[INFO] fetching crate bmp_rs 0.0.9...
[INFO] checking bmp_rs-0.0.9 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bmp_rs 0.0.9 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bmp_rs 0.0.9 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bmp_rs 0.0.9
[INFO] finished tweaking crates.io crate bmp_rs 0.0.9
[INFO] tweaked toml for crates.io crate bmp_rs 0.0.9 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbf4707cceecf8bcc7b71626ef579d234ff107f586b0c26a7a14e12d3bedef60
[INFO] running `Command { std: "docker" "start" "-a" "bbf4707cceecf8bcc7b71626ef579d234ff107f586b0c26a7a14e12d3bedef60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbf4707cceecf8bcc7b71626ef579d234ff107f586b0c26a7a14e12d3bedef60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf4707cceecf8bcc7b71626ef579d234ff107f586b0c26a7a14e12d3bedef60", kill_on_drop: false }`
[INFO] [stdout] bbf4707cceecf8bcc7b71626ef579d234ff107f586b0c26a7a14e12d3bedef60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65230545f679347a1de5a41fd2994b8055360e33b6cd40e48d669a95cc30a211
[INFO] running `Command { std: "docker" "start" "-a" "65230545f679347a1de5a41fd2994b8055360e33b6cd40e48d669a95cc30a211", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking bmp_rs v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BigEndian`
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     BigEndian,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BigEndian`
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     BigEndian,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:648:17
[INFO] [stdout]     |
[INFO] [stdout] 648 |     input: &mut io::Read, mut builder: TBuilder ) -> Result<TBuilder::TResult> {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 648 |     input: &mut dyn io::Read, mut builder: TBuilder ) -> Result<TBuilder::TResult> {
[INFO] [stdout]     |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:648:17
[INFO] [stdout]     |
[INFO] [stdout] 648 |     input: &mut io::Read, mut builder: TBuilder ) -> Result<TBuilder::TResult> {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 648 |     input: &mut dyn io::Read, mut builder: TBuilder ) -> Result<TBuilder::TResult> {
[INFO] [stdout]     |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:88:34
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn cause( &self ) -> Option<&error::Error> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn cause( &self ) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:88:34
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn cause( &self ) -> Option<&error::Error> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn cause( &self ) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:387:33
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn from_reader( input: &mut io::Read ) -> Result<Header> {
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn from_reader( input: &mut dyn io::Read ) -> Result<Header> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:387:33
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn from_reader( input: &mut io::Read ) -> Result<Header> {
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn from_reader( input: &mut dyn io::Read ) -> Result<Header> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:84:58
[INFO] [stdout]    |
[INFO] [stdout] 84 |             DecodingError::IOError( ref error ) => error.description(),
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:84:58
[INFO] [stdout]    |
[INFO] [stdout] 84 |             DecodingError::IOError( ref error ) => error.description(),
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:931:27
[INFO] [stdout]     |
[INFO] [stdout] 931 |                     error.description(),
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:932:30
[INFO] [stdout]     |
[INFO] [stdout] 932 |                     io_error.description() );
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/lib.rs:496:58
[INFO] [stdout]     |
[INFO] [stdout] 496 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/lib.rs:496:58
[INFO] [stdout]     |
[INFO] [stdout] 496 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/lib.rs:515:58
[INFO] [stdout]     |
[INFO] [stdout] 515 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/lib.rs:515:58
[INFO] [stdout]     |
[INFO] [stdout] 515 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `palette`
[INFO] [stdout]    --> src/lib.rs:562:39
[INFO] [stdout]     |
[INFO] [stdout] 562 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_palette`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `palette`
[INFO] [stdout]    --> src/lib.rs:562:39
[INFO] [stdout]     |
[INFO] [stdout] 562 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_palette`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `palette`
[INFO] [stdout]    --> src/lib.rs:595:39
[INFO] [stdout]     |
[INFO] [stdout] 595 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_palette`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/lib.rs:595:58
[INFO] [stdout]     |
[INFO] [stdout] 595 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `palette`
[INFO] [stdout]    --> src/lib.rs:595:39
[INFO] [stdout]     |
[INFO] [stdout] 595 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_palette`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/lib.rs:595:58
[INFO] [stdout]     |
[INFO] [stdout] 595 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `palette`
[INFO] [stdout]    --> src/lib.rs:610:39
[INFO] [stdout]     |
[INFO] [stdout] 610 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_palette`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `palette`
[INFO] [stdout]    --> src/lib.rs:610:39
[INFO] [stdout]     |
[INFO] [stdout] 610 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_palette`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:937:13
[INFO] [stdout]     |
[INFO] [stdout] 937 |             _ => panic!( "No IO Error" ),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `planes` is never read
