Dec 19 08:40:34.659 INFO checking sivakon/rust-exp against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 08:40:34.659 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/sivakon/rust-exp:/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 08:40:35.164 INFO [stdout] aaf85381579c902c14161dfe8d3e29989ad2efc9ee9908b1cd1d28ce22141631
Dec 19 08:40:35.172 INFO running `"docker" "start" "-a" "aaf85381579c902c14161dfe8d3e29989ad2efc9ee9908b1cd1d28ce22141631"`
Dec 19 08:40:36.828 INFO [stderr]     Checking rustlvl2 v0.1.0 (/opt/crater/workdir)
Dec 19 08:40:36.984 INFO [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
Dec 19 08:40:36.984 INFO [stderr]   --> src/main.rs:53:9
Dec 19 08:40:36.984 INFO [stderr]    |
Dec 19 08:40:36.984 INFO [stderr] 53 | #[allow(unused_doc_comment)]
Dec 19 08:40:36.984 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
Dec 19 08:40:36.984 INFO [stderr]    |
Dec 19 08:40:36.984 INFO [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
Dec 19 08:40:36.984 INFO [stderr] 
Dec 19 08:40:37.004 INFO [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
Dec 19 08:40:37.004 INFO [stderr]   --> src/main.rs:53:9
Dec 19 08:40:37.004 INFO [stderr]    |
Dec 19 08:40:37.004 INFO [stderr] 53 | #[allow(unused_doc_comment)]
Dec 19 08:40:37.004 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
Dec 19 08:40:37.004 INFO [stderr]    |
Dec 19 08:40:37.004 INFO [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
Dec 19 08:40:37.004 INFO [stderr] 
Dec 19 08:40:37.021 INFO [stderr] warning: doc comment not used by rustdoc
Dec 19 08:40:37.021 INFO [stderr]    --> src/main.rs:97:5
Dec 19 08:40:37.021 INFO [stderr]     |
Dec 19 08:40:37.021 INFO [stderr] 97  | /     /**
Dec 19 08:40:37.021 INFO [stderr] 98  | |      * this is an unused documentation step
Dec 19 08:40:37.021 INFO [stderr] 99  | |      * HASHMAP
Dec 19 08:40:37.021 INFO [stderr] 100 | |      */
Dec 19 08:40:37.021 INFO [stderr]     | |_______^
Dec 19 08:40:37.021 INFO [stderr]     |
Dec 19 08:40:37.021 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 19 08:40:37.021 INFO [stderr] 
Dec 19 08:40:37.028 INFO [stderr] warning: doc comment not used by rustdoc
Dec 19 08:40:37.028 INFO [stderr]    --> src/main.rs:148:5
Dec 19 08:40:37.028 INFO [stderr]     |
Dec 19 08:40:37.028 INFO [stderr] 148 | /     /**
Dec 19 08:40:37.028 INFO [stderr] 149 | |      * Some exercises
Dec 19 08:40:37.028 INFO [stderr] 150 | |      */
Dec 19 08:40:37.028 INFO [stderr]     | |_______^
Dec 19 08:40:37.028 INFO [stderr] 
Dec 19 08:40:37.108 INFO [stderr] warning: doc comment not used by rustdoc
Dec 19 08:40:37.108 INFO [stderr]    --> src/main.rs:97:5
Dec 19 08:40:37.108 INFO [stderr]     |
Dec 19 08:40:37.108 INFO [stderr] 97  | /     /**
Dec 19 08:40:37.108 INFO [stderr] 98  | |      * this is an unused documentation step
Dec 19 08:40:37.108 INFO [stderr] 99  | |      * HASHMAP
Dec 19 08:40:37.108 INFO [stderr] 100 | |      */
Dec 19 08:40:37.108 INFO [stderr]     | |_______^
Dec 19 08:40:37.108 INFO [stderr]     |
Dec 19 08:40:37.108 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 19 08:40:37.108 INFO [stderr] 
Dec 19 08:40:37.108 INFO [stderr] warning: doc comment not used by rustdoc
Dec 19 08:40:37.108 INFO [stderr]    --> src/main.rs:148:5
Dec 19 08:40:37.108 INFO [stderr]     |
Dec 19 08:40:37.108 INFO [stderr] 148 | /     /**
Dec 19 08:40:37.108 INFO [stderr] 149 | |      * Some exercises
Dec 19 08:40:37.108 INFO [stderr] 150 | |      */
Dec 19 08:40:37.108 INFO [stderr]     | |_______^
Dec 19 08:40:37.108 INFO [stderr] 
Dec 19 08:40:37.400 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Dec 19 08:40:38.108 INFO running `"docker" "inspect" "aaf85381579c902c14161dfe8d3e29989ad2efc9ee9908b1cd1d28ce22141631"`
Dec 19 08:40:38.426 INFO running `"docker" "rm" "-f" "aaf85381579c902c14161dfe8d3e29989ad2efc9ee9908b1cd1d28ce22141631"`
Dec 19 08:40:38.672 INFO [stdout] aaf85381579c902c14161dfe8d3e29989ad2efc9ee9908b1cd1d28ce22141631