[INFO] fetching crate sixel 0.3.2...
[INFO] testing sixel-0.3.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate sixel 0.3.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sixel 0.3.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sixel 0.3.2
[INFO] finished tweaking crates.io crate sixel 0.3.2
[INFO] tweaked toml for crates.io crate sixel 0.3.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver-parser v0.6.2
[INFO] [stderr]   Downloaded make-cmd v0.1.0
[INFO] [stderr]   Downloaded sixel-sys v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eed07fe14174993c82a5b71fa396a96f38457cddb83f445d3b4e4b9bcf1fa5df
[INFO] running `Command { std: "docker" "start" "-a" "eed07fe14174993c82a5b71fa396a96f38457cddb83f445d3b4e4b9bcf1fa5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eed07fe14174993c82a5b71fa396a96f38457cddb83f445d3b4e4b9bcf1fa5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed07fe14174993c82a5b71fa396a96f38457cddb83f445d3b4e4b9bcf1fa5df", kill_on_drop: false }`
[INFO] [stdout] eed07fe14174993c82a5b71fa396a96f38457cddb83f445d3b4e4b9bcf1fa5df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edd4372a31b99be5fa11f48b2f69385af3e15d1c3e0d53d6f63fa36b9c95628f
[INFO] running `Command { std: "docker" "start" "-a" "edd4372a31b99be5fa11f48b2f69385af3e15d1c3e0d53d6f63fa36b9c95628f", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling sixel-sys v0.3.1
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling semver-parser v0.6.2
[INFO] [stderr]    Compiling sixel v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pixel`
[INFO] [stdout]  --> src/encoder.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pixelformat::{Pixel, PixelFormatChan};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/pixelformat.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn from_slice<'a>(&'a [u8]) -> &'a Self;
[INFO] [stdout]    |                       ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'a [u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/pixelformat.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn from_slice_mut<'a>(&'a mut [u8]) -> &'a mut Self;
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'a mut [u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] 31 |         SIXEL_FALSE => Err(Error::False),
[INFO] [stdout]    |         ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] 31 |         SIXEL_FALSE => Err(Error::False),
[INFO] [stdout] 32 |         SIXEL_INTERRUPTED => Err(Error::Interrupted),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 33 |         SIXEL_BAD_ALLOCATION => Err(Error::BadAllocation),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 34 |         SIXEL_BAD_ARGUMENT => Err(Error::BadArgument),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 35 |         SIXEL_BAD_INPUT => Err(Error::BadInput),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 36 |         SIXEL_RUNTIME_ERROR => Err(Error::Runtime),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 37 |         SIXEL_LOGIC_ERROR => Err(Error::Logic),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 38 |         SIXEL_NOT_IMPLEMENTED => Err(Error::NotImplemented),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 39 |         SIXEL_FEATURE_ERROR => Err(Error::Feature),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 40 |         SIXEL_STBI_ERROR => Err(Error::STBI),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 41 |         SIXEL_STBIW_ERROR => Err(Error::STBIW),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 42 |         SIXEL_JPEG_ERROR => Err(Error::JPEG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 43 |         SIXEL_PNG_ERROR => Err(Error::PNG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 44 |         SIXEL_GDK_ERROR => Err(Error::GDK),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 45 |         SIXEL_GD_ERROR => Err(Error::GD),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 46 |         SIXEL_LIBC_ERROR => Err(Error::LibC),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 47 |         SIXEL_CURL_ERROR => Err(Error::Curl),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 48 |         _ => panic!("Unkown sixel error"),
[INFO] [stdout]    |         ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_OK`
[INFO] [stdout]   --> src/status.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_OK`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_FALSE`
[INFO] [stdout]   --> src/status.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         SIXEL_FALSE => Err(Error::False),
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_FALSE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_INTERRUPTED`
[INFO] [stdout]   --> src/status.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         SIXEL_INTERRUPTED => Err(Error::Interrupted),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_INTERRUPTED`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_BAD_ALLOCATION`
[INFO] [stdout]   --> src/status.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         SIXEL_BAD_ALLOCATION => Err(Error::BadAllocation),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_BAD_ALLOCATION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_BAD_ARGUMENT`
[INFO] [stdout]   --> src/status.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         SIXEL_BAD_ARGUMENT => Err(Error::BadArgument),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_BAD_ARGUMENT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_BAD_INPUT`
[INFO] [stdout]   --> src/status.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         SIXEL_BAD_INPUT => Err(Error::BadInput),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_BAD_INPUT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_RUNTIME_ERROR`
[INFO] [stdout]   --> src/status.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         SIXEL_RUNTIME_ERROR => Err(Error::Runtime),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_RUNTIME_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_LOGIC_ERROR`
