Dec 12 01:15:43.089 INFO checking Necromunger/rust_api against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 01:15:43.089 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 01:15:43.596 INFO [stdout] 4c52359d52e3453d260a0b3e517242e3355665c8c2e64b12827e3f69c5f7b9cf
Dec 12 01:15:43.598 INFO running `"docker" "start" "-a" "4c52359d52e3453d260a0b3e517242e3355665c8c2e64b12827e3f69c5f7b9cf"`
Dec 12 01:15:45.604 INFO [stderr] usermod: no changes
Dec 12 01:15:46.199 INFO [stderr]    Compiling syn v0.15.15
Dec 12 01:15:46.212 INFO [stderr]     Checking postgres-shared v0.4.2
Dec 12 01:15:51.115 INFO [stderr]     Checking postgres v0.15.2
Dec 12 01:15:53.837 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 12 01:16:04.196 INFO [stderr]     Checking rust_api v0.1.0 (/source)
Dec 12 01:16:12.983 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.34s
Dec 12 01:16:12.998 INFO [stderr] su: No module specific data is present
Dec 12 01:16:13.772 INFO running `"docker" "inspect" "4c52359d52e3453d260a0b3e517242e3355665c8c2e64b12827e3f69c5f7b9cf"`
Dec 12 01:16:14.052 INFO running `"docker" "rm" "-f" "4c52359d52e3453d260a0b3e517242e3355665c8c2e64b12827e3f69c5f7b9cf"`
Dec 12 01:16:14.424 INFO [stdout] 4c52359d52e3453d260a0b3e517242e3355665c8c2e64b12827e3f69c5f7b9cf