[INFO] updating cached repository polyswarm/polyswarm-relay
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/polyswarm/polyswarm-relay
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/polyswarm/polyswarm-relay" "work/ex/beta-1.37-6/sources/1.36.0/gh/polyswarm/polyswarm-relay"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/polyswarm/polyswarm-relay'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/polyswarm/polyswarm-relay" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/polyswarm/polyswarm-relay"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/polyswarm/polyswarm-relay'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0ecbd3e6df41ae5da9c238d1a468e30054f2cb65
[INFO] sha for GitHub repo polyswarm/polyswarm-relay: 0ecbd3e6df41ae5da9c238d1a468e30054f2cb65
[INFO] validating manifest of polyswarm/polyswarm-relay 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 polyswarm/polyswarm-relay 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 polyswarm/polyswarm-relay
[INFO] finished frobbing polyswarm/polyswarm-relay
[INFO] frobbed toml for polyswarm/polyswarm-relay written to work/ex/beta-1.37-6/sources/1.36.0/gh/polyswarm/polyswarm-relay/Cargo.toml
[INFO] started frobbing polyswarm/polyswarm-relay
[INFO] finished frobbing polyswarm/polyswarm-relay
[INFO] frobbed toml for polyswarm/polyswarm-relay written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/polyswarm/polyswarm-relay/Cargo.toml
[INFO] crate polyswarm/polyswarm-relay 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] [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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing polyswarm/polyswarm-relay 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-7/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/polyswarm/polyswarm-relay:/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] 4a0b0ae738ee808da40c9ed9ac5b56dc42f2c2702bc597c0f27a2d7c84c062e7
[INFO] running `"docker" "start" "-a" "4a0b0ae738ee808da40c9ed9ac5b56dc42f2c2702bc597c0f27a2d7c84c062e7"`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling pkg-config v0.3.10
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling serde v1.0.43
[INFO] [stderr]    Compiling rustc-hex v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling base64 v0.9.1
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling atty v0.2.9
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling openssl-sys v0.9.28
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling tiny-keccak v1.4.1
[INFO] [stderr]    Compiling tokio-executor v0.1.2
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling fixed-hash v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.2.13
[INFO] [stderr]    Compiling uint v0.2.0
[INFO] [stderr]    Compiling ethereum-types v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.3.0
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling mime v0.3.5
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling tokio-timer v0.2.1
[INFO] [stderr]    Compiling mio-uds v0.6.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.5.4
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling ctrlc v3.1.0
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling ethereum-types-serialize v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.16
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr] error: Could not compile `tiny-keccak`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tiny_keccak /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tiny-keccak-1.4.1/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=d4f08adc93fdf3f8 -C extra-filename=-d4f08adc93fdf3f8 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern crunchy=/opt/crater/target/debug/deps/libcrunchy-3a8d30909bc52e10.rlib --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4a0b0ae738ee808da40c9ed9ac5b56dc42f2c2702bc597c0f27a2d7c84c062e7"`
[INFO] running `"docker" "rm" "-f" "4a0b0ae738ee808da40c9ed9ac5b56dc42f2c2702bc597c0f27a2d7c84c062e7"`
[INFO] [stdout] 4a0b0ae738ee808da40c9ed9ac5b56dc42f2c2702bc597c0f27a2d7c84c062e7