[INFO] [stdout]   --> src/status.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         SIXEL_LOGIC_ERROR => Err(Error::Logic),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_LOGIC_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_NOT_IMPLEMENTED`
[INFO] [stdout]   --> src/status.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         SIXEL_NOT_IMPLEMENTED => Err(Error::NotImplemented),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_NOT_IMPLEMENTED`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_FEATURE_ERROR`
[INFO] [stdout]   --> src/status.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         SIXEL_FEATURE_ERROR => Err(Error::Feature),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_FEATURE_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_STBI_ERROR`
[INFO] [stdout]   --> src/status.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         SIXEL_STBI_ERROR => Err(Error::STBI),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_STBI_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_STBIW_ERROR`
[INFO] [stdout]   --> src/status.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         SIXEL_STBIW_ERROR => Err(Error::STBIW),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_STBIW_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_JPEG_ERROR`
[INFO] [stdout]   --> src/status.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         SIXEL_JPEG_ERROR => Err(Error::JPEG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_JPEG_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_PNG_ERROR`
[INFO] [stdout]   --> src/status.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         SIXEL_PNG_ERROR => Err(Error::PNG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_PNG_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_GDK_ERROR`
[INFO] [stdout]   --> src/status.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         SIXEL_GDK_ERROR => Err(Error::GDK),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_GDK_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_GD_ERROR`
[INFO] [stdout]   --> src/status.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         SIXEL_GD_ERROR => Err(Error::GD),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_GD_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_LIBC_ERROR`
[INFO] [stdout]   --> src/status.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         SIXEL_LIBC_ERROR => Err(Error::LibC),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_LIBC_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_CURL_ERROR`
[INFO] [stdout]   --> src/status.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         SIXEL_CURL_ERROR => Err(Error::Curl),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_CURL_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_OK` should have a snake case name
[INFO] [stdout]   --> src/status.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `sixel_ok`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_FALSE` should have a snake case name
[INFO] [stdout]   --> src/status.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         SIXEL_FALSE => Err(Error::False),
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_false`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_INTERRUPTED` should have a snake case name
[INFO] [stdout]   --> src/status.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         SIXEL_INTERRUPTED => Err(Error::Interrupted),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_interrupted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_BAD_ALLOCATION` should have a snake case name
[INFO] [stdout]   --> src/status.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         SIXEL_BAD_ALLOCATION => Err(Error::BadAllocation),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_bad_allocation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_BAD_ARGUMENT` should have a snake case name
[INFO] [stdout]   --> src/status.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         SIXEL_BAD_ARGUMENT => Err(Error::BadArgument),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_bad_argument`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_BAD_INPUT` should have a snake case name
[INFO] [stdout]   --> src/status.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         SIXEL_BAD_INPUT => Err(Error::BadInput),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_bad_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_RUNTIME_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         SIXEL_RUNTIME_ERROR => Err(Error::Runtime),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_runtime_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_LOGIC_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         SIXEL_LOGIC_ERROR => Err(Error::Logic),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_logic_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_NOT_IMPLEMENTED` should have a snake case name
