Dec 19 18:55:27.967 INFO checking clu8/rust-exercises against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 18:55:27.967 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/clu8/rust-exercises:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:55:28.404 INFO [stdout] 9f02af94eb6ab1872072f170317ce7f2060ead2ad9a2b873e3398e7eb8eaf1e3
Dec 19 18:55:28.410 INFO running `"docker" "start" "-a" "9f02af94eb6ab1872072f170317ce7f2060ead2ad9a2b873e3398e7eb8eaf1e3"`
Dec 19 18:55:29.793 INFO [stderr]     Checking exercises v0.1.0 (/opt/crater/workdir)
Dec 19 18:55:30.448 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Dec 19 18:55:31.374 INFO running `"docker" "inspect" "9f02af94eb6ab1872072f170317ce7f2060ead2ad9a2b873e3398e7eb8eaf1e3"`
Dec 19 18:55:31.588 INFO running `"docker" "rm" "-f" "9f02af94eb6ab1872072f170317ce7f2060ead2ad9a2b873e3398e7eb8eaf1e3"`
Dec 19 18:55:31.995 INFO [stdout] 9f02af94eb6ab1872072f170317ce7f2060ead2ad9a2b873e3398e7eb8eaf1e3