Nov 29 18:04:37.861 INFO checking sivakon/rust-exp against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 18:04:37.861 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 29 18:04:38.379 INFO [stdout] 2abfbcba77e1b377a89a718ef8a6972cfa786b3e9301859fea1fb5b1a13c9f9c
Nov 29 18:04:38.381 INFO running `"docker" "start" "-a" "2abfbcba77e1b377a89a718ef8a6972cfa786b3e9301859fea1fb5b1a13c9f9c"`
Nov 29 18:04:40.171 INFO [stderr] usermod: no changes
Nov 29 18:04:40.243 INFO [stderr]     Checking rustlvl2 v0.1.0 (/source)
Nov 29 18:04:40.372 INFO [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
Nov 29 18:04:40.372 INFO [stderr]   --> src/main.rs:53:9
Nov 29 18:04:40.372 INFO [stderr]    |
Nov 29 18:04:40.372 INFO [stderr] 53 | #[allow(unused_doc_comment)]
Nov 29 18:04:40.372 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
Nov 29 18:04:40.372 INFO [stderr]    |
Nov 29 18:04:40.372 INFO [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
Nov 29 18:04:40.372 INFO [stderr] 
Nov 29 18:04:40.440 INFO [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
Nov 29 18:04:40.440 INFO [stderr]   --> src/main.rs:53:9
Nov 29 18:04:40.440 INFO [stderr]    |
Nov 29 18:04:40.440 INFO [stderr] 53 | #[allow(unused_doc_comment)]
Nov 29 18:04:40.440 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
Nov 29 18:04:40.440 INFO [stderr]    |
Nov 29 18:04:40.440 INFO [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
Nov 29 18:04:40.440 INFO [stderr] 
Nov 29 18:04:40.596 INFO [stderr] warning: doc comment not used by rustdoc
Nov 29 18:04:40.596 INFO [stderr]    --> src/main.rs:97:5
Nov 29 18:04:40.596 INFO [stderr]     |
Nov 29 18:04:40.596 INFO [stderr] 97  | /     /**
Nov 29 18:04:40.596 INFO [stderr] 98  | |      * this is an unused documentation step
Nov 29 18:04:40.596 INFO [stderr] 99  | |      * HASHMAP
Nov 29 18:04:40.596 INFO [stderr] 100 | |      */
Nov 29 18:04:40.596 INFO [stderr]     | |_______^
Nov 29 18:04:40.596 INFO [stderr]     |
Nov 29 18:04:40.596 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Nov 29 18:04:40.596 INFO [stderr] 
Nov 29 18:04:40.596 INFO [stderr] warning: doc comment not used by rustdoc
Nov 29 18:04:40.596 INFO [stderr]    --> src/main.rs:148:5
Nov 29 18:04:40.596 INFO [stderr]     |
Nov 29 18:04:40.596 INFO [stderr] 148 | /     /**
Nov 29 18:04:40.596 INFO [stderr] 149 | |      * Some exercises
Nov 29 18:04:40.596 INFO [stderr] 150 | |      */
Nov 29 18:04:40.596 INFO [stderr]     | |_______^
Nov 29 18:04:40.596 INFO [stderr] 
Nov 29 18:04:40.680 INFO [stderr] warning: doc comment not used by rustdoc
Nov 29 18:04:40.680 INFO [stderr]    --> src/main.rs:97:5
Nov 29 18:04:40.680 INFO [stderr]     |
Nov 29 18:04:40.680 INFO [stderr] 97  | /     /**
Nov 29 18:04:40.680 INFO [stderr] 98  | |      * this is an unused documentation step
Nov 29 18:04:40.680 INFO [stderr] 99  | |      * HASHMAP
Nov 29 18:04:40.680 INFO [stderr] 100 | |      */
Nov 29 18:04:40.680 INFO [stderr]     | |_______^
Nov 29 18:04:40.680 INFO [stderr]     |
Nov 29 18:04:40.680 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Nov 29 18:04:40.680 INFO [stderr] 
Nov 29 18:04:40.680 INFO [stderr] warning: doc comment not used by rustdoc
Nov 29 18:04:40.680 INFO [stderr]    --> src/main.rs:148:5
Nov 29 18:04:40.680 INFO [stderr]     |
Nov 29 18:04:40.680 INFO [stderr] 148 | /     /**
Nov 29 18:04:40.680 INFO [stderr] 149 | |      * Some exercises
Nov 29 18:04:40.680 INFO [stderr] 150 | |      */
Nov 29 18:04:40.680 INFO [stderr]     | |_______^
Nov 29 18:04:40.680 INFO [stderr] 
Nov 29 18:04:40.995 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Nov 29 18:04:41.019 INFO [stderr] su: No module specific data is present
Nov 29 18:04:41.898 INFO running `"docker" "inspect" "2abfbcba77e1b377a89a718ef8a6972cfa786b3e9301859fea1fb5b1a13c9f9c"`
Nov 29 18:04:42.160 INFO running `"docker" "rm" "-f" "2abfbcba77e1b377a89a718ef8a6972cfa786b3e9301859fea1fb5b1a13c9f9c"`
Nov 29 18:04:42.504 INFO [stdout] 2abfbcba77e1b377a89a718ef8a6972cfa786b3e9301859fea1fb5b1a13c9f9c