[INFO] fetching crate pretty_trace 0.2.4...
[INFO] checking pretty_trace-0.2.4 against try#98d5ea1855f1028095b37c493ba31093c8519d68 for pr-69548
[INFO] extracting crate pretty_trace 0.2.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pretty_trace 0.2.4 on toolchain 98d5ea1855f1028095b37c493ba31093c8519d68
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pretty_trace 0.2.4
[INFO] finished tweaking crates.io crate pretty_trace 0.2.4
[INFO] tweaked toml for crates.io crate pretty_trace 0.2.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate pretty_trace 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 642486db4aeefbd2da341e312993b20108c3ed59a30681e5b3931989ea6a5cd8
[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" "642486db4aeefbd2da341e312993b20108c3ed59a30681e5b3931989ea6a5cd8"`
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking stats_utils v0.1.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking lz4-sys v1.8.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking vector_utils v0.1.0
[INFO] [stderr]     Checking string_utils v0.1.0
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[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 v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.76s
[INFO] running `"docker" "inspect" "642486db4aeefbd2da341e312993b20108c3ed59a30681e5b3931989ea6a5cd8"`
[INFO] running `"docker" "rm" "-f" "642486db4aeefbd2da341e312993b20108c3ed59a30681e5b3931989ea6a5cd8"`
[INFO] [stdout] 642486db4aeefbd2da341e312993b20108c3ed59a30681e5b3931989ea6a5cd8