[INFO] cloning repository https://github.com/sloshwoven/random-digits
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sloshwoven/random-digits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsloshwoven%2Frandom-digits", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsloshwoven%2Frandom-digits'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a515637add0ee45aa94654ff80c7725d736bc31d
[INFO] testing sloshwoven/random-digits against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsloshwoven%2Frandom-digits" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sloshwoven/random-digits 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/sloshwoven/random-digits
[INFO] finished tweaking git repo https://github.com/sloshwoven/random-digits
[INFO] tweaked toml for git repo https://github.com/sloshwoven/random-digits written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/sloshwoven/random-digits 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ac23ec197c1fc68c445d49277390fc028328c1125ba3b96de76b8a4c86c14bcd
[INFO] running `Command { std: "docker" "start" "-a" "ac23ec197c1fc68c445d49277390fc028328c1125ba3b96de76b8a4c86c14bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac23ec197c1fc68c445d49277390fc028328c1125ba3b96de76b8a4c86c14bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac23ec197c1fc68c445d49277390fc028328c1125ba3b96de76b8a4c86c14bcd", kill_on_drop: false }`
[INFO] [stdout] ac23ec197c1fc68c445d49277390fc028328c1125ba3b96de76b8a4c86c14bcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ce6f1450f87fdb1baaf83365b0392e1836e1be55827793379aafee2e824cfa36
[INFO] running `Command { std: "docker" "start" "-a" "ce6f1450f87fdb1baaf83365b0392e1836e1be55827793379aafee2e824cfa36", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling random-digits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.89s
[INFO] running `Command { std: "docker" "inspect" "ce6f1450f87fdb1baaf83365b0392e1836e1be55827793379aafee2e824cfa36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce6f1450f87fdb1baaf83365b0392e1836e1be55827793379aafee2e824cfa36", kill_on_drop: false }`
[INFO] [stdout] ce6f1450f87fdb1baaf83365b0392e1836e1be55827793379aafee2e824cfa36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] fccd01d0ba9b323dfb4d280f59a732f47ca42e9727a3d9c7c221e28f2f8daf29
[INFO] running `Command { std: "docker" "start" "-a" "fccd01d0ba9b323dfb4d280f59a732f47ca42e9727a3d9c7c221e28f2f8daf29", kill_on_drop: false }`
[INFO] [stderr]    Compiling random-digits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "fccd01d0ba9b323dfb4d280f59a732f47ca42e9727a3d9c7c221e28f2f8daf29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fccd01d0ba9b323dfb4d280f59a732f47ca42e9727a3d9c7c221e28f2f8daf29", kill_on_drop: false }`
[INFO] [stdout] fccd01d0ba9b323dfb4d280f59a732f47ca42e9727a3d9c7c221e28f2f8daf29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 3a7bf61bec8102a88ad998d215bf1f113255da2206166eafcf5c96595fd6e76c
[INFO] running `Command { std: "docker" "start" "-a" "3a7bf61bec8102a88ad998d215bf1f113255da2206166eafcf5c96595fd6e76c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/random_digits-bca7ec307e5ab17d)
[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" "3a7bf61bec8102a88ad998d215bf1f113255da2206166eafcf5c96595fd6e76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7bf61bec8102a88ad998d215bf1f113255da2206166eafcf5c96595fd6e76c", kill_on_drop: false }`
[INFO] [stdout] 3a7bf61bec8102a88ad998d215bf1f113255da2206166eafcf5c96595fd6e76c