[INFO] [stdout]    --> src/lib.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | struct Core {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 147 |     planes: u16,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ppm_x`, `ppm_y`, and `important_colors` are never read
[INFO] [stdout]    --> src/lib.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | struct Info {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 240 |     ppm_x: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 241 |     ppm_y: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 242 |     used_colors: u32,
[INFO] [stdout] 243 |     important_colors: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/lib.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 299 | struct BMPExtra {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 300 |     color_space_type: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 301 |     red_x: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 302 |     red_y: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 303 |     red_z: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 304 |     green_x: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 305 |     green_y: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 306 |     green_z: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 307 |     blue_x: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 308 |     blue_y: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 309 |     blue_z: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 310 |     gamma_red: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 311 |     gamma_green: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 312 |     gamma_blue: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `intent`, `data`, `size`, and `reserved` are never read
[INFO] [stdout]    --> src/lib.rs:352:5
[INFO] [stdout]     |
[INFO] [stdout] 351 | struct BMPProfile {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 352 |     intent: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 353 |     data: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 354 |     size: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 355 |     reserved: u32,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:957:13
[INFO] [stdout]     |
[INFO] [stdout] 957 |             _ => false,
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `extra` and `profile` are never read
[INFO] [stdout]    --> src/lib.rs:382:5
[INFO] [stdout]     |
[INFO] [stdout] 376 | struct Header {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 382 |     extra: Option<BMPExtra>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 383 |     profile: Option<BMPProfile>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/lib.rs:956:37
[INFO] [stdout]     |
[INFO] [stdout] 956 |             DecodingError::IOError( error ) => true,
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `planes` is never read
[INFO] [stdout]    --> src/lib.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | struct Core {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 147 |     planes: u16,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ppm_x`, `ppm_y`, and `important_colors` are never read
[INFO] [stdout]    --> src/lib.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | struct Info {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 240 |     ppm_x: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 241 |     ppm_y: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 242 |     used_colors: u32,
[INFO] [stdout] 243 |     important_colors: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/lib.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 299 | struct BMPExtra {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 300 |     color_space_type: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 301 |     red_x: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 302 |     red_y: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 303 |     red_z: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 304 |     green_x: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 305 |     green_y: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 306 |     green_z: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 307 |     blue_x: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 308 |     blue_y: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 309 |     blue_z: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 310 |     gamma_red: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 311 |     gamma_green: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 312 |     gamma_blue: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `intent`, `data`, `size`, and `reserved` are never read
[INFO] [stdout]    --> src/lib.rs:352:5
[INFO] [stdout]     |
[INFO] [stdout] 351 | struct BMPProfile {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 352 |     intent: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 353 |     data: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 354 |     size: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 355 |     reserved: u32,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `extra` and `profile` are never read
[INFO] [stdout]    --> src/lib.rs:382:5
[INFO] [stdout]     |
[INFO] [stdout] 376 | struct Header {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 382 |     extra: Option<BMPExtra>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 383 |     profile: Option<BMPProfile>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "65230545f679347a1de5a41fd2994b8055360e33b6cd40e48d669a95cc30a211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65230545f679347a1de5a41fd2994b8055360e33b6cd40e48d669a95cc30a211", kill_on_drop: false }`
[INFO] [stdout] 65230545f679347a1de5a41fd2994b8055360e33b6cd40e48d669a95cc30a211
[INFO] checking bmp_rs-0.0.9 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate bmp_rs 0.0.9 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate bmp_rs 0.0.9 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bmp_rs 0.0.9
