[INFO] fetching crate palindrome 0.1.1... [INFO] checking palindrome-0.1.1 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579 [INFO] extracting crate palindrome 0.1.1 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate palindrome 0.1.1 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate palindrome 0.1.1 [INFO] finished tweaking crates.io crate palindrome 0.1.1 [INFO] tweaked toml for crates.io crate palindrome 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2bf0c398fa7d8210a498724d2e3b201c54a4b7015b7c0de6065129dfd02a03eb [INFO] running `Command { std: "docker" "start" "-a" "2bf0c398fa7d8210a498724d2e3b201c54a4b7015b7c0de6065129dfd02a03eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2bf0c398fa7d8210a498724d2e3b201c54a4b7015b7c0de6065129dfd02a03eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bf0c398fa7d8210a498724d2e3b201c54a4b7015b7c0de6065129dfd02a03eb", kill_on_drop: false }` [INFO] [stdout] 2bf0c398fa7d8210a498724d2e3b201c54a4b7015b7c0de6065129dfd02a03eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] df6091d4b6dfa0fcd419316f6521a21caef9070c5c0e2934c0506412f9a61446 [INFO] running `Command { std: "docker" "start" "-a" "df6091d4b6dfa0fcd419316f6521a21caef9070c5c0e2934c0506412f9a61446", kill_on_drop: false }` [INFO] [stderr] Checking palindrome v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.96s [INFO] running `Command { std: "docker" "inspect" "df6091d4b6dfa0fcd419316f6521a21caef9070c5c0e2934c0506412f9a61446", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df6091d4b6dfa0fcd419316f6521a21caef9070c5c0e2934c0506412f9a61446", kill_on_drop: false }` [INFO] [stdout] df6091d4b6dfa0fcd419316f6521a21caef9070c5c0e2934c0506412f9a61446