[INFO] fetching crate hot 0.0.1...
[INFO] testing hot-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate hot 0.0.1 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate hot 0.0.1 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 hot 0.0.1
[INFO] finished tweaking crates.io crate hot 0.0.1
[INFO] tweaked toml for crates.io crate hot 0.0.1 written to /workspace/builds/worker-76/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] [stderr]     Blocking waiting for file lock on package cache
[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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 225663c6ccebf6bc82e42447cb8cc3322a5bdc30ec2e83f3dc98e72b3d655cab
[INFO] running `Command { std: "docker" "start" "-a" "225663c6ccebf6bc82e42447cb8cc3322a5bdc30ec2e83f3dc98e72b3d655cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "225663c6ccebf6bc82e42447cb8cc3322a5bdc30ec2e83f3dc98e72b3d655cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "225663c6ccebf6bc82e42447cb8cc3322a5bdc30ec2e83f3dc98e72b3d655cab", kill_on_drop: false }`
[INFO] [stdout] 225663c6ccebf6bc82e42447cb8cc3322a5bdc30ec2e83f3dc98e72b3d655cab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 58e20614392bf02fd4c9ebe436d3873aa8a078106f4e216883016923a51a36a5
[INFO] running `Command { std: "docker" "start" "-a" "58e20614392bf02fd4c9ebe436d3873aa8a078106f4e216883016923a51a36a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling hot v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "58e20614392bf02fd4c9ebe436d3873aa8a078106f4e216883016923a51a36a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e20614392bf02fd4c9ebe436d3873aa8a078106f4e216883016923a51a36a5", kill_on_drop: false }`
[INFO] [stdout] 58e20614392bf02fd4c9ebe436d3873aa8a078106f4e216883016923a51a36a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] b769be0390f0fb149d8cd2c8bd005f6a93a2ed5977b76b9e1b2e94207fdfb30a
[INFO] running `Command { std: "docker" "start" "-a" "b769be0390f0fb149d8cd2c8bd005f6a93a2ed5977b76b9e1b2e94207fdfb30a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hot v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "b769be0390f0fb149d8cd2c8bd005f6a93a2ed5977b76b9e1b2e94207fdfb30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b769be0390f0fb149d8cd2c8bd005f6a93a2ed5977b76b9e1b2e94207fdfb30a", kill_on_drop: false }`
[INFO] [stdout] b769be0390f0fb149d8cd2c8bd005f6a93a2ed5977b76b9e1b2e94207fdfb30a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 37474aabceca9ffda38a66b28c281b3a6eab60bb1f16340bd2647b7fe4efaab1
[INFO] running `Command { std: "docker" "start" "-a" "37474aabceca9ffda38a66b28c281b3a6eab60bb1f16340bd2647b7fe4efaab1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hot-e2d76f9768e1d6eb)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hot
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "37474aabceca9ffda38a66b28c281b3a6eab60bb1f16340bd2647b7fe4efaab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37474aabceca9ffda38a66b28c281b3a6eab60bb1f16340bd2647b7fe4efaab1", kill_on_drop: false }`
[INFO] [stdout] 37474aabceca9ffda38a66b28c281b3a6eab60bb1f16340bd2647b7fe4efaab1