[INFO] [stdout]   --> src/status.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         SIXEL_NOT_IMPLEMENTED => Err(Error::NotImplemented),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_not_implemented`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_FEATURE_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         SIXEL_FEATURE_ERROR => Err(Error::Feature),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_feature_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_STBI_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         SIXEL_STBI_ERROR => Err(Error::STBI),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_stbi_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_STBIW_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         SIXEL_STBIW_ERROR => Err(Error::STBIW),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_stbiw_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_JPEG_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         SIXEL_JPEG_ERROR => Err(Error::JPEG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_jpeg_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_PNG_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         SIXEL_PNG_ERROR => Err(Error::PNG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_png_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_GDK_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         SIXEL_GDK_ERROR => Err(Error::GDK),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_gdk_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_GD_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         SIXEL_GD_ERROR => Err(Error::GD),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_gd_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_LIBC_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         SIXEL_LIBC_ERROR => Err(Error::LibC),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_libc_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_CURL_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         SIXEL_CURL_ERROR => Err(Error::Curl),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_curl_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.83s
[INFO] running `Command { std: "docker" "inspect" "edd4372a31b99be5fa11f48b2f69385af3e15d1c3e0d53d6f63fa36b9c95628f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edd4372a31b99be5fa11f48b2f69385af3e15d1c3e0d53d6f63fa36b9c95628f", kill_on_drop: false }`
[INFO] [stdout] edd4372a31b99be5fa11f48b2f69385af3e15d1c3e0d53d6f63fa36b9c95628f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a3c0ae383281ef1cbf5cb3f0bf630469f8330ac9d7994c788bbbf7e95eaf0ee
[INFO] running `Command { std: "docker" "start" "-a" "9a3c0ae383281ef1cbf5cb3f0bf630469f8330ac9d7994c788bbbf7e95eaf0ee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pixel`
[INFO] [stdout]  --> src/encoder.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pixelformat::{Pixel, PixelFormatChan};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/pixelformat.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn from_slice<'a>(&'a [u8]) -> &'a Self;
[INFO] [stdout]    |                       ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'a [u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/pixelformat.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn from_slice_mut<'a>(&'a mut [u8]) -> &'a mut Self;
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'a mut [u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] 31 |         SIXEL_FALSE => Err(Error::False),
[INFO] [stdout]    |         ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] 31 |         SIXEL_FALSE => Err(Error::False),
[INFO] [stdout] 32 |         SIXEL_INTERRUPTED => Err(Error::Interrupted),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 33 |         SIXEL_BAD_ALLOCATION => Err(Error::BadAllocation),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 34 |         SIXEL_BAD_ARGUMENT => Err(Error::BadArgument),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 35 |         SIXEL_BAD_INPUT => Err(Error::BadInput),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 36 |         SIXEL_RUNTIME_ERROR => Err(Error::Runtime),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 37 |         SIXEL_LOGIC_ERROR => Err(Error::Logic),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 38 |         SIXEL_NOT_IMPLEMENTED => Err(Error::NotImplemented),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 39 |         SIXEL_FEATURE_ERROR => Err(Error::Feature),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 40 |         SIXEL_STBI_ERROR => Err(Error::STBI),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 41 |         SIXEL_STBIW_ERROR => Err(Error::STBIW),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 42 |         SIXEL_JPEG_ERROR => Err(Error::JPEG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 43 |         SIXEL_PNG_ERROR => Err(Error::PNG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 44 |         SIXEL_GDK_ERROR => Err(Error::GDK),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 45 |         SIXEL_GD_ERROR => Err(Error::GD),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 46 |         SIXEL_LIBC_ERROR => Err(Error::LibC),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 47 |         SIXEL_CURL_ERROR => Err(Error::Curl),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 48 |         _ => panic!("Unkown sixel error"),
[INFO] [stdout]    |         ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_OK`
[INFO] [stdout]   --> src/status.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_OK`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_FALSE`
[INFO] [stdout]   --> src/status.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         SIXEL_FALSE => Err(Error::False),
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_FALSE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_INTERRUPTED`
[INFO] [stdout]   --> src/status.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         SIXEL_INTERRUPTED => Err(Error::Interrupted),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_INTERRUPTED`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_BAD_ALLOCATION`
[INFO] [stdout]   --> src/status.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         SIXEL_BAD_ALLOCATION => Err(Error::BadAllocation),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_BAD_ALLOCATION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_BAD_ARGUMENT`
[INFO] [stdout]   --> src/status.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         SIXEL_BAD_ARGUMENT => Err(Error::BadArgument),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_BAD_ARGUMENT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_BAD_INPUT`
