[INFO] fetching crate dcore 0.1.0...
[INFO] testing dcore-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dcore 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dcore 0.1.0 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 crates.io crate dcore 0.1.0
[INFO] finished tweaking crates.io crate dcore 0.1.0
[INFO] tweaked toml for crates.io crate dcore 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ccfc7b4092bf3534ac9e296db73160e25554072393f40544b0b52e144923220a
[INFO] running `Command { std: "docker" "start" "-a" "ccfc7b4092bf3534ac9e296db73160e25554072393f40544b0b52e144923220a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccfc7b4092bf3534ac9e296db73160e25554072393f40544b0b52e144923220a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccfc7b4092bf3534ac9e296db73160e25554072393f40544b0b52e144923220a", kill_on_drop: false }`
[INFO] [stdout] ccfc7b4092bf3534ac9e296db73160e25554072393f40544b0b52e144923220a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 320dc436fa8746df4f62a881eed2e46abab3bbc698710c4008569223aac9865f
[INFO] running `Command { std: "docker" "start" "-a" "320dc436fa8746df4f62a881eed2e46abab3bbc698710c4008569223aac9865f", kill_on_drop: false }`
[INFO] [stderr]    Compiling dcore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "320dc436fa8746df4f62a881eed2e46abab3bbc698710c4008569223aac9865f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320dc436fa8746df4f62a881eed2e46abab3bbc698710c4008569223aac9865f", kill_on_drop: false }`
[INFO] [stdout] 320dc436fa8746df4f62a881eed2e46abab3bbc698710c4008569223aac9865f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 427c95fc41cbe3b4626d8a67fd4e304b5cafc161f0370a15f486a67f47c37c9b
[INFO] running `Command { std: "docker" "start" "-a" "427c95fc41cbe3b4626d8a67fd4e304b5cafc161f0370a15f486a67f47c37c9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling dcore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "427c95fc41cbe3b4626d8a67fd4e304b5cafc161f0370a15f486a67f47c37c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "427c95fc41cbe3b4626d8a67fd4e304b5cafc161f0370a15f486a67f47c37c9b", kill_on_drop: false }`
[INFO] [stdout] 427c95fc41cbe3b4626d8a67fd4e304b5cafc161f0370a15f486a67f47c37c9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f6691a5b1eaa822563ab5dc558bb35a34f878aebc63b026b604c8a9264b23965
[INFO] running `Command { std: "docker" "start" "-a" "f6691a5b1eaa822563ab5dc558bb35a34f878aebc63b026b604c8a9264b23965", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dcore-142812fbd01042c5)
[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" "f6691a5b1eaa822563ab5dc558bb35a34f878aebc63b026b604c8a9264b23965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6691a5b1eaa822563ab5dc558bb35a34f878aebc63b026b604c8a9264b23965", kill_on_drop: false }`
[INFO] [stdout] f6691a5b1eaa822563ab5dc558bb35a34f878aebc63b026b604c8a9264b23965