[INFO] cloning repository https://github.com/an-prata/audio-tag
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/an-prata/audio-tag" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fan-prata%2Faudio-tag", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fan-prata%2Faudio-tag'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc56292ed450b870bd3f66a020f023071eed3c6d
[INFO] checking an-prata/audio-tag against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fan-prata%2Faudio-tag" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/an-prata/audio-tag
[INFO] finished tweaking git repo https://github.com/an-prata/audio-tag
[INFO] tweaked toml for git repo https://github.com/an-prata/audio-tag written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/an-prata/audio-tag on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/an-prata/audio-tag 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 944076468ccee5515a344545cfe5ec1115ed3aaa5614f74c9c771731e15596bb
[INFO] running `Command { std: "docker" "start" "-a" "944076468ccee5515a344545cfe5ec1115ed3aaa5614f74c9c771731e15596bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "944076468ccee5515a344545cfe5ec1115ed3aaa5614f74c9c771731e15596bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944076468ccee5515a344545cfe5ec1115ed3aaa5614f74c9c771731e15596bb", kill_on_drop: false }`
[INFO] [stdout] 944076468ccee5515a344545cfe5ec1115ed3aaa5614f74c9c771731e15596bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2ea5902817340cd0f92c7c048acfea008f4b7640fb4b505e6db58ad0bf5cdfc
[INFO] running `Command { std: "docker" "start" "-a" "a2ea5902817340cd0f92c7c048acfea008f4b7640fb4b505e6db58ad0bf5cdfc", kill_on_drop: false }`
[INFO] [stderr]     Checking extended v0.1.0
[INFO] [stderr]     Checking audio-tag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `new_range_api` has been stable since 1.96.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(new_range_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `new_range_api` has been stable since 1.96.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(new_range_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vorbis_comment_block`
[INFO] [stdout]    --> src/flac.rs:639:42
[INFO] [stdout]     |
[INFO] [stdout] 639 |             MetadataBlock::VorbisComment(vorbis_comment_block) => todo!(),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vorbis_comment_block`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Marker` is never constructed
[INFO] [stdout]    --> src/aiff.rs:664:8
[INFO] [stdout]     |
[INFO] [stdout] 664 | struct Marker<'s> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PascalShortString` is never constructed
[INFO] [stdout]    --> src/aiff.rs:678:8
[INFO] [stdout]     |
[INFO] [stdout] 678 | struct PascalShortString<'s> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Comment` is never constructed
[INFO] [stdout]    --> src/aiff.rs:711:8
[INFO] [stdout]     |
[INFO] [stdout] 711 | struct Comment<'t> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SeekTable`, `CueSheet`, and `Picture` are never constructed
[INFO] [stdout]    --> src/flac.rs:626:5
[INFO] [stdout]     |
[INFO] [stdout] 622 | enum MetadataBlock {
[INFO] [stdout]     |      ------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 626 |     SeekTable(SeekTableBlock),
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 627 |     VorbisComment(VorbisCommentBlock),
[INFO] [stdout] 628 |     CueSheet(CueSheetBlock),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 629 |     Picture(PictureBlock),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetadataBlock` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_placeholder` is never used
[INFO] [stdout]    --> src/flac.rs:807:8
[INFO] [stdout]     |
[INFO] [stdout] 803 | impl SeekPoint {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 807 |     fn is_placeholder(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `untype` is never used
[INFO] [stdout]    --> src/flac.rs:832:8
[INFO] [stdout]     |
[INFO] [stdout] 831 | impl VorbisCommentBlock {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] 832 |     fn untype(self) -> TypelessMetadataBlock {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]     --> src/flac.rs:967:5
[INFO] [stdout]      |
[INFO] [stdout]  966 | enum PictureType {
[INFO] [stdout]      |      ----------- variants in this enum
[INFO] [stdout]  967 |     Other,
[INFO] [stdout]      |     ^^^^^
[INFO] [stdout]  968 |     PngFileIcon,
[INFO] [stdout]      |     ^^^^^^^^^^^
[INFO] [stdout]  969 |     GeneralFileIcon,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  970 |     FrontCover,
[INFO] [stdout]      |     ^^^^^^^^^^
[INFO] [stdout]  971 |     BackCover,
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout]  972 |     LinerNotesPage,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^
[INFO] [stdout]  973 |     MediaLabel,
[INFO] [stdout]      |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  976 |     LeadArtist,
[INFO] [stdout]      |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  979 |     Artist,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout]  980 |
[INFO] [stdout]  981 |     Conductor,
