[INFO] crate k12sum 0.1.1 is already in cache
[INFO] checking k12sum-0.1.1 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate k12sum 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate k12sum 0.1.1 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate k12sum 0.1.1
[INFO] finished tweaking crates.io crate k12sum 0.1.1
[INFO] tweaked toml for crates.io crate k12sum 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate k12sum 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] ca2fe52f4bddc910e530eb499c0f3cd675682c3dcafb78a931091b238bb89ad6
[INFO] running `"docker" "start" "-a" "ca2fe52f4bddc910e530eb499c0f3cd675682c3dcafb78a931091b238bb89ad6"`
[INFO] [stderr]    Compiling kangarootwelve_xkcp v0.1.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking os_pipe v0.9.1
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking duct v0.13.3
[INFO] [stderr]     Checking k12sum v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking escargot v0.5.0
[INFO] [stderr]     Checking assert_cmd v0.12.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.77s
[INFO] running `"docker" "inspect" "ca2fe52f4bddc910e530eb499c0f3cd675682c3dcafb78a931091b238bb89ad6"`
[INFO] running `"docker" "rm" "-f" "ca2fe52f4bddc910e530eb499c0f3cd675682c3dcafb78a931091b238bb89ad6"`
[INFO] [stdout] ca2fe52f4bddc910e530eb499c0f3cd675682c3dcafb78a931091b238bb89ad6