[INFO] fetching crate iso 0.0.3...
[INFO] checking iso-0.0.3 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate iso 0.0.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate iso 0.0.3 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1da567ef81b27e2a82f2ed1dc0a99bb756b0164fee612f82bc0d2d22e40c5244
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1da567ef81b27e2a82f2ed1dc0a99bb756b0164fee612f82bc0d2d22e40c5244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1da567ef81b27e2a82f2ed1dc0a99bb756b0164fee612f82bc0d2d22e40c5244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da567ef81b27e2a82f2ed1dc0a99bb756b0164fee612f82bc0d2d22e40c5244", kill_on_drop: false }`
[INFO] [stdout] 1da567ef81b27e2a82f2ed1dc0a99bb756b0164fee612f82bc0d2d22e40c5244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66c58b1dc4249a3e88c150aeedf86b317d1ce1f846e772426b8fa53a5b0c2e5a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "66c58b1dc4249a3e88c150aeedf86b317d1ce1f846e772426b8fa53a5b0c2e5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling quote v1.0.9
[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 --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=d42cf854a464c6ce -C extra-filename=-d42cf854a464c6ce --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern iso_macro=/opt/rustwide/target/debug/deps/libiso_macro-26a3bb7b00941455.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" "66c58b1dc4249a3e88c150aeedf86b317d1ce1f846e772426b8fa53a5b0c2e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c58b1dc4249a3e88c150aeedf86b317d1ce1f846e772426b8fa53a5b0c2e5a", kill_on_drop: false }`
[INFO] [stdout] 66c58b1dc4249a3e88c150aeedf86b317d1ce1f846e772426b8fa53a5b0c2e5a