[INFO] cloning repository https://github.com/emk/subtitles-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emk/subtitles-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Fsubtitles-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Fsubtitles-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8a8b824070c1f397c4c22e4da7738562c147585
[INFO] documenting emk/subtitles-rs against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Fsubtitles-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emk/subtitles-rs on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emk/subtitles-rs
[INFO] finished tweaking git repo https://github.com/emk/subtitles-rs
[INFO] tweaked toml for git repo https://github.com/emk/subtitles-rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/emk/subtitles-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74d9079a6d4561202782f15b660ae4c0f295fe907267987449aab7fae1bd702d
[INFO] running `Command { std: "docker" "start" "-a" "74d9079a6d4561202782f15b660ae4c0f295fe907267987449aab7fae1bd702d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74d9079a6d4561202782f15b660ae4c0f295fe907267987449aab7fae1bd702d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d9079a6d4561202782f15b660ae4c0f295fe907267987449aab7fae1bd702d", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ccb970d0fc87c151b3a062c553e9ec06abed089291cbfcd57a657c4104757d0
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[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking serde v1.0.25
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[INFO] [stderr]  Documenting cli_test_dir v0.1.7 (/opt/rustwide/workdir/cli_test_dir)
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[INFO] [stderr]     Checking memchr v1.0.2
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[INFO] [stderr]    Compiling aligned_media v0.1.0 (/opt/rustwide/workdir/aligned_media)
[INFO] [stderr]     Checking url v1.6.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]  Documenting submodel v0.1.0 (/opt/rustwide/workdir/submodel)
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[INFO] [stderr]     Checking vobsub v0.2.3 (/opt/rustwide/workdir/vobsub)
[INFO] [stderr]  Documenting vobsub v0.2.3 (/opt/rustwide/workdir/vobsub)
[INFO] [stderr]     Checking subtitle_ocr v0.1.0 (/opt/rustwide/workdir/subtitle_ocr)
[INFO] [stderr]  Documenting subtitle_ocr v0.1.0 (/opt/rustwide/workdir/subtitle_ocr)
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.6.0/src/form_urlencoded.rs:261:40
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stdout]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0713`.
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.8
[INFO] [stderr]     Checking csv v1.0.0-beta.5
[INFO] [stderr] error: could not compile `url` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/idx.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// Parse a single hexadecimal digit.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/idx.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | /// Parse a single byte hexadecimal byte.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/idx.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | /// Parse a 3-byte hexadecimal RGB color.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/img.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | /// Parse the count for a `Rle`.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/img.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | /// Parse an `Rle`.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/mpeg2/clock.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | /// Parse a 33-bit `Clock` value with 3 marker bits, consuming 36 bits.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/mpeg2/clock.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | / /// Parse a 33-bit `Clock` value plus a 9-bit extension and 4 marker bits,
[INFO] [stdout] 64 | | /// consuming 46 bits.
[INFO] [stdout]    | |_---------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/mpeg2/pes.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | /// Parse PTS & DTS flags in a PES packet header.  Consumes two bits.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/mpeg2/pes.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | /// Helper for `pts_dts`.  Parses the PTS-only case.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/mpeg2/pes.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | /// Helper for `pts_dts`.  Parses the PTS and DTS case.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> vobsub/src/mpeg2/pes.rs:117:1
[INFO] [stdout]     |
[INFO] [stdout] 117 | /// Deserialize a single Boolean flag bit.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> vobsub/src/mpeg2/pes.rs:181:1
[INFO] [stdout]     |
[INFO] [stdout] 181 | /// Parse PES header data, including the predecing flags and length bytes.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> vobsub/src/mpeg2/pes.rs:227:1
[INFO] [stdout]     |
[INFO] [stdout] 227 | /// Parse the first PES header byte after the length.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/mpeg2/ps.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | /// Parse a Program Stream header.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/mpeg2/ps.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | /// Parse a Program Stream packet and the following PES packet.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/sub.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | /// Parse four 4-bit palette entries.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/sub.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | /// Parse a 12-bit coordinate value.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/sub.rs:78:1
[INFO] [stdout]    |
[INFO] [stdout] 78 | / /// Parse four 12-bit coordinate values as a rectangle (with right and
[INFO] [stdout] 79 | | /// bottom coordinates inclusive).
[INFO] [stdout]    | |_---------------------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> vobsub/src/sub.rs:97:1
[INFO] [stdout]    |
[INFO] [stdout] 97 | /// Parse a pair of 16-bit RLE offsets.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> subtitle_ocr/src/logimg.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     lazy_static! {
[INFO] [stdout] 18 | |         static ref PATH: Option<PathBuf> = {
[INFO] [stdout] 19 | |             env::var("RUST_LOG_IMAGE_DIR")
[INFO] [stdout] 20 | |                 .ok()
[INFO] [stdout] 21 | |                 .map(|v| Path::new(&v).to_owned())
[INFO] [stdout] 22 | |         };
[INFO] [stdout] 23 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> vobsub/src/sub.rs:126:1
[INFO] [stdout]     |
[INFO] [stdout] 126 | /// Parse a single command in a control sequence.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> vobsub/src/sub.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | /// The end of a control sequence.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> vobsub/src/sub.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | /// Parse a single control sequence.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> vobsub/src/idx.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / named!(rgb<Rgb<u8>>,
[INFO] [stdout] 33 | |     map!(count_fixed!(u8, call!(hex_u8), 3), |rgb| { Rgb { data: rgb } })
[INFO] [stdout] 34 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `count_fixed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> vobsub/src/idx.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 | /         lazy_static! {
[INFO] [stdout] 103 | |             static ref KEY_VALUE: Regex =
[INFO] [stdout] 104 | |                 Regex::new("^([A-Za-z/ ]+): (.*)").unwrap();
[INFO] [stdout] 105 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> vobsub/src/sub.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | named!(palette_entries<[u8; 4]>, bits!(count_fixed!(u8, take_bits!(u8, 4), 4)));
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `count_fixed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> vobsub/src/sub.rs:98:1
[INFO] [stdout]    |
[INFO] [stdout] 98 | named!(rle_offsets<[u16; 2]>, bits!(count_fixed!(u16, take_bits!(u16, 16), 2)));
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `count_fixed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `collect` that must be used
[INFO] [stdout]   --> subtitle_ocr/src/ctx.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         lines.into_iter().map(|l| group_into_glyphs(l)).collect::<Vec<_>>();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3ccb970d0fc87c151b3a062c553e9ec06abed089291cbfcd57a657c4104757d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ccb970d0fc87c151b3a062c553e9ec06abed089291cbfcd57a657c4104757d0", kill_on_drop: false }`
[INFO] [stdout] 3ccb970d0fc87c151b3a062c553e9ec06abed089291cbfcd57a657c4104757d0