[INFO] [stdout]   --> src/status.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         SIXEL_BAD_INPUT => Err(Error::BadInput),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_BAD_INPUT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_RUNTIME_ERROR`
[INFO] [stdout]   --> src/status.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         SIXEL_RUNTIME_ERROR => Err(Error::Runtime),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_RUNTIME_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_LOGIC_ERROR`
[INFO] [stdout]   --> src/status.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         SIXEL_LOGIC_ERROR => Err(Error::Logic),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_LOGIC_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_NOT_IMPLEMENTED`
[INFO] [stdout]   --> src/status.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         SIXEL_NOT_IMPLEMENTED => Err(Error::NotImplemented),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_NOT_IMPLEMENTED`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_FEATURE_ERROR`
[INFO] [stdout]   --> src/status.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         SIXEL_FEATURE_ERROR => Err(Error::Feature),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_FEATURE_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_STBI_ERROR`
[INFO] [stdout]   --> src/status.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         SIXEL_STBI_ERROR => Err(Error::STBI),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_STBI_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_STBIW_ERROR`
[INFO] [stdout]   --> src/status.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         SIXEL_STBIW_ERROR => Err(Error::STBIW),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_STBIW_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_JPEG_ERROR`
[INFO] [stdout]   --> src/status.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         SIXEL_JPEG_ERROR => Err(Error::JPEG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_JPEG_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_PNG_ERROR`
[INFO] [stdout]   --> src/status.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         SIXEL_PNG_ERROR => Err(Error::PNG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_PNG_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_GDK_ERROR`
[INFO] [stdout]   --> src/status.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         SIXEL_GDK_ERROR => Err(Error::GDK),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_GDK_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_GD_ERROR`
[INFO] [stdout]   --> src/status.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         SIXEL_GD_ERROR => Err(Error::GD),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_GD_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_LIBC_ERROR`
[INFO] [stdout]   --> src/status.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         SIXEL_LIBC_ERROR => Err(Error::LibC),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_LIBC_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_CURL_ERROR`
[INFO] [stdout]   --> src/status.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         SIXEL_CURL_ERROR => Err(Error::Curl),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_CURL_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_OK` should have a snake case name
[INFO] [stdout]   --> src/status.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `sixel_ok`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_FALSE` should have a snake case name
[INFO] [stdout]   --> src/status.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         SIXEL_FALSE => Err(Error::False),
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_false`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_INTERRUPTED` should have a snake case name
[INFO] [stdout]   --> src/status.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         SIXEL_INTERRUPTED => Err(Error::Interrupted),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_interrupted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sixel v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `SIXEL_BAD_ALLOCATION` should have a snake case name
[INFO] [stdout]   --> src/status.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         SIXEL_BAD_ALLOCATION => Err(Error::BadAllocation),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_bad_allocation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_BAD_ARGUMENT` should have a snake case name
[INFO] [stdout]   --> src/status.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         SIXEL_BAD_ARGUMENT => Err(Error::BadArgument),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_bad_argument`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_BAD_INPUT` should have a snake case name
[INFO] [stdout]   --> src/status.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         SIXEL_BAD_INPUT => Err(Error::BadInput),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_bad_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_RUNTIME_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         SIXEL_RUNTIME_ERROR => Err(Error::Runtime),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_runtime_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_LOGIC_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         SIXEL_LOGIC_ERROR => Err(Error::Logic),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_logic_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_NOT_IMPLEMENTED` should have a snake case name
