[INFO] updating cached repository argvk/rust-rocks-serf
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/argvk/rust-rocks-serf
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/argvk/rust-rocks-serf" "work/ex/beta-1.37-6/sources/1.36.0/gh/argvk/rust-rocks-serf"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/argvk/rust-rocks-serf'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/argvk/rust-rocks-serf" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/argvk/rust-rocks-serf"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/argvk/rust-rocks-serf'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0827d8da03eb7d925f0f6f6e546e56cd38bcb88d
[INFO] sha for GitHub repo argvk/rust-rocks-serf: 0827d8da03eb7d925f0f6f6e546e56cd38bcb88d
[INFO] validating manifest of argvk/rust-rocks-serf on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of argvk/rust-rocks-serf on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing argvk/rust-rocks-serf
[INFO] finished frobbing argvk/rust-rocks-serf
[INFO] frobbed toml for argvk/rust-rocks-serf written to work/ex/beta-1.37-6/sources/1.36.0/gh/argvk/rust-rocks-serf/Cargo.toml
[INFO] started frobbing argvk/rust-rocks-serf
[INFO] finished frobbing argvk/rust-rocks-serf
[INFO] frobbed toml for argvk/rust-rocks-serf written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/argvk/rust-rocks-serf/Cargo.toml
[INFO] crate argvk/rust-rocks-serf already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing argvk/rust-rocks-serf against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/argvk/rust-rocks-serf:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f31b0aac7d580cbaf0733c64e619c017680af1b970d679b4dbea1bcea9d57ddf
[INFO] running `"docker" "start" "-a" "f31b0aac7d580cbaf0733c64e619c017680af1b970d679b4dbea1bcea9d57ddf"`
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling md5 v0.2.1
[INFO] [stderr]    Compiling mpack v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.1.0
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling rayon v0.4.3
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]    Compiling librocksdb-sys v0.4.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "f31b0aac7d580cbaf0733c64e619c017680af1b970d679b4dbea1bcea9d57ddf"`
[INFO] running `"docker" "rm" "-f" "f31b0aac7d580cbaf0733c64e619c017680af1b970d679b4dbea1bcea9d57ddf"`
[INFO] [stdout] f31b0aac7d580cbaf0733c64e619c017680af1b970d679b4dbea1bcea9d57ddf