Dec 19 17:30:58.376 INFO checking ejpcmac/diceware against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:30:58.376 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ejpcmac/diceware:/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 17:30:58.804 INFO [stdout] 9add79c0b5c52547566ad6f196193125e887c1b2c4b8bc2e3b2c74b311b08c59
Dec 19 17:30:58.810 INFO running `"docker" "start" "-a" "9add79c0b5c52547566ad6f196193125e887c1b2c4b8bc2e3b2c74b311b08c59"`
Dec 19 17:31:00.742 INFO [stderr]    Compiling num-traits v0.2.4
Dec 19 17:31:00.756 INFO [stderr]     Checking rand v0.4.2
Dec 19 17:31:00.772 INFO [stderr]     Checking diceware v1.0.1 (/opt/crater/workdir)
Dec 19 17:31:04.981 INFO [stderr]     Checking proptest v0.7.0
Dec 19 17:31:14.687 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.02s
Dec 19 17:31:15.946 INFO running `"docker" "inspect" "9add79c0b5c52547566ad6f196193125e887c1b2c4b8bc2e3b2c74b311b08c59"`
Dec 19 17:31:16.292 INFO running `"docker" "rm" "-f" "9add79c0b5c52547566ad6f196193125e887c1b2c4b8bc2e3b2c74b311b08c59"`
Dec 19 17:31:16.540 INFO [stdout] 9add79c0b5c52547566ad6f196193125e887c1b2c4b8bc2e3b2c74b311b08c59