[INFO] fetching crate symphonia-format-isomp4 0.3.0...
[INFO] checking symphonia-format-isomp4-0.3.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate symphonia-format-isomp4 0.3.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate symphonia-format-isomp4 0.3.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symphonia-format-isomp4 0.3.0
[INFO] finished tweaking crates.io crate symphonia-format-isomp4 0.3.0
[INFO] tweaked toml for crates.io crate symphonia-format-isomp4 0.3.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa4e9d0bf2affbfd513268062b854ee47ea5ddd22ab04018c7a00c80c5ca621c
[INFO] running `Command { std: "docker" "start" "-a" "fa4e9d0bf2affbfd513268062b854ee47ea5ddd22ab04018c7a00c80c5ca621c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa4e9d0bf2affbfd513268062b854ee47ea5ddd22ab04018c7a00c80c5ca621c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4e9d0bf2affbfd513268062b854ee47ea5ddd22ab04018c7a00c80c5ca621c", kill_on_drop: false }`
[INFO] [stdout] fa4e9d0bf2affbfd513268062b854ee47ea5ddd22ab04018c7a00c80c5ca621c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5171a62d504c580046db20902b8ef510590ed9becb4b3ddec5cd436d0697443a
[INFO] running `Command { std: "docker" "start" "-a" "5171a62d504c580046db20902b8ef510590ed9becb4b3ddec5cd436d0697443a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking arrayvec v0.6.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking symphonia-core v0.3.0
[INFO] [stderr]     Checking symphonia-metadata v0.3.0
[INFO] [stderr]     Checking symphonia-format-isomp4 v0.3.0 (/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 dev [unoptimized + debuginfo] target(s) in 4.28s
[INFO] running `Command { std: "docker" "inspect" "5171a62d504c580046db20902b8ef510590ed9becb4b3ddec5cd436d0697443a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5171a62d504c580046db20902b8ef510590ed9becb4b3ddec5cd436d0697443a", kill_on_drop: false }`
[INFO] [stdout] 5171a62d504c580046db20902b8ef510590ed9becb4b3ddec5cd436d0697443a