[INFO] cloning repository https://github.com/DaniilMarch/png_to_jpeg [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DaniilMarch/png_to_jpeg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaniilMarch%2Fpng_to_jpeg", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaniilMarch%2Fpng_to_jpeg'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e1299aa44e063ca9838fded6ed0241bd2a363e82 [INFO] checking DaniilMarch/png_to_jpeg against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaniilMarch%2Fpng_to_jpeg" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DaniilMarch/png_to_jpeg on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/DaniilMarch/png_to_jpeg [INFO] finished tweaking git repo https://github.com/DaniilMarch/png_to_jpeg [INFO] tweaked toml for git repo https://github.com/DaniilMarch/png_to_jpeg written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/DaniilMarch/png_to_jpeg already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3056b86c2da5fa963c6bb541d272c468ed5fdf084bf8d8796eb056893a937dc6 [INFO] running `Command { std: "docker" "start" "-a" "3056b86c2da5fa963c6bb541d272c468ed5fdf084bf8d8796eb056893a937dc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3056b86c2da5fa963c6bb541d272c468ed5fdf084bf8d8796eb056893a937dc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3056b86c2da5fa963c6bb541d272c468ed5fdf084bf8d8796eb056893a937dc6", kill_on_drop: false }` [INFO] [stdout] 3056b86c2da5fa963c6bb541d272c468ed5fdf084bf8d8796eb056893a937dc6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e2fd72dffa2e03be86881c50804dbb316bbfbb87e650fb847cd1b29a9f797bc [INFO] running `Command { std: "docker" "start" "-a" "9e2fd72dffa2e03be86881c50804dbb316bbfbb87e650fb847cd1b29a9f797bc", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Checking png_to_jpeg v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/png/mod.rs (1 fix) [INFO] [stderr] Fixed src/util/mod.rs (1 fix) [INFO] [stderr] Fixed src/main.rs (1 fix) [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> src/png/mod.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> src/png/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `bit_depth` [INFO] [stdout] --> src/png/mod.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | bit_depth: u8, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `color_type` [INFO] [stdout] --> src/png/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | color_type: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `compression_method` [INFO] [stdout] --> src/png/mod.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | compression_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `filter_method` [INFO] [stdout] --> src/png/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | filter_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `interlace_method` [INFO] [stdout] --> src/png/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | interlace_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/png/mod.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ihdr` [INFO] [stdout] --> src/png/mod.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | ihdr: IHDR, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `filepath` [INFO] [stdout] --> src/png/mod.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | filepath: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | file.read(&mut signature_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | file.read(&mut ihdr_chunk_length_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | file.read(&mut ihdr_type_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | file.read(&mut ihdr_chunk_data_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> src/png/mod.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> src/png/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `bit_depth` [INFO] [stdout] --> src/png/mod.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | bit_depth: u8, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `color_type` [INFO] [stdout] --> src/png/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | color_type: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `compression_method` [INFO] [stdout] --> src/png/mod.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | compression_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `filter_method` [INFO] [stdout] --> src/png/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | filter_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `interlace_method` [INFO] [stdout] --> src/png/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | interlace_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/png/mod.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ihdr` [INFO] [stdout] --> src/png/mod.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | ihdr: IHDR, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `filepath` [INFO] [stdout] --> src/png/mod.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | filepath: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | file.read(&mut signature_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | file.read(&mut ihdr_chunk_length_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | file.read(&mut ihdr_type_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | file.read(&mut ihdr_chunk_data_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.69s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking png_to_jpeg v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> src/png/mod.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> src/png/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `bit_depth` [INFO] [stdout] --> src/png/mod.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | bit_depth: u8, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `color_type` [INFO] [stdout] --> src/png/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | color_type: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `compression_method` [INFO] [stdout] --> src/png/mod.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | compression_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `filter_method` [INFO] [stdout] --> src/png/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | filter_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `interlace_method` [INFO] [stdout] --> src/png/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | interlace_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/png/mod.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ihdr` [INFO] [stdout] --> src/png/mod.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | ihdr: IHDR, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `filepath` [INFO] [stdout] --> src/png/mod.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | filepath: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> src/png/mod.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> src/png/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `bit_depth` [INFO] [stdout] --> src/png/mod.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | bit_depth: u8, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `color_type` [INFO] [stdout] --> src/png/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | color_type: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `compression_method` [INFO] [stdout] --> src/png/mod.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | compression_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `filter_method` [INFO] [stdout] --> src/png/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | filter_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `interlace_method` [INFO] [stdout] --> src/png/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | interlace_method: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/png/mod.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ihdr` [INFO] [stdout] --> src/png/mod.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | ihdr: IHDR, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `filepath` [INFO] [stdout] --> src/png/mod.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | filepath: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | file.read(&mut signature_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | file.read(&mut ihdr_chunk_length_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | file.read(&mut ihdr_type_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | file.read(&mut ihdr_chunk_data_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | file.read(&mut signature_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | file.read(&mut ihdr_chunk_length_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | file.read(&mut ihdr_type_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/png/mod.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | file.read(&mut ihdr_chunk_data_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "9e2fd72dffa2e03be86881c50804dbb316bbfbb87e650fb847cd1b29a9f797bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e2fd72dffa2e03be86881c50804dbb316bbfbb87e650fb847cd1b29a9f797bc", kill_on_drop: false }` [INFO] [stdout] 9e2fd72dffa2e03be86881c50804dbb316bbfbb87e650fb847cd1b29a9f797bc