Dec 19 12:28:09.778 INFO checking monjohn/prufen against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955 Dec 19 12:28:09.778 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/monjohn/prufen:/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 12:28:10.115 INFO [stdout] 48c4517d1f9372e41e87b6df2fb2fdc7f0616322272cf5d9ccfba6fc6ddecabf Dec 19 12:28:10.120 INFO running `"docker" "start" "-a" "48c4517d1f9372e41e87b6df2fb2fdc7f0616322272cf5d9ccfba6fc6ddecabf"` Dec 19 12:28:11.058 INFO [stderr] Checking getopts v0.2.17 Dec 19 12:28:11.058 INFO [stderr] Checking csv-core v0.1.4 Dec 19 12:28:11.628 INFO [stderr] Checking csv v1.0.0-beta.5 Dec 19 12:28:12.784 INFO [stderr] Checking prufen v0.1.2 (/opt/crater/workdir) Dec 19 12:28:13.609 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.62s Dec 19 12:28:14.178 INFO running `"docker" "inspect" "48c4517d1f9372e41e87b6df2fb2fdc7f0616322272cf5d9ccfba6fc6ddecabf"` Dec 19 12:28:14.472 INFO running `"docker" "rm" "-f" "48c4517d1f9372e41e87b6df2fb2fdc7f0616322272cf5d9ccfba6fc6ddecabf"` Dec 19 12:28:14.697 INFO [stdout] 48c4517d1f9372e41e87b6df2fb2fdc7f0616322272cf5d9ccfba6fc6ddecabf