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  984 |     Band,
[INFO] [stdout]      |     ^^^^
[INFO] [stdout]  985 |
[INFO] [stdout]  986 |     Composer,
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  989 |     Writer,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout]  990 |
[INFO] [stdout]  991 |     RecordingLocation,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  992 |     DuringRecording,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  993 |     DuringPerformance,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  994 |     VideoScreenCapture,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  995 |     BrightColoredFish,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  996 |     Illustration,
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  999 |     ArtistLogotype,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1002 |     StudioLogotype,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `PictureType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remaining`, `is_empty`, and `take_unary` are never used
[INFO] [stdout]     --> src/flac.rs:1325:8
[INFO] [stdout]      |
[INFO] [stdout] 1306 | impl<'i> BitBuffer<'i> {
[INFO] [stdout]      | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1325 |     fn remaining(&self) -> &'i [u8] {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1332 |     fn is_empty(&self) -> bool {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1340 |     fn take_unary(&mut self) -> Option<u8> {
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `serialized_size` is never used
[INFO] [stdout]    --> src/id3v2.rs:805:8
[INFO] [stdout]     |
[INFO] [stdout] 773 | impl Frame {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 805 |     fn serialized_size(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unsynchonisation` and `experimental_indicator` are never used
[INFO] [stdout]    --> src/id3v2.rs:904:8
[INFO] [stdout]     |
[INFO] [stdout] 903 | impl HeaderFlags {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] 904 |     fn unsynchonisation(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 912 |     fn experimental_indicator(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `discard_with_tag_alter`, `discard_with_file_alter`, `read_only`, `compressed`, `encrypted`, and `contains_group_information` are never used
[INFO] [stdout]    --> src/id3v2.rs:924:8
[INFO] [stdout]     |
[INFO] [stdout] 923 | impl FrameHeaderFlags {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] 924 |     fn discard_with_tag_alter(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 928 |     fn discard_with_file_alter(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 932 |     fn read_only(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 936 |     fn compressed(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 940 |     fn encrypted(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 944 |     fn contains_group_information(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FRAME_SYNC_SHIFT` is never used
[INFO] [stdout]    --> src/mp3.rs:367:7
[INFO] [stdout]     |
[INFO] [stdout] 367 | const FRAME_SYNC_SHIFT: u32 = 21;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROTECTION_BIT_MASK` is never used
[INFO] [stdout]    --> src/mp3.rs:375:7
[INFO] [stdout]     |
[INFO] [stdout] 375 | const PROTECTION_BIT_MASK: u32 = 0b_00000000_00000001_00000000_00000000;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROTECTION_BIT_SHIFT` is never used
[INFO] [stdout]    --> src/mp3.rs:376:7
[INFO] [stdout]     |
[INFO] [stdout] 376 | const PROTECTION_BIT_SHIFT: u32 = 16;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PRIVATE_BIT_MASK` is never used
[INFO] [stdout]    --> src/mp3.rs:387:7
[INFO] [stdout]     |
[INFO] [stdout] 387 | const PRIVATE_BIT_MASK: u32 = 0b_00000000_00000000_00000001_00000000;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PRIVATE_BIT_SHIFT` is never used
[INFO] [stdout]    --> src/mp3.rs:388:7
[INFO] [stdout]     |
[INFO] [stdout] 388 | const PRIVATE_BIT_SHIFT: u32 = 8;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COPYRIGHT_MASK` is never used
[INFO] [stdout]    --> src/mp3.rs:396:7
[INFO] [stdout]     |
[INFO] [stdout] 396 | const COPYRIGHT_MASK: u32 = 0b_00000000_00000000_00000000_00001000;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COPYRIGHT_SHIFT` is never used
[INFO] [stdout]    --> src/mp3.rs:397:7
[INFO] [stdout]     |
[INFO] [stdout] 397 | const COPYRIGHT_SHIFT: u32 = 3;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ORIGINAL_MASK` is never used
[INFO] [stdout]    --> src/mp3.rs:399:7
[INFO] [stdout]     |
[INFO] [stdout] 399 | const ORIGINAL_MASK: u32 = 0b_00000000_00000000_00000000_00000100;
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ORIGINAL_SHIFT` is never used
[INFO] [stdout]    --> src/mp3.rs:400:7
[INFO] [stdout]     |
[INFO] [stdout] 400 | const ORIGINAL_SHIFT: u32 = 2;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPHASIS_MASK` is never used
[INFO] [stdout]    --> src/mp3.rs:402:7
[INFO] [stdout]     |
[INFO] [stdout] 402 | const EMPHASIS_MASK: u32 = 0b_00000000_00000000_00000000_00000011;
