[INFO] fetching crate sixel 0.3.2...
[INFO] testing sixel-0.3.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate sixel 0.3.2 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sixel 0.3.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding lazy_static v0.2.11 (available: v1.5.0)
[INFO] [stderr]       Adding semver-parser v0.6.2 (available: v0.10.3)
[INFO] [stderr]       Adding sixel-sys v0.3.1 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-id v2.0.0
[INFO] [stderr]   Downloaded thread_local v0.2.7
[INFO] [stderr]   Downloaded make-cmd v0.1.0
[INFO] [stderr]   Downloaded semver-parser v0.6.2
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded utf8-ranges v0.1.3
[INFO] [stderr]   Downloaded regex v0.1.80
[INFO] [stderr]   Downloaded regex-syntax v0.3.9
[INFO] [stderr]   Downloaded aho-corasick v0.5.3
[INFO] [stderr]   Downloaded sixel-sys v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f20247326a14b67a852ad4274c7668b90d53ca9fd3baee24ae30e157590ede4a
[INFO] running `Command { std: "docker" "start" "-a" "f20247326a14b67a852ad4274c7668b90d53ca9fd3baee24ae30e157590ede4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f20247326a14b67a852ad4274c7668b90d53ca9fd3baee24ae30e157590ede4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20247326a14b67a852ad4274c7668b90d53ca9fd3baee24ae30e157590ede4a", kill_on_drop: false }`
[INFO] [stdout] f20247326a14b67a852ad4274c7668b90d53ca9fd3baee24ae30e157590ede4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e82355d6ba089fecf98c1d0aec7b6c8c11f40cee7dfae58053dbad62ad66524
[INFO] running `Command { std: "docker" "start" "-a" "9e82355d6ba089fecf98c1d0aec7b6c8c11f40cee7dfae58053dbad62ad66524", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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 sixel-sys v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]    |         ^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^ no value can reach this
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "9e82355d6ba089fecf98c1d0aec7b6c8c11f40cee7dfae58053dbad62ad66524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e82355d6ba089fecf98c1d0aec7b6c8c11f40cee7dfae58053dbad62ad66524", kill_on_drop: false }`
[INFO] [stdout] 9e82355d6ba089fecf98c1d0aec7b6c8c11f40cee7dfae58053dbad62ad66524
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6706c2f766c23cb9c00cdcd1d3bbed27b2b6ea58178c637e731979158942db7e
[INFO] running `Command { std: "docker" "start" "-a" "6706c2f766c23cb9c00cdcd1d3bbed27b2b6ea58178c637e731979158942db7e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]    |         ^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^ no value can reach this
[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] [stderr]    Compiling sixel v0.3.2 (/opt/rustwide/workdir)
[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: 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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[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 is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[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]    |         ^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^^^^^^^^^^^^^^^^ no value can reach this
[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]    |         ^ no value can reach this
[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" "/tmp/rustctncLkL/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libsemver_parser-db54005325fc8f14,liblazy_static-c7667f95f108c833,libregex-e9c6948dc4f922f8,libutf8_ranges-2c200b7255dd14cc,libregex_syntax-4a3a0daf218bcbbd,libthread_local-84d7921758899577,libthread_id-c1246a89cecfe585,libaho_corasick-91779239a38a4ae0,libmemchr-711fdb8e3ae13518,liblibc-08aef465eb552f81,libsixel_sys-8d5e675de37723e5}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lsixel" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustctncLkL/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/debug/build/sixel-sys-3d54426436854d23/out/lib" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/sixel-5a454e1dd64f0a20" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: unable to find library -lsixel
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sixel` (lib test) due to 1 previous error; 58 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6706c2f766c23cb9c00cdcd1d3bbed27b2b6ea58178c637e731979158942db7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6706c2f766c23cb9c00cdcd1d3bbed27b2b6ea58178c637e731979158942db7e", kill_on_drop: false }`
[INFO] [stdout] 6706c2f766c23cb9c00cdcd1d3bbed27b2b6ea58178c637e731979158942db7e
