[INFO] cloning repository https://github.com/r0t0r-r0t0r/r0t0blocks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r0t0r-r0t0r/r0t0blocks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr0t0r-r0t0r%2Fr0t0blocks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr0t0r-r0t0r%2Fr0t0blocks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a177850b602fe8427f86252b945bf5c5fb7e7401
[INFO] checking r0t0r-r0t0r/r0t0blocks against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr0t0r-r0t0r%2Fr0t0blocks" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/r0t0r-r0t0r/r0t0blocks
[INFO] finished tweaking git repo https://github.com/r0t0r-r0t0r/r0t0blocks
[INFO] tweaked toml for git repo https://github.com/r0t0r-r0t0r/r0t0blocks written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/r0t0r-r0t0r/r0t0blocks on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/r0t0r-r0t0r/r0t0blocks 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fastrand v1.4.1
[INFO] [stderr]   Downloaded strum v0.20.0
[INFO] [stderr]   Downloaded version-compare v0.0.10
[INFO] [stderr]   Downloaded strum_macros v0.20.1
[INFO] [stderr]   Downloaded enum_dispatch v0.3.6
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded sdl2 v0.34.5
[INFO] [stderr]   Downloaded syn v1.0.72
[INFO] [stderr]   Downloaded sdl2-sys v0.34.5
[INFO] [stderr]   Downloaded libc v0.2.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d706241bf85e1a96743268d9d219d303c1a9b0bd3087f6dd4c41af06bf2d1370
[INFO] running `Command { std: "docker" "start" "-a" "d706241bf85e1a96743268d9d219d303c1a9b0bd3087f6dd4c41af06bf2d1370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d706241bf85e1a96743268d9d219d303c1a9b0bd3087f6dd4c41af06bf2d1370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d706241bf85e1a96743268d9d219d303c1a9b0bd3087f6dd4c41af06bf2d1370", kill_on_drop: false }`
[INFO] [stdout] d706241bf85e1a96743268d9d219d303c1a9b0bd3087f6dd4c41af06bf2d1370
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08641fff384569f2162a9487a8dc52e6ab92aae0bbd822f15d86cb9b5cf01f79
[INFO] running `Command { std: "docker" "start" "-a" "08641fff384569f2162a9487a8dc52e6ab92aae0bbd822f15d86cb9b5cf01f79", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking midi v0.1.0 (/opt/rustwide/workdir/midi)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> midi/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> midi/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> midi/src/main.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             _ => {},
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> midi/src/main.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             MtrkEvent{event: Event::Meta(MetaEvent::Text(msg)), ..} => println!("Text: {}", msg),
[INFO] [stdout]    |             ------------------------------------------------------- matches some of the same values
[INFO] [stdout] 55 |             MtrkEvent{event: Event::Meta(MetaEvent::CopyrightNotice(msg)), ..} => println!("Copyright: {}", msg),
[INFO] [stdout]    |             ------------------------------------------------------------------ matches some of the same values
[INFO] [stdout] 56 |             MtrkEvent{event: Event::Meta(MetaEvent::SequenceTrackName(msg)), ..} => println!("Name: {}", msg),
[INFO] [stdout]    |             -------------------------------------------------------------------- matches some of the same values
[INFO] [stdout] 57 |             MtrkEvent{event: Event::Meta(MetaEvent::EndOfTrack), ..} => break,
[INFO] [stdout]    |             -------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 60 |             _ => {},
[INFO] [stdout]    |             ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_header`
[INFO] [stdout]   --> midi/src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let file_header = read_file_header(&mut f, header_header.length)?;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `track_header`
[INFO] [stdout]   --> midi/src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let track_header = read_chunk_header(&mut f)?;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_track_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> midi/src/main.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Io(io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiError` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     Io(io::Error),
[INFO] [stdout] 12 +     Io(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> midi/src/main.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     UnsupportedEvent(u8),
[INFO] [stdout]    |     ---------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     UnsupportedEvent(u8),
[INFO] [stdout] 18 +     UnsupportedEvent(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> midi/src/main.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |     UnsupportedMetaEvent(u8),
[INFO] [stdout]    |     -------------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 -     UnsupportedMetaEvent(u8),
[INFO] [stdout] 19 +     UnsupportedMetaEvent(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> midi/src/main.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Utf8(FromUtf8Error),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -     Utf8(FromUtf8Error),
