[INFO] updating cached repository jacobmischka/corkboard-backend
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jacobmischka/corkboard-backend
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jacobmischka/corkboard-backend" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jacobmischka/corkboard-backend"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jacobmischka/corkboard-backend'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jacobmischka/corkboard-backend" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jacobmischka/corkboard-backend"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jacobmischka/corkboard-backend'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 99d9e368662477147189945242963c1b4488c230
[INFO] sha for GitHub repo jacobmischka/corkboard-backend: 99d9e368662477147189945242963c1b4488c230
[INFO] validating manifest of jacobmischka/corkboard-backend on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jacobmischka/corkboard-backend on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jacobmischka/corkboard-backend
[INFO] finished frobbing jacobmischka/corkboard-backend
[INFO] frobbed toml for jacobmischka/corkboard-backend written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jacobmischka/corkboard-backend/Cargo.toml
[INFO] started frobbing jacobmischka/corkboard-backend
[INFO] finished frobbing jacobmischka/corkboard-backend
[INFO] frobbed toml for jacobmischka/corkboard-backend written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/jacobmischka/corkboard-backend/Cargo.toml
[INFO] crate jacobmischka/corkboard-backend has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jacobmischka/corkboard-backend against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/jacobmischka/corkboard-backend:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 3b9ce5f98f4f1ec8327d82b594108cd35ccac8d7bc5a532126a9ec556816f7b8
[INFO] running `"docker" "start" "-a" "3b9ce5f98f4f1ec8327d82b594108cd35ccac8d7bc5a532126a9ec556816f7b8"`
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling uom v0.20.1
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling actix_derive v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling diesel v1.3.3
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling trust-dns-proto v0.5.0
[INFO] [stderr]    Compiling h2 v0.1.13
[INFO] [stderr]    Compiling actix v0.7.5
[INFO] [stderr]    Compiling nalgebra v0.16.8
[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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.14.9/src/lib.rs --color never --crate-type lib --emit=dep-info,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="proc-macro2"' --cfg 'feature="quote"' -C metadata=4666aa440e9094c6 -C extra-filename=-4666aa440e9094c6 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern proc_macro2=/opt/crater/target/debug/deps/libproc_macro2-af46d3d433ccf870.rlib --extern quote=/opt/crater/target/debug/deps/libquote-f56f9a51c990730c.rlib --extern unicode_xid=/opt/crater/target/debug/deps/libunicode_xid-3b4387192e00ecb7.rlib --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3b9ce5f98f4f1ec8327d82b594108cd35ccac8d7bc5a532126a9ec556816f7b8"`
[INFO] running `"docker" "rm" "-f" "3b9ce5f98f4f1ec8327d82b594108cd35ccac8d7bc5a532126a9ec556816f7b8"`
[INFO] [stdout] 3b9ce5f98f4f1ec8327d82b594108cd35ccac8d7bc5a532126a9ec556816f7b8