[INFO] fetching crate symphonia-format-isomp4 0.4.0...
[INFO] testing symphonia-format-isomp4-0.4.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate symphonia-format-isomp4 0.4.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate symphonia-format-isomp4 0.4.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symphonia-format-isomp4 0.4.0
[INFO] finished tweaking crates.io crate symphonia-format-isomp4 0.4.0
[INFO] tweaked toml for crates.io crate symphonia-format-isomp4 0.4.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b2ccb063e13238ac0496c1ef9fcaa52db7f7a476f511cfe368f313c0cae09c1
[INFO] running `Command { std: "docker" "start" "-a" "5b2ccb063e13238ac0496c1ef9fcaa52db7f7a476f511cfe368f313c0cae09c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b2ccb063e13238ac0496c1ef9fcaa52db7f7a476f511cfe368f313c0cae09c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b2ccb063e13238ac0496c1ef9fcaa52db7f7a476f511cfe368f313c0cae09c1", kill_on_drop: false }`
[INFO] [stdout] 5b2ccb063e13238ac0496c1ef9fcaa52db7f7a476f511cfe368f313c0cae09c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c3c3decaeef72386abc5f73f39afed386efb1f298753327c60015473b88486c
[INFO] running `Command { std: "docker" "start" "-a" "4c3c3decaeef72386abc5f73f39afed386efb1f298753327c60015473b88486c", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling symphonia-core v0.4.0
[INFO] [stderr]    Compiling symphonia-metadata v0.4.0
[INFO] [stderr]    Compiling symphonia-format-isomp4 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `segment_duration`
[INFO] [stdout]   --> src/atoms/elst.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     segment_duration: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `media_time`
[INFO] [stdout]   --> src/atoms/elst.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     media_time: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `media_rate_int`
[INFO] [stdout]   --> src/atoms/elst.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     media_rate_int: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `media_rate_frac`
[INFO] [stdout]   --> src/atoms/elst.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     media_rate_frac: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `entries`
[INFO] [stdout]   --> src/atoms/elst.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     entries: Vec<ElstEntry>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "4c3c3decaeef72386abc5f73f39afed386efb1f298753327c60015473b88486c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3c3decaeef72386abc5f73f39afed386efb1f298753327c60015473b88486c", kill_on_drop: false }`
[INFO] [stdout] 4c3c3decaeef72386abc5f73f39afed386efb1f298753327c60015473b88486c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47caef3d5d3f10c27c5de1d1ba1b7ba30fe4250f07bcded178fc7ff611eb2241
[INFO] running `Command { std: "docker" "start" "-a" "47caef3d5d3f10c27c5de1d1ba1b7ba30fe4250f07bcded178fc7ff611eb2241", kill_on_drop: false }`
[INFO] [stderr]    Compiling symphonia-format-isomp4 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `segment_duration`
[INFO] [stdout]   --> src/atoms/elst.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     segment_duration: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `media_time`
[INFO] [stdout]   --> src/atoms/elst.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     media_time: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `media_rate_int`
[INFO] [stdout]   --> src/atoms/elst.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     media_rate_int: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `media_rate_frac`
[INFO] [stdout]   --> src/atoms/elst.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     media_rate_frac: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `entries`
[INFO] [stdout]   --> src/atoms/elst.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     entries: Vec<ElstEntry>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `segment_duration`
[INFO] [stdout]   --> src/atoms/elst.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     segment_duration: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `media_time`
[INFO] [stdout]   --> src/atoms/elst.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     media_time: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `media_rate_int`
[INFO] [stdout]   --> src/atoms/elst.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     media_rate_int: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `media_rate_frac`
[INFO] [stdout]   --> src/atoms/elst.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     media_rate_frac: i16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `entries`
[INFO] [stdout]   --> src/atoms/elst.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     entries: Vec<ElstEntry>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "47caef3d5d3f10c27c5de1d1ba1b7ba30fe4250f07bcded178fc7ff611eb2241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47caef3d5d3f10c27c5de1d1ba1b7ba30fe4250f07bcded178fc7ff611eb2241", kill_on_drop: false }`
[INFO] [stdout] 47caef3d5d3f10c27c5de1d1ba1b7ba30fe4250f07bcded178fc7ff611eb2241
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 509238f157911e4220a92480d59b1778ce18dbcd3ae6847d5b281b8508cc03b6
[INFO] running `Command { std: "docker" "start" "-a" "509238f157911e4220a92480d59b1778ce18dbcd3ae6847d5b281b8508cc03b6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `segment_duration`
[INFO] [stderr]   --> src/atoms/elst.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     segment_duration: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `media_time`
[INFO] [stderr]   --> src/atoms/elst.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     media_time: i64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `media_rate_int`
[INFO] [stderr]   --> src/atoms/elst.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     media_rate_int: i16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `media_rate_frac`
[INFO] [stderr]   --> src/atoms/elst.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     media_rate_frac: i16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `entries`
[INFO] [stderr]   --> src/atoms/elst.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     entries: Vec<ElstEntry>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `symphonia-format-isomp4` (lib) generated 5 warnings
[INFO] [stderr] warning: `symphonia-format-isomp4` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/symphonia_format_isomp4-3dfa9167a3a16da8)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests symphonia-format-isomp4
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "509238f157911e4220a92480d59b1778ce18dbcd3ae6847d5b281b8508cc03b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509238f157911e4220a92480d59b1778ce18dbcd3ae6847d5b281b8508cc03b6", kill_on_drop: false }`
[INFO] [stdout] 509238f157911e4220a92480d59b1778ce18dbcd3ae6847d5b281b8508cc03b6