Dec 19 13:36:47.952 INFO checking livingsilver94/rusty_markov against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:36:47.952 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/livingsilver94/rusty_markov:/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 13:36:48.442 INFO [stdout] 619166056c281ae77c944ad4d0f475bf3a1a12907e2077db0d4f9f3b61c63592
Dec 19 13:36:48.444 INFO running `"docker" "start" "-a" "619166056c281ae77c944ad4d0f475bf3a1a12907e2077db0d4f9f3b61c63592"`
Dec 19 13:36:50.680 INFO [stderr]     Checking markov_chain v0.1.0 (/opt/crater/workdir)
Dec 19 13:36:51.139 INFO [stderr] warning: unused implementer of `std::iter::Iterator` that must be used
Dec 19 13:36:51.140 INFO [stderr]    --> src/lib.rs:206:9
Dec 19 13:36:51.140 INFO [stderr]     |
Dec 19 13:36:51.140 INFO [stderr] 206 |         map.generate_from_token(&vec![KeyPosition::Beginning; 1], 10);
Dec 19 13:36:51.140 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:36:51.140 INFO [stderr]     |
Dec 19 13:36:51.140 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 13:36:51.140 INFO [stderr] 
Dec 19 13:36:51.592 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 19 13:36:52.385 INFO running `"docker" "inspect" "619166056c281ae77c944ad4d0f475bf3a1a12907e2077db0d4f9f3b61c63592"`
Dec 19 13:36:52.641 INFO running `"docker" "rm" "-f" "619166056c281ae77c944ad4d0f475bf3a1a12907e2077db0d4f9f3b61c63592"`
Dec 19 13:36:52.892 INFO [stdout] 619166056c281ae77c944ad4d0f475bf3a1a12907e2077db0d4f9f3b61c63592