Dec 12 00:35:07.557 INFO checking RockyTV/rust-nbr6023 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 00:35:07.557 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 00:35:07.909 INFO [stdout] 88eaae280cfd3fbdf8d2f9d8f2be9985eeebaf7e6b1659ecb652ddfb56f04e41
Dec 12 00:35:07.911 INFO running `"docker" "start" "-a" "88eaae280cfd3fbdf8d2f9d8f2be9985eeebaf7e6b1659ecb652ddfb56f04e41"`
Dec 12 00:35:09.861 INFO [stderr] usermod: no changes
Dec 12 00:35:09.936 INFO [stderr]     Checking rust-nbr6023 v0.1.0 (/source)
Dec 12 00:35:10.706 INFO [stderr] warning: unused variable: `title`
Dec 12 00:35:10.706 INFO [stderr]   --> src/main.rs:10:37
Dec 12 00:35:10.706 INFO [stderr]    |
Dec 12 00:35:10.706 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 12 00:35:10.706 INFO [stderr]    |                                     ^^^^^ help: consider using `_title` instead
Dec 12 00:35:10.712 INFO [stderr]    |
Dec 12 00:35:10.712 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:35:10.712 INFO [stderr] 
Dec 12 00:35:10.712 INFO [stderr] warning: unused variable: `year`
Dec 12 00:35:10.712 INFO [stderr]   --> src/main.rs:10:50
Dec 12 00:35:10.712 INFO [stderr]    |
Dec 12 00:35:10.712 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 12 00:35:10.712 INFO [stderr]    |                                                  ^^^^ help: consider using `_year` instead
Dec 12 00:35:10.712 INFO [stderr] 
Dec 12 00:35:10.712 INFO [stderr] warning: unused variable: `link`
Dec 12 00:35:10.712 INFO [stderr]   --> src/main.rs:10:62
Dec 12 00:35:10.712 INFO [stderr]    |
Dec 12 00:35:10.712 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 12 00:35:10.712 INFO [stderr]    |                                                              ^^^^ help: consider using `_link` instead
Dec 12 00:35:10.712 INFO [stderr] 
Dec 12 00:35:10.720 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:35:10.720 INFO [stderr]   --> src/main.rs:12:9
Dec 12 00:35:10.720 INFO [stderr]    |
Dec 12 00:35:10.720 INFO [stderr] 12 |     let mut author_surname: &str = match author_parts.pop() {
Dec 12 00:35:10.720 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 12 00:35:10.720 INFO [stderr]    |         |
Dec 12 00:35:10.720 INFO [stderr]    |         help: remove this `mut`
Dec 12 00:35:10.728 INFO [stderr]    |
Dec 12 00:35:10.728 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 00:35:10.728 INFO [stderr] 
Dec 12 00:35:10.728 INFO [stderr] warning: unused variable: `title`
Dec 12 00:35:10.728 INFO [stderr]   --> src/main.rs:10:37
Dec 12 00:35:10.728 INFO [stderr]    |
Dec 12 00:35:10.728 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 12 00:35:10.728 INFO [stderr]    |                                     ^^^^^ help: consider using `_title` instead
Dec 12 00:35:10.728 INFO [stderr]    |
Dec 12 00:35:10.728 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:35:10.728 INFO [stderr] 
Dec 12 00:35:10.728 INFO [stderr] warning: unused variable: `year`
Dec 12 00:35:10.728 INFO [stderr]   --> src/main.rs:10:50
Dec 12 00:35:10.728 INFO [stderr]    |
Dec 12 00:35:10.728 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 12 00:35:10.728 INFO [stderr]    |                                                  ^^^^ help: consider using `_year` instead
Dec 12 00:35:10.728 INFO [stderr] 
Dec 12 00:35:10.728 INFO [stderr] warning: unused variable: `link`
Dec 12 00:35:10.728 INFO [stderr]   --> src/main.rs:10:62
Dec 12 00:35:10.729 INFO [stderr]    |
Dec 12 00:35:10.729 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 12 00:35:10.729 INFO [stderr]    |                                                              ^^^^ help: consider using `_link` instead
Dec 12 00:35:10.729 INFO [stderr] 
Dec 12 00:35:10.736 INFO [stderr] warning: variable does not need to be mutable
Dec 12 00:35:10.736 INFO [stderr]   --> src/main.rs:12:9
Dec 12 00:35:10.736 INFO [stderr]    |
Dec 12 00:35:10.736 INFO [stderr] 12 |     let mut author_surname: &str = match author_parts.pop() {
Dec 12 00:35:10.736 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 12 00:35:10.736 INFO [stderr]    |         |
Dec 12 00:35:10.736 INFO [stderr]    |         help: remove this `mut`
Dec 12 00:35:10.736 INFO [stderr]    |
Dec 12 00:35:10.736 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 00:35:10.736 INFO [stderr] 
Dec 12 00:35:10.757 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Dec 12 00:35:10.760 INFO [stderr] su: No module specific data is present
Dec 12 00:35:11.588 INFO running `"docker" "inspect" "88eaae280cfd3fbdf8d2f9d8f2be9985eeebaf7e6b1659ecb652ddfb56f04e41"`
Dec 12 00:35:11.896 INFO running `"docker" "rm" "-f" "88eaae280cfd3fbdf8d2f9d8f2be9985eeebaf7e6b1659ecb652ddfb56f04e41"`
Dec 12 00:35:12.228 INFO [stdout] 88eaae280cfd3fbdf8d2f9d8f2be9985eeebaf7e6b1659ecb652ddfb56f04e41