[INFO] crate cargo-cache 0.4.2 is already in cache
[INFO] checking cargo-cache-0.4.2 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate cargo-cache 0.4.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo-cache 0.4.2 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cargo-cache 0.4.2
[INFO] finished tweaking crates.io crate cargo-cache 0.4.2
[INFO] tweaked toml for crates.io crate cargo-cache 0.4.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cargo-cache 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] bf4c75fa8bfc82400522700af27b9a87cb08b67d63cfe863c4426bd6afc63fce
[INFO] running `"docker" "start" "-a" "bf4c75fa8bfc82400522700af27b9a87cb08b67d63cfe863c4426bd6afc63fce"`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling rustc_tools_util v0.2.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking path-slash v0.1.1
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling cargo-cache v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.12.0+0.99.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking git2 v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `"docker" "inspect" "bf4c75fa8bfc82400522700af27b9a87cb08b67d63cfe863c4426bd6afc63fce"`
[INFO] running `"docker" "rm" "-f" "bf4c75fa8bfc82400522700af27b9a87cb08b67d63cfe863c4426bd6afc63fce"`
[INFO] [stdout] bf4c75fa8bfc82400522700af27b9a87cb08b67d63cfe863c4426bd6afc63fce