Dec 18 15:36:50.017 INFO checking google-tpu1_alpha1-cli-1.0.8+20181010 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 15:36:50.017 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/google-tpu1_alpha1-cli/1.0.8+20181010:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 15:36:50.170 INFO [stdout] 5651807fe751a842c157198ea8cac4f57e6a6838b653ffb315a11f2e2fb6cef1
Dec 18 15:36:50.174 INFO running `"docker" "start" "-a" "5651807fe751a842c157198ea8cac4f57e6a6838b653ffb315a11f2e2fb6cef1"`
Dec 18 15:36:51.632 INFO [stderr]     Checking google-tpu1_alpha1 v1.0.8+20181010
Dec 18 15:36:55.124 INFO [stderr]     Checking google-tpu1_alpha1-cli v1.0.8+20181010 (/opt/crater/workdir)
Dec 18 15:36:57.748 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.37s
Dec 18 15:36:58.095 INFO running `"docker" "inspect" "5651807fe751a842c157198ea8cac4f57e6a6838b653ffb315a11f2e2fb6cef1"`
Dec 18 15:36:58.280 INFO running `"docker" "rm" "-f" "5651807fe751a842c157198ea8cac4f57e6a6838b653ffb315a11f2e2fb6cef1"`
Dec 18 15:36:58.472 INFO [stdout] 5651807fe751a842c157198ea8cac4f57e6a6838b653ffb315a11f2e2fb6cef1