[INFO] crate rayon 1.2.1 is already in cache
[INFO] checking rayon-1.2.1 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66852
[INFO] extracting crate rayon 1.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rayon 1.2.1 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rayon 1.2.1
[INFO] finished tweaking crates.io crate rayon 1.2.1
[INFO] tweaked toml for crates.io crate rayon 1.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate rayon 1.2.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] e43c339909a1328f93e53fd87714e01171d74406af4b18cf506d6cb4d8fb46cc
[INFO] running `"docker" "start" "-a" "e43c339909a1328f93e53fd87714e01171d74406af4b18cf506d6cb4d8fb46cc"`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rayon-core v1.6.1
[INFO] [stderr]     Checking rayon v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.54s
[INFO] running `"docker" "inspect" "e43c339909a1328f93e53fd87714e01171d74406af4b18cf506d6cb4d8fb46cc"`
[INFO] running `"docker" "rm" "-f" "e43c339909a1328f93e53fd87714e01171d74406af4b18cf506d6cb4d8fb46cc"`
[INFO] [stdout] e43c339909a1328f93e53fd87714e01171d74406af4b18cf506d6cb4d8fb46cc