[INFO] updating cached repository https://github.com/matterinc/plasma_winter
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 923297a9ac6bae1a2923b36354686ed5b824949e
[INFO] testing matterinc/plasma_winter against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatterinc%2Fplasma_winter" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matterinc/plasma_winter on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/matterinc/plasma_winter
[INFO] finished tweaking git repo https://github.com/matterinc/plasma_winter
[INFO] tweaked toml for git repo https://github.com/matterinc/plasma_winter written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/matterinc/plasma_winter already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 3888f511eca9405dccc23a4970ade2ead81c46ba0b2f1479c86031a873a8c655
[INFO] running `"docker" "start" "-a" "3888f511eca9405dccc23a4970ade2ead81c46ba0b2f1479c86031a873a8c655"`
[INFO] [stderr]    Compiling serde v1.0.81
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling rustc-hex v2.0.1
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling secp256k1 v0.11.5
[INFO] [stderr]    Compiling actix-web v0.7.15
[INFO] [stderr]    Compiling base64 v0.10.0
[INFO] [stderr]    Compiling signal-hook v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling pbr v1.0.1
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling tiny-keccak v1.4.2
[INFO] [stderr]    Compiling libflate v0.1.19
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.81
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling blake2-rfc v0.2.18 (https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9#7a5b5fc9)
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling http v0.1.14
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling cookie v0.11.0
[INFO] [stderr]    Compiling fixed-hash v0.2.5
[INFO] [stderr]    Compiling uint v0.4.1
[INFO] [stderr]    Compiling elastic-array v0.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-tls v0.2.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling crossbeam-channel v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling parking_lot v0.7.0
[INFO] [stderr]    Compiling ff_derive v0.3.0
[INFO] [stderr] error: Could not compile `http`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name http /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-0.1.14/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=80f70b826cd3f102 -C extra-filename=-80f70b826cd3f102 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-1f813deb470ccc89.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-51dd7c2b44b560c1.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-29042d2791be6b24.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `regex`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.1.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="use_std"' -C metadata=34ab2cf97bfeee09 -C extra-filename=-34ab2cf97bfeee09 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-e41bb252eb3fd955.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-c2ad50fd885b3b3a.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-3f58aa838d826a94.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-b544aed46a18af40.rmeta --extern utf8_ranges=/opt/rustwide/target/debug/deps/libutf8_ranges-2ecf85411342b9e6.rmeta --cap-lints allow --cap-lints=warn --cfg regex_runtime_teddy_ssse3 --cfg regex_runtime_teddy_avx2` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3888f511eca9405dccc23a4970ade2ead81c46ba0b2f1479c86031a873a8c655"`
[INFO] running `"docker" "rm" "-f" "3888f511eca9405dccc23a4970ade2ead81c46ba0b2f1479c86031a873a8c655"`
[INFO] [stdout] 3888f511eca9405dccc23a4970ade2ead81c46ba0b2f1479c86031a873a8c655