[INFO] cloning repository https://github.com/r0g3r0g3r/mahub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r0g3r0g3r/mahub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr0g3r0g3r%2Fmahub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr0g3r0g3r%2Fmahub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae11c89b7c2c0587c1a17beb30fa2ddb814f8a03
[INFO] testing r0g3r0g3r/mahub against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr0g3r0g3r%2Fmahub" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/r0g3r0g3r/mahub 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/r0g3r0g3r/mahub
[INFO] finished tweaking git repo https://github.com/r0g3r0g3r/mahub
[INFO] tweaked toml for git repo https://github.com/r0g3r0g3r/mahub written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/r0g3r0g3r/mahub 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5e86ff283a82af2eac4ec0506f6ab43bc84de8012e33e0289f7275f9040b6a0f
[INFO] running `Command { std: "docker" "start" "-a" "5e86ff283a82af2eac4ec0506f6ab43bc84de8012e33e0289f7275f9040b6a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e86ff283a82af2eac4ec0506f6ab43bc84de8012e33e0289f7275f9040b6a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e86ff283a82af2eac4ec0506f6ab43bc84de8012e33e0289f7275f9040b6a0f", kill_on_drop: false }`
[INFO] [stdout] 5e86ff283a82af2eac4ec0506f6ab43bc84de8012e33e0289f7275f9040b6a0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c2731f81832744bbc749a45ae86a9600d1b4baed7a99a017861d6680f2c890f5
[INFO] running `Command { std: "docker" "start" "-a" "c2731f81832744bbc749a45ae86a9600d1b4baed7a99a017861d6680f2c890f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling mahub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.75s
[INFO] running `Command { std: "docker" "inspect" "c2731f81832744bbc749a45ae86a9600d1b4baed7a99a017861d6680f2c890f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2731f81832744bbc749a45ae86a9600d1b4baed7a99a017861d6680f2c890f5", kill_on_drop: false }`
[INFO] [stdout] c2731f81832744bbc749a45ae86a9600d1b4baed7a99a017861d6680f2c890f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4a0e6009d96f2243a6481404f04ed296923a26d71d4e02ad6b6847ba2d832c9f
[INFO] running `Command { std: "docker" "start" "-a" "4a0e6009d96f2243a6481404f04ed296923a26d71d4e02ad6b6847ba2d832c9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mahub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "4a0e6009d96f2243a6481404f04ed296923a26d71d4e02ad6b6847ba2d832c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0e6009d96f2243a6481404f04ed296923a26d71d4e02ad6b6847ba2d832c9f", kill_on_drop: false }`
[INFO] [stdout] 4a0e6009d96f2243a6481404f04ed296923a26d71d4e02ad6b6847ba2d832c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 2b6855ec9a80180e56622af493d369997f85d3815cf17dcc4114cba7ada05914
[INFO] running `Command { std: "docker" "start" "-a" "2b6855ec9a80180e56622af493d369997f85d3815cf17dcc4114cba7ada05914", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.74s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mahub-5610fbcafdc06714)
[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" "2b6855ec9a80180e56622af493d369997f85d3815cf17dcc4114cba7ada05914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6855ec9a80180e56622af493d369997f85d3815cf17dcc4114cba7ada05914", kill_on_drop: false }`
[INFO] [stdout] 2b6855ec9a80180e56622af493d369997f85d3815cf17dcc4114cba7ada05914