[INFO] updating cached repository https://github.com/alexlarsson/repo-manager
[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] 56509ed0bd64dc9ea582849df486d10f68444273
[INFO] testing alexlarsson/repo-manager against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexlarsson%2Frepo-manager" "work/builds/worker-10/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexlarsson/repo-manager 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/alexlarsson/repo-manager
[INFO] finished tweaking git repo https://github.com/alexlarsson/repo-manager
[INFO] tweaked toml for git repo https://github.com/alexlarsson/repo-manager written to work/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/alexlarsson/repo-manager 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/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] c35729fc2cd82fe9b98442ac4f99e77556d211ad41f280d65c7c2fda8377e5c1
[INFO] running `"docker" "start" "-a" "c35729fc2cd82fe9b98442ac4f99e77556d211ad41f280d65c7c2fda8377e5c1"`
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]    Compiling r2d2 v0.8.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling tokio-io v0.1.9
[INFO] [stderr]    Compiling tempfile v3.0.4
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.0
[INFO] [stderr]    Compiling syn v0.15.11
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling diesel_derives v1.3.0
[INFO] [stderr]    Compiling serde_urlencoded v0.5.3
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.7
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling error-chain v0.1.12
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling flate2 v1.0.3
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.2
[INFO] [stderr]    Compiling tokio-signal v0.2.5
[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 --color never --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"' -C metadata=2076f2e7de112a70 -C extra-filename=-2076f2e7de112a70 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern quote=/opt/rustwide/target/debug/deps/libquote-79c16302673b45e1.rmeta --extern synom=/opt/rustwide/target/debug/deps/libsynom-5f916f87b8380870.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-0bb83c06b813dfe5.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" "c35729fc2cd82fe9b98442ac4f99e77556d211ad41f280d65c7c2fda8377e5c1"`
[INFO] running `"docker" "rm" "-f" "c35729fc2cd82fe9b98442ac4f99e77556d211ad41f280d65c7c2fda8377e5c1"`
[INFO] [stdout] c35729fc2cd82fe9b98442ac4f99e77556d211ad41f280d65c7c2fda8377e5c1