[INFO] fetching crate symphonia-bundle-mp3 0.5.4...
[INFO] checking symphonia-bundle-mp3-0.5.4 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate symphonia-bundle-mp3 0.5.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate symphonia-bundle-mp3 0.5.4 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symphonia-bundle-mp3 0.5.4
[INFO] finished tweaking crates.io crate symphonia-bundle-mp3 0.5.4
[INFO] tweaked toml for crates.io crate symphonia-bundle-mp3 0.5.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 802f8264061965c46764d1c6940bff213a952d0c99d89e7c83925f9914e08b05
[INFO] running `Command { std: "docker" "start" "-a" "802f8264061965c46764d1c6940bff213a952d0c99d89e7c83925f9914e08b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "802f8264061965c46764d1c6940bff213a952d0c99d89e7c83925f9914e08b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802f8264061965c46764d1c6940bff213a952d0c99d89e7c83925f9914e08b05", kill_on_drop: false }`
[INFO] [stdout] 802f8264061965c46764d1c6940bff213a952d0c99d89e7c83925f9914e08b05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d0af105f0ed6273040ad384387a69e0d6ff87373b86116b3c7b9d67627d308c
[INFO] running `Command { std: "docker" "start" "-a" "6d0af105f0ed6273040ad384387a69e0d6ff87373b86116b3c7b9d67627d308c", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking symphonia-core v0.5.4
[INFO] [stderr]     Checking symphonia-metadata v0.5.4
[INFO] [stderr]     Checking symphonia-bundle-mp3 v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `emphasis`, `is_copyrighted`, `is_original`, and `has_padding` are never read
[INFO] [stdout]    --> src/common.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 93  | pub struct FrameHeader {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub emphasis: Emphasis,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 101 |     pub is_copyrighted: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 102 |     pub is_original: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 103 |     pub has_padding: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FrameHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `emphasis`, `is_copyrighted`, `is_original`, and `has_padding` are never read
[INFO] [stdout]    --> src/common.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 93  | pub struct FrameHeader {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub emphasis: Emphasis,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 101 |     pub is_copyrighted: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 102 |     pub is_original: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 103 |     pub has_padding: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FrameHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "6d0af105f0ed6273040ad384387a69e0d6ff87373b86116b3c7b9d67627d308c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d0af105f0ed6273040ad384387a69e0d6ff87373b86116b3c7b9d67627d308c", kill_on_drop: false }`
[INFO] [stdout] 6d0af105f0ed6273040ad384387a69e0d6ff87373b86116b3c7b9d67627d308c