Dec 18 05:40:34.237 INFO checking RockyTV/rust-nbr6023 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 05:40:34.237 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/RockyTV/rust-nbr6023:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:40:34.676 INFO [stdout] a5b162aa6f047fe91c4e4f819537e361fceeba8097da41db027ab1d283a3b572
Dec 18 05:40:34.678 INFO running `"docker" "start" "-a" "a5b162aa6f047fe91c4e4f819537e361fceeba8097da41db027ab1d283a3b572"`
Dec 18 05:40:36.573 INFO [stderr]     Checking rust-nbr6023 v0.1.0 (/opt/crater/workdir)
Dec 18 05:40:37.028 INFO [stderr] warning: unused variable: `title`
Dec 18 05:40:37.028 INFO [stderr]   --> src/main.rs:10:37
Dec 18 05:40:37.028 INFO [stderr]    |
Dec 18 05:40:37.028 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 18 05:40:37.028 INFO [stderr]    |                                     ^^^^^ help: consider using `_title` instead
Dec 18 05:40:37.028 INFO [stderr]    |
Dec 18 05:40:37.028 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:40:37.028 INFO [stderr] 
Dec 18 05:40:37.028 INFO [stderr] warning: unused variable: `year`
Dec 18 05:40:37.028 INFO [stderr]   --> src/main.rs:10:50
Dec 18 05:40:37.028 INFO [stderr]    |
Dec 18 05:40:37.028 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 18 05:40:37.028 INFO [stderr]    |                                                  ^^^^ help: consider using `_year` instead
Dec 18 05:40:37.028 INFO [stderr] 
Dec 18 05:40:37.028 INFO [stderr] warning: unused variable: `link`
Dec 18 05:40:37.028 INFO [stderr]   --> src/main.rs:10:62
Dec 18 05:40:37.028 INFO [stderr]    |
Dec 18 05:40:37.028 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 18 05:40:37.028 INFO [stderr]    |                                                              ^^^^ help: consider using `_link` instead
Dec 18 05:40:37.028 INFO [stderr] 
Dec 18 05:40:37.036 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:40:37.036 INFO [stderr]   --> src/main.rs:12:9
Dec 18 05:40:37.036 INFO [stderr]    |
Dec 18 05:40:37.036 INFO [stderr] 12 |     let mut author_surname: &str = match author_parts.pop() {
Dec 18 05:40:37.036 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 18 05:40:37.036 INFO [stderr]    |         |
Dec 18 05:40:37.036 INFO [stderr]    |         help: remove this `mut`
Dec 18 05:40:37.036 INFO [stderr]    |
Dec 18 05:40:37.036 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 05:40:37.036 INFO [stderr] 
Dec 18 05:40:37.055 INFO [stderr] warning: unused variable: `title`
Dec 18 05:40:37.055 INFO [stderr]   --> src/main.rs:10:37
Dec 18 05:40:37.055 INFO [stderr]    |
Dec 18 05:40:37.056 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 18 05:40:37.056 INFO [stderr]    |                                     ^^^^^ help: consider using `_title` instead
Dec 18 05:40:37.056 INFO [stderr]    |
Dec 18 05:40:37.056 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:40:37.056 INFO [stderr] 
Dec 18 05:40:37.056 INFO [stderr] warning: unused variable: `year`
Dec 18 05:40:37.056 INFO [stderr]   --> src/main.rs:10:50
Dec 18 05:40:37.056 INFO [stderr]    |
Dec 18 05:40:37.056 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 18 05:40:37.056 INFO [stderr]    |                                                  ^^^^ help: consider using `_year` instead
Dec 18 05:40:37.056 INFO [stderr] 
Dec 18 05:40:37.056 INFO [stderr] warning: unused variable: `link`
Dec 18 05:40:37.056 INFO [stderr]   --> src/main.rs:10:62
Dec 18 05:40:37.056 INFO [stderr]    |
Dec 18 05:40:37.056 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 18 05:40:37.056 INFO [stderr]    |                                                              ^^^^ help: consider using `_link` instead
Dec 18 05:40:37.056 INFO [stderr] 
Dec 18 05:40:37.063 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:40:37.063 INFO [stderr]   --> src/main.rs:12:9
Dec 18 05:40:37.064 INFO [stderr]    |
Dec 18 05:40:37.064 INFO [stderr] 12 |     let mut author_surname: &str = match author_parts.pop() {
Dec 18 05:40:37.064 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 18 05:40:37.064 INFO [stderr]    |         |
Dec 18 05:40:37.064 INFO [stderr]    |         help: remove this `mut`
Dec 18 05:40:37.064 INFO [stderr]    |
Dec 18 05:40:37.064 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 05:40:37.064 INFO [stderr] 
Dec 18 05:40:37.108 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 18 05:40:38.130 INFO running `"docker" "inspect" "a5b162aa6f047fe91c4e4f819537e361fceeba8097da41db027ab1d283a3b572"`
Dec 18 05:40:38.456 INFO running `"docker" "rm" "-f" "a5b162aa6f047fe91c4e4f819537e361fceeba8097da41db027ab1d283a3b572"`
Dec 18 05:40:38.756 INFO [stdout] a5b162aa6f047fe91c4e4f819537e361fceeba8097da41db027ab1d283a3b572