[INFO] fetching crate option_set 0.1.3...
[INFO] checking option_set-0.1.3 against master#f9fdf642bab2bfcabe1829a4c82aaf055330661b for pr-73102
[INFO] extracting crate option_set 0.1.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate option_set 0.1.3 on toolchain f9fdf642bab2bfcabe1829a4c82aaf055330661b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate option_set 0.1.3
[INFO] finished tweaking crates.io crate option_set 0.1.3
[INFO] tweaked toml for crates.io crate option_set 0.1.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "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" "+f9fdf642bab2bfcabe1829a4c82aaf055330661b" "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] bcf285fd56b8609a8da687a46872550d1841e5114b817ef2c4a4ffb56f6259aa
[INFO] running `"docker" "start" "-a" "bcf285fd56b8609a8da687a46872550d1841e5114b817ef2c4a4ffb56f6259aa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking option_set v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.60s
[INFO] running `"docker" "inspect" "bcf285fd56b8609a8da687a46872550d1841e5114b817ef2c4a4ffb56f6259aa"`
[INFO] running `"docker" "rm" "-f" "bcf285fd56b8609a8da687a46872550d1841e5114b817ef2c4a4ffb56f6259aa"`
[INFO] [stdout] bcf285fd56b8609a8da687a46872550d1841e5114b817ef2c4a4ffb56f6259aa