[INFO] [stdout]   --> src/status.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         SIXEL_NOT_IMPLEMENTED => Err(Error::NotImplemented),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_not_implemented`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_FEATURE_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         SIXEL_FEATURE_ERROR => Err(Error::Feature),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_feature_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_STBI_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         SIXEL_STBI_ERROR => Err(Error::STBI),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_stbi_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_STBIW_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         SIXEL_STBIW_ERROR => Err(Error::STBIW),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_stbiw_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_JPEG_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         SIXEL_JPEG_ERROR => Err(Error::JPEG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_jpeg_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_PNG_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         SIXEL_PNG_ERROR => Err(Error::PNG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_png_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_GDK_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         SIXEL_GDK_ERROR => Err(Error::GDK),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_gdk_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_GD_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         SIXEL_GD_ERROR => Err(Error::GD),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_gd_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_LIBC_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         SIXEL_LIBC_ERROR => Err(Error::LibC),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_libc_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_CURL_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         SIXEL_CURL_ERROR => Err(Error::Curl),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_curl_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pixel`
[INFO] [stdout]  --> src/encoder.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pixelformat::{Pixel, PixelFormatChan};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/pixelformat.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn from_slice<'a>(&'a [u8]) -> &'a Self;
[INFO] [stdout]    |                       ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'a [u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/pixelformat.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn from_slice_mut<'a>(&'a mut [u8]) -> &'a mut Self;
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &'a mut [u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] 31 |         SIXEL_FALSE => Err(Error::False),
[INFO] [stdout]    |         ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] 31 |         SIXEL_FALSE => Err(Error::False),
[INFO] [stdout] 32 |         SIXEL_INTERRUPTED => Err(Error::Interrupted),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 33 |         SIXEL_BAD_ALLOCATION => Err(Error::BadAllocation),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 34 |         SIXEL_BAD_ARGUMENT => Err(Error::BadArgument),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 35 |         SIXEL_BAD_INPUT => Err(Error::BadInput),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 36 |         SIXEL_RUNTIME_ERROR => Err(Error::Runtime),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 37 |         SIXEL_LOGIC_ERROR => Err(Error::Logic),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 38 |         SIXEL_NOT_IMPLEMENTED => Err(Error::NotImplemented),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 39 |         SIXEL_FEATURE_ERROR => Err(Error::Feature),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 40 |         SIXEL_STBI_ERROR => Err(Error::STBI),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 41 |         SIXEL_STBIW_ERROR => Err(Error::STBIW),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 42 |         SIXEL_JPEG_ERROR => Err(Error::JPEG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 43 |         SIXEL_PNG_ERROR => Err(Error::PNG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 44 |         SIXEL_GDK_ERROR => Err(Error::GDK),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 45 |         SIXEL_GD_ERROR => Err(Error::GD),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 46 |         SIXEL_LIBC_ERROR => Err(Error::LibC),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 47 |         SIXEL_CURL_ERROR => Err(Error::Curl),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/status.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         -------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 48 |         _ => panic!("Unkown sixel error"),
[INFO] [stdout]    |         ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_OK`
[INFO] [stdout]   --> src/status.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_OK`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_FALSE`
[INFO] [stdout]   --> src/status.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         SIXEL_FALSE => Err(Error::False),
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_FALSE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_INTERRUPTED`
[INFO] [stdout]   --> src/status.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         SIXEL_INTERRUPTED => Err(Error::Interrupted),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_INTERRUPTED`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_BAD_ALLOCATION`
[INFO] [stdout]   --> src/status.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         SIXEL_BAD_ALLOCATION => Err(Error::BadAllocation),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_BAD_ALLOCATION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_BAD_ARGUMENT`
[INFO] [stdout]   --> src/status.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         SIXEL_BAD_ARGUMENT => Err(Error::BadArgument),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_BAD_ARGUMENT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_BAD_INPUT`
