Dec 19 22:06:34.577 INFO checking RockyTV/rust-nbr6023 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 22:06:34.577 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 22:06:35.094 INFO [stdout] 0427463378ae5803a23bb586f7b2b23bb25588ab752b3b2c0b68c66b4a89f4cf
Dec 19 22:06:35.096 INFO running `"docker" "start" "-a" "0427463378ae5803a23bb586f7b2b23bb25588ab752b3b2c0b68c66b4a89f4cf"`
Dec 19 22:06:36.989 INFO [stderr]     Checking rust-nbr6023 v0.1.0 (/opt/crater/workdir)
Dec 19 22:06:37.448 INFO [stderr] warning: unused variable: `title`
Dec 19 22:06:37.448 INFO [stderr]   --> src/main.rs:10:37
Dec 19 22:06:37.448 INFO [stderr]    |
Dec 19 22:06:37.448 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 19 22:06:37.448 INFO [stderr]    |                                     ^^^^^ help: consider using `_title` instead
Dec 19 22:06:37.448 INFO [stderr]    |
Dec 19 22:06:37.448 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:06:37.448 INFO [stderr] 
Dec 19 22:06:37.448 INFO [stderr] warning: unused variable: `year`
Dec 19 22:06:37.448 INFO [stderr]   --> src/main.rs:10:50
Dec 19 22:06:37.448 INFO [stderr]    |
Dec 19 22:06:37.448 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 19 22:06:37.448 INFO [stderr]    |                                                  ^^^^ help: consider using `_year` instead
Dec 19 22:06:37.448 INFO [stderr] 
Dec 19 22:06:37.448 INFO [stderr] warning: unused variable: `link`
Dec 19 22:06:37.448 INFO [stderr]   --> src/main.rs:10:62
Dec 19 22:06:37.448 INFO [stderr]    |
Dec 19 22:06:37.448 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 19 22:06:37.449 INFO [stderr]    |                                                              ^^^^ help: consider using `_link` instead
Dec 19 22:06:37.449 INFO [stderr] 
Dec 19 22:06:37.452 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:06:37.452 INFO [stderr]   --> src/main.rs:12:9
Dec 19 22:06:37.452 INFO [stderr]    |
Dec 19 22:06:37.452 INFO [stderr] 12 |     let mut author_surname: &str = match author_parts.pop() {
Dec 19 22:06:37.452 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 19 22:06:37.452 INFO [stderr]    |         |
Dec 19 22:06:37.452 INFO [stderr]    |         help: remove this `mut`
Dec 19 22:06:37.452 INFO [stderr]    |
Dec 19 22:06:37.452 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 22:06:37.452 INFO [stderr] 
Dec 19 22:06:37.504 INFO [stderr] warning: unused variable: `title`
Dec 19 22:06:37.504 INFO [stderr]   --> src/main.rs:10:37
Dec 19 22:06:37.504 INFO [stderr]    |
Dec 19 22:06:37.504 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 19 22:06:37.504 INFO [stderr]    |                                     ^^^^^ help: consider using `_title` instead
Dec 19 22:06:37.504 INFO [stderr]    |
Dec 19 22:06:37.504 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 22:06:37.504 INFO [stderr] 
Dec 19 22:06:37.504 INFO [stderr] warning: unused variable: `year`
Dec 19 22:06:37.504 INFO [stderr]   --> src/main.rs:10:50
Dec 19 22:06:37.504 INFO [stderr]    |
Dec 19 22:06:37.504 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 19 22:06:37.504 INFO [stderr]    |                                                  ^^^^ help: consider using `_year` instead
Dec 19 22:06:37.504 INFO [stderr] 
Dec 19 22:06:37.504 INFO [stderr] warning: unused variable: `link`
Dec 19 22:06:37.504 INFO [stderr]   --> src/main.rs:10:62
Dec 19 22:06:37.504 INFO [stderr]    |
Dec 19 22:06:37.505 INFO [stderr] 10 | fn generate_reference(author: &str, title: &str, year: &str, link: &str) -> String {
Dec 19 22:06:37.505 INFO [stderr]    |                                                              ^^^^ help: consider using `_link` instead
Dec 19 22:06:37.505 INFO [stderr] 
Dec 19 22:06:37.517 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:06:37.517 INFO [stderr]   --> src/main.rs:12:9
Dec 19 22:06:37.517 INFO [stderr]    |
Dec 19 22:06:37.517 INFO [stderr] 12 |     let mut author_surname: &str = match author_parts.pop() {
Dec 19 22:06:37.517 INFO [stderr]    |         ----^^^^^^^^^^^^^^
Dec 19 22:06:37.517 INFO [stderr]    |         |
Dec 19 22:06:37.517 INFO [stderr]    |         help: remove this `mut`
Dec 19 22:06:37.517 INFO [stderr]    |
Dec 19 22:06:37.518 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 22:06:37.518 INFO [stderr] 
Dec 19 22:06:37.552 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Dec 19 22:06:38.162 INFO running `"docker" "inspect" "0427463378ae5803a23bb586f7b2b23bb25588ab752b3b2c0b68c66b4a89f4cf"`
Dec 19 22:06:38.450 INFO running `"docker" "rm" "-f" "0427463378ae5803a23bb586f7b2b23bb25588ab752b3b2c0b68c66b4a89f4cf"`
Dec 19 22:06:38.720 INFO [stdout] 0427463378ae5803a23bb586f7b2b23bb25588ab752b3b2c0b68c66b4a89f4cf