Dec 18 13:18:57.772 INFO checking otters-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:18:57.772 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/otters/0.1.0:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:18:57.945 INFO [stdout] 1af3fbeceffb4b8ce2cfc518930197e87dfb7a969dcd2e01a3ddd61ae71015c2
Dec 18 13:18:57.950 INFO running `"docker" "start" "-a" "1af3fbeceffb4b8ce2cfc518930197e87dfb7a969dcd2e01a3ddd61ae71015c2"`
Dec 18 13:18:59.206 INFO [stderr]     Checking otters v0.1.0 (/opt/crater/workdir)
Dec 18 13:18:59.476 INFO [stderr] warning: unused variable: `i`
Dec 18 13:18:59.476 INFO [stderr]   --> src/lib.rs:21:9
Dec 18 13:18:59.476 INFO [stderr]    |
Dec 18 13:18:59.476 INFO [stderr] 21 |     for i in 0..n {
Dec 18 13:18:59.476 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 18 13:18:59.476 INFO [stderr]    |
Dec 18 13:18:59.476 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 13:18:59.476 INFO [stderr] 
Dec 18 13:18:59.476 INFO [stderr] warning: function is never used: `otters`
Dec 18 13:18:59.476 INFO [stderr]   --> src/lib.rs:20:1
Dec 18 13:18:59.476 INFO [stderr]    |
Dec 18 13:18:59.476 INFO [stderr] 20 | fn otters(n: u32) {
Dec 18 13:18:59.476 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 18 13:18:59.476 INFO [stderr]    |
Dec 18 13:18:59.476 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 13:18:59.476 INFO [stderr] 
Dec 18 13:18:59.600 INFO [stderr] warning: unused variable: `i`
Dec 18 13:18:59.600 INFO [stderr]   --> src/lib.rs:21:9
Dec 18 13:18:59.600 INFO [stderr]    |
Dec 18 13:18:59.600 INFO [stderr] 21 |     for i in 0..n {
Dec 18 13:18:59.600 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 18 13:18:59.600 INFO [stderr]    |
Dec 18 13:18:59.600 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 13:18:59.600 INFO [stderr] 
Dec 18 13:18:59.600 INFO [stderr] warning: function is never used: `otters`
Dec 18 13:18:59.600 INFO [stderr]   --> src/lib.rs:20:1
Dec 18 13:18:59.600 INFO [stderr]    |
Dec 18 13:18:59.600 INFO [stderr] 20 | fn otters(n: u32) {
Dec 18 13:18:59.600 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 18 13:18:59.600 INFO [stderr]    |
Dec 18 13:18:59.600 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 13:18:59.600 INFO [stderr] 
Dec 18 13:18:59.632 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Dec 18 13:19:00.118 INFO running `"docker" "inspect" "1af3fbeceffb4b8ce2cfc518930197e87dfb7a969dcd2e01a3ddd61ae71015c2"`
Dec 18 13:19:00.330 INFO running `"docker" "rm" "-f" "1af3fbeceffb4b8ce2cfc518930197e87dfb7a969dcd2e01a3ddd61ae71015c2"`
Dec 18 13:19:00.458 INFO [stdout] 1af3fbeceffb4b8ce2cfc518930197e87dfb7a969dcd2e01a3ddd61ae71015c2