[INFO] crate iref-enum 1.0.0 is already in cache
[INFO] checking iref-enum-1.0.0 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate iref-enum 1.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate iref-enum 1.0.0 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate iref-enum 1.0.0
[INFO] finished tweaking crates.io crate iref-enum 1.0.0
[INFO] tweaked toml for crates.io crate iref-enum 1.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate iref-enum 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 6744bf09717a796f41f981d2418fab4575f2a8ce6fd10c8a52e6ee3d2b82d8c5
[INFO] running `"docker" "start" "-a" "6744bf09717a796f41f981d2418fab4575f2a8ce6fd10c8a52e6ee3d2b82d8c5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling pct-str v1.0.2
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking proc-macro2 v1.0.10
[INFO] [stderr]    Compiling iref v1.1.5
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling static-iref v1.0.0
[INFO] [stderr]     Checking iref-enum v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.05s
[INFO] running `"docker" "inspect" "6744bf09717a796f41f981d2418fab4575f2a8ce6fd10c8a52e6ee3d2b82d8c5"`
[INFO] running `"docker" "rm" "-f" "6744bf09717a796f41f981d2418fab4575f2a8ce6fd10c8a52e6ee3d2b82d8c5"`
[INFO] [stdout] 6744bf09717a796f41f981d2418fab4575f2a8ce6fd10c8a52e6ee3d2b82d8c5