Dec 19 22:15:11.739 INFO checking PureW/tokio-key-value-store against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 22:15:11.739 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/PureW/tokio-key-value-store:/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 22:15:12.168 INFO [stdout] d1c5bcc8fe68e407a38ea84241d2a633dac33c09f452bd76992b74782692bb3e
Dec 19 22:15:12.174 INFO running `"docker" "start" "-a" "d1c5bcc8fe68e407a38ea84241d2a633dac33c09f452bd76992b74782692bb3e"`
Dec 19 22:15:13.882 INFO [stderr]     Checking tokio-service v0.1.0
Dec 19 22:15:13.882 INFO [stderr]     Checking concurrent-kv v0.2.1
Dec 19 22:15:14.279 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 19 22:15:16.384 INFO [stderr]     Checking key-value-store v0.1.0 (/opt/crater/workdir)
Dec 19 22:15:17.845 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.03s
Dec 19 22:15:18.883 INFO running `"docker" "inspect" "d1c5bcc8fe68e407a38ea84241d2a633dac33c09f452bd76992b74782692bb3e"`
Dec 19 22:15:19.126 INFO running `"docker" "rm" "-f" "d1c5bcc8fe68e407a38ea84241d2a633dac33c09f452bd76992b74782692bb3e"`
Dec 19 22:15:19.472 INFO [stdout] d1c5bcc8fe68e407a38ea84241d2a633dac33c09f452bd76992b74782692bb3e