[INFO] fetching crate aetherdsp-sampler 0.2.1...
[INFO] testing aetherdsp-sampler-0.2.1 against 1.97.0-beta.6 for beta-1.98-1
[INFO] extracting crate aetherdsp-sampler 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate aetherdsp-sampler 0.2.1
[INFO] finished tweaking crates.io crate aetherdsp-sampler 0.2.1
[INFO] tweaked toml for crates.io crate aetherdsp-sampler 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate aetherdsp-sampler 0.2.1 on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate aetherdsp-sampler 0.2.1 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded js-sys v0.3.95
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[INFO] [stderr]   Downloaded portable-atomic-util v0.2.6
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[INFO] [stderr]   Downloaded bit-set v0.8.0
[INFO] [stderr]   Downloaded rand_xorshift v0.4.0
[INFO] [stderr]   Downloaded windows v0.43.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c3a88c69ee76e38fc0d1a2cee880fd4587caf0293fcc0bd26778172911fc71c7
[INFO] running `Command { std: "docker" "start" "c3a88c69ee76e38fc0d1a2cee880fd4587caf0293fcc0bd26778172911fc71c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3a88c69ee76e38fc0d1a2cee880fd4587caf0293fcc0bd26778172911fc71c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c3a88c69ee76e38fc0d1a2cee880fd4587caf0293fcc0bd26778172911fc71c7" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3a88c69ee76e38fc0d1a2cee880fd4587caf0293fcc0bd26778172911fc71c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c3a88c69ee76e38fc0d1a2cee880fd4587caf0293fcc0bd26778172911fc71c7" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling pkg-config v0.3.33
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling hound v3.5.1
[INFO] [stderr]    Compiling syn v2.0.117
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[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
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[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling aetherdsp-core v0.1.2
[INFO] [stderr]    Compiling aetherdsp-midi v0.1.2
[INFO] [stderr]    Compiling aetherdsp-sampler v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.02s
[INFO] running `Command { std: "docker" "inspect" "c3a88c69ee76e38fc0d1a2cee880fd4587caf0293fcc0bd26778172911fc71c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c3a88c69ee76e38fc0d1a2cee880fd4587caf0293fcc0bd26778172911fc71c7" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proptest v1.11.0
[INFO] [stderr]    Compiling aetherdsp-sampler v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.45s
[INFO] running `Command { std: "docker" "inspect" "c3a88c69ee76e38fc0d1a2cee880fd4587caf0293fcc0bd26778172911fc71c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c3a88c69ee76e38fc0d1a2cee880fd4587caf0293fcc0bd26778172911fc71c7" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/aether_sampler-aeb207c972b49cb9)
[INFO] [stdout] running 8 tests
[INFO] [stdout] test instrument::tests::test_find_zone_rr ... ok
[INFO] [stdout] test instrument::tests::test_round_robin_state_sequential ... ok
[INFO] [stdout] test instrument::tests::test_sampler_instrument_normalize ... ok
[INFO] [stdout] test instrument::tests::test_round_robin_mode_derives ... ok
[INFO] [stdout] test instrument::tests::test_zone_group_creation ... ok
[INFO] [stdout] test instrument::tests::prop_sequential_round_robin_full_cycle ... ok
[INFO] [stdout] test instrument::tests::prop_random_no_repeat_no_consecutive_repeats ... ok
[INFO] [stdout] test instrument::tests::prop_backward_compatible_instrument_loading ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests aether_sampler
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 9) stdout ----
[INFO] [stdout] error: unknown start of token: \u{2514}
[INFO] [stdout]   --> src/lib.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   └── Vec<SampleZone>        — note range + velocity range → audio file
[INFO] [stdout]    |   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2500}
[INFO] [stdout]   --> src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 |   └── Vec<SampleZone>        — note range + velocity range → audio file
[INFO] [stdout]    |    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: character appears once more
[INFO] [stdout] help: Unicode character '─' (Box Drawings Light Horizontal) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 11 -   └── Vec<SampleZone>        — note range + velocity range → audio file
[INFO] [stdout] 11 +   └-- Vec<SampleZone>        — note range + velocity range → audio file
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2500}
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |   └── Vec<SampleZone>        — note range + velocity range → audio file
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '─' (Box Drawings Light Horizontal) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 11 -   └── Vec<SampleZone>        — note range + velocity range → audio file
[INFO] [stdout] 11 +   └─- Vec<SampleZone>        — note range + velocity range → audio file
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2014}
[INFO] [stdout]   --> src/lib.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 |   └── Vec<SampleZone>        — note range + velocity range → audio file
