[INFO] fetching crate pretty_trace 0.2.1...
[INFO] checking pretty_trace-0.2.1 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate pretty_trace 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pretty_trace 0.2.1 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pretty_trace 0.2.1
[INFO] finished tweaking crates.io crate pretty_trace 0.2.1
[INFO] tweaked toml for crates.io crate pretty_trace 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate pretty_trace 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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-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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 959345f14fa75d2bb1fae5f7cb155fd097086a9f6659e9075f70dd1985aa2e0a
[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" "959345f14fa75d2bb1fae5f7cb155fd097086a9f6659e9075f70dd1985aa2e0a"`
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking stats_utils v0.1.0
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking vector_utils v0.1.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking string_utils v0.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[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 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "959345f14fa75d2bb1fae5f7cb155fd097086a9f6659e9075f70dd1985aa2e0a"`
[INFO] running `"docker" "rm" "-f" "959345f14fa75d2bb1fae5f7cb155fd097086a9f6659e9075f70dd1985aa2e0a"`
[INFO] [stdout] 959345f14fa75d2bb1fae5f7cb155fd097086a9f6659e9075f70dd1985aa2e0a