[INFO] cloning repository https://github.com/itsmenewbie03/rs-lyrics-player [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itsmenewbie03/rs-lyrics-player" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsmenewbie03%2Frs-lyrics-player", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsmenewbie03%2Frs-lyrics-player'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4abcc57aa8de6cef062a09906aac1587b456e0b2 [INFO] testing itsmenewbie03/rs-lyrics-player against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsmenewbie03%2Frs-lyrics-player" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/itsmenewbie03/rs-lyrics-player [INFO] finished tweaking git repo https://github.com/itsmenewbie03/rs-lyrics-player [INFO] tweaked toml for git repo https://github.com/itsmenewbie03/rs-lyrics-player written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/itsmenewbie03/rs-lyrics-player on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/itsmenewbie03/rs-lyrics-player already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fancy-regex v0.12.0 [INFO] [stderr] Downloaded figlet-rs v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] af4271ceb88dfcab071b42ab478c70e6359996b5fd2afd8de8d5859c6f0e4cb9 [INFO] running `Command { std: "docker" "start" "-a" "af4271ceb88dfcab071b42ab478c70e6359996b5fd2afd8de8d5859c6f0e4cb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af4271ceb88dfcab071b42ab478c70e6359996b5fd2afd8de8d5859c6f0e4cb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af4271ceb88dfcab071b42ab478c70e6359996b5fd2afd8de8d5859c6f0e4cb9", kill_on_drop: false }` [INFO] [stdout] af4271ceb88dfcab071b42ab478c70e6359996b5fd2afd8de8d5859c6f0e4cb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c0b1bb28d27251c5e618807dd6e59817c0e1eb2482bfd6c484c9b00c9c910ad5 [INFO] running `Command { std: "docker" "start" "-a" "c0b1bb28d27251c5e618807dd6e59817c0e1eb2482bfd6c484c9b00c9c910ad5", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling figlet-rs v0.1.5 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling regex-automata v0.4.3 [INFO] [stderr] Compiling regex v1.10.2 [INFO] [stderr] Compiling fancy-regex v0.12.0 [INFO] [stderr] Compiling rs-lyrics-player v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:53:21 [INFO] [stdout] | [INFO] [stdout] 53 | let mut lines: Vec = lyrics [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | fn iter(&self) -> LyricsIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 41 | fn iter(&self) -> LyricsIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.62s [INFO] running `Command { std: "docker" "inspect" "c0b1bb28d27251c5e618807dd6e59817c0e1eb2482bfd6c484c9b00c9c910ad5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0b1bb28d27251c5e618807dd6e59817c0e1eb2482bfd6c484c9b00c9c910ad5", kill_on_drop: false }` [INFO] [stdout] c0b1bb28d27251c5e618807dd6e59817c0e1eb2482bfd6c484c9b00c9c910ad5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aacc9df9f0d38a1358430ce520507150f2bb483a3133d4e3c0df1c3e27951202 [INFO] running `Command { std: "docker" "start" "-a" "aacc9df9f0d38a1358430ce520507150f2bb483a3133d4e3c0df1c3e27951202", kill_on_drop: false }` [INFO] [stderr] Compiling rs-lyrics-player v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:53:21 [INFO] [stdout] | [INFO] [stdout] 53 | let mut lines: Vec = lyrics [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | fn iter(&self) -> LyricsIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 41 | fn iter(&self) -> LyricsIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "aacc9df9f0d38a1358430ce520507150f2bb483a3133d4e3c0df1c3e27951202", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aacc9df9f0d38a1358430ce520507150f2bb483a3133d4e3c0df1c3e27951202", kill_on_drop: false }` [INFO] [stdout] aacc9df9f0d38a1358430ce520507150f2bb483a3133d4e3c0df1c3e27951202 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fb876f7d4df71eab9c753c5f4a1a52b2a520c6aba1652c512f4fa718904e7f43 [INFO] running `Command { std: "docker" "start" "-a" "fb876f7d4df71eab9c753c5f4a1a52b2a520c6aba1652c512f4fa718904e7f43", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:53:21 [INFO] [stderr] | [INFO] [stderr] 53 | let mut lines: Vec = lyrics [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/main.rs:41:13 [INFO] [stderr] | [INFO] [stderr] 41 | fn iter(&self) -> LyricsIterator { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 41 | fn iter(&self) -> LyricsIterator<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `rs-lyrics-player` (bin "rs-lyrics-player" test) generated 2 warnings (run `cargo fix --bin "rs-lyrics-player" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rs_lyrics_player-520d80330c514d2c) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fb876f7d4df71eab9c753c5f4a1a52b2a520c6aba1652c512f4fa718904e7f43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb876f7d4df71eab9c753c5f4a1a52b2a520c6aba1652c512f4fa718904e7f43", kill_on_drop: false }` [INFO] [stdout] fb876f7d4df71eab9c753c5f4a1a52b2a520c6aba1652c512f4fa718904e7f43