[INFO] crate uavcan-derive 0.1.0-preview0 is already in cache
[INFO] checking uavcan-derive-0.1.0-preview0 against master#339f574809bf8e4166b8de3cdbe7df181d37af3d for pr-71896
[INFO] extracting crate uavcan-derive 0.1.0-preview0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate uavcan-derive 0.1.0-preview0 on toolchain 339f574809bf8e4166b8de3cdbe7df181d37af3d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate uavcan-derive 0.1.0-preview0
[INFO] finished tweaking crates.io crate uavcan-derive 0.1.0-preview0
[INFO] tweaked toml for crates.io crate uavcan-derive 0.1.0-preview0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e599c62489680d56b2706a207ec53d522dd4d6adaa7a6a3ddce36a7140fb88a
[INFO] running `"docker" "start" "-a" "5e599c62489680d56b2706a207ec53d522dd4d6adaa7a6a3ddce36a7140fb88a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking uavcan-derive v0.1.0-preview0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `"docker" "inspect" "5e599c62489680d56b2706a207ec53d522dd4d6adaa7a6a3ddce36a7140fb88a"`
[INFO] running `"docker" "rm" "-f" "5e599c62489680d56b2706a207ec53d522dd4d6adaa7a6a3ddce36a7140fb88a"`
[INFO] [stdout] 5e599c62489680d56b2706a207ec53d522dd4d6adaa7a6a3ddce36a7140fb88a