[INFO] fetching crate mlua_derive 0.6.0...
[INFO] testing mlua_derive-0.6.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mlua_derive 0.6.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate mlua_derive 0.6.0 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 mlua_derive 0.6.0
[INFO] finished tweaking crates.io crate mlua_derive 0.6.0
[INFO] tweaked toml for crates.io crate mlua_derive 0.6.0 written to /workspace/builds/worker-41/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 518f33d92e5f9552e937d579346f596d33ca32d1fdcfc0d9e816f61e90cebafa
[INFO] running `Command { std: "docker" "start" "-a" "518f33d92e5f9552e937d579346f596d33ca32d1fdcfc0d9e816f61e90cebafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "518f33d92e5f9552e937d579346f596d33ca32d1fdcfc0d9e816f61e90cebafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "518f33d92e5f9552e937d579346f596d33ca32d1fdcfc0d9e816f61e90cebafa", kill_on_drop: false }`
[INFO] [stdout] 518f33d92e5f9552e937d579346f596d33ca32d1fdcfc0d9e816f61e90cebafa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 9c592bc270b1c2cf29e3a0e75f7b30b95d40be57d8a00db48acefe72565a4c1f
[INFO] running `Command { std: "docker" "start" "-a" "9c592bc270b1c2cf29e3a0e75f7b30b95d40be57d8a00db48acefe72565a4c1f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling mlua_derive v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.62s
[INFO] running `Command { std: "docker" "inspect" "9c592bc270b1c2cf29e3a0e75f7b30b95d40be57d8a00db48acefe72565a4c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c592bc270b1c2cf29e3a0e75f7b30b95d40be57d8a00db48acefe72565a4c1f", kill_on_drop: false }`
[INFO] [stdout] 9c592bc270b1c2cf29e3a0e75f7b30b95d40be57d8a00db48acefe72565a4c1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 3fbafa646b462c59d2c71c859987f1137e87f600fa06747a8e44cda26c3795cb
[INFO] running `Command { std: "docker" "start" "-a" "3fbafa646b462c59d2c71c859987f1137e87f600fa06747a8e44cda26c3795cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling mlua_derive v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "3fbafa646b462c59d2c71c859987f1137e87f600fa06747a8e44cda26c3795cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fbafa646b462c59d2c71c859987f1137e87f600fa06747a8e44cda26c3795cb", kill_on_drop: false }`
[INFO] [stdout] 3fbafa646b462c59d2c71c859987f1137e87f600fa06747a8e44cda26c3795cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] eaac81f6fc020eb46a66f7e2ae6375bc46d0c0e4c51b5e7c32685db7a6f6625c
[INFO] running `Command { std: "docker" "start" "-a" "eaac81f6fc020eb46a66f7e2ae6375bc46d0c0e4c51b5e7c32685db7a6f6625c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mlua_derive-2736f9a728414e40)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mlua_derive
[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] [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" "eaac81f6fc020eb46a66f7e2ae6375bc46d0c0e4c51b5e7c32685db7a6f6625c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaac81f6fc020eb46a66f7e2ae6375bc46d0c0e4c51b5e7c32685db7a6f6625c", kill_on_drop: false }`
[INFO] [stdout] eaac81f6fc020eb46a66f7e2ae6375bc46d0c0e4c51b5e7c32685db7a6f6625c