[INFO] cloning repository https://github.com/skytos/rust_euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skytos/rust_euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskytos%2Frust_euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskytos%2Frust_euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8279a21a19e59e585c09a612816aab04e1935316
[INFO] testing skytos/rust_euler against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskytos%2Frust_euler" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skytos/rust_euler 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/skytos/rust_euler
[INFO] finished tweaking git repo https://github.com/skytos/rust_euler
[INFO] tweaked toml for git repo https://github.com/skytos/rust_euler written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/skytos/rust_euler 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f847b2cb79e73fe66718f5ee5f3f90e42e2a9588527d6011057895d81b553841
[INFO] running `Command { std: "docker" "start" "-a" "f847b2cb79e73fe66718f5ee5f3f90e42e2a9588527d6011057895d81b553841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f847b2cb79e73fe66718f5ee5f3f90e42e2a9588527d6011057895d81b553841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f847b2cb79e73fe66718f5ee5f3f90e42e2a9588527d6011057895d81b553841", kill_on_drop: false }`
[INFO] [stdout] f847b2cb79e73fe66718f5ee5f3f90e42e2a9588527d6011057895d81b553841
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d26dc1d26dad8c0e8ea3f63d3ad7d54caf2d8aed4f991c05b95db0c7420c1550
[INFO] running `Command { std: "docker" "start" "-a" "d26dc1d26dad8c0e8ea3f63d3ad7d54caf2d8aed4f991c05b95db0c7420c1550", kill_on_drop: false }`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "d26dc1d26dad8c0e8ea3f63d3ad7d54caf2d8aed4f991c05b95db0c7420c1550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d26dc1d26dad8c0e8ea3f63d3ad7d54caf2d8aed4f991c05b95db0c7420c1550", kill_on_drop: false }`
[INFO] [stdout] d26dc1d26dad8c0e8ea3f63d3ad7d54caf2d8aed4f991c05b95db0c7420c1550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5fca113cafdc8a7cc1aca1d2779d9e592650a76c0ec8811d0140f6683952a384
[INFO] running `Command { std: "docker" "start" "-a" "5fca113cafdc8a7cc1aca1d2779d9e592650a76c0ec8811d0140f6683952a384", kill_on_drop: false }`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "5fca113cafdc8a7cc1aca1d2779d9e592650a76c0ec8811d0140f6683952a384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fca113cafdc8a7cc1aca1d2779d9e592650a76c0ec8811d0140f6683952a384", kill_on_drop: false }`
[INFO] [stdout] 5fca113cafdc8a7cc1aca1d2779d9e592650a76c0ec8811d0140f6683952a384
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b6b284b55f9c57c9171d5b8c9072c8bc65abf90a9f224af3aeabfd6a5cdd4fb6
[INFO] running `Command { std: "docker" "start" "-a" "b6b284b55f9c57c9171d5b8c9072c8bc65abf90a9f224af3aeabfd6a5cdd4fb6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/euler-b4430a12c98afaba)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test p1::test_p1 ... ok
[INFO] [stdout] test p3::test_p3 ... ok
[INFO] [stdout] test p2::test_p2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b6b284b55f9c57c9171d5b8c9072c8bc65abf90a9f224af3aeabfd6a5cdd4fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b284b55f9c57c9171d5b8c9072c8bc65abf90a9f224af3aeabfd6a5cdd4fb6", kill_on_drop: false }`
[INFO] [stdout] b6b284b55f9c57c9171d5b8c9072c8bc65abf90a9f224af3aeabfd6a5cdd4fb6