Dec 19 10:02:14.302 INFO checking rofrol/actix-sync-arbiter-trying against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:02:14.302 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/rofrol/actix-sync-arbiter-trying:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:02:14.772 INFO [stdout] 16cccb7146eca2955d3fdc1a3f78262818e48e820c00ea0bf47eb2010deb2f1f
Dec 19 10:02:14.774 INFO running `"docker" "start" "-a" "16cccb7146eca2955d3fdc1a3f78262818e48e820c00ea0bf47eb2010deb2f1f"`
Dec 19 10:02:17.348 INFO [stderr]    Compiling libc v0.2.36
Dec 19 10:02:17.348 INFO [stderr]    Compiling rustc-demangle v0.1.6
Dec 19 10:02:17.375 INFO [stderr]     Checking hostname v0.1.4
Dec 19 10:02:17.392 INFO [stderr]    Compiling num-traits v0.1.43
Dec 19 10:02:17.394 INFO [stderr]     Checking parking_lot_core v0.2.13
Dec 19 10:02:17.395 INFO [stderr]    Compiling serde_derive_internals v0.19.0
Dec 19 10:02:17.395 INFO [stderr]     Checking mio v0.6.13
Dec 19 10:02:18.322 INFO [stderr]     Checking tokio-io v0.1.5
Dec 19 10:02:18.598 INFO [stderr]     Checking uuid v0.5.1
Dec 19 10:02:18.766 INFO [stderr]    Compiling serde_json v1.0.9
Dec 19 10:02:21.566 INFO [stderr]     Checking resolv-conf v0.6.0
Dec 19 10:02:21.606 INFO [stderr]     Checking backtrace v0.2.3
Dec 19 10:02:21.698 INFO [stderr]     Checking backtrace v0.3.5
Dec 19 10:02:23.903 INFO [stderr]     Checking parking_lot v0.4.8
Dec 19 10:02:24.422 INFO [stderr]     Checking error-chain v0.1.12
Dec 19 10:02:24.718 INFO [stderr]     Checking failure v0.1.1
Dec 19 10:02:26.089 INFO [stderr]    Compiling backtrace-sys v0.1.16
Dec 19 10:02:28.395 INFO [stderr]    Compiling rand v0.4.2
Dec 19 10:02:29.074 INFO [stderr]     Checking tokio-core v0.1.12
Dec 19 10:02:29.157 INFO [stderr]     Checking mio-uds v0.6.4
Dec 19 10:02:30.721 INFO [stderr]     Checking crossbeam-channel v0.1.2
Dec 19 10:02:32.753 INFO [stderr]    Compiling serde_derive v1.0.27
Dec 19 10:02:32.900 INFO [stderr]    Compiling error-chain v0.11.0
Dec 19 10:02:37.460 INFO [stderr]     Checking trust-dns-proto v0.3.1
Dec 19 10:02:37.460 INFO [stderr]     Checking tokio-signal v0.1.4
Dec 19 10:02:39.756 INFO [stderr]    Compiling tempdir v0.3.6
Dec 19 10:02:39.756 INFO [stderr]    Compiling rand v0.3.22
Dec 19 10:02:40.277 INFO [stderr]    Compiling actix_derive v0.2.0
Dec 19 10:02:48.676 INFO [stderr]     Checking trust-dns-resolver v0.8.1
Dec 19 10:02:49.304 INFO [stderr]    Compiling cargo_metadata v0.3.3
Dec 19 10:02:52.834 INFO [stderr]    Compiling skeptic v0.13.2
Dec 19 10:02:56.708 INFO [stderr]    Compiling actix v0.5.0
Dec 19 10:03:01.090 INFO [stderr]     Checking actix-sync-arbiter-trying v0.1.0 (/opt/crater/workdir)
Dec 19 10:03:02.272 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.16s
Dec 19 10:03:03.145 INFO running `"docker" "inspect" "16cccb7146eca2955d3fdc1a3f78262818e48e820c00ea0bf47eb2010deb2f1f"`
Dec 19 10:03:03.458 INFO running `"docker" "rm" "-f" "16cccb7146eca2955d3fdc1a3f78262818e48e820c00ea0bf47eb2010deb2f1f"`
Dec 19 10:03:03.780 INFO [stdout] 16cccb7146eca2955d3fdc1a3f78262818e48e820c00ea0bf47eb2010deb2f1f