[INFO] cloning repository https://github.com/Ensemble-Labs/music-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ensemble-Labs/music-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEnsemble-Labs%2Fmusic-server", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b1a58cbb11a6375c9ed3add62eedf2ef57ac7e0
[INFO] checking Ensemble-Labs/music-server against master#b52edc25bfbaa955b4b83c10f998e5224c3478b2 for pr-156776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEnsemble-Labs%2Fmusic-server" "/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/Ensemble-Labs/music-server
[INFO] finished tweaking git repo https://github.com/Ensemble-Labs/music-server
[INFO] tweaked toml for git repo https://github.com/Ensemble-Labs/music-server written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ensemble-Labs/music-server on toolchain b52edc25bfbaa955b4b83c10f998e5224c3478b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Ensemble-Labs/music-server 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" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "5c6f60d77471d592caafb95789b740fc437f83d0fa068ab9cf1266dc690742f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c6f60d77471d592caafb95789b740fc437f83d0fa068ab9cf1266dc690742f5", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/service/scanner/matcher.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/service/scanner/matcher.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 |     path::{Path, PathBuf},
[INFO] [stdout]   |            ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/service/scanner/file_parser.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut result: Vec<ParsedSong> = Vec::new();
[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: unused variable: `file_name`
[INFO] [stdout]   --> src/service/scanner/file_parser.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let file_name: OsString = entry.file_name();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsed_song`
[INFO] [stdout]   --> src/service/scanner/file_parser.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |         if let Some(parsed_song) = parse_local_id3(&path) {
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_song`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AccountData` is never constructed
[INFO] [stdout]   --> src/service/accounts.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct AccountData {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParsedSong` is never constructed
[INFO] [stdout]   --> src/service/scanner/file_parser.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ParsedSong {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan_dir` is never used
[INFO] [stdout]   --> src/service/scanner/file_parser.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn scan_dir(dir: &Path) -> io::Result<Vec<ParsedSong>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PartialID3Parse` is never constructed
[INFO] [stdout]   --> src/service/scanner/file_parser.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct PartialID3Parse {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_local_id3` is never used
[INFO] [stdout]   --> src/service/scanner/file_parser.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn parse_local_id3(path: &Path) -> Option<PartialID3Parse> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_local_chromaprint` is never used
[INFO] [stdout]   --> src/service/scanner/chromaprint.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn parse_local_chromaprint(file: File) -> Option<(String, Duration)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `byte_stream_chromaprint` is never used
[INFO] [stdout]   --> src/service/scanner/chromaprint.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn byte_stream_chromaprint(stream: &[i16], sample_rate: i32, num_channels: i32) -> Option<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/service/scanner/file_parser.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut result: Vec<ParsedSong> = Vec::new();
[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: unused variable: `file_name`
[INFO] [stdout]   --> src/service/scanner/file_parser.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let file_name: OsString = entry.file_name();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsed_song`
[INFO] [stdout]   --> src/service/scanner/file_parser.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |         if let Some(parsed_song) = parse_local_id3(&path) {
[INFO] [stdout]    |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_song`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AccountData` is never constructed
[INFO] [stdout]   --> src/service/accounts.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct AccountData {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParsedSong` is never constructed
[INFO] [stdout]   --> src/service/scanner/file_parser.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ParsedSong {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scan_dir` is never used
[INFO] [stdout]   --> src/service/scanner/file_parser.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn scan_dir(dir: &Path) -> io::Result<Vec<ParsedSong>> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PartialID3Parse` is never constructed
[INFO] [stdout]   --> src/service/scanner/file_parser.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct PartialID3Parse {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_local_id3` is never used
[INFO] [stdout]   --> src/service/scanner/file_parser.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn parse_local_id3(path: &Path) -> Option<PartialID3Parse> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_local_chromaprint` is never used
[INFO] [stdout]   --> src/service/scanner/chromaprint.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn parse_local_chromaprint(file: File) -> Option<(String, Duration)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `byte_stream_chromaprint` is never used
[INFO] [stdout]   --> src/service/scanner/chromaprint.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn byte_stream_chromaprint(stream: &[i16], sample_rate: i32, num_channels: i32) -> Option<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "99090e77bae5d1c70ac41f5f4835f2ae2c8c739a550ad7215c76d09f97feb010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99090e77bae5d1c70ac41f5f4835f2ae2c8c739a550ad7215c76d09f97feb010", kill_on_drop: false }`
[INFO] [stdout] 99090e77bae5d1c70ac41f5f4835f2ae2c8c739a550ad7215c76d09f97feb010