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPHASIS_SHIFT` is never used
[INFO] [stdout]    --> src/mp3.rs:403:7
[INFO] [stdout]     |
[INFO] [stdout] 403 | const EMPHASIS_SHIFT: u32 = 0;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `frame_size` are never used
[INFO] [stdout]    --> src/mp3.rs:406:8
[INFO] [stdout]     |
[INFO] [stdout] 405 | impl FrameHeader {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 406 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 512 |     fn frame_size(&self) -> Option<u32> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `iter_map_windows` is declared but not used
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(iter_map_windows)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `iterator_try_reduce` is declared but not used
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(iterator_try_reduce)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vorbis_comment_block`
[INFO] [stdout]    --> src/flac.rs:639:42
[INFO] [stdout]     |
[INFO] [stdout] 639 |             MetadataBlock::VorbisComment(vorbis_comment_block) => todo!(),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vorbis_comment_block`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Marker` is never constructed
[INFO] [stdout]    --> src/aiff.rs:664:8
[INFO] [stdout]     |
[INFO] [stdout] 664 | struct Marker<'s> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PascalShortString` is never constructed
[INFO] [stdout]    --> src/aiff.rs:678:8
[INFO] [stdout]     |
[INFO] [stdout] 678 | struct PascalShortString<'s> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Comment` is never constructed
[INFO] [stdout]    --> src/aiff.rs:711:8
[INFO] [stdout]     |
[INFO] [stdout] 711 | struct Comment<'t> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SeekTable`, `CueSheet`, and `Picture` are never constructed
[INFO] [stdout]    --> src/flac.rs:626:5
[INFO] [stdout]     |
[INFO] [stdout] 622 | enum MetadataBlock {
[INFO] [stdout]     |      ------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 626 |     SeekTable(SeekTableBlock),
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 627 |     VorbisComment(VorbisCommentBlock),
[INFO] [stdout] 628 |     CueSheet(CueSheetBlock),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 629 |     Picture(PictureBlock),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MetadataBlock` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_placeholder` is never used
[INFO] [stdout]    --> src/flac.rs:807:8
[INFO] [stdout]     |
[INFO] [stdout] 803 | impl SeekPoint {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 807 |     fn is_placeholder(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `untype` is never used
[INFO] [stdout]    --> src/flac.rs:832:8
[INFO] [stdout]     |
[INFO] [stdout] 831 | impl VorbisCommentBlock {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] 832 |     fn untype(self) -> TypelessMetadataBlock {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]     --> src/flac.rs:967:5
[INFO] [stdout]      |
[INFO] [stdout]  966 | enum PictureType {
[INFO] [stdout]      |      ----------- variants in this enum
[INFO] [stdout]  967 |     Other,
[INFO] [stdout]      |     ^^^^^
[INFO] [stdout]  968 |     PngFileIcon,
[INFO] [stdout]      |     ^^^^^^^^^^^
[INFO] [stdout]  969 |     GeneralFileIcon,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  970 |     FrontCover,
[INFO] [stdout]      |     ^^^^^^^^^^
[INFO] [stdout]  971 |     BackCover,
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout]  972 |     LinerNotesPage,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^
[INFO] [stdout]  973 |     MediaLabel,
[INFO] [stdout]      |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  976 |     LeadArtist,
[INFO] [stdout]      |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  979 |     Artist,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout]  980 |
[INFO] [stdout]  981 |     Conductor,
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  984 |     Band,
[INFO] [stdout]      |     ^^^^
[INFO] [stdout]  985 |
[INFO] [stdout]  986 |     Composer,
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  989 |     Writer,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout]  990 |
[INFO] [stdout]  991 |     RecordingLocation,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  992 |     DuringRecording,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  993 |     DuringPerformance,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  994 |     VideoScreenCapture,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  995 |     BrightColoredFish,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  996 |     Illustration,
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  999 |     ArtistLogotype,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1002 |     StudioLogotype,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `PictureType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remaining`, `is_empty`, and `take_unary` are never used
[INFO] [stdout]     --> src/flac.rs:1325:8
[INFO] [stdout]      |
[INFO] [stdout] 1306 | impl<'i> BitBuffer<'i> {