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '—' (Em Dash) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 11 -   └── Vec<SampleZone>        — note range + velocity range → audio file
[INFO] [stdout] 11 +   └── Vec<SampleZone>        - note range + velocity range → audio file
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2192}
[INFO] [stdout]   --> src/lib.rs:11:60
[INFO] [stdout]    |
[INFO] [stdout] 11 |   └── Vec<SampleZone>        — note range + velocity range → audio file
[INFO] [stdout]    |                                                            ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2514}
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         └── SampleBuffer     — decoded PCM audio in memory
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2500}
[INFO] [stdout]   --> src/lib.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |         └── SampleBuffer     — decoded PCM audio in memory
[INFO] [stdout]    |          ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: character appears once more
[INFO] [stdout] help: Unicode character '─' (Box Drawings Light Horizontal) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 12 -         └── SampleBuffer     — decoded PCM audio in memory
[INFO] [stdout] 12 +         └-- SampleBuffer     — decoded PCM audio in memory
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2500}
[INFO] [stdout]   --> src/lib.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |         └── SampleBuffer     — decoded PCM audio in memory
[INFO] [stdout]    |           ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '─' (Box Drawings Light Horizontal) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 12 -         └── SampleBuffer     — decoded PCM audio in memory
[INFO] [stdout] 12 +         └─- SampleBuffer     — decoded PCM audio in memory
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2014}
[INFO] [stdout]   --> src/lib.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 |         └── SampleBuffer     — decoded PCM audio in memory
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '—' (Em Dash) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 12 -         └── SampleBuffer     — decoded PCM audio in memory
[INFO] [stdout] 12 +         └── SampleBuffer     - decoded PCM audio in memory
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2014}
[INFO] [stdout]   --> src/lib.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 | SamplerVoice                 — one playing note (polyphony = many voices)
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '—' (Em Dash) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 14 - SamplerVoice                 — one playing note (polyphony = many voices)
[INFO] [stdout] 14 + SamplerVoice                 - one playing note (polyphony = many voices)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{251c}
[INFO] [stdout]   --> src/lib.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 |   ├── zone: &SampleZone      — which sample to play
[INFO] [stdout]    |   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2500}
[INFO] [stdout]   --> src/lib.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 |   ├── zone: &SampleZone      — which sample to play
[INFO] [stdout]    |    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: character appears once more
[INFO] [stdout] help: Unicode character '─' (Box Drawings Light Horizontal) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 15 -   ├── zone: &SampleZone      — which sample to play
[INFO] [stdout] 15 +   ├-- zone: &SampleZone      — which sample to play
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2500}
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |   ├── zone: &SampleZone      — which sample to play
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '─' (Box Drawings Light Horizontal) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 15 -   ├── zone: &SampleZone      — which sample to play
[INFO] [stdout] 15 +   ├─- zone: &SampleZone      — which sample to play
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2014}
[INFO] [stdout]   --> src/lib.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |   ├── zone: &SampleZone      — which sample to play
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '—' (Em Dash) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 15 -   ├── zone: &SampleZone      — which sample to play
[INFO] [stdout] 15 +   ├── zone: &SampleZone      - which sample to play
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{251c}
[INFO] [stdout]   --> src/lib.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   ├── position: f64          — current playback position (sub-sample)
[INFO] [stdout]    |   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2500}
[INFO] [stdout]   --> src/lib.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 |   ├── position: f64          — current playback position (sub-sample)
[INFO] [stdout]    |    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: character appears once more
[INFO] [stdout] help: Unicode character '─' (Box Drawings Light Horizontal) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 16 -   ├── position: f64          — current playback position (sub-sample)
