[INFO] cloning repository https://github.com/josh-le/ultimate-guitar-player
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/josh-le/ultimate-guitar-player" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosh-le%2Fultimate-guitar-player", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosh-le%2Fultimate-guitar-player'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a19759745ab4887355d6f879deeaeea81e26f3f3
[INFO] fixing josh-le/ultimate-guitar-player against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosh-le%2Fultimate-guitar-player" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/josh-le/ultimate-guitar-player
[INFO] finished tweaking git repo https://github.com/josh-le/ultimate-guitar-player
[INFO] tweaked toml for git repo https://github.com/josh-le/ultimate-guitar-player written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/josh-le/ultimate-guitar-player on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/josh-le/ultimate-guitar-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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded servo_arc v0.4.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8830e2c324694253b975c0991a5671c176959dfc39b4373fea29488244f9ca8c
[INFO] running `Command { std: "docker" "start" "8830e2c324694253b975c0991a5671c176959dfc39b4373fea29488244f9ca8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8830e2c324694253b975c0991a5671c176959dfc39b4373fea29488244f9ca8c" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8830e2c324694253b975c0991a5671c176959dfc39b4373fea29488244f9ca8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8830e2c324694253b975c0991a5671c176959dfc39b4373fea29488244f9ca8c" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:111:40
[INFO] [stdout]     |
[INFO] [stdout] 111 | ...                   Ok(mut resp) => {
[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] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]    --> src/main.rs:120:126
[INFO] [stdout]     |
[INFO] [stdout] 120 | ...                   let title = app.song.as_ref().unwrap().title.as_ref().unwrap_or(&"Unknown".to_string());
[INFO] [stdout]     |                                                                                        ^^^^^^^^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement
[INFO] [stdout]     |                                                                                        |
[INFO] [stdout]     |                                                                                        creates a temporary value which is freed while still in use
[INFO] [stdout] 121 | ...                   let artist = app.song.as_ref().unwrap().artist.as_ref().unwrap_or(&"Unknown".to_string());
[INFO] [stdout] 122 | ...                   app.message = format!("Saved to fetched.html. Parsed {} chords for '{}' by {}", chord_count, title, artist);
[INFO] [stdout]     |                                                                                                                    ----- borrow later used here
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:111:40
[INFO] [stdout]     |
[INFO] [stdout] 111 | ...                   Ok(mut resp) => {
[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] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]    --> src/main.rs:120:126
[INFO] [stdout]     |
[INFO] [stdout] 120 | ...                   let title = app.song.as_ref().unwrap().title.as_ref().unwrap_or(&"Unknown".to_string());
[INFO] [stdout]     |                                                                                        ^^^^^^^^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement
[INFO] [stdout]     |                                                                                        |
[INFO] [stdout]     |                                                                                        creates a temporary value which is freed while still in use
[INFO] [stdout] 121 | ...                   let artist = app.song.as_ref().unwrap().artist.as_ref().unwrap_or(&"Unknown".to_string());
[INFO] [stdout] 122 | ...                   app.message = format!("Saved to fetched.html. Parsed {} chords for '{}' by {}", chord_count, title, artist);
[INFO] [stdout]     |                                                                                                                    ----- borrow later used here
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]    --> src/main.rs:121:128
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   let artist = app.song.as_ref().unwrap().artist.as_ref().unwrap_or(&"Unknown".to_string());
[INFO] [stdout]     |                                                                                          ^^^^^^^^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement
[INFO] [stdout]     |                                                                                          |
[INFO] [stdout]     |                                                                                          creates a temporary value which is freed while still in use
[INFO] [stdout] 122 | ...                   app.message = format!("Saved to fetched.html. Parsed {} chords for '{}' by {}", chord_count, title, artist);
[INFO] [stdout]     |                                                                                                                           ------ borrow later used here
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]    --> src/main.rs:121:128
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   let artist = app.song.as_ref().unwrap().artist.as_ref().unwrap_or(&"Unknown".to_string());
[INFO] [stdout]     |                                                                                          ^^^^^^^^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement
[INFO] [stdout]     |                                                                                          |
[INFO] [stdout]     |                                                                                          creates a temporary value which is freed while still in use
[INFO] [stdout] 122 | ...                   app.message = format!("Saved to fetched.html. Parsed {} chords for '{}' by {}", chord_count, title, artist);
[INFO] [stdout]     |                                                                                                                           ------ borrow later used here
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0716`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0716`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chord-site` (bin "chord-site") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `chord-site` (bin "chord-site" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8830e2c324694253b975c0991a5671c176959dfc39b4373fea29488244f9ca8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8830e2c324694253b975c0991a5671c176959dfc39b4373fea29488244f9ca8c", kill_on_drop: false }`
[INFO] [stdout] 8830e2c324694253b975c0991a5671c176959dfc39b4373fea29488244f9ca8c
