[INFO] fetching crate symphonia-format-riff 0.5.4...
[INFO] checking symphonia-format-riff-0.5.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate symphonia-format-riff 0.5.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate symphonia-format-riff 0.5.4 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symphonia-format-riff 0.5.4
[INFO] finished tweaking crates.io crate symphonia-format-riff 0.5.4
[INFO] tweaked toml for crates.io crate symphonia-format-riff 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 (available: v2.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 049fc79df7bc62ac0e752412747d0b17d49d04f23d093d0f3097ed5177f0a662
[INFO] running `Command { std: "docker" "start" "-a" "049fc79df7bc62ac0e752412747d0b17d49d04f23d093d0f3097ed5177f0a662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "049fc79df7bc62ac0e752412747d0b17d49d04f23d093d0f3097ed5177f0a662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049fc79df7bc62ac0e752412747d0b17d49d04f23d093d0f3097ed5177f0a662", kill_on_drop: false }`
[INFO] [stdout] 049fc79df7bc62ac0e752412747d0b17d49d04f23d093d0f3097ed5177f0a662
[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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0199c72381d9eb43309cc02de417004a812593d8646d7d789e6924f6cf508382
[INFO] running `Command { std: "docker" "start" "-a" "0199c72381d9eb43309cc02de417004a812593d8646d7d789e6924f6cf508382", kill_on_drop: false }`
[INFO] [stderr]     Checking extended v0.1.0
[INFO] [stderr]     Checking symphonia-core v0.5.4
[INFO] [stderr]     Checking symphonia-metadata v0.5.4
[INFO] [stderr]     Checking symphonia-format-riff v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `n_sample_frames` is never read
[INFO] [stdout]   --> src/aiff/chunks.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct CommonChunk {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub n_sample_frames: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `offset` and `block_size` are never read
[INFO] [stdout]    --> src/aiff/chunks.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 252 | pub struct SoundChunk {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 253 |     pub len: u32,
[INFO] [stdout] 254 |     pub offset: u32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 255 |     pub block_size: u32,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `n_sample_frames` is never read
[INFO] [stdout]   --> src/aiff/chunks.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct CommonChunk {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub n_sample_frames: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `offset` and `block_size` are never read
[INFO] [stdout]    --> src/aiff/chunks.rs:254:9
[INFO] [stdout]     |
[INFO] [stdout] 252 | pub struct SoundChunk {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 253 |     pub len: u32,
[INFO] [stdout] 254 |     pub offset: u32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 255 |     pub block_size: u32,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "0199c72381d9eb43309cc02de417004a812593d8646d7d789e6924f6cf508382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0199c72381d9eb43309cc02de417004a812593d8646d7d789e6924f6cf508382", kill_on_drop: false }`
[INFO] [stdout] 0199c72381d9eb43309cc02de417004a812593d8646d7d789e6924f6cf508382