Dec 19 05:44:39.485 INFO checking wbigger/RustIntro against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 05:44:39.485 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/wbigger/RustIntro:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:44:39.888 INFO [stdout] ff92ca0593fb09e6cd5a73737222c5862183465c2f0f4f3273c5d0ce14eca811
Dec 19 05:44:39.894 INFO running `"docker" "start" "-a" "ff92ca0593fb09e6cd5a73737222c5862183465c2f0f4f3273c5d0ce14eca811"`
Dec 19 05:44:41.666 INFO [stderr]     Checking RustIntro v0.1.0 (/opt/crater/workdir)
Dec 19 05:44:42.244 INFO [stderr] warning: unused variable: `vec`
Dec 19 05:44:42.244 INFO [stderr]  --> src/borrowing.rs:2:9
Dec 19 05:44:42.245 INFO [stderr]   |
Dec 19 05:44:42.245 INFO [stderr] 2 | fn user(vec: &Vec<i32>) {
Dec 19 05:44:42.245 INFO [stderr]   |         ^^^ help: consider using `_vec` instead
Dec 19 05:44:42.245 INFO [stderr]   |
Dec 19 05:44:42.245 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 05:44:42.246 INFO [stderr] 
Dec 19 05:44:42.268 INFO [stderr] warning: unused variable: `s1`
Dec 19 05:44:42.268 INFO [stderr]  --> src/lifetime.rs:5:10
Dec 19 05:44:42.268 INFO [stderr]   |
Dec 19 05:44:42.268 INFO [stderr] 5 |     let (s1,s2) = line.split_at(prefix.len());
Dec 19 05:44:42.268 INFO [stderr]   |          ^^ help: consider using `_s1` instead
Dec 19 05:44:42.268 INFO [stderr]   |
Dec 19 05:44:42.268 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 05:44:42.268 INFO [stderr] 
Dec 19 05:44:42.336 INFO [stderr] warning: unused variable: `vec`
Dec 19 05:44:42.336 INFO [stderr]  --> src/ownership.rs:2:9
Dec 19 05:44:42.336 INFO [stderr]   |
Dec 19 05:44:42.336 INFO [stderr] 2 | fn take(vec: Vec<i32>) {
Dec 19 05:44:42.336 INFO [stderr]   |         ^^^ help: consider using `_vec` instead
Dec 19 05:44:42.336 INFO [stderr]   |
Dec 19 05:44:42.336 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 05:44:42.336 INFO [stderr] 
Dec 19 05:44:42.424 INFO [stderr] warning: unused variable: `vec`
Dec 19 05:44:42.424 INFO [stderr]  --> src/ownership.rs:2:9
Dec 19 05:44:42.424 INFO [stderr]   |
Dec 19 05:44:42.424 INFO [stderr] 2 | fn take(vec: Vec<i32>) {
Dec 19 05:44:42.424 INFO [stderr]   |         ^^^ help: consider using `_vec` instead
Dec 19 05:44:42.424 INFO [stderr]   |
Dec 19 05:44:42.424 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 05:44:42.424 INFO [stderr] 
Dec 19 05:44:42.444 INFO [stderr] warning: unused variable: `vec`
Dec 19 05:44:42.444 INFO [stderr]  --> src/borrowing.rs:2:9
Dec 19 05:44:42.444 INFO [stderr]   |
Dec 19 05:44:42.444 INFO [stderr] 2 | fn user(vec: &Vec<i32>) {
Dec 19 05:44:42.444 INFO [stderr]   |         ^^^ help: consider using `_vec` instead
Dec 19 05:44:42.444 INFO [stderr]   |
Dec 19 05:44:42.444 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 05:44:42.444 INFO [stderr] 
Dec 19 05:44:42.476 INFO [stderr] warning: unused variable: `s1`
Dec 19 05:44:42.476 INFO [stderr]  --> src/lifetime.rs:5:10
Dec 19 05:44:42.476 INFO [stderr]   |
Dec 19 05:44:42.476 INFO [stderr] 5 |     let (s1,s2) = line.split_at(prefix.len());
Dec 19 05:44:42.476 INFO [stderr]   |          ^^ help: consider using `_s1` instead
Dec 19 05:44:42.476 INFO [stderr]   |
Dec 19 05:44:42.476 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 05:44:42.476 INFO [stderr] 
Dec 19 05:44:42.528 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 19 05:44:43.331 INFO running `"docker" "inspect" "ff92ca0593fb09e6cd5a73737222c5862183465c2f0f4f3273c5d0ce14eca811"`
Dec 19 05:44:43.698 INFO running `"docker" "rm" "-f" "ff92ca0593fb09e6cd5a73737222c5862183465c2f0f4f3273c5d0ce14eca811"`
Dec 19 05:44:44.008 INFO [stdout] ff92ca0593fb09e6cd5a73737222c5862183465c2f0f4f3273c5d0ce14eca811