[INFO] fetching crate cargo-docker 0.2.0...
[INFO] testing cargo-docker-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cargo-docker 0.2.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate cargo-docker 0.2.0 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 crates.io crate cargo-docker 0.2.0
[INFO] finished tweaking crates.io crate cargo-docker 0.2.0
[INFO] tweaked toml for crates.io crate cargo-docker 0.2.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] ba39f8cf677e6bcd5c7b22f8c62d6b86b801e2249fdb3e6d77c6f553a3cd36f6
[INFO] running `Command { std: "docker" "start" "-a" "ba39f8cf677e6bcd5c7b22f8c62d6b86b801e2249fdb3e6d77c6f553a3cd36f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba39f8cf677e6bcd5c7b22f8c62d6b86b801e2249fdb3e6d77c6f553a3cd36f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba39f8cf677e6bcd5c7b22f8c62d6b86b801e2249fdb3e6d77c6f553a3cd36f6", kill_on_drop: false }`
[INFO] [stdout] ba39f8cf677e6bcd5c7b22f8c62d6b86b801e2249fdb3e6d77c6f553a3cd36f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 42f6cde069c6bb8e66170887534f5a21d1c4368d9d678f9c7ea21ccf6a8c1c0a
[INFO] running `Command { std: "docker" "start" "-a" "42f6cde069c6bb8e66170887534f5a21d1c4368d9d678f9c7ea21ccf6a8c1c0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cargo-docker v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "42f6cde069c6bb8e66170887534f5a21d1c4368d9d678f9c7ea21ccf6a8c1c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f6cde069c6bb8e66170887534f5a21d1c4368d9d678f9c7ea21ccf6a8c1c0a", kill_on_drop: false }`
[INFO] [stdout] 42f6cde069c6bb8e66170887534f5a21d1c4368d9d678f9c7ea21ccf6a8c1c0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] f9f2474b5af2ba04b766715df2ef14543270a7b1138e8202c2fdcbff801433ce
[INFO] running `Command { std: "docker" "start" "-a" "f9f2474b5af2ba04b766715df2ef14543270a7b1138e8202c2fdcbff801433ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-docker v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "f9f2474b5af2ba04b766715df2ef14543270a7b1138e8202c2fdcbff801433ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f2474b5af2ba04b766715df2ef14543270a7b1138e8202c2fdcbff801433ce", kill_on_drop: false }`
[INFO] [stdout] f9f2474b5af2ba04b766715df2ef14543270a7b1138e8202c2fdcbff801433ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 7f1dde134aa073dc2f9f6cd4f0aa303e8c7b076de15cb49b90c2f15aa766c86b
[INFO] running `Command { std: "docker" "start" "-a" "7f1dde134aa073dc2f9f6cd4f0aa303e8c7b076de15cb49b90c2f15aa766c86b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_docker-2e3e87a2f09de63f)
[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" "7f1dde134aa073dc2f9f6cd4f0aa303e8c7b076de15cb49b90c2f15aa766c86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f1dde134aa073dc2f9f6cd4f0aa303e8c7b076de15cb49b90c2f15aa766c86b", kill_on_drop: false }`
[INFO] [stdout] 7f1dde134aa073dc2f9f6cd4f0aa303e8c7b076de15cb49b90c2f15aa766c86b