[INFO] updating cached repository https://github.com/jonkgrimes/juno-server
[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] 4c8ede93369c56bff09a3ef45e405715a786a5bf
[INFO] testing jonkgrimes/juno-server against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonkgrimes%2Fjuno-server" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonkgrimes/juno-server 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/jonkgrimes/juno-server
[INFO] finished tweaking git repo https://github.com/jonkgrimes/juno-server
[INFO] tweaked toml for git repo https://github.com/jonkgrimes/juno-server written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jonkgrimes/juno-server 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/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] c84f9e35e6501a97738630959c057e73a56ee4a34d24fc6411ad8cea95bb0f70
[INFO] running `"docker" "start" "-a" "c84f9e35e6501a97738630959c057e73a56ee4a34d24fc6411ad8cea95bb0f70"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ipnetwork v0.12.8
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]    Compiling http v0.1.8
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling tokio-reactor v0.1.2
[INFO] [stderr]    Compiling flate2 v1.0.2
[INFO] [stderr]    Compiling chrono v0.4.5
[INFO] [stderr]    Compiling cookie v0.11.0
[INFO] [stderr]    Compiling dotenv v0.9.0
[INFO] [stderr]    Compiling env_logger v0.5.11
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling tokio-fs v0.1.2
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling diesel v1.3.3
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-signal v0.2.1
[INFO] [stderr]    Compiling tera v0.11.11
[INFO] [stderr]    Compiling trust-dns-proto v0.4.0
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling h2 v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling trust-dns-resolver v0.9.0
[INFO] [stderr]    Compiling synstructure v0.9.0
[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-0.14.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=1c607bc0909eee11 -C extra-filename=-1c607bc0909eee11 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-97cb7ddf1ffbcb11.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-340ac3a862cf2b38.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-db534cf3c78b3692.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" "c84f9e35e6501a97738630959c057e73a56ee4a34d24fc6411ad8cea95bb0f70"`
[INFO] running `"docker" "rm" "-f" "c84f9e35e6501a97738630959c057e73a56ee4a34d24fc6411ad8cea95bb0f70"`
[INFO] [stdout] c84f9e35e6501a97738630959c057e73a56ee4a34d24fc6411ad8cea95bb0f70