Dec 18 03:21:21.682 INFO checking bfontaine/primo against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 03:21:21.682 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/bfontaine/primo:/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 18 03:21:22.176 INFO [stdout] 74628279ef2085c8e0f7cbb5d5ff0b304aed41ef8d73a8dd8eb8439b1f8e04eb
Dec 18 03:21:22.186 INFO running `"docker" "start" "-a" "74628279ef2085c8e0f7cbb5d5ff0b304aed41ef8d73a8dd8eb8439b1f8e04eb"`
Dec 18 03:21:23.872 INFO [stderr]     Checking term_size v0.2.3
Dec 18 03:21:24.213 INFO [stderr]     Checking clap v2.19.3
Dec 18 03:21:28.833 INFO [stderr]     Checking primo v0.0.1 (/opt/crater/workdir)
Dec 18 03:21:29.780 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.00s
Dec 18 03:21:30.308 INFO running `"docker" "inspect" "74628279ef2085c8e0f7cbb5d5ff0b304aed41ef8d73a8dd8eb8439b1f8e04eb"`
Dec 18 03:21:30.474 INFO running `"docker" "rm" "-f" "74628279ef2085c8e0f7cbb5d5ff0b304aed41ef8d73a8dd8eb8439b1f8e04eb"`
Dec 18 03:21:30.704 INFO [stdout] 74628279ef2085c8e0f7cbb5d5ff0b304aed41ef8d73a8dd8eb8439b1f8e04eb