Nov 28 03:43:26.877 INFO checking jacobmischka/corkboard-backend against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 03:43:26.878 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 03:43:27.347 INFO [stdout] 773bbd482601d18f3ff7c1fe1246cf0978b8c06acd3c21428d9f19dc7f9645f7
Nov 28 03:43:27.349 INFO running `"docker" "start" "-a" "773bbd482601d18f3ff7c1fe1246cf0978b8c06acd3c21428d9f19dc7f9645f7"`
Nov 28 03:43:29.403 INFO [stderr] usermod: no changes
Nov 28 03:43:29.991 INFO [stderr]    Compiling num-complex v0.2.1
Nov 28 03:43:29.992 INFO [stderr]    Compiling num-bigint v0.2.1
Nov 28 03:43:29.992 INFO [stderr]    Compiling matrixmultiply v0.1.15
Nov 28 03:43:30.013 INFO [stderr]     Checking libm v0.1.2
Nov 28 03:43:30.044 INFO [stderr]     Checking uuid v0.6.5
Nov 28 03:43:30.047 INFO [stderr]    Compiling regex-syntax v0.6.2
Nov 28 03:43:30.051 INFO [stderr]     Checking generic-array v0.11.1
Nov 28 03:43:30.063 INFO [stderr]     Checking uom v0.20.1
Nov 28 03:43:34.279 INFO [stderr]     Checking indexmap v1.0.2
Nov 28 03:43:34.677 INFO [stderr]    Compiling syn v0.15.18
Nov 28 03:43:35.462 INFO [stderr]    Compiling syn v0.14.9
Nov 28 03:43:35.890 INFO [stderr]     Checking num-iter v0.1.37
Nov 28 03:43:36.794 INFO [stderr]     Checking diesel v1.3.3
Nov 28 03:43:43.385 INFO [stderr]     Checking h2 v0.1.13
Nov 28 03:43:44.220 INFO [stderr]     Checking tokio-signal v0.2.6
Nov 28 03:43:52.856 INFO [stderr]     Checking alga v0.7.2
Nov 28 03:43:55.256 INFO [stderr]     Checking trust-dns-proto v0.4.3
Nov 28 03:44:06.564 INFO [stderr]     Checking num-rational v0.2.1
Nov 28 03:44:14.703 INFO [stderr]     Checking nalgebra v0.16.8
Nov 28 03:44:14.766 INFO [stderr]     Checking num v0.2.0
Nov 28 03:44:15.222 INFO [stderr]    Compiling regex v1.0.5
Nov 28 03:44:19.408 INFO [stderr]     Checking trust-dns-resolver v0.9.1
Nov 28 03:44:40.500 INFO [stderr] error: Could not compile `syn`.
Nov 28 03:44:40.500 INFO [stderr] 
Nov 28 03:44:40.500 INFO [stderr] Caused by:
Nov 28 03:44:40.500 INFO [stderr]   process didn't exit successfully: `rustc --crate-name syn /cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.18/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"' --cfg 'feature="visit"' -C metadata=217ca916e5454c72 -C extra-filename=-217ca916e5454c72 --out-dir /target/debug/deps -L dependency=/target/debug/deps --extern proc_macro2=/target/debug/deps/libproc_macro2-c541625a2818a6e6.rlib --extern quote=/target/debug/deps/libquote-e007724931130934.rlib --extern unicode_xid=/target/debug/deps/libunicode_xid-db69901e928c710c.rlib --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
Nov 28 03:44:40.500 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 28 03:45:22.255 INFO [stderr] error: build failed
Nov 28 03:45:22.255 INFO [stderr] su: No module specific data is present
Nov 28 03:45:23.357 INFO running `"docker" "inspect" "773bbd482601d18f3ff7c1fe1246cf0978b8c06acd3c21428d9f19dc7f9645f7"`
Nov 28 03:45:23.743 INFO running `"docker" "rm" "-f" "773bbd482601d18f3ff7c1fe1246cf0978b8c06acd3c21428d9f19dc7f9645f7"`
Nov 28 03:45:24.024 INFO [stdout] 773bbd482601d18f3ff7c1fe1246cf0978b8c06acd3c21428d9f19dc7f9645f7