[INFO] fetching crate iso 0.0.3...
[INFO] checking iso-0.0.3 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate iso 0.0.3 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate iso 0.0.3 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iso 0.0.3
[INFO] finished tweaking crates.io crate iso 0.0.3
[INFO] tweaked toml for crates.io crate iso 0.0.3 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1b64c9ac01dfbbbe77da7ff1ff86331147aaee2a69e92fbc614f55b86af96e5
[INFO] running `Command { std: "docker" "start" "-a" "f1b64c9ac01dfbbbe77da7ff1ff86331147aaee2a69e92fbc614f55b86af96e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b64c9ac01dfbbbe77da7ff1ff86331147aaee2a69e92fbc614f55b86af96e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b64c9ac01dfbbbe77da7ff1ff86331147aaee2a69e92fbc614f55b86af96e5", kill_on_drop: false }`
[INFO] [stdout] f1b64c9ac01dfbbbe77da7ff1ff86331147aaee2a69e92fbc614f55b86af96e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b14e6bad5c1ba6ec44627f4d62a3de4bae745293a5c53d58e36352e605ba7706
[INFO] running `Command { std: "docker" "start" "-a" "b14e6bad5c1ba6ec44627f4d62a3de4bae745293a5c53d58e36352e605ba7706", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iso-macro v0.0.2
[INFO] [stderr]     Checking iso v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `iso`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name iso --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=93866b04dd495a53 -C extra-filename=-93866b04dd495a53 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern iso_macro=/opt/rustwide/target/debug/deps/libiso_macro-4d1a96af558926f5.so --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b14e6bad5c1ba6ec44627f4d62a3de4bae745293a5c53d58e36352e605ba7706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b14e6bad5c1ba6ec44627f4d62a3de4bae745293a5c53d58e36352e605ba7706", kill_on_drop: false }`
[INFO] [stdout] b14e6bad5c1ba6ec44627f4d62a3de4bae745293a5c53d58e36352e605ba7706