[INFO] updating cached repository ashfordneil/looker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ashfordneil/looker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ashfordneil/looker" "work/ex/beta-1.37-6/sources/1.36.0/gh/ashfordneil/looker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ashfordneil/looker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ashfordneil/looker" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ashfordneil/looker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ashfordneil/looker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0227cdebe3afbcfc1fe695f2e773e2ab0bac07fe
[INFO] sha for GitHub repo ashfordneil/looker: 0227cdebe3afbcfc1fe695f2e773e2ab0bac07fe
[INFO] validating manifest of ashfordneil/looker 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 ashfordneil/looker 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 ashfordneil/looker
[INFO] finished frobbing ashfordneil/looker
[INFO] frobbed toml for ashfordneil/looker written to work/ex/beta-1.37-6/sources/1.36.0/gh/ashfordneil/looker/Cargo.toml
[INFO] started frobbing ashfordneil/looker
[INFO] finished frobbing ashfordneil/looker
[INFO] frobbed toml for ashfordneil/looker written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ashfordneil/looker/Cargo.toml
[INFO] crate ashfordneil/looker 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ashfordneil/looker 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/ashfordneil/looker:/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] 9b73f7da335a9c5590a475c2b90428a65b6fd06e3442cf2d7c039c479bd69d5a
[INFO] running `"docker" "start" "-a" "9b73f7da335a9c5590a475c2b90428a65b6fd06e3442cf2d7c039c479bd69d5a"`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling cc v1.0.34
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling variance v0.1.3
[INFO] [stderr]    Compiling scopeguard v0.1.2
[INFO] [stderr]    Compiling census v0.2.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling fst v0.3.3
[INFO] [stderr]    Compiling murmurhash32 v0.2.0
[INFO] [stderr]    Compiling snap v0.2.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling scoped-pool v1.0.0
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling fail v0.2.1
[INFO] [stderr]    Compiling levenshtein_automata v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling bitpacking v0.6.0
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tantivy-fst v0.1.0
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling notify v4.0.10
[INFO] [stderr]    Compiling crossbeam v0.5.0
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling atomicwrites v0.2.2
[INFO] [stderr]    Compiling globset v0.4.2
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling ignore v0.4.6
[INFO] [stderr]    Compiling rental-impl v0.5.2
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling structopt v0.2.15
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr] error: Could not compile `rental-impl`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `bitpacking`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bitpacking /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitpacking-0.6.0/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=3225909fcf8e4398 -C extra-filename=-3225909fcf8e4398 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern crunchy=/opt/crater/target/debug/deps/libcrunchy-f1b4dbdd7a82b621.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" "9b73f7da335a9c5590a475c2b90428a65b6fd06e3442cf2d7c039c479bd69d5a"`
[INFO] running `"docker" "rm" "-f" "9b73f7da335a9c5590a475c2b90428a65b6fd06e3442cf2d7c039c479bd69d5a"`
[INFO] [stdout] 9b73f7da335a9c5590a475c2b90428a65b6fd06e3442cf2d7c039c479bd69d5a