[INFO] cloning repository https://github.com/szymski/dumb_gfx_format
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/szymski/dumb_gfx_format" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszymski%2Fdumb_gfx_format", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 837c2915ce8677618841c1cabe5260387e02f6ab
[INFO] checking szymski/dumb_gfx_format against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszymski%2Fdumb_gfx_format" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/szymski/dumb_gfx_format on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/szymski/dumb_gfx_format
[INFO] finished tweaking git repo https://github.com/szymski/dumb_gfx_format
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[INFO] crate git repo https://github.com/szymski/dumb_gfx_format already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] checking szymski/dumb_gfx_format against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszymski%2Fdumb_gfx_format" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/szymski/dumb_gfx_format on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] finished tweaking git repo https://github.com/szymski/dumb_gfx_format
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[INFO] crate git repo https://github.com/szymski/dumb_gfx_format already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/dct.rs:11:37
[INFO] [stdout]    |
[INFO] [stdout] 11 |         return sum * T::inv(T::sqrt((n as T)));
[INFO] [stdout]    |                                     ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -         return sum * T::inv(T::sqrt((n as T)));
[INFO] [stdout] 11 +         return sum * T::inv(T::sqrt(n as T));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/decoder.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToPixelBuffer`
[INFO] [stdout]   --> src/main.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::pixel_buffer::{ToPixelBuffer};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rgb`
[INFO] [stdout]   --> src/main.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 | use image::{ImageResult, Rgb, RgbImage};
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/dct.rs:11:37
[INFO] [stdout]    |
[INFO] [stdout] 11 |         return sum * T::inv(T::sqrt((n as T)));
[INFO] [stdout]    |                                     ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -         return sum * T::inv(T::sqrt((n as T)));
[INFO] [stdout] 11 +         return sum * T::inv(T::sqrt(n as T));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/decoder.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToPixelBuffer`
[INFO] [stdout]   --> src/main.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::pixel_buffer::{ToPixelBuffer};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rgb`
[INFO] [stdout]   --> src/main.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 | use image::{ImageResult, Rgb, RgbImage};
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/decoder.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         _ => {
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/dgf.rs:16:62
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(version: DgfVersion, width: u16, height: u16, mode: ImageMode) -> Dgf {
[INFO] [stdout]    |                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/decoder.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         _ => {
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/encoder.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         _ => {
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/encoder.rs:98:33
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         let [r, g, b] = image.get_pixel(x, y).0;
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/encoder.rs:98:36
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         let [r, g, b] = image.get_pixel(x, y).0;
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/dgf.rs:16:62
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(version: DgfVersion, width: u16, height: u16, mode: ImageMode) -> Dgf {
[INFO] [stdout]    |                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Grayscale1` is never constructed
[INFO] [stdout]   --> src/dgf.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub enum ImageMode {
[INFO] [stdout]    |              --------- variant in this enum
[INFO] [stdout] 84 |         Grayscale1 = 0x00,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ImageMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Rle` is never constructed
[INFO] [stdout]    --> src/dgf.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |             pub enum PostCompressionMode {
[INFO] [stdout]     |                      ------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 133 |                 Rle = 1,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PostCompressionMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/pixel_buffer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PixelBuffer {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     data: Vec<u8>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_pixel_buffer` is never used
[INFO] [stdout]   --> src/pixel_buffer.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait ToPixelBuffer {
[INFO] [stdout]    |           ------------- method in this trait
[INFO] [stdout] 13 |     fn to_pixel_buffer(&self) -> PixelBuffer;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pixels` is never used
[INFO] [stdout]   --> src/util.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn pixels(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/encoder.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         _ => {
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/encoder.rs:98:33
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         let [r, g, b] = image.get_pixel(x, y).0;
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/encoder.rs:98:36
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         let [r, g, b] = image.get_pixel(x, y).0;
[INFO] [stdout]    |                                    ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Grayscale1` is never constructed
[INFO] [stdout]   --> src/dgf.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub enum ImageMode {
[INFO] [stdout]    |              --------- variant in this enum
[INFO] [stdout] 84 |         Grayscale1 = 0x00,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ImageMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Rle` is never constructed
[INFO] [stdout]    --> src/dgf.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |             pub enum PostCompressionMode {
[INFO] [stdout]     |                      ------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 133 |                 Rle = 1,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PostCompressionMode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/pixel_buffer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PixelBuffer {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     data: Vec<u8>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_pixel_buffer` is never used
[INFO] [stdout]   --> src/pixel_buffer.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait ToPixelBuffer {
[INFO] [stdout]    |           ------------- method in this trait
[INFO] [stdout] 13 |     fn to_pixel_buffer(&self) -> PixelBuffer;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pixels` is never used
[INFO] [stdout]   --> src/util.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn pixels(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.35s
[INFO] running `Command { std: "docker" "inspect" "5d2fedf89dc0d8dd62768cd23cdcb5947af217c541f2707a6213fa943be4ee1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2fedf89dc0d8dd62768cd23cdcb5947af217c541f2707a6213fa943be4ee1d", kill_on_drop: false }`
[INFO] [stdout] 5d2fedf89dc0d8dd62768cd23cdcb5947af217c541f2707a6213fa943be4ee1d