[INFO] [stdout]   --> src/status.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         SIXEL_BAD_INPUT => Err(Error::BadInput),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_BAD_INPUT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_RUNTIME_ERROR`
[INFO] [stdout]   --> src/status.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         SIXEL_RUNTIME_ERROR => Err(Error::Runtime),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_RUNTIME_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_LOGIC_ERROR`
[INFO] [stdout]   --> src/status.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         SIXEL_LOGIC_ERROR => Err(Error::Logic),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_LOGIC_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_NOT_IMPLEMENTED`
[INFO] [stdout]   --> src/status.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         SIXEL_NOT_IMPLEMENTED => Err(Error::NotImplemented),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_NOT_IMPLEMENTED`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_FEATURE_ERROR`
[INFO] [stdout]   --> src/status.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         SIXEL_FEATURE_ERROR => Err(Error::Feature),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_FEATURE_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_STBI_ERROR`
[INFO] [stdout]   --> src/status.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         SIXEL_STBI_ERROR => Err(Error::STBI),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_STBI_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_STBIW_ERROR`
[INFO] [stdout]   --> src/status.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         SIXEL_STBIW_ERROR => Err(Error::STBIW),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_STBIW_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_JPEG_ERROR`
[INFO] [stdout]   --> src/status.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         SIXEL_JPEG_ERROR => Err(Error::JPEG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_JPEG_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_PNG_ERROR`
[INFO] [stdout]   --> src/status.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         SIXEL_PNG_ERROR => Err(Error::PNG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_PNG_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_GDK_ERROR`
[INFO] [stdout]   --> src/status.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         SIXEL_GDK_ERROR => Err(Error::GDK),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_GDK_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_GD_ERROR`
[INFO] [stdout]   --> src/status.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         SIXEL_GD_ERROR => Err(Error::GD),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_GD_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_LIBC_ERROR`
[INFO] [stdout]   --> src/status.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         SIXEL_LIBC_ERROR => Err(Error::LibC),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_LIBC_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `SIXEL_CURL_ERROR`
[INFO] [stdout]   --> src/status.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         SIXEL_CURL_ERROR => Err(Error::Curl),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_SIXEL_CURL_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_OK` should have a snake case name
[INFO] [stdout]   --> src/status.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         SIXEL_OK => Ok(()),
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `sixel_ok`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_FALSE` should have a snake case name
[INFO] [stdout]   --> src/status.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         SIXEL_FALSE => Err(Error::False),
[INFO] [stdout]    |         ^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_false`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_INTERRUPTED` should have a snake case name
[INFO] [stdout]   --> src/status.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         SIXEL_INTERRUPTED => Err(Error::Interrupted),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_interrupted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_BAD_ALLOCATION` should have a snake case name
[INFO] [stdout]   --> src/status.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         SIXEL_BAD_ALLOCATION => Err(Error::BadAllocation),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_bad_allocation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_BAD_ARGUMENT` should have a snake case name
[INFO] [stdout]   --> src/status.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         SIXEL_BAD_ARGUMENT => Err(Error::BadArgument),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_bad_argument`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_BAD_INPUT` should have a snake case name
[INFO] [stdout]   --> src/status.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         SIXEL_BAD_INPUT => Err(Error::BadInput),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_bad_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_RUNTIME_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         SIXEL_RUNTIME_ERROR => Err(Error::Runtime),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_runtime_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_LOGIC_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         SIXEL_LOGIC_ERROR => Err(Error::Logic),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_logic_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_NOT_IMPLEMENTED` should have a snake case name
