[INFO] crate arc-swap 0.4.6 is already in cache
[INFO] checking arc-swap-0.4.6 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate arc-swap 0.4.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate arc-swap 0.4.6 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate arc-swap 0.4.6
[INFO] finished tweaking crates.io crate arc-swap 0.4.6
[INFO] tweaked toml for crates.io crate arc-swap 0.4.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] e890787005a09cde708d58583a63d16c18ad4bd031acbca55f4bdb4d0444a2cb
[INFO] running `"docker" "start" "-a" "e890787005a09cde708d58583a63d16c18ad4bd031acbca55f4bdb4d0444a2cb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pulldown-cmark v0.7.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking arc-swap v0.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking quote v1.0.6
[INFO] [stderr]     Checking syn v1.0.23
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking version-sync v0.9.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.40s
[INFO] running `"docker" "inspect" "e890787005a09cde708d58583a63d16c18ad4bd031acbca55f4bdb4d0444a2cb"`
[INFO] running `"docker" "rm" "-f" "e890787005a09cde708d58583a63d16c18ad4bd031acbca55f4bdb4d0444a2cb"`
[INFO] [stdout] e890787005a09cde708d58583a63d16c18ad4bd031acbca55f4bdb4d0444a2cb