[INFO] cloning repository https://github.com/tommymedullary14/zsteg-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tommymedullary14/zsteg-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommymedullary14%2Fzsteg-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommymedullary14%2Fzsteg-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13a3dafaa74ddf605ca681b51c72c17b60c67360
[INFO] checking tommymedullary14/zsteg-rust against master#377656d3dd3f9c23a9c8713e163f4365a5261a84 for pr-146470-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommymedullary14%2Fzsteg-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/tommymedullary14/zsteg-rust
[INFO] finished tweaking git repo https://github.com/tommymedullary14/zsteg-rust
[INFO] tweaked toml for git repo https://github.com/tommymedullary14/zsteg-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tommymedullary14/zsteg-rust on toolchain 377656d3dd3f9c23a9c8713e163f4365a5261a84
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tommymedullary14/zsteg-rust 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" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.5.49
[INFO] [stderr]   Downloaded clap_builder v4.5.49
[INFO] [stderr]   Downloaded libz-sys v1.1.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 660e192e41118ee5aebde3e8658fdbac1e2c64362ffb033df8b580481a8236ae
[INFO] running `Command { std: "docker" "start" "-a" "660e192e41118ee5aebde3e8658fdbac1e2c64362ffb033df8b580481a8236ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "660e192e41118ee5aebde3e8658fdbac1e2c64362ffb033df8b580481a8236ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660e192e41118ee5aebde3e8658fdbac1e2c64362ffb033df8b580481a8236ae", kill_on_drop: false }`
[INFO] [stdout] 660e192e41118ee5aebde3e8658fdbac1e2c64362ffb033df8b580481a8236ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+377656d3dd3f9c23a9c8713e163f4365a5261a84" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27e4da6e36315168f53308fea2e516c07ac29710ab35a7881c2c36902b1eccd1
[INFO] running `Command { std: "docker" "start" "-a" "27e4da6e36315168f53308fea2e516c07ac29710ab35a7881c2c36902b1eccd1", kill_on_drop: false }`
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]     Checking colored v2.2.0
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking clap_builder v4.5.49
[INFO] [stderr]     Checking flate2 v1.1.4
[INFO] [stderr]     Checking png v0.18.0
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking image v0.25.8
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking clap v4.5.49
[INFO] [stderr]     Checking zsteg-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/result.rs:65:48
[INFO] [stdout]    |
[INFO] [stdout] 65 |             DetectResult::Zlib { data, offset, size } => {
[INFO] [stdout]    |                                                ^^^^ help: try ignoring the field: `size: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/result.rs:65:48
[INFO] [stdout]    |
[INFO] [stdout] 65 |             DetectResult::Zlib { data, offset, size } => {
[INFO] [stdout]    |                                                ^^^^ help: try ignoring the field: `size: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Unknown` is never constructed
[INFO] [stdout]  --> src/imageio.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum ImgFormat { Png, Bmp, Unknown }
[INFO] [stdout]   |          ---------             ^^^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          variant in this enum
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ImgFormat` has derived impls for the traits `Clone` and `Debug`, but these are 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: variant `Unknown` is never constructed
[INFO] [stdout]  --> src/imageio.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum ImgFormat { Png, Bmp, Unknown }
[INFO] [stdout]   |          ---------             ^^^^^^^
[INFO] [stdout]   |          |
[INFO] [stdout]   |          variant in this enum
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ImgFormat` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.75s
[INFO] running `Command { std: "docker" "inspect" "27e4da6e36315168f53308fea2e516c07ac29710ab35a7881c2c36902b1eccd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e4da6e36315168f53308fea2e516c07ac29710ab35a7881c2c36902b1eccd1", kill_on_drop: false }`
[INFO] [stdout] 27e4da6e36315168f53308fea2e516c07ac29710ab35a7881c2c36902b1eccd1