[INFO] [stdout]   --> src/status.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         SIXEL_NOT_IMPLEMENTED => Err(Error::NotImplemented),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_not_implemented`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_FEATURE_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         SIXEL_FEATURE_ERROR => Err(Error::Feature),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_feature_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_STBI_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         SIXEL_STBI_ERROR => Err(Error::STBI),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_stbi_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_STBIW_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         SIXEL_STBIW_ERROR => Err(Error::STBIW),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_stbiw_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_JPEG_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         SIXEL_JPEG_ERROR => Err(Error::JPEG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_jpeg_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_PNG_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         SIXEL_PNG_ERROR => Err(Error::PNG),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_png_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_GDK_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         SIXEL_GDK_ERROR => Err(Error::GDK),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_gdk_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_GD_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         SIXEL_GD_ERROR => Err(Error::GD),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_gd_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_LIBC_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         SIXEL_LIBC_ERROR => Err(Error::LibC),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_libc_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `SIXEL_CURL_ERROR` should have a snake case name
[INFO] [stdout]   --> src/status.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         SIXEL_CURL_ERROR => Err(Error::Curl),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sixel_curl_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/sixel-bc8d9defb57595bd.sixel.b3fdf67o-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/sixel-bc8d9defb57595bd.sixel.b3fdf67o-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/sixel-bc8d9defb57595bd.sixel.b3fdf67o-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/sixel-bc8d9defb57595bd.sixel.b3fdf67o-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/sixel-bc8d9defb57595bd.sixel.b3fdf67o-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/sixel-bc8d9defb57595bd.sixel.b3fdf67o-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/sixel-bc8d9defb57595bd.sixel.b3fdf67o-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/sixel-bc8d9defb57595bd.sixel.b3fdf67o-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/sixel-bc8d9defb57595bd.sixel.b3fdf67o-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/sixel-bc8d9defb57595bd.sixel.b3fdf67o-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/sixel-bc8d9defb57595bd.sixel.b3fdf67o-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/sixel-bc8d9defb57595bd.3s8vb35ovxotbrew.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/sixel-sys-397c3e7dd7b10003/out/lib" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-3599c5491d44663f.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-1d56ea45a67842c8.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-9749f7c936ebf9a7.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-627a220173eefff1.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-16ed15e5bfe21b9b.rlib" "/opt/rustwide/target/debug/deps/libsemver_parser-0e371681bd01cba4.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-0f48dde279d12d5a.rlib" "/opt/rustwide/target/debug/deps/libregex-a74b212540b9619f.rlib" "/opt/rustwide/target/debug/deps/libutf8_ranges-2d1e29d9c4190db2.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-8b3bd9caa0bd1094.rlib" "/opt/rustwide/target/debug/deps/libthread_local-699cdf87f4446ed9.rlib" "/opt/rustwide/target/debug/deps/libthread_id-bcae99c507d790ad.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-277a0dfac1d1be5c.rlib" "/opt/rustwide/target/debug/deps/libmemchr-b725f85ea3e14660.rlib" "/opt/rustwide/target/debug/deps/liblibc-ef703b7b559de845.rlib" "/opt/rustwide/target/debug/deps/libsixel_sys-16e1bd80d6f141aa.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2420485b9e5ef5e1.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-785e3cb61c4b1960.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-087191a88bdaa22d.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9981842c02975178.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6fb405869b015fde.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d05c5c3c56004b7b.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-42d74d2097528b38.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fb36534c113d2209.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b56b9042c12b6535.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-491902d6cb3e76df.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-61834e0981b8c367.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f78aa99d613a55bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-53ee54cd7fed2c57.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-544ecdbd6cda3c58.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-379cc252b6943a79.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8063eea38dcc5e62.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5b228734afae15ee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d6c7a399d95d173f.rlib" "-Wl,-Bdynamic" "-lsixel" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/sixel-bc8d9defb57595bd" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lsixel
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sixel`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9a3c0ae383281ef1cbf5cb3f0bf630469f8330ac9d7994c788bbbf7e95eaf0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3c0ae383281ef1cbf5cb3f0bf630469f8330ac9d7994c788bbbf7e95eaf0ee", kill_on_drop: false }`
[INFO] [stdout] 9a3c0ae383281ef1cbf5cb3f0bf630469f8330ac9d7994c788bbbf7e95eaf0ee