[INFO] [stdout]      | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1325 |     fn remaining(&self) -> &'i [u8] {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1332 |     fn is_empty(&self) -> bool {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1340 |     fn take_unary(&mut self) -> Option<u8> {
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `serialized_size` is never used
[INFO] [stdout]    --> src/id3v2.rs:805:8
[INFO] [stdout]     |
[INFO] [stdout] 773 | impl Frame {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 805 |     fn serialized_size(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unsynchonisation` and `experimental_indicator` are never used
[INFO] [stdout]    --> src/id3v2.rs:904:8
[INFO] [stdout]     |
[INFO] [stdout] 903 | impl HeaderFlags {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] 904 |     fn unsynchonisation(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 912 |     fn experimental_indicator(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `discard_with_tag_alter`, `discard_with_file_alter`, `read_only`, `compressed`, `encrypted`, and `contains_group_information` are never used
[INFO] [stdout]    --> src/id3v2.rs:924:8
[INFO] [stdout]     |
[INFO] [stdout] 923 | impl FrameHeaderFlags {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] 924 |     fn discard_with_tag_alter(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 928 |     fn discard_with_file_alter(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 932 |     fn read_only(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 936 |     fn compressed(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 940 |     fn encrypted(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 944 |     fn contains_group_information(self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FRAME_SYNC_SHIFT` is never used
[INFO] [stdout]    --> src/mp3.rs:367:7
[INFO] [stdout]     |
[INFO] [stdout] 367 | const FRAME_SYNC_SHIFT: u32 = 21;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROTECTION_BIT_MASK` is never used
[INFO] [stdout]    --> src/mp3.rs:375:7
[INFO] [stdout]     |
[INFO] [stdout] 375 | const PROTECTION_BIT_MASK: u32 = 0b_00000000_00000001_00000000_00000000;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROTECTION_BIT_SHIFT` is never used
[INFO] [stdout]    --> src/mp3.rs:376:7
[INFO] [stdout]     |
[INFO] [stdout] 376 | const PROTECTION_BIT_SHIFT: u32 = 16;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PRIVATE_BIT_MASK` is never used
[INFO] [stdout]    --> src/mp3.rs:387:7
[INFO] [stdout]     |
[INFO] [stdout] 387 | const PRIVATE_BIT_MASK: u32 = 0b_00000000_00000000_00000001_00000000;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PRIVATE_BIT_SHIFT` is never used
[INFO] [stdout]    --> src/mp3.rs:388:7
[INFO] [stdout]     |
[INFO] [stdout] 388 | const PRIVATE_BIT_SHIFT: u32 = 8;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COPYRIGHT_MASK` is never used
[INFO] [stdout]    --> src/mp3.rs:396:7
[INFO] [stdout]     |
[INFO] [stdout] 396 | const COPYRIGHT_MASK: u32 = 0b_00000000_00000000_00000000_00001000;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COPYRIGHT_SHIFT` is never used
[INFO] [stdout]    --> src/mp3.rs:397:7
[INFO] [stdout]     |
[INFO] [stdout] 397 | const COPYRIGHT_SHIFT: u32 = 3;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ORIGINAL_MASK` is never used
[INFO] [stdout]    --> src/mp3.rs:399:7
[INFO] [stdout]     |
[INFO] [stdout] 399 | const ORIGINAL_MASK: u32 = 0b_00000000_00000000_00000000_00000100;
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ORIGINAL_SHIFT` is never used
[INFO] [stdout]    --> src/mp3.rs:400:7
[INFO] [stdout]     |
[INFO] [stdout] 400 | const ORIGINAL_SHIFT: u32 = 2;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPHASIS_MASK` is never used
[INFO] [stdout]    --> src/mp3.rs:402:7
[INFO] [stdout]     |
[INFO] [stdout] 402 | const EMPHASIS_MASK: u32 = 0b_00000000_00000000_00000000_00000011;
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EMPHASIS_SHIFT` is never used
[INFO] [stdout]    --> src/mp3.rs:403:7
[INFO] [stdout]     |
[INFO] [stdout] 403 | const EMPHASIS_SHIFT: u32 = 0;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `frame_size` are never used
[INFO] [stdout]    --> src/mp3.rs:406:8
[INFO] [stdout]     |
[INFO] [stdout] 405 | impl FrameHeader {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 406 |     fn new(
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 512 |     fn frame_size(&self) -> Option<u32> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `iter_map_windows` is declared but not used
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(iter_map_windows)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `iterator_try_reduce` is declared but not used
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(iterator_try_reduce)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "a2ea5902817340cd0f92c7c048acfea008f4b7640fb4b505e6db58ad0bf5cdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ea5902817340cd0f92c7c048acfea008f4b7640fb4b505e6db58ad0bf5cdfc", kill_on_drop: false }`
[INFO] [stdout] a2ea5902817340cd0f92c7c048acfea008f4b7640fb4b505e6db58ad0bf5cdfc