[INFO] [stdout] 20 +     Utf8(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Fps24`, `Fps25`, `Fps29`, and `Fps30` are never constructed
[INFO] [stdout]   --> midi/src/main.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | enum SmpteFormat {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] 86 |     Fps24,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 87 |     Fps25,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 88 |     Fps29,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 89 |     Fps30,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> midi/src/main.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |     TicksPerQuarterNote(u32),
[INFO] [stdout]    |     ------------------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 93 -     TicksPerQuarterNote(u32),
[INFO] [stdout] 93 +     TicksPerQuarterNote(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TicksPerFrame` is never constructed
[INFO] [stdout]   --> midi/src/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | enum Division {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] 93 |     TicksPerQuarterNote(u32),
[INFO] [stdout] 94 |     TicksPerFrame(SmpteFormat, u32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_format`, `number_of_chunks`, and `division` are never read
[INFO] [stdout]    --> midi/src/main.rs:98:5
[INFO] [stdout]     |
[INFO] [stdout]  97 | struct FileHeader {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout]  98 |     file_format: FileFormat,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]  99 |     number_of_chunks: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 100 |     division: Division,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `delta_time` is never read
[INFO] [stdout]    --> midi/src/main.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | struct MtrkEvent {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 104 |     delta_time: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> midi/src/main.rs:282:11
[INFO] [stdout]     |
[INFO] [stdout] 282 |     Major(MajorKey),
[INFO] [stdout]     |     ----- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Key` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 282 -     Major(MajorKey),
[INFO] [stdout] 282 +     Major(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> midi/src/main.rs:283:11
[INFO] [stdout]     |
[INFO] [stdout] 283 |     Minor(MinorKey),
[INFO] [stdout]     |     ----- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Key` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 283 -     Minor(MinorKey),
[INFO] [stdout] 283 +     Minor(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> midi/src/main.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             _ => {},
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> midi/src/main.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             MtrkEvent{event: Event::Meta(MetaEvent::Text(msg)), ..} => println!("Text: {}", msg),
[INFO] [stdout]    |             ------------------------------------------------------- matches some of the same values
[INFO] [stdout] 55 |             MtrkEvent{event: Event::Meta(MetaEvent::CopyrightNotice(msg)), ..} => println!("Copyright: {}", msg),
[INFO] [stdout]    |             ------------------------------------------------------------------ matches some of the same values
[INFO] [stdout] 56 |             MtrkEvent{event: Event::Meta(MetaEvent::SequenceTrackName(msg)), ..} => println!("Name: {}", msg),
[INFO] [stdout]    |             -------------------------------------------------------------------- matches some of the same values
[INFO] [stdout] 57 |             MtrkEvent{event: Event::Meta(MetaEvent::EndOfTrack), ..} => break,
[INFO] [stdout]    |             -------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 60 |             _ => {},
[INFO] [stdout]    |             ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_header`
[INFO] [stdout]   --> midi/src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let file_header = read_file_header(&mut f, header_header.length)?;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `track_header`
[INFO] [stdout]   --> midi/src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let track_header = read_chunk_header(&mut f)?;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_track_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> midi/src/main.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Io(io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiError` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     Io(io::Error),
[INFO] [stdout] 12 +     Io(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> midi/src/main.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |     UnsupportedEvent(u8),
[INFO] [stdout]    |     ---------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     UnsupportedEvent(u8),
[INFO] [stdout] 18 +     UnsupportedEvent(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> midi/src/main.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |     UnsupportedMetaEvent(u8),
[INFO] [stdout]    |     -------------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 -     UnsupportedMetaEvent(u8),
