[INFO] fetching crate cargo-cache 0.3.1...
[INFO] checking cargo-cache-0.3.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate cargo-cache 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cargo-cache 0.3.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cargo-cache 0.3.1
[INFO] finished tweaking crates.io crate cargo-cache 0.3.1
[INFO] tweaked toml for crates.io crate cargo-cache 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cargo-cache 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] db0cd02d09d811ebc58061a5946dcc2878c8f17e811c62be3b7bf68e8a38fe57
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "db0cd02d09d811ebc58061a5946dcc2878c8f17e811c62be3b7bf68e8a38fe57"`
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling rustc_tools_util v0.2.0
[INFO] [stderr]     Checking percent-encoding v2.0.0
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking path-slash v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.10
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking url v2.0.0
[INFO] [stderr]    Compiling cargo-cache v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.8.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking cargo_metadata v0.8.1
[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking git2 v0.9.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `"docker" "inspect" "db0cd02d09d811ebc58061a5946dcc2878c8f17e811c62be3b7bf68e8a38fe57"`
[INFO] running `"docker" "rm" "-f" "db0cd02d09d811ebc58061a5946dcc2878c8f17e811c62be3b7bf68e8a38fe57"`
[INFO] [stdout] db0cd02d09d811ebc58061a5946dcc2878c8f17e811c62be3b7bf68e8a38fe57