Dec 19 12:23:43.929 INFO checking mpdrescher/a-lisp-interpreter against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:23:43.929 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/mpdrescher/a-lisp-interpreter:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:23:44.430 INFO [stdout] 7e869bcab8c12557c7d7b0a73e2510175eb66b71bcdea49b80b8157de669168f
Dec 19 12:23:44.432 INFO running `"docker" "start" "-a" "7e869bcab8c12557c7d7b0a73e2510175eb66b71bcdea49b80b8157de669168f"`
Dec 19 12:23:46.307 INFO [stderr]     Checking nix v0.5.1
Dec 19 12:23:49.224 INFO [stderr]     Checking rustyline v1.0.0
Dec 19 12:23:50.144 INFO [stderr]     Checking a-lisp-interpreter v0.1.0 (/opt/crater/workdir)
Dec 19 12:23:53.115 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.86s
Dec 19 12:23:54.070 INFO running `"docker" "inspect" "7e869bcab8c12557c7d7b0a73e2510175eb66b71bcdea49b80b8157de669168f"`
Dec 19 12:23:54.454 INFO running `"docker" "rm" "-f" "7e869bcab8c12557c7d7b0a73e2510175eb66b71bcdea49b80b8157de669168f"`
Dec 19 12:23:54.756 INFO [stdout] 7e869bcab8c12557c7d7b0a73e2510175eb66b71bcdea49b80b8157de669168f