Dec 17 16:08:18.913 INFO checking sapphie132/sapphogram against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 16:08:18.913 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/sapphie132/sapphogram:/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 16:08:19.263 INFO [stdout] 2ce07b0f3848d3ff1bb88132d18ac5d4b03c1f3e9824cae3dfb91bb03fd5c630
Dec 17 16:08:19.266 INFO running `"docker" "start" "-a" "2ce07b0f3848d3ff1bb88132d18ac5d4b03c1f3e9824cae3dfb91bb03fd5c630"`
Dec 17 16:08:20.629 INFO [stderr]     Checking mio v0.6.15
Dec 17 16:08:20.629 INFO [stderr]     Checking ring v0.13.2
Dec 17 16:08:23.436 INFO [stderr]     Checking sapphogram v0.1.0 (/opt/crater/workdir)
Dec 17 16:08:24.779 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
Dec 17 16:08:25.290 INFO running `"docker" "inspect" "2ce07b0f3848d3ff1bb88132d18ac5d4b03c1f3e9824cae3dfb91bb03fd5c630"`
Dec 17 16:08:25.634 INFO running `"docker" "rm" "-f" "2ce07b0f3848d3ff1bb88132d18ac5d4b03c1f3e9824cae3dfb91bb03fd5c630"`
Dec 17 16:08:25.952 INFO [stdout] 2ce07b0f3848d3ff1bb88132d18ac5d4b03c1f3e9824cae3dfb91bb03fd5c630