Nov 27 20:17:37.731 INFO checking sivakon/rust-exp against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 20:17:37.731 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 27 20:17:38.105 INFO [stdout] 7f6f1daa5e26f395c92772628207bf79b4ef6a01bc5f53048f447b83d86d9a93
Nov 27 20:17:38.110 INFO running `"docker" "start" "-a" "7f6f1daa5e26f395c92772628207bf79b4ef6a01bc5f53048f447b83d86d9a93"`
Nov 27 20:17:41.057 INFO [stderr] usermod: no changes
Nov 27 20:17:41.172 INFO [stderr]     Checking rustlvl2 v0.1.0 (/source)
Nov 27 20:17:41.236 INFO [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
Nov 27 20:17:41.236 INFO [stderr]   --> src/main.rs:53:9
Nov 27 20:17:41.236 INFO [stderr]    |
Nov 27 20:17:41.236 INFO [stderr] 53 | #[allow(unused_doc_comment)]
Nov 27 20:17:41.236 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
Nov 27 20:17:41.236 INFO [stderr]    |
Nov 27 20:17:41.244 INFO [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
Nov 27 20:17:41.244 INFO [stderr] 
Nov 27 20:17:41.392 INFO [stderr] warning: doc comment not used by rustdoc
Nov 27 20:17:41.392 INFO [stderr]    --> src/main.rs:97:5
Nov 27 20:17:41.392 INFO [stderr]     |
Nov 27 20:17:41.392 INFO [stderr] 97  | /     /**
Nov 27 20:17:41.392 INFO [stderr] 98  | |      * this is an unused documentation step
Nov 27 20:17:41.392 INFO [stderr] 99  | |      * HASHMAP
Nov 27 20:17:41.392 INFO [stderr] 100 | |      */
Nov 27 20:17:41.392 INFO [stderr]     | |_______^
Nov 27 20:17:41.392 INFO [stderr]     |
Nov 27 20:17:41.392 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Nov 27 20:17:41.392 INFO [stderr] 
Nov 27 20:17:41.400 INFO [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
Nov 27 20:17:41.400 INFO [stderr]   --> src/main.rs:53:9
Nov 27 20:17:41.400 INFO [stderr]    |
Nov 27 20:17:41.400 INFO [stderr] 53 | #[allow(unused_doc_comment)]
Nov 27 20:17:41.400 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
Nov 27 20:17:41.400 INFO [stderr]    |
Nov 27 20:17:41.400 INFO [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
Nov 27 20:17:41.400 INFO [stderr] 
Nov 27 20:17:41.400 INFO [stderr] warning: doc comment not used by rustdoc
Nov 27 20:17:41.400 INFO [stderr]    --> src/main.rs:148:5
Nov 27 20:17:41.400 INFO [stderr]     |
Nov 27 20:17:41.400 INFO [stderr] 148 | /     /**
Nov 27 20:17:41.400 INFO [stderr] 149 | |      * Some exercises
Nov 27 20:17:41.400 INFO [stderr] 150 | |      */
Nov 27 20:17:41.400 INFO [stderr]     | |_______^
Nov 27 20:17:41.400 INFO [stderr] 
Nov 27 20:17:41.759 INFO [stderr] warning: doc comment not used by rustdoc
Nov 27 20:17:41.764 INFO [stderr]    --> src/main.rs:97:5
Nov 27 20:17:41.764 INFO [stderr]     |
Nov 27 20:17:41.764 INFO [stderr] 97  | /     /**
Nov 27 20:17:41.764 INFO [stderr] 98  | |      * this is an unused documentation step
Nov 27 20:17:41.764 INFO [stderr] 99  | |      * HASHMAP
Nov 27 20:17:41.764 INFO [stderr] 100 | |      */
Nov 27 20:17:41.764 INFO [stderr]     | |_______^
Nov 27 20:17:41.764 INFO [stderr]     |
Nov 27 20:17:41.764 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Nov 27 20:17:41.764 INFO [stderr] 
Nov 27 20:17:41.764 INFO [stderr] warning: doc comment not used by rustdoc
Nov 27 20:17:41.764 INFO [stderr]    --> src/main.rs:148:5
Nov 27 20:17:41.764 INFO [stderr]     |
Nov 27 20:17:41.764 INFO [stderr] 148 | /     /**
Nov 27 20:17:41.764 INFO [stderr] 149 | |      * Some exercises
Nov 27 20:17:41.764 INFO [stderr] 150 | |      */
Nov 27 20:17:41.764 INFO [stderr]     | |_______^
Nov 27 20:17:41.764 INFO [stderr] 
Nov 27 20:17:42.153 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Nov 27 20:17:42.155 INFO [stderr] su: No module specific data is present
Nov 27 20:17:42.950 INFO running `"docker" "inspect" "7f6f1daa5e26f395c92772628207bf79b4ef6a01bc5f53048f447b83d86d9a93"`
Nov 27 20:17:43.320 INFO running `"docker" "rm" "-f" "7f6f1daa5e26f395c92772628207bf79b4ef6a01bc5f53048f447b83d86d9a93"`
Nov 27 20:17:43.740 INFO [stdout] 7f6f1daa5e26f395c92772628207bf79b4ef6a01bc5f53048f447b83d86d9a93