[INFO] cloning repository https://github.com/msevilgenius/rusty-euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msevilgenius/rusty-euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsevilgenius%2Frusty-euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsevilgenius%2Frusty-euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ef8da5845b6c162420580cfee9eec54a04c0442
[INFO] testing msevilgenius/rusty-euler 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%2Fmsevilgenius%2Frusty-euler" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/msevilgenius/rusty-euler 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/msevilgenius/rusty-euler
[INFO] finished tweaking git repo https://github.com/msevilgenius/rusty-euler
[INFO] tweaked toml for git repo https://github.com/msevilgenius/rusty-euler written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/msevilgenius/rusty-euler 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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 71faea6eaca748c16ad6f91fc6ab0986f3b6add5293d95e3ac3ee359ae366b2d
[INFO] running `Command { std: "docker" "start" "-a" "71faea6eaca748c16ad6f91fc6ab0986f3b6add5293d95e3ac3ee359ae366b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71faea6eaca748c16ad6f91fc6ab0986f3b6add5293d95e3ac3ee359ae366b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71faea6eaca748c16ad6f91fc6ab0986f3b6add5293d95e3ac3ee359ae366b2d", kill_on_drop: false }`
[INFO] [stdout] 71faea6eaca748c16ad6f91fc6ab0986f3b6add5293d95e3ac3ee359ae366b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 8a86e6be3c0d77ed0ee651a43a1acb586ec01cf64eafe1ed6373da060d906dbf
[INFO] running `Command { std: "docker" "start" "-a" "8a86e6be3c0d77ed0ee651a43a1acb586ec01cf64eafe1ed6373da060d906dbf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `largest_prime_factor`
[INFO] [stdout]  --> src/problems/problem3.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn largest_prime_factor(num: i64) -> i64 {
[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 1m 45s
[INFO] running `Command { std: "docker" "inspect" "8a86e6be3c0d77ed0ee651a43a1acb586ec01cf64eafe1ed6373da060d906dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a86e6be3c0d77ed0ee651a43a1acb586ec01cf64eafe1ed6373da060d906dbf", kill_on_drop: false }`
[INFO] [stdout] 8a86e6be3c0d77ed0ee651a43a1acb586ec01cf64eafe1ed6373da060d906dbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] acbaa1a56bb4210c45c8fbf5be53320d3e8bba257febfdac36b925432007c659
[INFO] running `Command { std: "docker" "start" "-a" "acbaa1a56bb4210c45c8fbf5be53320d3e8bba257febfdac36b925432007c659", kill_on_drop: false }`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "acbaa1a56bb4210c45c8fbf5be53320d3e8bba257febfdac36b925432007c659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbaa1a56bb4210c45c8fbf5be53320d3e8bba257febfdac36b925432007c659", kill_on_drop: false }`
[INFO] [stdout] acbaa1a56bb4210c45c8fbf5be53320d3e8bba257febfdac36b925432007c659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] d121bc5b61a4c1d39aaa24e6d28bd23ffe7ad15ce871e0a82fa5cb6a7b022622
[INFO] running `Command { std: "docker" "start" "-a" "d121bc5b61a4c1d39aaa24e6d28bd23ffe7ad15ce871e0a82fa5cb6a7b022622", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/euler-3ae3928509660809)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test problems::problem2::tests::fib ... ok
[INFO] [stdout] test problems::problem3::tests::prime_factor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d121bc5b61a4c1d39aaa24e6d28bd23ffe7ad15ce871e0a82fa5cb6a7b022622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d121bc5b61a4c1d39aaa24e6d28bd23ffe7ad15ce871e0a82fa5cb6a7b022622", kill_on_drop: false }`
[INFO] [stdout] d121bc5b61a4c1d39aaa24e6d28bd23ffe7ad15ce871e0a82fa5cb6a7b022622