[INFO] fetching crate karaorust 0.0.1...
[INFO] extracting crate karaorust 0.0.1 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/karaorust/0.0.1
[INFO] extracting crate karaorust 0.0.1 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/karaorust/0.0.1
[INFO] validating manifest of karaorust-0.0.1 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of karaorust-0.0.1 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing karaorust-0.0.1
[INFO] finished frobbing karaorust-0.0.1
[INFO] frobbed toml for karaorust-0.0.1 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/karaorust/0.0.1/Cargo.toml
[INFO] started frobbing karaorust-0.0.1
[INFO] finished frobbing karaorust-0.0.1
[INFO] frobbed toml for karaorust-0.0.1 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/karaorust/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking karaorust-0.0.1 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/karaorust/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 610be6bf44d48c809089925280874c3770454e391ac48a388dd86d1253bd564f
[INFO] running `"docker" "start" "-a" "610be6bf44d48c809089925280874c3770454e391ac48a388dd86d1253bd564f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking combine v1.3.0
[INFO] [stderr]     Checking karaorust v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/parser/mod.rs:34:50
[INFO] [stderr]    |
[INFO] [stderr] 34 |         .map(|(_, key, _, value, _)| (key, value.trim_right().to_string()))
[INFO] [stderr]    |                                                  ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/parser/mod.rs:60:28
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 text: text.trim_right().to_string()
[INFO] [stderr]    |                            ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/parser/mod.rs:34:50
[INFO] [stderr]    |
[INFO] [stderr] 34 |         .map(|(_, key, _, value, _)| (key, value.trim_right().to_string()))
[INFO] [stderr]    |                                                  ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/parser/mod.rs:60:28
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 text: text.trim_right().to_string()
[INFO] [stderr]    |                            ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parse_karaoke_file`
[INFO] [stderr]  --> src/main.rs:6:18
[INFO] [stderr]   |
[INFO] [stderr] 6 | use karaorust::{ parse_karaoke_file };
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "610be6bf44d48c809089925280874c3770454e391ac48a388dd86d1253bd564f"`
[INFO] running `"docker" "rm" "-f" "610be6bf44d48c809089925280874c3770454e391ac48a388dd86d1253bd564f"`
[INFO] [stdout] 610be6bf44d48c809089925280874c3770454e391ac48a388dd86d1253bd564f