[INFO] fetching crate symphonia-format-isomp4 0.4.0...
[INFO] testing symphonia-format-isomp4-0.4.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate symphonia-format-isomp4 0.4.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate symphonia-format-isomp4 0.4.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 119325c47ec6835de33b9287cf9952a87d1abeef1a1455618b4433bf3e511670
[INFO] running `Command { std: "docker" "start" "-a" "119325c47ec6835de33b9287cf9952a87d1abeef1a1455618b4433bf3e511670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "119325c47ec6835de33b9287cf9952a87d1abeef1a1455618b4433bf3e511670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "119325c47ec6835de33b9287cf9952a87d1abeef1a1455618b4433bf3e511670", kill_on_drop: false }`
[INFO] [stdout] 119325c47ec6835de33b9287cf9952a87d1abeef1a1455618b4433bf3e511670
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4842186f7fb083e7a9a5f3b040f6d5e8f706ad1177ef18c2e316757551962532
[INFO] running `Command { std: "docker" "start" "-a" "4842186f7fb083e7a9a5f3b040f6d5e8f706ad1177ef18c2e316757551962532", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[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 5.39s
[INFO] running `Command { std: "docker" "inspect" "4842186f7fb083e7a9a5f3b040f6d5e8f706ad1177ef18c2e316757551962532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4842186f7fb083e7a9a5f3b040f6d5e8f706ad1177ef18c2e316757551962532", kill_on_drop: false }`
[INFO] [stdout] 4842186f7fb083e7a9a5f3b040f6d5e8f706ad1177ef18c2e316757551962532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b24347a17a58a4470049763904568bab3f9face5cdee115bbea23cc329ee4b6
[INFO] running `Command { std: "docker" "start" "-a" "0b24347a17a58a4470049763904568bab3f9face5cdee115bbea23cc329ee4b6", 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 1.05s
[INFO] running `Command { std: "docker" "inspect" "0b24347a17a58a4470049763904568bab3f9face5cdee115bbea23cc329ee4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b24347a17a58a4470049763904568bab3f9face5cdee115bbea23cc329ee4b6", kill_on_drop: false }`
[INFO] [stdout] 0b24347a17a58a4470049763904568bab3f9face5cdee115bbea23cc329ee4b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 50315a54a36955599cc9d14f2b5ea0c94beb4def0c6fbd56dbc99cd9735830e6
[INFO] running `Command { std: "docker" "start" "-a" "50315a54a36955599cc9d14f2b5ea0c94beb4def0c6fbd56dbc99cd9735830e6", 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 1.45s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/symphonia_format_isomp4-3dfa9167a3a16da8)
[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] [stderr]    Doc-tests symphonia-format-isomp4
[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" "50315a54a36955599cc9d14f2b5ea0c94beb4def0c6fbd56dbc99cd9735830e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50315a54a36955599cc9d14f2b5ea0c94beb4def0c6fbd56dbc99cd9735830e6", kill_on_drop: false }`
[INFO] [stdout] 50315a54a36955599cc9d14f2b5ea0c94beb4def0c6fbd56dbc99cd9735830e6