Dec 19 16:07:36.291 INFO checking hexium310/twitter-for-rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:07:36.291 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/hexium310/twitter-for-rust:/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 16:07:36.768 INFO [stdout] 4eba4d517cd2a3cf596a212cf54170ebe874be6acdd03dae766a30f845c4a556
Dec 19 16:07:36.770 INFO running `"docker" "start" "-a" "4eba4d517cd2a3cf596a212cf54170ebe874be6acdd03dae766a30f845c4a556"`
Dec 19 16:07:38.958 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 19 16:07:38.996 INFO [stderr]     Checking hyper v0.10.11
Dec 19 16:07:43.663 INFO [stderr]     Checking hyper-native-tls v0.2.3
Dec 19 16:07:46.552 INFO [stderr]     Checking twitter v0.1.0 (/opt/crater/workdir)
Dec 19 16:07:47.741 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.89s
Dec 19 16:07:48.478 INFO running `"docker" "inspect" "4eba4d517cd2a3cf596a212cf54170ebe874be6acdd03dae766a30f845c4a556"`
Dec 19 16:07:48.760 INFO running `"docker" "rm" "-f" "4eba4d517cd2a3cf596a212cf54170ebe874be6acdd03dae766a30f845c4a556"`
Dec 19 16:07:49.187 INFO [stdout] 4eba4d517cd2a3cf596a212cf54170ebe874be6acdd03dae766a30f845c4a556