[INFO] cloning repository https://github.com/rednithin/CowsAndBulls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rednithin/CowsAndBulls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednithin%2FCowsAndBulls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednithin%2FCowsAndBulls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81aeeb7a0ac5c2209565c47d8639d21241b6fbd3
[INFO] testing rednithin/CowsAndBulls against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednithin%2FCowsAndBulls" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rednithin/CowsAndBulls 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/rednithin/CowsAndBulls
[INFO] finished tweaking git repo https://github.com/rednithin/CowsAndBulls
[INFO] tweaked toml for git repo https://github.com/rednithin/CowsAndBulls written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rednithin/CowsAndBulls 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b971977407647a17015306efb87da1506af2ab4c1c772f14d7cea08ea35088ab
[INFO] running `Command { std: "docker" "start" "-a" "b971977407647a17015306efb87da1506af2ab4c1c772f14d7cea08ea35088ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b971977407647a17015306efb87da1506af2ab4c1c772f14d7cea08ea35088ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b971977407647a17015306efb87da1506af2ab4c1c772f14d7cea08ea35088ab", kill_on_drop: false }`
[INFO] [stdout] b971977407647a17015306efb87da1506af2ab4c1c772f14d7cea08ea35088ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 80e925cafc094cbdf7e1d222921ccb6cb8884eede9eeb8cf97cb4a23ad6214a9
[INFO] running `Command { std: "docker" "start" "-a" "80e925cafc094cbdf7e1d222921ccb6cb8884eede9eeb8cf97cb4a23ad6214a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling cows-bulls-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.76s
[INFO] running `Command { std: "docker" "inspect" "80e925cafc094cbdf7e1d222921ccb6cb8884eede9eeb8cf97cb4a23ad6214a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e925cafc094cbdf7e1d222921ccb6cb8884eede9eeb8cf97cb4a23ad6214a9", kill_on_drop: false }`
[INFO] [stdout] 80e925cafc094cbdf7e1d222921ccb6cb8884eede9eeb8cf97cb4a23ad6214a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0843218c9ae6c99dbf52faa6935a1bad843f8892797fe19ef55363063da4310b
[INFO] running `Command { std: "docker" "start" "-a" "0843218c9ae6c99dbf52faa6935a1bad843f8892797fe19ef55363063da4310b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cows-bulls-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "0843218c9ae6c99dbf52faa6935a1bad843f8892797fe19ef55363063da4310b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0843218c9ae6c99dbf52faa6935a1bad843f8892797fe19ef55363063da4310b", kill_on_drop: false }`
[INFO] [stdout] 0843218c9ae6c99dbf52faa6935a1bad843f8892797fe19ef55363063da4310b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a084e850dc16f6e0084443aac204e8d2b1ca48ff52b40c600094ed9eb0a6304b
[INFO] running `Command { std: "docker" "start" "-a" "a084e850dc16f6e0084443aac204e8d2b1ca48ff52b40c600094ed9eb0a6304b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cows_bulls_rs-5687cb1d6b8fc22f)
[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" "a084e850dc16f6e0084443aac204e8d2b1ca48ff52b40c600094ed9eb0a6304b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a084e850dc16f6e0084443aac204e8d2b1ca48ff52b40c600094ed9eb0a6304b", kill_on_drop: false }`
[INFO] [stdout] a084e850dc16f6e0084443aac204e8d2b1ca48ff52b40c600094ed9eb0a6304b