[INFO] cloning repository https://github.com/jchevertonwynne/euler_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jchevertonwynne/euler_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchevertonwynne%2Feuler_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchevertonwynne%2Feuler_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a91ec64b666150a5b600c7508bf62e66e3d12101
[INFO] testing jchevertonwynne/euler_rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchevertonwynne%2Feuler_rust" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jchevertonwynne/euler_rust 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/jchevertonwynne/euler_rust
[INFO] finished tweaking git repo https://github.com/jchevertonwynne/euler_rust
[INFO] tweaked toml for git repo https://github.com/jchevertonwynne/euler_rust written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/jchevertonwynne/euler_rust 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-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] ed9c40a615dc8b6af3d0720794ddd1b8862da2602cebd03d1aba51ccd80e209c
[INFO] running `Command { std: "docker" "start" "-a" "ed9c40a615dc8b6af3d0720794ddd1b8862da2602cebd03d1aba51ccd80e209c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed9c40a615dc8b6af3d0720794ddd1b8862da2602cebd03d1aba51ccd80e209c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed9c40a615dc8b6af3d0720794ddd1b8862da2602cebd03d1aba51ccd80e209c", kill_on_drop: false }`
[INFO] [stdout] ed9c40a615dc8b6af3d0720794ddd1b8862da2602cebd03d1aba51ccd80e209c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 0f5b30e44f76621bcdeec4202d0fe5a3b20cf9d640159c5d590dbc5056dcf017
[INFO] running `Command { std: "docker" "start" "-a" "0f5b30e44f76621bcdeec4202d0fe5a3b20cf9d640159c5d590dbc5056dcf017", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling euler_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.72s
[INFO] running `Command { std: "docker" "inspect" "0f5b30e44f76621bcdeec4202d0fe5a3b20cf9d640159c5d590dbc5056dcf017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f5b30e44f76621bcdeec4202d0fe5a3b20cf9d640159c5d590dbc5056dcf017", kill_on_drop: false }`
[INFO] [stdout] 0f5b30e44f76621bcdeec4202d0fe5a3b20cf9d640159c5d590dbc5056dcf017
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 980a22260630c0b917e89988a282bcf6d872f73e648f6ab7ff505e82dad235e6
[INFO] running `Command { std: "docker" "start" "-a" "980a22260630c0b917e89988a282bcf6d872f73e648f6ab7ff505e82dad235e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling euler_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "980a22260630c0b917e89988a282bcf6d872f73e648f6ab7ff505e82dad235e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "980a22260630c0b917e89988a282bcf6d872f73e648f6ab7ff505e82dad235e6", kill_on_drop: false }`
[INFO] [stdout] 980a22260630c0b917e89988a282bcf6d872f73e648f6ab7ff505e82dad235e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 687ba664b35ec4a0364b08996cb4d0c342dbae533f4deb84d421d7553e136afb
[INFO] running `Command { std: "docker" "start" "-a" "687ba664b35ec4a0364b08996cb4d0c342dbae533f4deb84d421d7553e136afb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.87s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/euler_rust-81c94dffc2c239ac)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test primes::tests::should_be_able_to_multiply ... ok
[INFO] [stdout] test collatz::tests::builds_collatz_with_cache ... ok
[INFO] [stdout] test primes::tests::should_be_able_to_check_equality ... ok
[INFO] [stdout] test utils::tests::gets_proper_divisors ... ok
[INFO] [stdout] test utils::tests::reverses_numbers ... ok
[INFO] [stdout] test primes::tests::should_be_able_to_convert_back ... ok
[INFO] [stdout] test primes::tests::should_build_prime_factor_set ... ok
[INFO] [stdout] test primes::tests::should_be_able_to_divide ... ok
[INFO] [stdout] test primes::tests::should_be_able_to_add ... ok
[INFO] [stdout] test tests::problems_test_010 ... ok
[INFO] [stdout] test tests::problems_test_030 ... ok
[INFO] [stdout] test tests::problems_test_020 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "687ba664b35ec4a0364b08996cb4d0c342dbae533f4deb84d421d7553e136afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "687ba664b35ec4a0364b08996cb4d0c342dbae533f4deb84d421d7553e136afb", kill_on_drop: false }`
[INFO] [stdout] 687ba664b35ec4a0364b08996cb4d0c342dbae533f4deb84d421d7553e136afb