[INFO] cloning repository https://github.com/sjudin/rust-png-decoder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjudin/rust-png-decoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjudin%2Frust-png-decoder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjudin%2Frust-png-decoder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0ab499bf1d698e120bd0b9fc7cc7ce01c42b427
[INFO] testing sjudin/rust-png-decoder against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjudin%2Frust-png-decoder" "/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/sjudin/rust-png-decoder
[INFO] finished tweaking git repo https://github.com/sjudin/rust-png-decoder
[INFO] tweaked toml for git repo https://github.com/sjudin/rust-png-decoder written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sjudin/rust-png-decoder on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sjudin/rust-png-decoder 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-ffi v0.16.5
[INFO] [stderr]   Downloaded pyo3-build-config v0.16.5
[INFO] [stderr]   Downloaded target-lexicon v0.12.4
[INFO] [stderr]   Downloaded unindent v0.1.9
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[INFO] [stderr]   Downloaded pyo3 v0.16.5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0eeef9ca21f52d3fbaf1353d021079d5ca1a846a7f643384bb74ca4b4a4665fa
[INFO] running `Command { std: "docker" "start" "-a" "0eeef9ca21f52d3fbaf1353d021079d5ca1a846a7f643384bb74ca4b4a4665fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0eeef9ca21f52d3fbaf1353d021079d5ca1a846a7f643384bb74ca4b4a4665fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eeef9ca21f52d3fbaf1353d021079d5ca1a846a7f643384bb74ca4b4a4665fa", kill_on_drop: false }`
[INFO] [stdout] 0eeef9ca21f52d3fbaf1353d021079d5ca1a846a7f643384bb74ca4b4a4665fa
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac42fa7e0acd4bf1780c600ca0415b2a441a3bd9199a2f5eb63ba0a26dc31838
[INFO] running `Command { std: "docker" "start" "-a" "ac42fa7e0acd4bf1780c600ca0415b2a441a3bd9199a2f5eb63ba0a26dc31838", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling indoc v1.0.6
[INFO] [stderr]    Compiling unindent v0.1.9
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling pyo3-build-config v0.16.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling pyo3-ffi v0.16.5
[INFO] [stderr]    Compiling pyo3 v0.16.5
[INFO] [stderr]    Compiling pyo3-macros-backend v0.16.5
[INFO] [stderr]    Compiling pyo3-macros v0.16.5
[INFO] [stderr]    Compiling png_reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Ancillary(String),
[INFO] [stdout]    |     --------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChunkType` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 -     Ancillary(String),
[INFO] [stdout] 63 +     Ancillary(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `compression_method`, `filter_method`, and `interlace_method` are never read
[INFO] [stdout]    --> src/parser.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub struct PngImage {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 153 |     compression_method: CompressionMethod,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 154 |     filter_method: FilterMethod,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 155 |     interlace_method: InterlaceMethod,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PngImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.97s
[INFO] running `Command { std: "docker" "inspect" "ac42fa7e0acd4bf1780c600ca0415b2a441a3bd9199a2f5eb63ba0a26dc31838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac42fa7e0acd4bf1780c600ca0415b2a441a3bd9199a2f5eb63ba0a26dc31838", kill_on_drop: false }`
[INFO] [stdout] ac42fa7e0acd4bf1780c600ca0415b2a441a3bd9199a2f5eb63ba0a26dc31838
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23bcb3734caf736b86f29aaaeff7e096977f51060e5a2c91d324647fc16bb4ac
[INFO] running `Command { std: "docker" "start" "-a" "23bcb3734caf736b86f29aaaeff7e096977f51060e5a2c91d324647fc16bb4ac", kill_on_drop: false }`
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Ancillary(String),
[INFO] [stdout]    |     --------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChunkType` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 -     Ancillary(String),
[INFO] [stdout] 63 +     Ancillary(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `compression_method`, `filter_method`, and `interlace_method` are never read
[INFO] [stdout]    --> src/parser.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub struct PngImage {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 153 |     compression_method: CompressionMethod,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 154 |     filter_method: FilterMethod,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 155 |     interlace_method: InterlaceMethod,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PngImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling png_reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Ancillary(String),
[INFO] [stdout]    |     --------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChunkType` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 -     Ancillary(String),
[INFO] [stdout] 63 +     Ancillary(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `compression_method`, `filter_method`, and `interlace_method` are never read
[INFO] [stdout]    --> src/parser.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub struct PngImage {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 153 |     compression_method: CompressionMethod,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 154 |     filter_method: FilterMethod,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 155 |     interlace_method: InterlaceMethod,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PngImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "23bcb3734caf736b86f29aaaeff7e096977f51060e5a2c91d324647fc16bb4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23bcb3734caf736b86f29aaaeff7e096977f51060e5a2c91d324647fc16bb4ac", kill_on_drop: false }`
[INFO] [stdout] 23bcb3734caf736b86f29aaaeff7e096977f51060e5a2c91d324647fc16bb4ac
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2deeaed684d176da1c276566fc894df934866a3c78070464241267941218aafd
[INFO] running `Command { std: "docker" "start" "-a" "2deeaed684d176da1c276566fc894df934866a3c78070464241267941218aafd", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/parser.rs:63:15
[INFO] [stderr]    |
[INFO] [stderr] 63 |     Ancillary(String),
[INFO] [stderr]    |     --------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ChunkType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 63 -     Ancillary(String),
[INFO] [stderr] 63 +     Ancillary(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `compression_method`, `filter_method`, and `interlace_method` are never read
[INFO] [stderr]    --> src/parser.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 148 | pub struct PngImage {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 153 |     compression_method: CompressionMethod,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 154 |     filter_method: FilterMethod,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 155 |     interlace_method: InterlaceMethod,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `PngImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `png_reader` (lib) generated 2 warnings
[INFO] [stderr] warning: `png_reader` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_png_reader-20ec77c5dc86b561)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/png_reader-3418b951958c1c52)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_png_reader
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2deeaed684d176da1c276566fc894df934866a3c78070464241267941218aafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2deeaed684d176da1c276566fc894df934866a3c78070464241267941218aafd", kill_on_drop: false }`
[INFO] [stdout] 2deeaed684d176da1c276566fc894df934866a3c78070464241267941218aafd
