[INFO] fetching crate trait-union-proc 0.1.4...
[INFO] testing trait-union-proc-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate trait-union-proc 0.1.4 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate trait-union-proc 0.1.4 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 trait-union-proc 0.1.4
[INFO] finished tweaking crates.io crate trait-union-proc 0.1.4
[INFO] tweaked toml for crates.io crate trait-union-proc 0.1.4 written to /workspace/builds/worker-84/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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 8d5ff845ce6ce879427d79575513e4584e0dd7f64a78501ecb17a7fe949ad4c1
[INFO] running `Command { std: "docker" "start" "-a" "8d5ff845ce6ce879427d79575513e4584e0dd7f64a78501ecb17a7fe949ad4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d5ff845ce6ce879427d79575513e4584e0dd7f64a78501ecb17a7fe949ad4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5ff845ce6ce879427d79575513e4584e0dd7f64a78501ecb17a7fe949ad4c1", kill_on_drop: false }`
[INFO] [stdout] 8d5ff845ce6ce879427d79575513e4584e0dd7f64a78501ecb17a7fe949ad4c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 4ce0af91c5889786ecde24ccb45afc319eedc3a255d023e2c00c279c24785487
[INFO] running `Command { std: "docker" "start" "-a" "4ce0af91c5889786ecde24ccb45afc319eedc3a255d023e2c00c279c24785487", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling trait-union-proc v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "4ce0af91c5889786ecde24ccb45afc319eedc3a255d023e2c00c279c24785487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce0af91c5889786ecde24ccb45afc319eedc3a255d023e2c00c279c24785487", kill_on_drop: false }`
[INFO] [stdout] 4ce0af91c5889786ecde24ccb45afc319eedc3a255d023e2c00c279c24785487
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 2a5332703cba7f67bd768859297598c35e7214437328dffa2cbf4dd208b54e76
[INFO] running `Command { std: "docker" "start" "-a" "2a5332703cba7f67bd768859297598c35e7214437328dffa2cbf4dd208b54e76", kill_on_drop: false }`
[INFO] [stderr]    Compiling trait-union-proc v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "2a5332703cba7f67bd768859297598c35e7214437328dffa2cbf4dd208b54e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a5332703cba7f67bd768859297598c35e7214437328dffa2cbf4dd208b54e76", kill_on_drop: false }`
[INFO] [stdout] 2a5332703cba7f67bd768859297598c35e7214437328dffa2cbf4dd208b54e76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] e116b9e914f21d7073672be26270f188e12631ade233e7cc3ba58e152f338c07
[INFO] running `Command { std: "docker" "start" "-a" "e116b9e914f21d7073672be26270f188e12631ade233e7cc3ba58e152f338c07", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trait_union_proc-92a410a56a182140)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trait-union-proc
[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" "e116b9e914f21d7073672be26270f188e12631ade233e7cc3ba58e152f338c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e116b9e914f21d7073672be26270f188e12631ade233e7cc3ba58e152f338c07", kill_on_drop: false }`
[INFO] [stdout] e116b9e914f21d7073672be26270f188e12631ade233e7cc3ba58e152f338c07