[INFO] fetching crate sierra 0.3.4...
[INFO] testing sierra-0.3.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate sierra 0.3.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sierra 0.3.4 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 sierra 0.3.4
[INFO] finished tweaking crates.io crate sierra 0.3.4
[INFO] tweaked toml for crates.io crate sierra 0.3.4 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] de8d23ba90b97e289444b11e4b4bce1924463263b1f88613fcaf17e608c8d514
[INFO] running `Command { std: "docker" "start" "-a" "de8d23ba90b97e289444b11e4b4bce1924463263b1f88613fcaf17e608c8d514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de8d23ba90b97e289444b11e4b4bce1924463263b1f88613fcaf17e608c8d514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8d23ba90b97e289444b11e4b4bce1924463263b1f88613fcaf17e608c8d514", kill_on_drop: false }`
[INFO] [stdout] de8d23ba90b97e289444b11e4b4bce1924463263b1f88613fcaf17e608c8d514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 62de08b84e47ec5a3cfbae586084cb6db070f5c6b18cb8e66785f6d56fc00534
[INFO] running `Command { std: "docker" "start" "-a" "62de08b84e47ec5a3cfbae586084cb6db070f5c6b18cb8e66785f6d56fc00534", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling scoped-arena v0.3.0
[INFO] [stderr]    Compiling layered-bitset v0.1.3
[INFO] [stderr]    Compiling pp-rs v0.2.1
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling spirv v0.2.0+1.5.4
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling sierra-proc v0.3.0
[INFO] [stderr]    Compiling erupt v0.19.0+182
[INFO] [stderr]    Compiling gpu-descriptor v0.2.1
[INFO] [stderr]    Compiling gpu-alloc v0.5.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling naga v0.6.3
[INFO] [stderr]    Compiling gpu-descriptor-erupt v0.2.0
[INFO] [stderr]    Compiling gpu-alloc-erupt v0.5.0
[INFO] [stderr]    Compiling sierra v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.02s
[INFO] running `Command { std: "docker" "inspect" "62de08b84e47ec5a3cfbae586084cb6db070f5c6b18cb8e66785f6d56fc00534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62de08b84e47ec5a3cfbae586084cb6db070f5c6b18cb8e66785f6d56fc00534", kill_on_drop: false }`
[INFO] [stdout] 62de08b84e47ec5a3cfbae586084cb6db070f5c6b18cb8e66785f6d56fc00534
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 500b8fb1da2c6eef3ddcf3a004d027a0b0a361e57170bbc801494de38a31021e
[INFO] running `Command { std: "docker" "start" "-a" "500b8fb1da2c6eef3ddcf3a004d027a0b0a361e57170bbc801494de38a31021e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sierra v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `Command { std: "docker" "inspect" "500b8fb1da2c6eef3ddcf3a004d027a0b0a361e57170bbc801494de38a31021e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500b8fb1da2c6eef3ddcf3a004d027a0b0a361e57170bbc801494de38a31021e", kill_on_drop: false }`
[INFO] [stdout] 500b8fb1da2c6eef3ddcf3a004d027a0b0a361e57170bbc801494de38a31021e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d2fc4371d1ae6475ba710aebab7a3db747d355d92527ca6d1fa2b4f506cd3201
[INFO] running `Command { std: "docker" "start" "-a" "d2fc4371d1ae6475ba710aebab7a3db747d355d92527ca6d1fa2b4f506cd3201", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sierra-89341cb320eab15d)
[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 sierra
[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" "d2fc4371d1ae6475ba710aebab7a3db747d355d92527ca6d1fa2b4f506cd3201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fc4371d1ae6475ba710aebab7a3db747d355d92527ca6d1fa2b4f506cd3201", kill_on_drop: false }`
[INFO] [stdout] d2fc4371d1ae6475ba710aebab7a3db747d355d92527ca6d1fa2b4f506cd3201