Dec 17 22:44:27.783 INFO checking jD91mZM2/numcoder against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:44:27.783 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/jD91mZM2/numcoder:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:44:28.248 INFO [stdout] 5a1a3111c221e7877c8c658c34fcce1744e7bdb9419c673895dbc69abc38f0fd
Dec 17 22:44:28.250 INFO running `"docker" "start" "-a" "5a1a3111c221e7877c8c658c34fcce1744e7bdb9419c673895dbc69abc38f0fd"`
Dec 17 22:44:30.080 INFO [stderr]     Checking num-bigint v0.1.37
Dec 17 22:44:31.043 INFO [stderr]     Checking num-rational v0.1.36
Dec 17 22:44:31.637 INFO [stderr]     Checking num v0.1.37
Dec 17 22:44:31.873 INFO [stderr]     Checking numcoder v0.1.0 (/opt/crater/workdir)
Dec 17 22:44:32.813 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.78s
Dec 17 22:44:34.065 INFO running `"docker" "inspect" "5a1a3111c221e7877c8c658c34fcce1744e7bdb9419c673895dbc69abc38f0fd"`
Dec 17 22:44:34.374 INFO running `"docker" "rm" "-f" "5a1a3111c221e7877c8c658c34fcce1744e7bdb9419c673895dbc69abc38f0fd"`
Dec 17 22:44:34.612 INFO [stdout] 5a1a3111c221e7877c8c658c34fcce1744e7bdb9419c673895dbc69abc38f0fd