[INFO] cloning repository https://github.com/mdx97/midi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdx97/midi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdx97%2Fmidi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdx97%2Fmidi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b746b303e2b300fc25d6a9b85cbc8ef60a78995
[INFO] testing mdx97/midi against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdx97%2Fmidi" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mdx97/midi
[INFO] finished tweaking git repo https://github.com/mdx97/midi
[INFO] tweaked toml for git repo https://github.com/mdx97/midi written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mdx97/midi on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mdx97/midi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.25.0
[INFO] [stderr]   Downloaded strum_macros v0.25.2
[INFO] [stderr]   Downloaded syn v2.0.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83dce443d17f942f0e0eb5db3819ba7d92bd93b1b7284e36faee876623a94587
[INFO] running `Command { std: "docker" "start" "-a" "83dce443d17f942f0e0eb5db3819ba7d92bd93b1b7284e36faee876623a94587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83dce443d17f942f0e0eb5db3819ba7d92bd93b1b7284e36faee876623a94587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83dce443d17f942f0e0eb5db3819ba7d92bd93b1b7284e36faee876623a94587", kill_on_drop: false }`
[INFO] [stdout] 83dce443d17f942f0e0eb5db3819ba7d92bd93b1b7284e36faee876623a94587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ccbc8e6260755c442512d3ab6189b524655336710ef98334e3f40ce46b83908
[INFO] running `Command { std: "docker" "start" "-a" "9ccbc8e6260755c442512d3ab6189b524655336710ef98334e3f40ce46b83908", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling strum_macros v0.25.2
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling midi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `format` and `division` are never read
[INFO] [stdout]   --> src/midi.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct MidiFile {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 13 |     format: Format,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     division: Division,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiFile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ticks_per_quarter_note` is never read
[INFO] [stdout]    --> src/midi.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     Metrical {
[INFO] [stdout]     |     -------- field in this variant
[INFO] [stdout] 104 |         ticks_per_quarter_note: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Division` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `smpte_format` and `ticks_per_frame` are never read
[INFO] [stdout]    --> src/midi.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     TimeCode {
[INFO] [stdout]     |     -------- fields in this variant
[INFO] [stdout] 107 |         smpte_format: SmpteFormat,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 108 |         // TODO: Supposedly this is in 2's complement??
[INFO] [stdout] 109 |         ticks_per_frame: u8,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Division` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `Command { std: "docker" "inspect" "9ccbc8e6260755c442512d3ab6189b524655336710ef98334e3f40ce46b83908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ccbc8e6260755c442512d3ab6189b524655336710ef98334e3f40ce46b83908", kill_on_drop: false }`
[INFO] [stdout] 9ccbc8e6260755c442512d3ab6189b524655336710ef98334e3f40ce46b83908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a2aa42d25eb4ccdbc9ca462472ac32d75db027e12feec9ff1a7005854bdc878
[INFO] running `Command { std: "docker" "start" "-a" "0a2aa42d25eb4ccdbc9ca462472ac32d75db027e12feec9ff1a7005854bdc878", kill_on_drop: false }`
[INFO] [stderr]    Compiling midi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `format` and `division` are never read
[INFO] [stdout]   --> src/midi.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct MidiFile {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 13 |     format: Format,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     division: Division,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiFile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ticks_per_quarter_note` is never read
[INFO] [stdout]    --> src/midi.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     Metrical {
[INFO] [stdout]     |     -------- field in this variant
[INFO] [stdout] 104 |         ticks_per_quarter_note: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Division` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `smpte_format` and `ticks_per_frame` are never read
[INFO] [stdout]    --> src/midi.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     TimeCode {
[INFO] [stdout]     |     -------- fields in this variant
[INFO] [stdout] 107 |         smpte_format: SmpteFormat,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 108 |         // TODO: Supposedly this is in 2's complement??
[INFO] [stdout] 109 |         ticks_per_frame: u8,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Division` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "0a2aa42d25eb4ccdbc9ca462472ac32d75db027e12feec9ff1a7005854bdc878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a2aa42d25eb4ccdbc9ca462472ac32d75db027e12feec9ff1a7005854bdc878", kill_on_drop: false }`
[INFO] [stdout] 0a2aa42d25eb4ccdbc9ca462472ac32d75db027e12feec9ff1a7005854bdc878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65b496a826d04385502f82baf98e0e36f5a64182d5ffe4e31c3336e1eea34224
[INFO] running `Command { std: "docker" "start" "-a" "65b496a826d04385502f82baf98e0e36f5a64182d5ffe4e31c3336e1eea34224", kill_on_drop: false }`
[INFO] [stderr] warning: fields `format` and `division` are never read
[INFO] [stderr]   --> src/midi.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct MidiFile {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 13 |     format: Format,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 14 |     division: Division,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MidiFile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `ticks_per_quarter_note` is never read
[INFO] [stderr]    --> src/midi.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     Metrical {
[INFO] [stderr]     |     -------- field in this variant
[INFO] [stderr] 104 |         ticks_per_quarter_note: u16,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Division` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `smpte_format` and `ticks_per_frame` are never read
[INFO] [stderr]    --> src/midi.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     TimeCode {
[INFO] [stderr]     |     -------- fields in this variant
[INFO] [stderr] 107 |         smpte_format: SmpteFormat,
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 108 |         // TODO: Supposedly this is in 2's complement??
[INFO] [stderr] 109 |         ticks_per_frame: u8,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Division` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `midi` (bin "midi" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/midi-e71b3bd99dfc6308)
[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" "65b496a826d04385502f82baf98e0e36f5a64182d5ffe4e31c3336e1eea34224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b496a826d04385502f82baf98e0e36f5a64182d5ffe4e31c3336e1eea34224", kill_on_drop: false }`
[INFO] [stdout] 65b496a826d04385502f82baf98e0e36f5a64182d5ffe4e31c3336e1eea34224