[INFO] cloning repository https://github.com/azconita/concustar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/azconita/concustar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazconita%2Fconcustar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazconita%2Fconcustar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e4c02300a8b3d791f0fbe3286b0757f6eb930a7
[INFO] testing azconita/concustar against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazconita%2Fconcustar" "/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/azconita/concustar 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/azconita/concustar
[INFO] finished tweaking git repo https://github.com/azconita/concustar
[INFO] tweaked toml for git repo https://github.com/azconita/concustar written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/azconita/concustar 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]  Downloading crates ...
[INFO] [stderr]   Downloaded term v0.5.1
[INFO] [stderr]   Downloaded simplelog v0.5.3
[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] e18c3c06a72402b7b9ba4a02a5b7654d57161e1c1c2bcbabf4ea56d84c482971
[INFO] running `Command { std: "docker" "start" "-a" "e18c3c06a72402b7b9ba4a02a5b7654d57161e1c1c2bcbabf4ea56d84c482971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e18c3c06a72402b7b9ba4a02a5b7654d57161e1c1c2bcbabf4ea56d84c482971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18c3c06a72402b7b9ba4a02a5b7654d57161e1c1c2bcbabf4ea56d84c482971", kill_on_drop: false }`
[INFO] [stdout] e18c3c06a72402b7b9ba4a02a5b7654d57161e1c1c2bcbabf4ea56d84c482971
[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] 7475c617cb2b6c24d825ac38d4520f7c1e3e4130c6e9441d9042701877193866
[INFO] running `Command { std: "docker" "start" "-a" "7475c617cb2b6c24d825ac38d4520f7c1e3e4130c6e9441d9042701877193866", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling concustar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.82s
[INFO] running `Command { std: "docker" "inspect" "7475c617cb2b6c24d825ac38d4520f7c1e3e4130c6e9441d9042701877193866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7475c617cb2b6c24d825ac38d4520f7c1e3e4130c6e9441d9042701877193866", kill_on_drop: false }`
[INFO] [stdout] 7475c617cb2b6c24d825ac38d4520f7c1e3e4130c6e9441d9042701877193866
[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] 25d7734ec50ca14a41b95e753795ff9f4515c57847c19d18aeb70185bebb33f1
[INFO] running `Command { std: "docker" "start" "-a" "25d7734ec50ca14a41b95e753795ff9f4515c57847c19d18aeb70185bebb33f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling concustar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "25d7734ec50ca14a41b95e753795ff9f4515c57847c19d18aeb70185bebb33f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d7734ec50ca14a41b95e753795ff9f4515c57847c19d18aeb70185bebb33f1", kill_on_drop: false }`
[INFO] [stdout] 25d7734ec50ca14a41b95e753795ff9f4515c57847c19d18aeb70185bebb33f1
[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] 55efe01010cff807d355da7e2cddd0f69d4206c6c3483a4a11ea6f1ef368a5ce
[INFO] running `Command { std: "docker" "start" "-a" "55efe01010cff807d355da7e2cddd0f69d4206c6c3483a4a11ea6f1ef368a5ce", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/concustar-fea39626f0598d51)
[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" "55efe01010cff807d355da7e2cddd0f69d4206c6c3483a4a11ea6f1ef368a5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55efe01010cff807d355da7e2cddd0f69d4206c6c3483a4a11ea6f1ef368a5ce", kill_on_drop: false }`
[INFO] [stdout] 55efe01010cff807d355da7e2cddd0f69d4206c6c3483a4a11ea6f1ef368a5ce