[INFO] updating cached repository https://github.com/alxeg/flibooks-es
[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] ab36e84a62c78c2b95da8a6a6277a0dc12b8f97d
[INFO] testing alxeg/flibooks-es against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Falxeg%2Fflibooks-es" "work/builds/worker-9/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alxeg/flibooks-es on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/alxeg/flibooks-es
[INFO] finished tweaking git repo https://github.com/alxeg/flibooks-es
[INFO] tweaked toml for git repo https://github.com/alxeg/flibooks-es written to work/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/alxeg/flibooks-es already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] b33847f3f314b85a0be7bfd997172515b3b0aaa406a1007e9974088e30363aff
[INFO] running `"docker" "start" "-a" "b33847f3f314b85a0be7bfd997172515b3b0aaa406a1007e9974088e30363aff"`
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling pdqselect v0.1.0
[INFO] [stderr]    Compiling clamp v0.1.0
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling elastic_requests v0.20.10
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]    Compiling tokio-sync v0.1.3
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling nom v4.2.2
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling alga v0.8.2
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling uuid v0.7.2
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-threadpool v0.1.12
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling geo v0.4.13
[INFO] [stderr]    Compiling elastic_responses v0.20.10
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling serde_yaml v0.8.8
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling config v0.9.2
[INFO] [stderr]    Compiling nalgebra v0.17.2
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling geohash v0.4.0
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="aster"' --cfg 'feature="default"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="quote"' --cfg 'feature="synom"' --cfg 'feature="unicode-xid"' --cfg 'feature="visit"' -C metadata=1355b453354f3050 -C extra-filename=-1355b453354f3050 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern quote=/opt/rustwide/target/debug/deps/libquote-6da51fa4b2534511.rmeta --extern synom=/opt/rustwide/target/debug/deps/libsynom-80e7d1a48ba4a0ff.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-88524138fdbfd817.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: build failed
[INFO] running `"docker" "inspect" "b33847f3f314b85a0be7bfd997172515b3b0aaa406a1007e9974088e30363aff"`
[INFO] running `"docker" "rm" "-f" "b33847f3f314b85a0be7bfd997172515b3b0aaa406a1007e9974088e30363aff"`
[INFO] [stdout] b33847f3f314b85a0be7bfd997172515b3b0aaa406a1007e9974088e30363aff