[INFO] fetching crate empty-library 1.0.0...
[INFO] testing empty-library-1.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate empty-library 1.0.0 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate empty-library 1.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate empty-library 1.0.0
[INFO] finished tweaking crates.io crate empty-library 1.0.0
[INFO] tweaked toml for crates.io crate empty-library 1.0.0 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1602ad6dc1b4b3345f1aab1ed0ce967258c430f6a9c1e076206ecdb91b2b65ad
[INFO] running `Command { std: "docker" "start" "-a" "1602ad6dc1b4b3345f1aab1ed0ce967258c430f6a9c1e076206ecdb91b2b65ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1602ad6dc1b4b3345f1aab1ed0ce967258c430f6a9c1e076206ecdb91b2b65ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1602ad6dc1b4b3345f1aab1ed0ce967258c430f6a9c1e076206ecdb91b2b65ad", kill_on_drop: false }`
[INFO] [stdout] 1602ad6dc1b4b3345f1aab1ed0ce967258c430f6a9c1e076206ecdb91b2b65ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 747f212b2a86c89b24618374e9768c1f6eb4b7f8b0b9a15de98b7dc64f0e324a
[INFO] running `Command { std: "docker" "start" "-a" "747f212b2a86c89b24618374e9768c1f6eb4b7f8b0b9a15de98b7dc64f0e324a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling empty-library v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "747f212b2a86c89b24618374e9768c1f6eb4b7f8b0b9a15de98b7dc64f0e324a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747f212b2a86c89b24618374e9768c1f6eb4b7f8b0b9a15de98b7dc64f0e324a", kill_on_drop: false }`
[INFO] [stdout] 747f212b2a86c89b24618374e9768c1f6eb4b7f8b0b9a15de98b7dc64f0e324a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 364018e1631392eb0438bb0147bdec8541425d9c6c7a891260a84164bf8b50d6
[INFO] running `Command { std: "docker" "start" "-a" "364018e1631392eb0438bb0147bdec8541425d9c6c7a891260a84164bf8b50d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling empty-library v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "364018e1631392eb0438bb0147bdec8541425d9c6c7a891260a84164bf8b50d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "364018e1631392eb0438bb0147bdec8541425d9c6c7a891260a84164bf8b50d6", kill_on_drop: false }`
[INFO] [stdout] 364018e1631392eb0438bb0147bdec8541425d9c6c7a891260a84164bf8b50d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34ce851f7bc10628003a7c9d610d7e2ff2d78f234e664ec5320a7dd0f0de3d04
[INFO] running `Command { std: "docker" "start" "-a" "34ce851f7bc10628003a7c9d610d7e2ff2d78f234e664ec5320a7dd0f0de3d04", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/empty_library-6eac95f463e95e90)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests empty-library
[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" "34ce851f7bc10628003a7c9d610d7e2ff2d78f234e664ec5320a7dd0f0de3d04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ce851f7bc10628003a7c9d610d7e2ff2d78f234e664ec5320a7dd0f0de3d04", kill_on_drop: false }`
[INFO] [stdout] 34ce851f7bc10628003a7c9d610d7e2ff2d78f234e664ec5320a7dd0f0de3d04