[INFO] cloning repository https://github.com/w0rdsm1th/advent_of_code_2020_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/w0rdsm1th/advent_of_code_2020_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw0rdsm1th%2Fadvent_of_code_2020_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw0rdsm1th%2Fadvent_of_code_2020_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1c818aef0b6ae1812c1458297c4c332be21d2a8
[INFO] testing w0rdsm1th/advent_of_code_2020_rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fw0rdsm1th%2Fadvent_of_code_2020_rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/w0rdsm1th/advent_of_code_2020_rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/w0rdsm1th/advent_of_code_2020_rust
[INFO] finished tweaking git repo https://github.com/w0rdsm1th/advent_of_code_2020_rust
[INFO] tweaked toml for git repo https://github.com/w0rdsm1th/advent_of_code_2020_rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/w0rdsm1th/advent_of_code_2020_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa429843887ebfd04c7b7ba9421a8b3f2c2efe4cd6677599d99bf7274c37a147
[INFO] running `Command { std: "docker" "start" "-a" "aa429843887ebfd04c7b7ba9421a8b3f2c2efe4cd6677599d99bf7274c37a147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa429843887ebfd04c7b7ba9421a8b3f2c2efe4cd6677599d99bf7274c37a147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa429843887ebfd04c7b7ba9421a8b3f2c2efe4cd6677599d99bf7274c37a147", kill_on_drop: false }`
[INFO] [stdout] aa429843887ebfd04c7b7ba9421a8b3f2c2efe4cd6677599d99bf7274c37a147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5df4b53f0ca48b6a8c696a6a240c0eb10869518d64c8b52770fff8c3c86abeed
[INFO] running `Command { std: "docker" "start" "-a" "5df4b53f0ca48b6a8c696a6a240c0eb10869518d64c8b52770fff8c3c86abeed", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code_2020_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]  --> src/day1.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn solution() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "5df4b53f0ca48b6a8c696a6a240c0eb10869518d64c8b52770fff8c3c86abeed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df4b53f0ca48b6a8c696a6a240c0eb10869518d64c8b52770fff8c3c86abeed", kill_on_drop: false }`
[INFO] [stdout] 5df4b53f0ca48b6a8c696a6a240c0eb10869518d64c8b52770fff8c3c86abeed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7408d3b9e4e516ce3f481cc504fa36ddd9c500181eaa80353e526208b12dcf6e
[INFO] running `Command { std: "docker" "start" "-a" "7408d3b9e4e516ce3f481cc504fa36ddd9c500181eaa80353e526208b12dcf6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code_2020_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]  --> src/day1.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn solution() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "7408d3b9e4e516ce3f481cc504fa36ddd9c500181eaa80353e526208b12dcf6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7408d3b9e4e516ce3f481cc504fa36ddd9c500181eaa80353e526208b12dcf6e", kill_on_drop: false }`
[INFO] [stdout] 7408d3b9e4e516ce3f481cc504fa36ddd9c500181eaa80353e526208b12dcf6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63e1e46599932e03986bf15257da289f5077bfa0840d4209109e4aca5638655b
[INFO] running `Command { std: "docker" "start" "-a" "63e1e46599932e03986bf15257da289f5077bfa0840d4209109e4aca5638655b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `solution`
[INFO] [stderr]  --> src/day1.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn solution() {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code_2020_rust` (bin "advent_of_code_2020_rust" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.97s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code_2020_rust-92eca8f8449783b1)
[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" "63e1e46599932e03986bf15257da289f5077bfa0840d4209109e4aca5638655b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e1e46599932e03986bf15257da289f5077bfa0840d4209109e4aca5638655b", kill_on_drop: false }`
[INFO] [stdout] 63e1e46599932e03986bf15257da289f5077bfa0840d4209109e4aca5638655b