[INFO] crate pretty_trace 0.3.0 is already in cache
[INFO] checking pretty_trace-0.3.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate pretty_trace 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pretty_trace 0.3.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pretty_trace 0.3.0
[INFO] finished tweaking crates.io crate pretty_trace 0.3.0
[INFO] tweaked toml for crates.io crate pretty_trace 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate pretty_trace 0.3.0 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 95109779a298bf71765bc0a60f681224e8f0c59ae7a9a9a03112856dff25f5ef
[INFO] running `"docker" "start" "-a" "95109779a298bf71765bc0a60f681224e8f0c59ae7a9a9a03112856dff25f5ef"`
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking stats_utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking lz4-sys v1.8.3
[INFO] [stderr]     Checking nix v0.13.1
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking vector_utils v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.45
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking string_utils v0.1.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling lz4 v1.23.1
[INFO] [stderr]     Checking io_utils v0.2.4
[INFO] [stderr]     Checking pretty_trace v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.30s
[INFO] running `"docker" "inspect" "95109779a298bf71765bc0a60f681224e8f0c59ae7a9a9a03112856dff25f5ef"`
[INFO] running `"docker" "rm" "-f" "95109779a298bf71765bc0a60f681224e8f0c59ae7a9a9a03112856dff25f5ef"`
[INFO] [stdout] 95109779a298bf71765bc0a60f681224e8f0c59ae7a9a9a03112856dff25f5ef