Dec 19 09:11:46.021 INFO checking sdrummeyjr/rand_name against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 09:11:46.021 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/sdrummeyjr/rand_name:/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 09:11:46.494 INFO [stdout] 9d7db59c22c9b5479b824c5914baf72a0a8b7a12e36f361f7c4303ce6ea80ce7
Dec 19 09:11:46.496 INFO running `"docker" "start" "-a" "9d7db59c22c9b5479b824c5914baf72a0a8b7a12e36f361f7c4303ce6ea80ce7"`
Dec 19 09:11:47.764 INFO [stderr]     Checking rand_core v0.2.0
Dec 19 09:11:48.241 INFO [stderr]     Checking rand v0.5.0
Dec 19 09:11:50.388 INFO [stderr]     Checking rand_name v0.1.0 (/opt/crater/workdir)
Dec 19 09:11:50.705 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.97s
Dec 19 09:11:51.594 INFO running `"docker" "inspect" "9d7db59c22c9b5479b824c5914baf72a0a8b7a12e36f361f7c4303ce6ea80ce7"`
Dec 19 09:11:51.802 INFO running `"docker" "rm" "-f" "9d7db59c22c9b5479b824c5914baf72a0a8b7a12e36f361f7c4303ce6ea80ce7"`
Dec 19 09:11:52.084 INFO [stdout] 9d7db59c22c9b5479b824c5914baf72a0a8b7a12e36f361f7c4303ce6ea80ce7