[INFO] fetching crate contrive 0.1.1...
[INFO] testing contrive-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate contrive 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate contrive 0.1.1 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 contrive 0.1.1
[INFO] finished tweaking crates.io crate contrive 0.1.1
[INFO] tweaked toml for crates.io crate contrive 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate contrive 0.1.1 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-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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ffb423a7624e29b2d706d37af617a31b0dbbcb03927904d2c6a32812226ec8f
[INFO] running `Command { std: "docker" "start" "-a" "1ffb423a7624e29b2d706d37af617a31b0dbbcb03927904d2c6a32812226ec8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ffb423a7624e29b2d706d37af617a31b0dbbcb03927904d2c6a32812226ec8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ffb423a7624e29b2d706d37af617a31b0dbbcb03927904d2c6a32812226ec8f", kill_on_drop: false }`
[INFO] [stdout] 1ffb423a7624e29b2d706d37af617a31b0dbbcb03927904d2c6a32812226ec8f
[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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4a1b4b7a17d7dffe4e9c1dabd03b360e2a143b30faa829226323fcb301a6a52
[INFO] running `Command { std: "docker" "start" "-a" "e4a1b4b7a17d7dffe4e9c1dabd03b360e2a143b30faa829226323fcb301a6a52", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling contrive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.50s
[INFO] running `Command { std: "docker" "inspect" "e4a1b4b7a17d7dffe4e9c1dabd03b360e2a143b30faa829226323fcb301a6a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a1b4b7a17d7dffe4e9c1dabd03b360e2a143b30faa829226323fcb301a6a52", kill_on_drop: false }`
[INFO] [stdout] e4a1b4b7a17d7dffe4e9c1dabd03b360e2a143b30faa829226323fcb301a6a52
[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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8fe6c29ad040a10ebcd98d107f18f53691264fb8d1971eed23c50cdee75dff0
[INFO] running `Command { std: "docker" "start" "-a" "e8fe6c29ad040a10ebcd98d107f18f53691264fb8d1971eed23c50cdee75dff0", kill_on_drop: false }`
[INFO] [stderr]    Compiling contrive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "e8fe6c29ad040a10ebcd98d107f18f53691264fb8d1971eed23c50cdee75dff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8fe6c29ad040a10ebcd98d107f18f53691264fb8d1971eed23c50cdee75dff0", kill_on_drop: false }`
[INFO] [stdout] e8fe6c29ad040a10ebcd98d107f18f53691264fb8d1971eed23c50cdee75dff0
[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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 233f534a7e964dc20e087077f7191a40b3bc5b0850eedb8d7e345abdfeb95c99
[INFO] running `Command { std: "docker" "start" "-a" "233f534a7e964dc20e087077f7191a40b3bc5b0850eedb8d7e345abdfeb95c99", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/contrive-43a2cd59b653e827)
[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" "233f534a7e964dc20e087077f7191a40b3bc5b0850eedb8d7e345abdfeb95c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "233f534a7e964dc20e087077f7191a40b3bc5b0850eedb8d7e345abdfeb95c99", kill_on_drop: false }`
[INFO] [stdout] 233f534a7e964dc20e087077f7191a40b3bc5b0850eedb8d7e345abdfeb95c99