[INFO] fetching crate simple-mutex 1.1.5...
[INFO] checking simple-mutex-1.1.5 against try#4662032ab74cd44d423120d08d251dfead4914a0 for pr-72788
[INFO] extracting crate simple-mutex 1.1.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate simple-mutex 1.1.5 on toolchain 4662032ab74cd44d423120d08d251dfead4914a0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate simple-mutex 1.1.5
[INFO] finished tweaking crates.io crate simple-mutex 1.1.5
[INFO] tweaked toml for crates.io crate simple-mutex 1.1.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate simple-mutex 1.1.5 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded event-listener v2.0.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+4662032ab74cd44d423120d08d251dfead4914a0" "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] 598a98913a6f70fd1f77aab8ff9c391ee0a85a1fae167bbfd7f086f52f71ac47
[INFO] running `"docker" "start" "-a" "598a98913a6f70fd1f77aab8ff9c391ee0a85a1fae167bbfd7f086f52f71ac47"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking event-listener v2.0.0
[INFO] [stderr]     Checking simple-mutex v1.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `"docker" "inspect" "598a98913a6f70fd1f77aab8ff9c391ee0a85a1fae167bbfd7f086f52f71ac47"`
[INFO] running `"docker" "rm" "-f" "598a98913a6f70fd1f77aab8ff9c391ee0a85a1fae167bbfd7f086f52f71ac47"`
[INFO] [stdout] 598a98913a6f70fd1f77aab8ff9c391ee0a85a1fae167bbfd7f086f52f71ac47