[INFO] [stdout] 19 +     UnsupportedMetaEvent(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> midi/src/main.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Utf8(FromUtf8Error),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -     Utf8(FromUtf8Error),
[INFO] [stdout] 20 +     Utf8(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Fps24`, `Fps25`, `Fps29`, and `Fps30` are never constructed
[INFO] [stdout]   --> midi/src/main.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | enum SmpteFormat {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] 86 |     Fps24,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 87 |     Fps25,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 88 |     Fps29,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 89 |     Fps30,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> midi/src/main.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |     TicksPerQuarterNote(u32),
[INFO] [stdout]    |     ------------------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 93 -     TicksPerQuarterNote(u32),
[INFO] [stdout] 93 +     TicksPerQuarterNote(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TicksPerFrame` is never constructed
[INFO] [stdout]   --> midi/src/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | enum Division {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] 93 |     TicksPerQuarterNote(u32),
[INFO] [stdout] 94 |     TicksPerFrame(SmpteFormat, u32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `file_format`, `number_of_chunks`, and `division` are never read
[INFO] [stdout]    --> midi/src/main.rs:98:5
[INFO] [stdout]     |
[INFO] [stdout]  97 | struct FileHeader {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout]  98 |     file_format: FileFormat,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]  99 |     number_of_chunks: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 100 |     division: Division,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `delta_time` is never read
[INFO] [stdout]    --> midi/src/main.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | struct MtrkEvent {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 104 |     delta_time: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> midi/src/main.rs:282:11
[INFO] [stdout]     |
[INFO] [stdout] 282 |     Major(MajorKey),
[INFO] [stdout]     |     ----- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Key` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 282 -     Major(MajorKey),
[INFO] [stdout] 282 +     Major(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> midi/src/main.rs:283:11
[INFO] [stdout]     |
[INFO] [stdout] 283 |     Minor(MinorKey),
[INFO] [stdout]     |     ----- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Key` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 283 -     Minor(MinorKey),
[INFO] [stdout] 283 +     Minor(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling enum_dispatch v0.3.6
[INFO] [stderr]     Checking engine v0.1.0 (/opt/rustwide/workdir/engine)
[INFO] [stderr]     Checking r0t0blocks v0.1.0 (/opt/rustwide/workdir/blocks)
[INFO] [stderr]     Checking synth v0.1.0 (/opt/rustwide/workdir/synth)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> blocks/src/blocks.rs:44:52
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new(frames: &'frame [Vec<Frame>; 7]) -> State {
[INFO] [stdout]    |                         ------                     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'frame`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new(frames: &'frame [Vec<Frame>; 7]) -> State<'frame> {
[INFO] [stdout]    |                                                         ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> blocks/src/tetromino.rs:185:24
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn new(frames: &[Frame]) -> Tetromino {
[INFO] [stdout]     |                        ^^^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn new(frames: &[Frame]) -> Tetromino<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> blocks/src/blocks.rs:44:52
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new(frames: &'frame [Vec<Frame>; 7]) -> State {
[INFO] [stdout]    |                         ------                     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'frame`
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new(frames: &'frame [Vec<Frame>; 7]) -> State<'frame> {
[INFO] [stdout]    |                                                         ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> blocks/src/tetromino.rs:185:24
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn new(frames: &[Frame]) -> Tetromino {
[INFO] [stdout]     |                        ^^^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn new(frames: &[Frame]) -> Tetromino<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.48s
[INFO] running `Command { std: "docker" "inspect" "08641fff384569f2162a9487a8dc52e6ab92aae0bbd822f15d86cb9b5cf01f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08641fff384569f2162a9487a8dc52e6ab92aae0bbd822f15d86cb9b5cf01f79", kill_on_drop: false }`
[INFO] [stdout] 08641fff384569f2162a9487a8dc52e6ab92aae0bbd822f15d86cb9b5cf01f79
