[INFO] crate optimization 0.2.0 is already in cache
[INFO] checking optimization-0.2.0 against try#4662032ab74cd44d423120d08d251dfead4914a0 for pr-72788
[INFO] extracting crate optimization 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate optimization 0.2.0 on toolchain 4662032ab74cd44d423120d08d251dfead4914a0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate optimization 0.2.0
[INFO] finished tweaking crates.io crate optimization 0.2.0
[INFO] tweaked toml for crates.io crate optimization 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate optimization 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] d1c475e0c38dc0d27e361332ab765942b5ed611e42b081d607db5453dabd5658
[INFO] running `"docker" "start" "-a" "d1c475e0c38dc0d27e361332ab765942b5ed611e42b081d607db5453dabd5658"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking optimization v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.87s
[INFO] running `"docker" "inspect" "d1c475e0c38dc0d27e361332ab765942b5ed611e42b081d607db5453dabd5658"`
[INFO] running `"docker" "rm" "-f" "d1c475e0c38dc0d27e361332ab765942b5ed611e42b081d607db5453dabd5658"`
[INFO] [stdout] d1c475e0c38dc0d27e361332ab765942b5ed611e42b081d607db5453dabd5658