[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 beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskytos%2Frust_euler" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skytos/rust_euler on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+beta-2021-01-01" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 848765a1f8196355e7b723d2667e35ade906c61037dafe5b82fb2fe45ebc9c8f
[INFO] running `Command { std: "docker" "start" "-a" "848765a1f8196355e7b723d2667e35ade906c61037dafe5b82fb2fe45ebc9c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "848765a1f8196355e7b723d2667e35ade906c61037dafe5b82fb2fe45ebc9c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "848765a1f8196355e7b723d2667e35ade906c61037dafe5b82fb2fe45ebc9c8f", kill_on_drop: false }`
[INFO] [stdout] 848765a1f8196355e7b723d2667e35ade906c61037dafe5b82fb2fe45ebc9c8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc5d4eeb1b8ae3bce1e88a742b1c7c8320a8480b5e63852fd81882ff4848cf71
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc5d4eeb1b8ae3bce1e88a742b1c7c8320a8480b5e63852fd81882ff4848cf71", kill_on_drop: false }`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "bc5d4eeb1b8ae3bce1e88a742b1c7c8320a8480b5e63852fd81882ff4848cf71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5d4eeb1b8ae3bce1e88a742b1c7c8320a8480b5e63852fd81882ff4848cf71", kill_on_drop: false }`
[INFO] [stdout] bc5d4eeb1b8ae3bce1e88a742b1c7c8320a8480b5e63852fd81882ff4848cf71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7143cd0c41d90e37717d7c273f1087ef611041907c6d170bc3283b3e88e6952
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a7143cd0c41d90e37717d7c273f1087ef611041907c6d170bc3283b3e88e6952", kill_on_drop: false }`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "a7143cd0c41d90e37717d7c273f1087ef611041907c6d170bc3283b3e88e6952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7143cd0c41d90e37717d7c273f1087ef611041907c6d170bc3283b3e88e6952", kill_on_drop: false }`
[INFO] [stdout] a7143cd0c41d90e37717d7c273f1087ef611041907c6d170bc3283b3e88e6952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd293f9552e3d90ce0dbb19311601138c870963de2a30a054187e0195c189d85
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd293f9552e3d90ce0dbb19311601138c870963de2a30a054187e0195c189d85", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler-8bd214ff98172b1d
[INFO] [stdout] test p2::test_p2 ... ok
[INFO] [stdout] test p3::test_p3 ... ok
[INFO] [stdout] test p1::test_p1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bd293f9552e3d90ce0dbb19311601138c870963de2a30a054187e0195c189d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd293f9552e3d90ce0dbb19311601138c870963de2a30a054187e0195c189d85", kill_on_drop: false }`
[INFO] [stdout] bd293f9552e3d90ce0dbb19311601138c870963de2a30a054187e0195c189d85