[INFO] crate zju-jw-parser 0.1.5 is already in cache
[INFO] testing zju-jw-parser-0.1.5 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate zju-jw-parser 0.1.5 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate zju-jw-parser 0.1.5 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 crates.io crate zju-jw-parser 0.1.5
[INFO] finished tweaking crates.io crate zju-jw-parser 0.1.5
[INFO] tweaked toml for crates.io crate zju-jw-parser 0.1.5 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] 4079d1f703158037d5dfb83a826dc9e187cf4d63ec07dfde872c209845c49fe0
[INFO] running `"docker" "start" "-a" "4079d1f703158037d5dfb83a826dc9e187cf4d63ec07dfde872c209845c49fe0"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling ego-tree v0.6.2
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling string_cache v0.7.4
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling reformation_derive v0.4.1
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr] error: could not compile `serde_derive`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.101/src/lib.rs --color never --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 --cfg 'feature="default"' -C metadata=20a1cbaded624238 -C extra-filename=-20a1cbaded624238 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-048bba4f0b8057ab.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-a30a2aee94625fba.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-2cffea8b087cdda1.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" "4079d1f703158037d5dfb83a826dc9e187cf4d63ec07dfde872c209845c49fe0"`
[INFO] running `"docker" "rm" "-f" "4079d1f703158037d5dfb83a826dc9e187cf4d63ec07dfde872c209845c49fe0"`
[INFO] [stdout] 4079d1f703158037d5dfb83a826dc9e187cf4d63ec07dfde872c209845c49fe0