[INFO] fetching crate rustc-test-workspace-core 1.0.0...
[INFO] testing rustc-test-workspace-core-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rustc-test-workspace-core 1.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rustc-test-workspace-core 1.0.0 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 rustc-test-workspace-core 1.0.0
[INFO] finished tweaking crates.io crate rustc-test-workspace-core 1.0.0
[INFO] tweaked toml for crates.io crate rustc-test-workspace-core 1.0.0 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] e52351b09851df4f2e36e29974f834d404a3e3780b58cd81d08b106bdc66d356
[INFO] running `Command { std: "docker" "start" "-a" "e52351b09851df4f2e36e29974f834d404a3e3780b58cd81d08b106bdc66d356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e52351b09851df4f2e36e29974f834d404a3e3780b58cd81d08b106bdc66d356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52351b09851df4f2e36e29974f834d404a3e3780b58cd81d08b106bdc66d356", kill_on_drop: false }`
[INFO] [stdout] e52351b09851df4f2e36e29974f834d404a3e3780b58cd81d08b106bdc66d356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 3923e3ceba0bbb56452727bc72237c0499195b34e2a89cde5e06ed744362c569
[INFO] running `Command { std: "docker" "start" "-a" "3923e3ceba0bbb56452727bc72237c0499195b34e2a89cde5e06ed744362c569", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-test-workspace-core v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "3923e3ceba0bbb56452727bc72237c0499195b34e2a89cde5e06ed744362c569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3923e3ceba0bbb56452727bc72237c0499195b34e2a89cde5e06ed744362c569", kill_on_drop: false }`
[INFO] [stdout] 3923e3ceba0bbb56452727bc72237c0499195b34e2a89cde5e06ed744362c569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] bc83e0610454573ac190adb31d40787de08b1155f3947e28bb2cd20e178523c6
[INFO] running `Command { std: "docker" "start" "-a" "bc83e0610454573ac190adb31d40787de08b1155f3947e28bb2cd20e178523c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-test-workspace-core v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "bc83e0610454573ac190adb31d40787de08b1155f3947e28bb2cd20e178523c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc83e0610454573ac190adb31d40787de08b1155f3947e28bb2cd20e178523c6", kill_on_drop: false }`
[INFO] [stdout] bc83e0610454573ac190adb31d40787de08b1155f3947e28bb2cd20e178523c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] dab678bff12c20863be451bce246ebe680d4f5827433ff95bf5300c2fa20c86f
[INFO] running `Command { std: "docker" "start" "-a" "dab678bff12c20863be451bce246ebe680d4f5827433ff95bf5300c2fa20c86f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustc_test_workspace_core-cdb14dd40e612874)
[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] [stderr]    Doc-tests rustc-test-workspace-core
[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" "dab678bff12c20863be451bce246ebe680d4f5827433ff95bf5300c2fa20c86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab678bff12c20863be451bce246ebe680d4f5827433ff95bf5300c2fa20c86f", kill_on_drop: false }`
[INFO] [stdout] dab678bff12c20863be451bce246ebe680d4f5827433ff95bf5300c2fa20c86f