Dec 17 16:56:10.361 INFO checking rlupton20/stamp against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 16:56:10.361 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/rlupton20/stamp:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 16:56:10.942 INFO [stdout] e486799e59245d72f9b6c20ad107e6c2e61dff307312d56bccc70d447781179b
Dec 17 16:56:10.944 INFO running `"docker" "start" "-a" "e486799e59245d72f9b6c20ad107e6c2e61dff307312d56bccc70d447781179b"`
Dec 17 16:56:12.821 INFO [stderr]     Checking term_size v0.3.0
Dec 17 16:56:12.821 INFO [stderr]     Checking atty v0.2.2
Dec 17 16:56:13.132 INFO [stderr]     Checking textwrap v0.7.0
Dec 17 16:56:13.507 INFO [stderr]     Checking clap v2.26.0
Dec 17 16:56:19.812 INFO [stderr]     Checking stamp v0.1.0 (/opt/crater/workdir)
Dec 17 16:56:20.184 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.41s
Dec 17 16:56:20.846 INFO running `"docker" "inspect" "e486799e59245d72f9b6c20ad107e6c2e61dff307312d56bccc70d447781179b"`
Dec 17 16:56:21.069 INFO running `"docker" "rm" "-f" "e486799e59245d72f9b6c20ad107e6c2e61dff307312d56bccc70d447781179b"`
Dec 17 16:56:21.241 INFO [stdout] e486799e59245d72f9b6c20ad107e6c2e61dff307312d56bccc70d447781179b