[INFO] finished tweaking crates.io crate bmp_rs 0.0.9
[INFO] tweaked toml for crates.io crate bmp_rs 0.0.9 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a296ad897ecd21936a24ee8c98bd201b2f22c34dc1dc2d9f1a5dcdce87f00e3a
[INFO] running `Command { std: "docker" "start" "-a" "a296ad897ecd21936a24ee8c98bd201b2f22c34dc1dc2d9f1a5dcdce87f00e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a296ad897ecd21936a24ee8c98bd201b2f22c34dc1dc2d9f1a5dcdce87f00e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a296ad897ecd21936a24ee8c98bd201b2f22c34dc1dc2d9f1a5dcdce87f00e3a", kill_on_drop: false }`
[INFO] [stdout] a296ad897ecd21936a24ee8c98bd201b2f22c34dc1dc2d9f1a5dcdce87f00e3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff6b05a8995f67648d4c100a27b16e27b9551a07b7e8744864cfd4feda04848f
[INFO] running `Command { std: "docker" "start" "-a" "ff6b05a8995f67648d4c100a27b16e27b9551a07b7e8744864cfd4feda04848f", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking bmp_rs v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BigEndian`
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     BigEndian,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BigEndian`
[INFO] [stdout]   --> src/lib.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     BigEndian,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:648:17
[INFO] [stdout]     |
[INFO] [stdout] 648 |     input: &mut io::Read, mut builder: TBuilder ) -> Result<TBuilder::TResult> {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 648 |     input: &mut dyn io::Read, mut builder: TBuilder ) -> Result<TBuilder::TResult> {
[INFO] [stdout]     |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:88:34
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn cause( &self ) -> Option<&error::Error> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn cause( &self ) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:648:17
[INFO] [stdout]     |
[INFO] [stdout] 648 |     input: &mut io::Read, mut builder: TBuilder ) -> Result<TBuilder::TResult> {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 648 |     input: &mut dyn io::Read, mut builder: TBuilder ) -> Result<TBuilder::TResult> {
[INFO] [stdout]     |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:88:34
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn cause( &self ) -> Option<&error::Error> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn cause( &self ) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:387:33
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn from_reader( input: &mut io::Read ) -> Result<Header> {
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn from_reader( input: &mut dyn io::Read ) -> Result<Header> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:387:33
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn from_reader( input: &mut io::Read ) -> Result<Header> {
[INFO] [stdout]     |                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn from_reader( input: &mut dyn io::Read ) -> Result<Header> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:84:58
[INFO] [stdout]    |
[INFO] [stdout] 84 |             DecodingError::IOError( ref error ) => error.description(),
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:84:58
[INFO] [stdout]    |
[INFO] [stdout] 84 |             DecodingError::IOError( ref error ) => error.description(),
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:931:27
[INFO] [stdout]     |
[INFO] [stdout] 931 |                     error.description(),
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:932:30
[INFO] [stdout]     |
[INFO] [stdout] 932 |                     io_error.description() );
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/lib.rs:496:58
[INFO] [stdout]     |
[INFO] [stdout] 496 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/lib.rs:515:58
[INFO] [stdout]     |
[INFO] [stdout] 515 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `palette`
[INFO] [stdout]    --> src/lib.rs:562:39
[INFO] [stdout]     |
[INFO] [stdout] 562 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_palette`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `palette`
[INFO] [stdout]    --> src/lib.rs:595:39
[INFO] [stdout]     |
[INFO] [stdout] 595 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_palette`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/lib.rs:595:58
[INFO] [stdout]     |
[INFO] [stdout] 595 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `palette`
[INFO] [stdout]    --> src/lib.rs:610:39
[INFO] [stdout]     |
[INFO] [stdout] 610 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_palette`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/lib.rs:496:58
[INFO] [stdout]     |
[INFO] [stdout] 496 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/lib.rs:515:58
[INFO] [stdout]     |
[INFO] [stdout] 515 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `palette`
[INFO] [stdout]    --> src/lib.rs:562:39
[INFO] [stdout]     |
[INFO] [stdout] 562 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_palette`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `palette`
[INFO] [stdout]    --> src/lib.rs:595:39
[INFO] [stdout]     |
[INFO] [stdout] 595 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_palette`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mask`
[INFO] [stdout]    --> src/lib.rs:595:58
[INFO] [stdout]     |
[INFO] [stdout] 595 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_mask`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `palette`
[INFO] [stdout]    --> src/lib.rs:610:39
[INFO] [stdout]     |
[INFO] [stdout] 610 |     width: u32, row: u32, buf: &[u8], palette: &[Color], mask: &BitfieldMask, builder: &mut TBuilder ) {
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_palette`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `planes` is never read
