[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 master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphhytrg%2Fpngme" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/phhytrg/pngme on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a785e5fd41f7fa396a22ff207150845e24ed4126be3c1710187518a38c34d7c
[INFO] running `Command { std: "docker" "start" "-a" "4a785e5fd41f7fa396a22ff207150845e24ed4126be3c1710187518a38c34d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a785e5fd41f7fa396a22ff207150845e24ed4126be3c1710187518a38c34d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a785e5fd41f7fa396a22ff207150845e24ed4126be3c1710187518a38c34d7c", kill_on_drop: false }`
[INFO] [stdout] 4a785e5fd41f7fa396a22ff207150845e24ed4126be3c1710187518a38c34d7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95a972852585fc113e903dcbeed1b0cb76839219a7295a8bc27eefdb8aee925e
[INFO] running `Command { std: "docker" "start" "-a" "95a972852585fc113e903dcbeed1b0cb76839219a7295a8bc27eefdb8aee925e", 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<Chunk>) -> Png {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn remove_first_chunk(&mut self, chunk_type: &str) -> Result<Chunk, &str> {
[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] 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `Command { std: "docker" "inspect" "95a972852585fc113e903dcbeed1b0cb76839219a7295a8bc27eefdb8aee925e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a972852585fc113e903dcbeed1b0cb76839219a7295a8bc27eefdb8aee925e", kill_on_drop: false }`
[INFO] [stdout] 95a972852585fc113e903dcbeed1b0cb76839219a7295a8bc27eefdb8aee925e