[INFO] [stdout] 16 +   ├-- position: f64          — current playback position (sub-sample)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2500}
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |   ├── position: f64          — current playback position (sub-sample)
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '─' (Box Drawings Light Horizontal) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 16 -   ├── position: f64          — current playback position (sub-sample)
[INFO] [stdout] 16 +   ├─- position: f64          — current playback position (sub-sample)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2014}
[INFO] [stdout]   --> src/lib.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |   ├── position: f64          — current playback position (sub-sample)
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '—' (Em Dash) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 16 -   ├── position: f64          — current playback position (sub-sample)
[INFO] [stdout] 16 +   ├── position: f64          - current playback position (sub-sample)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{251c}
[INFO] [stdout]   --> src/lib.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |   ├── phase: VoicePhase      — Attack / Sustain / Release / Done
[INFO] [stdout]    |   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2500}
[INFO] [stdout]   --> src/lib.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 |   ├── phase: VoicePhase      — Attack / Sustain / Release / Done
[INFO] [stdout]    |    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: character appears once more
[INFO] [stdout] help: Unicode character '─' (Box Drawings Light Horizontal) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 17 -   ├── phase: VoicePhase      — Attack / Sustain / Release / Done
[INFO] [stdout] 17 +   ├-- phase: VoicePhase      — Attack / Sustain / Release / Done
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2500}
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |   ├── phase: VoicePhase      — Attack / Sustain / Release / Done
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '─' (Box Drawings Light Horizontal) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 17 -   ├── phase: VoicePhase      — Attack / Sustain / Release / Done
[INFO] [stdout] 17 +   ├─- phase: VoicePhase      — Attack / Sustain / Release / Done
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2014}
[INFO] [stdout]   --> src/lib.rs:17:30
[INFO] [stdout]    |
[INFO] [stdout] 17 |   ├── phase: VoicePhase      — Attack / Sustain / Release / Done
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '—' (Em Dash) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 17 -   ├── phase: VoicePhase      — Attack / Sustain / Release / Done
[INFO] [stdout] 17 +   ├── phase: VoicePhase      - Attack / Sustain / Release / Done
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2514}
[INFO] [stdout]   --> src/lib.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   └── envelope: AdsrState   — amplitude envelope
[INFO] [stdout]    |   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2500}
[INFO] [stdout]   --> src/lib.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 |   └── envelope: AdsrState   — amplitude envelope
[INFO] [stdout]    |    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: character appears once more
[INFO] [stdout] help: Unicode character '─' (Box Drawings Light Horizontal) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 18 -   └── envelope: AdsrState   — amplitude envelope
[INFO] [stdout] 18 +   └-- envelope: AdsrState   — amplitude envelope
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2500}
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |   └── envelope: AdsrState   — amplitude envelope
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '─' (Box Drawings Light Horizontal) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 18 -   └── envelope: AdsrState   — amplitude envelope
[INFO] [stdout] 18 +   └─- envelope: AdsrState   — amplitude envelope
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2014}
[INFO] [stdout]   --> src/lib.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 |   └── envelope: AdsrState   — amplitude envelope
[INFO] [stdout]    |                             ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '—' (Em Dash) looks like '-' (Minus/Hyphen), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 18 -   └── envelope: AdsrState   — amplitude envelope
[INFO] [stdout] 18 +   └── envelope: AdsrState   - amplitude envelope
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!` or `::`, found `-`
[INFO] [stdout]   --> src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | SamplerInstrument
[INFO] [stdout]    |                  - expected one of `!` or `::`
[INFO] [stdout] 11 |   └── Vec<SampleZone>        — note range + velocity range → audio file
[INFO] [stdout]    |    ^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 27 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c3a88c69ee76e38fc0d1a2cee880fd4587caf0293fcc0bd26778172911fc71c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a88c69ee76e38fc0d1a2cee880fd4587caf0293fcc0bd26778172911fc71c7", kill_on_drop: false }`
[INFO] [stdout] c3a88c69ee76e38fc0d1a2cee880fd4587caf0293fcc0bd26778172911fc71c7