[INFO] [stdout]    --> src/lib.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | struct Core {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 147 |     planes: u16,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ppm_x`, `ppm_y`, and `important_colors` are never read
[INFO] [stdout]    --> src/lib.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | struct Info {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 240 |     ppm_x: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 241 |     ppm_y: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 242 |     used_colors: u32,
[INFO] [stdout] 243 |     important_colors: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/lib.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 299 | struct BMPExtra {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 300 |     color_space_type: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 301 |     red_x: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 302 |     red_y: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 303 |     red_z: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 304 |     green_x: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 305 |     green_y: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 306 |     green_z: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 307 |     blue_x: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 308 |     blue_y: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 309 |     blue_z: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 310 |     gamma_red: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 311 |     gamma_green: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 312 |     gamma_blue: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `intent`, `data`, `size`, and `reserved` are never read
[INFO] [stdout]    --> src/lib.rs:352:5
[INFO] [stdout]     |
[INFO] [stdout] 351 | struct BMPProfile {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 352 |     intent: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 353 |     data: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 354 |     size: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 355 |     reserved: u32,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `extra` and `profile` are never read
[INFO] [stdout]    --> src/lib.rs:382:5
[INFO] [stdout]     |
[INFO] [stdout] 376 | struct Header {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 382 |     extra: Option<BMPExtra>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 383 |     profile: Option<BMPProfile>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:937:13
[INFO] [stdout]     |
[INFO] [stdout] 937 |             _ => panic!( "No IO Error" ),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:957:13
[INFO] [stdout]     |
[INFO] [stdout] 957 |             _ => false,
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/lib.rs:956:37
[INFO] [stdout]     |
[INFO] [stdout] 956 |             DecodingError::IOError( error ) => true,
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `planes` is never read
[INFO] [stdout]    --> src/lib.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | struct Core {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 147 |     planes: u16,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ppm_x`, `ppm_y`, and `important_colors` are never read
[INFO] [stdout]    --> src/lib.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 237 | struct Info {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 240 |     ppm_x: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 241 |     ppm_y: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 242 |     used_colors: u32,
[INFO] [stdout] 243 |     important_colors: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/lib.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 299 | struct BMPExtra {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 300 |     color_space_type: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 301 |     red_x: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 302 |     red_y: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 303 |     red_z: i32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 304 |     green_x: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 305 |     green_y: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 306 |     green_z: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 307 |     blue_x: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 308 |     blue_y: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 309 |     blue_z: i32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 310 |     gamma_red: u32,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 311 |     gamma_green: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 312 |     gamma_blue: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `intent`, `data`, `size`, and `reserved` are never read
[INFO] [stdout]    --> src/lib.rs:352:5
[INFO] [stdout]     |
[INFO] [stdout] 351 | struct BMPProfile {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 352 |     intent: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 353 |     data: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 354 |     size: u32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 355 |     reserved: u32,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `extra` and `profile` are never read
[INFO] [stdout]    --> src/lib.rs:382:5
[INFO] [stdout]     |
[INFO] [stdout] 376 | struct Header {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 382 |     extra: Option<BMPExtra>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 383 |     profile: Option<BMPProfile>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "ff6b05a8995f67648d4c100a27b16e27b9551a07b7e8744864cfd4feda04848f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff6b05a8995f67648d4c100a27b16e27b9551a07b7e8744864cfd4feda04848f", kill_on_drop: false }`
[INFO] [stdout] ff6b05a8995f67648d4c100a27b16e27b9551a07b7e8744864cfd4feda04848f
