Dec 11 09:23:17.016 INFO checking sivakon/rust-exp against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 09:23:17.016 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 09:23:17.252 INFO [stdout] 467e7ad349769f8174100b8796a59d9450fb05b6cbb27bf606684c464c20ea6a
Dec 11 09:23:17.260 INFO running `"docker" "start" "-a" "467e7ad349769f8174100b8796a59d9450fb05b6cbb27bf606684c464c20ea6a"`
Dec 11 09:23:18.799 INFO [stderr] usermod: no changes
Dec 11 09:23:18.856 INFO [stderr]     Checking rustlvl2 v0.1.0 (/source)
Dec 11 09:23:19.008 INFO [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
Dec 11 09:23:19.008 INFO [stderr]   --> src/main.rs:53:9
Dec 11 09:23:19.008 INFO [stderr]    |
Dec 11 09:23:19.008 INFO [stderr] 53 | #[allow(unused_doc_comment)]
Dec 11 09:23:19.008 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
Dec 11 09:23:19.009 INFO [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
Dec 11 09:23:19.009 INFO [stderr]   --> src/main.rs:53:9
Dec 11 09:23:19.009 INFO [stderr]    |
Dec 11 09:23:19.009 INFO [stderr] 53 | #[allow(unused_doc_comment)]
Dec 11 09:23:19.009 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
Dec 11 09:23:19.009 INFO [stderr]    |
Dec 11 09:23:19.009 INFO [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
Dec 11 09:23:19.009 INFO [stderr] 
Dec 11 09:23:19.033 INFO [stderr]    |
Dec 11 09:23:19.033 INFO [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
Dec 11 09:23:19.033 INFO [stderr] 
Dec 11 09:23:19.238 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 09:23:19.238 INFO [stderr]    --> src/main.rs:97:5
Dec 11 09:23:19.238 INFO [stderr]     |
Dec 11 09:23:19.238 INFO [stderr] 97  | /     /**
Dec 11 09:23:19.238 INFO [stderr] 98  | |      * this is an unused documentation step
Dec 11 09:23:19.238 INFO [stderr] 99  | |      * HASHMAP
Dec 11 09:23:19.238 INFO [stderr] 100 | |      */
Dec 11 09:23:19.238 INFO [stderr]     | |_______^
Dec 11 09:23:19.238 INFO [stderr]     |
Dec 11 09:23:19.238 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 11 09:23:19.238 INFO [stderr] 
Dec 11 09:23:19.238 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 09:23:19.238 INFO [stderr]    --> src/main.rs:148:5
Dec 11 09:23:19.238 INFO [stderr]     |
Dec 11 09:23:19.238 INFO [stderr] 148 | /     /**
Dec 11 09:23:19.238 INFO [stderr] 149 | |      * Some exercises
Dec 11 09:23:19.238 INFO [stderr] 150 | |      */
Dec 11 09:23:19.238 INFO [stderr]     | |_______^
Dec 11 09:23:19.238 INFO [stderr] 
Dec 11 09:23:19.308 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 09:23:19.308 INFO [stderr]    --> src/main.rs:97:5
Dec 11 09:23:19.308 INFO [stderr]     |
Dec 11 09:23:19.308 INFO [stderr] 97  | /     /**
Dec 11 09:23:19.308 INFO [stderr] 98  | |      * this is an unused documentation step
Dec 11 09:23:19.308 INFO [stderr] 99  | |      * HASHMAP
Dec 11 09:23:19.308 INFO [stderr] 100 | |      */
Dec 11 09:23:19.308 INFO [stderr]     | |_______^
Dec 11 09:23:19.309 INFO [stderr]     |
Dec 11 09:23:19.309 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 11 09:23:19.309 INFO [stderr] 
Dec 11 09:23:19.309 INFO [stderr] warning: doc comment not used by rustdoc
Dec 11 09:23:19.309 INFO [stderr]    --> src/main.rs:148:5
Dec 11 09:23:19.309 INFO [stderr]     |
Dec 11 09:23:19.309 INFO [stderr] 148 | /     /**
Dec 11 09:23:19.309 INFO [stderr] 149 | |      * Some exercises
Dec 11 09:23:19.309 INFO [stderr] 150 | |      */
Dec 11 09:23:19.309 INFO [stderr]     | |_______^
Dec 11 09:23:19.309 INFO [stderr] 
Dec 11 09:23:19.543 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Dec 11 09:23:19.545 INFO [stderr] su: No module specific data is present
Dec 11 09:23:20.769 INFO running `"docker" "inspect" "467e7ad349769f8174100b8796a59d9450fb05b6cbb27bf606684c464c20ea6a"`
Dec 11 09:23:21.098 INFO running `"docker" "rm" "-f" "467e7ad349769f8174100b8796a59d9450fb05b6cbb27bf606684c464c20ea6a"`
Dec 11 09:23:21.496 INFO [stdout] 467e7ad349769f8174100b8796a59d9450fb05b6cbb27bf606684c464c20ea6a