[INFO] cloning repository https://github.com/foolusion/ab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/foolusion/ab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoolusion%2Fab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoolusion%2Fab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7aad89ba5f505a54b7bae5fa1c892e3f6bf3330
[INFO] testing foolusion/ab against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoolusion%2Fab" "/workspace/builds/worker-74/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foolusion/ab on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/foolusion/ab
[INFO] finished tweaking git repo https://github.com/foolusion/ab
[INFO] tweaked toml for git repo https://github.com/foolusion/ab written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate git repo https://github.com/foolusion/ab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe82d0eca4c660b7d7e9bdded3ddf46a3c0694b781ed838c6a1d72564aed75b1
[INFO] running `Command { std: "docker" "start" "-a" "fe82d0eca4c660b7d7e9bdded3ddf46a3c0694b781ed838c6a1d72564aed75b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe82d0eca4c660b7d7e9bdded3ddf46a3c0694b781ed838c6a1d72564aed75b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe82d0eca4c660b7d7e9bdded3ddf46a3c0694b781ed838c6a1d72564aed75b1", kill_on_drop: false }`
[INFO] [stdout] fe82d0eca4c660b7d7e9bdded3ddf46a3c0694b781ed838c6a1d72564aed75b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 549ad6922e59742fd44be7cdc68326f4d924029f1998faea2feb57f8408f6273
[INFO] running `Command { std: "docker" "start" "-a" "549ad6922e59742fd44be7cdc68326f4d924029f1998faea2feb57f8408f6273", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling ab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.06s
[INFO] running `Command { std: "docker" "inspect" "549ad6922e59742fd44be7cdc68326f4d924029f1998faea2feb57f8408f6273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549ad6922e59742fd44be7cdc68326f4d924029f1998faea2feb57f8408f6273", kill_on_drop: false }`
[INFO] [stdout] 549ad6922e59742fd44be7cdc68326f4d924029f1998faea2feb57f8408f6273
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50f697d2c8b9f55ddd13677cfe2dfaa3771315e1917268f86494823ec36cf122
[INFO] running `Command { std: "docker" "start" "-a" "50f697d2c8b9f55ddd13677cfe2dfaa3771315e1917268f86494823ec36cf122", kill_on_drop: false }`
[INFO] [stderr]    Compiling ab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "50f697d2c8b9f55ddd13677cfe2dfaa3771315e1917268f86494823ec36cf122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f697d2c8b9f55ddd13677cfe2dfaa3771315e1917268f86494823ec36cf122", kill_on_drop: false }`
[INFO] [stdout] 50f697d2c8b9f55ddd13677cfe2dfaa3771315e1917268f86494823ec36cf122
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6d4c9d4dbc2074a43aef5af49141cc44f8cdfcbe8d515af06a4d24dc3723635
[INFO] running `Command { std: "docker" "start" "-a" "d6d4c9d4dbc2074a43aef5af49141cc44f8cdfcbe8d515af06a4d24dc3723635", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ab-c7280d929ec463c9)
[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" "d6d4c9d4dbc2074a43aef5af49141cc44f8cdfcbe8d515af06a4d24dc3723635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d4c9d4dbc2074a43aef5af49141cc44f8cdfcbe8d515af06a4d24dc3723635", kill_on_drop: false }`
[INFO] [stdout] d6d4c9d4dbc2074a43aef5af49141cc44f8cdfcbe8d515af06a4d24dc3723635