[INFO] fetching crate unit-derive 0.1.0...
[INFO] testing unit-derive-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate unit-derive 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate unit-derive 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unit-derive 0.1.0
[INFO] finished tweaking crates.io crate unit-derive 0.1.0
[INFO] tweaked toml for crates.io crate unit-derive 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9b30b5a6c5a9e2d15d2f0b075754c124f9b363e08161742a0e7ce3c0f8cac2a6
[INFO] running `Command { std: "docker" "start" "-a" "9b30b5a6c5a9e2d15d2f0b075754c124f9b363e08161742a0e7ce3c0f8cac2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b30b5a6c5a9e2d15d2f0b075754c124f9b363e08161742a0e7ce3c0f8cac2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b30b5a6c5a9e2d15d2f0b075754c124f9b363e08161742a0e7ce3c0f8cac2a6", kill_on_drop: false }`
[INFO] [stdout] 9b30b5a6c5a9e2d15d2f0b075754c124f9b363e08161742a0e7ce3c0f8cac2a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d47b33056e1ad7de6048a0f3933ada67537f2b1fbe5a06f3b1d99086a2e45ee7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d47b33056e1ad7de6048a0f3933ada67537f2b1fbe5a06f3b1d99086a2e45ee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling unit-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "d47b33056e1ad7de6048a0f3933ada67537f2b1fbe5a06f3b1d99086a2e45ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47b33056e1ad7de6048a0f3933ada67537f2b1fbe5a06f3b1d99086a2e45ee7", kill_on_drop: false }`
[INFO] [stdout] d47b33056e1ad7de6048a0f3933ada67537f2b1fbe5a06f3b1d99086a2e45ee7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a785df8f11a0ddf9993cc63ba7b3eedb2822a816080fd50b7a95e3d47bc0fe32
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a785df8f11a0ddf9993cc63ba7b3eedb2822a816080fd50b7a95e3d47bc0fe32", kill_on_drop: false }`
[INFO] [stderr]    Compiling unit-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "a785df8f11a0ddf9993cc63ba7b3eedb2822a816080fd50b7a95e3d47bc0fe32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a785df8f11a0ddf9993cc63ba7b3eedb2822a816080fd50b7a95e3d47bc0fe32", kill_on_drop: false }`
[INFO] [stdout] a785df8f11a0ddf9993cc63ba7b3eedb2822a816080fd50b7a95e3d47bc0fe32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66db2afa1f4474f253d79b786331d8571f65b95645f4a74837653048287be75d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "66db2afa1f4474f253d79b786331d8571f65b95645f4a74837653048287be75d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unit_derive-dd52f0196a13c343
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unit-derive
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "66db2afa1f4474f253d79b786331d8571f65b95645f4a74837653048287be75d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66db2afa1f4474f253d79b786331d8571f65b95645f4a74837653048287be75d", kill_on_drop: false }`
[INFO] [stdout] 66db2afa1f4474f253d79b786331d8571f65b95645f4a74837653048287be75d