<String>) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `adventofcode` (bin "d4-native" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/adventofcode-ccae33da5d958e9e)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/d3_native-80daeb148df06dae)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/d4_native-e5f130b5520cd1ed)
[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" "f13650d7e6b959a668ccd13caf2f05405cc8f2de29c7efa930fe1dadf0462f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13650d7e6b959a668ccd13caf2f05405cc8f2de29c7efa930fe1dadf0462f0b", kill_on_drop: false }`
[INFO] [stdout] f13650d7e6b959a668ccd13caf2f05405cc8f2de29c7efa930fe1dadf0462f0b