[INFO] cloning repository https://github.com/spk/karaorust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spk/karaorust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspk%2Fkaraorust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspk%2Fkaraorust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1923cf7d7e9aa81f664e11471ee7ae42c980f93
[INFO] testing spk/karaorust against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspk%2Fkaraorust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spk/karaorust on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spk/karaorust
[INFO] finished tweaking git repo https://github.com/spk/karaorust
[INFO] tweaked toml for git repo https://github.com/spk/karaorust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/spk/karaorust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 561d101872902d08c0d414868d647dcd98ead6fe1da7937279d9c38b6ee63967
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "561d101872902d08c0d414868d647dcd98ead6fe1da7937279d9c38b6ee63967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "561d101872902d08c0d414868d647dcd98ead6fe1da7937279d9c38b6ee63967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "561d101872902d08c0d414868d647dcd98ead6fe1da7937279d9c38b6ee63967", kill_on_drop: false }`
[INFO] [stdout] 561d101872902d08c0d414868d647dcd98ead6fe1da7937279d9c38b6ee63967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 530e81dda9f24e383554b7e8357edc6f033f7a42adb3a70be66099d7af4987d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "530e81dda9f24e383554b7e8357edc6f033f7a42adb3a70be66099d7af4987d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling combine v1.3.0
[INFO] [stderr]    Compiling karaorust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/parser/mod.rs:94:55
[INFO] [stdout]    |
[INFO] [stdout] 94 |             println!("Couldn't open {}: {}", display, Error::description(&err));
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser/mod.rs:103:55
[INFO] [stdout]     |
[INFO] [stdout] 103 |             println!("Couldn't read {}: {}", display, Error::description(&err));
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser/mod.rs:126:48
[INFO] [stdout]     |
[INFO] [stdout] 126 |             println!("Couldn't read file: {}", Error::description(&err));
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/parser/mod.rs:35:50
[INFO] [stdout]    |
[INFO] [stdout] 35 |         .map(|(_, key, _, value, _)| (key, value.trim_right().to_string()))
[INFO] [stdout]    |                                                  ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/parser/mod.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 text: text.trim_right().to_string(),
[INFO] [stdout]    |                            ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "530e81dda9f24e383554b7e8357edc6f033f7a42adb3a70be66099d7af4987d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530e81dda9f24e383554b7e8357edc6f033f7a42adb3a70be66099d7af4987d4", kill_on_drop: false }`
[INFO] [stdout] 530e81dda9f24e383554b7e8357edc6f033f7a42adb3a70be66099d7af4987d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b0d447c823cfa7094613d67c7e87113a34af61eb02a6891bc33b35fbf7dfcc3
[INFO] running `Command { std: "docker" "start" "-a" "2b0d447c823cfa7094613d67c7e87113a34af61eb02a6891bc33b35fbf7dfcc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling karaorust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/parser/mod.rs:94:55
[INFO] [stdout]    |
[INFO] [stdout] 94 |             println!("Couldn't open {}: {}", display, Error::description(&err));
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser/mod.rs:103:55
[INFO] [stdout]     |
[INFO] [stdout] 103 |             println!("Couldn't read {}: {}", display, Error::description(&err));
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser/mod.rs:126:48
[INFO] [stdout]     |
[INFO] [stdout] 126 |             println!("Couldn't read file: {}", Error::description(&err));
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/parser/mod.rs:35:50
[INFO] [stdout]    |
[INFO] [stdout] 35 |         .map(|(_, key, _, value, _)| (key, value.trim_right().to_string()))
[INFO] [stdout]    |                                                  ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/parser/mod.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 text: text.trim_right().to_string(),
[INFO] [stdout]    |                            ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `karaorust::parse_karaoke_file`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use karaorust::parse_karaoke_file;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/parser/mod.rs:94:55
[INFO] [stdout]    |
[INFO] [stdout] 94 |             println!("Couldn't open {}: {}", display, Error::description(&err));
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser/mod.rs:103:55
[INFO] [stdout]     |
[INFO] [stdout] 103 |             println!("Couldn't read {}: {}", display, Error::description(&err));
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/parser/mod.rs:126:48
[INFO] [stdout]     |
[INFO] [stdout] 126 |             println!("Couldn't read file: {}", Error::description(&err));
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/parser/mod.rs:35:50
[INFO] [stdout]    |
[INFO] [stdout] 35 |         .map(|(_, key, _, value, _)| (key, value.trim_right().to_string()))
[INFO] [stdout]    |                                                  ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/parser/mod.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 text: text.trim_right().to_string(),
[INFO] [stdout]    |                            ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "2b0d447c823cfa7094613d67c7e87113a34af61eb02a6891bc33b35fbf7dfcc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0d447c823cfa7094613d67c7e87113a34af61eb02a6891bc33b35fbf7dfcc3", kill_on_drop: false }`
[INFO] [stdout] 2b0d447c823cfa7094613d67c7e87113a34af61eb02a6891bc33b35fbf7dfcc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8b62ba816234f6c621600242f9b088ce9911ef92aaf56edd8d518c7694f6d33
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d8b62ba816234f6c621600242f9b088ce9911ef92aaf56edd8d518c7694f6d33", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/parser/mod.rs:94:55
[INFO] [stderr]    |
[INFO] [stderr] 94 |             println!("Couldn't open {}: {}", display, Error::description(&err));
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser/mod.rs:103:55
[INFO] [stderr]     |
[INFO] [stderr] 103 |             println!("Couldn't read {}: {}", display, Error::description(&err));
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser/mod.rs:126:48
[INFO] [stderr]     |
[INFO] [stderr] 126 |             println!("Couldn't read file: {}", Error::description(&err));
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^
[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:35:50
[INFO] [stderr]    |
[INFO] [stderr] 35 |         .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] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/parser/mod.rs:62:28
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 text: text.trim_right().to_string(),
[INFO] [stderr]    |                            ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/parser/mod.rs:94:55
[INFO] [stderr]    |
[INFO] [stderr] 94 |             println!("Couldn't open {}: {}", display, Error::description(&err));
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser/mod.rs:103:55
[INFO] [stderr]     |
[INFO] [stderr] 103 |             println!("Couldn't read {}: {}", display, Error::description(&err));
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/parser/mod.rs:126:48
[INFO] [stderr]     |
[INFO] [stderr] 126 |             println!("Couldn't read file: {}", Error::description(&err));
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^
[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:35:50
[INFO] [stderr]    |
[INFO] [stderr] 35 |         .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] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/parser/mod.rs:62:28
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 text: text.trim_right().to_string(),
[INFO] [stderr]    |                            ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `karaorust::parse_karaoke_file`
[INFO] [stderr]  --> src/main.rs:6:5
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/karaorust-895a27b1407879b6
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_header_line ... ok
[INFO] [stdout] test tests::test_karaoke_simple ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/karaorust-3f2a63608723d205
[INFO] [stdout] test tests::test_karaoke_complete ... ok
[INFO] [stderr]    Doc-tests karaorust
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d8b62ba816234f6c621600242f9b088ce9911ef92aaf56edd8d518c7694f6d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b62ba816234f6c621600242f9b088ce9911ef92aaf56edd8d518c7694f6d33", kill_on_drop: false }`
[INFO] [stdout] d8b62ba816234f6c621600242f9b088ce9911ef92aaf56edd8d518c7694f6d33