[INFO] cloning repository https://github.com/phhytrg/pngme [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phhytrg/pngme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphhytrg%2Fpngme", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphhytrg%2Fpngme'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dcc4258f4c0623da2b7af22861757e13cd487a84 [INFO] checking phhytrg/pngme against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphhytrg%2Fpngme" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/phhytrg/pngme [INFO] finished tweaking git repo https://github.com/phhytrg/pngme [INFO] tweaked toml for git repo https://github.com/phhytrg/pngme written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/phhytrg/pngme on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/phhytrg/pngme 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 06efc32062178f5b15b11126050f1cc7e118570a987796088d22c1a91f650a43 [INFO] running `Command { std: "docker" "start" "-a" "06efc32062178f5b15b11126050f1cc7e118570a987796088d22c1a91f650a43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06efc32062178f5b15b11126050f1cc7e118570a987796088d22c1a91f650a43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06efc32062178f5b15b11126050f1cc7e118570a987796088d22c1a91f650a43", kill_on_drop: false }` [INFO] [stdout] 06efc32062178f5b15b11126050f1cc7e118570a987796088d22c1a91f650a43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cbd6824890f0a38b75e18490e877d0ba207ea92b4bb414b4c2cdff6194ad8d5b [INFO] running `Command { std: "docker" "start" "-a" "cbd6824890f0a38b75e18490e877d0ba207ea92b4bb414b4c2cdff6194ad8d5b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Checking clap_lex v0.7.4 [INFO] [stderr] Compiling anyhow v1.0.97 [INFO] [stderr] Checking crc-catalog v2.4.0 [INFO] [stderr] Checking crc v3.2.1 [INFO] [stderr] Checking clap_builder v4.5.34 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling clap_derive v4.5.32 [INFO] [stderr] Checking thiserror v2.0.12 [INFO] [stderr] Checking clap v4.5.34 [INFO] [stderr] Checking pngme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `EncodeArgs` [INFO] [stdout] --> src/main.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use args::{Cli, EncodeArgs}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `arg` [INFO] [stdout] --> src/args.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{arg, Parser, Subcommand}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `EncodeArgs` [INFO] [stdout] --> src/main.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use args::{Cli, EncodeArgs}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `arg` [INFO] [stdout] --> src/args.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{arg, Parser, Subcommand}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `InvalidLength` is never constructed [INFO] [stdout] --> src/chunk_type.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum ParseChunkTypeError { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] 7 | #[error("Invalid length (expected 4), got {:?}", found)] [INFO] [stdout] 8 | InvalidLength { found: usize }, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParseChunkTypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_critical`, `is_public`, `is_reserved_bit_valid`, `is_safe_to_copy`, and `is_valid` are never used [INFO] [stdout] --> src/chunk_type.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 53 | impl ChunkType { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn is_critical(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn is_public(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | pub fn is_reserved_bit_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn is_safe_to_copy(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 77 | pub fn is_valid(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `PngError` is never used [INFO] [stdout] --> src/png.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | pub enum PngError {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `from_chunks`, `remove_first_chunk`, `header`, `chunks`, and `chunk_by_type` are never used [INFO] [stdout] --> src/png.rs:73:12 [INFO] [stdout] | [INFO] [stdout] 71 | impl Png { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 72 | pub const STANDARD_HEADER: [u8; 8] = [137, 80, 78, 71, 13, 10, 26, 10]; [INFO] [stdout] 73 | pub fn from_chunks(chunks: Vec) -> Png { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn remove_first_chunk(&mut self, chunk_type: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn header(&self) -> &[u8; 8] { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | pub fn chunks(&self) -> &[Chunk] { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | pub fn chunk_by_type(&self, chunk_type: &str) -> Option<&Chunk> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible> [INFO] [stdout] --> src/chunk_type.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | / self.0 [INFO] [stdout] 56 | | .clone() [INFO] [stdout] 57 | | .try_into() [INFO] [stdout] | |_______________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pngme` (bin "pngme") due to 1 previous error; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variant `InvalidLength` is never constructed [INFO] [stdout] --> src/chunk_type.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum ParseChunkTypeError { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] 7 | #[error("Invalid length (expected 4), got {:?}", found)] [INFO] [stdout] 8 | InvalidLength { found: usize }, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParseChunkTypeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `PngError` is never used [INFO] [stdout] --> src/png.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | pub enum PngError {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `header` is never used [INFO] [stdout] --> src/png.rs:92:12 [INFO] [stdout] | [INFO] [stdout] 71 | impl Png { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 92 | pub fn header(&self) -> &[u8; 8] { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible> [INFO] [stdout] --> src/chunk_type.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | / self.0 [INFO] [stdout] 56 | | .clone() [INFO] [stdout] 57 | | .try_into() [INFO] [stdout] | |_______________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pngme` (bin "pngme" test) due to 1 previous error; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "cbd6824890f0a38b75e18490e877d0ba207ea92b4bb414b4c2cdff6194ad8d5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbd6824890f0a38b75e18490e877d0ba207ea92b4bb414b4c2cdff6194ad8d5b", kill_on_drop: false }` [INFO] [stdout] cbd6824890f0a38b75e18490e877d0ba207ea92b4bb414b4c2cdff6194ad8d5b