[INFO] fetching crate symphonia-core 0.2.0...
[INFO] checking symphonia-core-0.2.0 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate symphonia-core 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate symphonia-core 0.2.0 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symphonia-core 0.2.0
[INFO] finished tweaking crates.io crate symphonia-core 0.2.0
[INFO] tweaked toml for crates.io crate symphonia-core 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa21c76723d9f1c6795b70e8e50e3c3c6e6acf7b2c56fcff71f0e7bc731275e7
[INFO] running `Command { std: "docker" "start" "-a" "aa21c76723d9f1c6795b70e8e50e3c3c6e6acf7b2c56fcff71f0e7bc731275e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa21c76723d9f1c6795b70e8e50e3c3c6e6acf7b2c56fcff71f0e7bc731275e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa21c76723d9f1c6795b70e8e50e3c3c6e6acf7b2c56fcff71f0e7bc731275e7", kill_on_drop: false }`
[INFO] [stdout] aa21c76723d9f1c6795b70e8e50e3c3c6e6acf7b2c56fcff71f0e7bc731275e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6501d4497220db951f6a12254f59e2df399990a011af3ea53615891b73ca02c5
[INFO] running `Command { std: "docker" "start" "-a" "6501d4497220db951f6a12254f59e2df399990a011af3ea53615891b73ca02c5", kill_on_drop: false }`
[INFO] [stderr]     Checking symphonia-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `extension`
[INFO] [stdout]    --> src/probe.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     extension: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mime_type`
[INFO] [stdout]    --> src/probe.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     mime_type: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `extension`
[INFO] [stdout]    --> src/probe.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     extension: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mime_type`
[INFO] [stdout]    --> src/probe.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     mime_type: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "6501d4497220db951f6a12254f59e2df399990a011af3ea53615891b73ca02c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6501d4497220db951f6a12254f59e2df399990a011af3ea53615891b73ca02c5", kill_on_drop: false }`
[INFO] [stdout] 6501d4497220db951f6a12254f59e2df399990a011af3ea53615891b73ca02c5