Dec 19 14:20:39.261 INFO checking kimrutherford/pombase_rc_string against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:20:39.261 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/kimrutherford/pombase_rc_string:/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 14:20:39.770 INFO [stdout] 56439f5ce00e9cc1cbfaf4bb4a9f0cfaa4690f467860a30504d4d023d442ac75
Dec 19 14:20:39.772 INFO running `"docker" "start" "-a" "56439f5ce00e9cc1cbfaf4bb4a9f0cfaa4690f467860a30504d4d023d442ac75"`
Dec 19 14:20:41.497 INFO [stderr]    Compiling ryu v0.2.5
Dec 19 14:20:41.497 INFO [stderr]     Checking weak-table v0.2.3
Dec 19 14:20:43.676 INFO [stderr]     Checking serde_json v1.0.26
Dec 19 14:20:46.067 INFO [stderr]     Checking pombase_rc_string v0.1.0 (/opt/crater/workdir)
Dec 19 14:20:47.326 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.96s
Dec 19 14:20:48.695 INFO running `"docker" "inspect" "56439f5ce00e9cc1cbfaf4bb4a9f0cfaa4690f467860a30504d4d023d442ac75"`
Dec 19 14:20:49.010 INFO running `"docker" "rm" "-f" "56439f5ce00e9cc1cbfaf4bb4a9f0cfaa4690f467860a30504d4d023d442ac75"`
Dec 19 14:20:49.311 INFO [stdout] 56439f5ce00e9cc1cbfaf4bb4a9f0cfaa4690f467860a30504d4d023d442ac75