[INFO] fetching crate nimage 0.1.10...
[INFO] testing nimage-0.1.10 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate nimage 0.1.10 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nimage 0.1.10
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nimage 0.1.10
[INFO] tweaked toml for crates.io crate nimage 0.1.10 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nimage 0.1.10 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 crates.io crate nimage 0.1.10 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] 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] 1b6958de6214a61da39934b0bfff8ac0b27057b849095f285e1760d9a975ee75
[INFO] running `Command { std: "docker" "start" "-a" "1b6958de6214a61da39934b0bfff8ac0b27057b849095f285e1760d9a975ee75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b6958de6214a61da39934b0bfff8ac0b27057b849095f285e1760d9a975ee75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6958de6214a61da39934b0bfff8ac0b27057b849095f285e1760d9a975ee75", kill_on_drop: false }`
[INFO] [stdout] 1b6958de6214a61da39934b0bfff8ac0b27057b849095f285e1760d9a975ee75
[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] 5854c8c185fac7c45d6996b27080470f92c624a9fef9a0d5e49d2c6a5bd321e7
[INFO] running `Command { std: "docker" "start" "-a" "5854c8c185fac7c45d6996b27080470f92c624a9fef9a0d5e49d2c6a5bd321e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling micromath v2.1.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling embedded-graphics-core v0.4.0
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling flate2 v1.1.1
[INFO] [stderr]    Compiling embedded-graphics v0.8.1
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling tinytga v0.5.0
[INFO] [stderr]    Compiling nimage v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.34s
[INFO] running `Command { std: "docker" "inspect" "5854c8c185fac7c45d6996b27080470f92c624a9fef9a0d5e49d2c6a5bd321e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5854c8c185fac7c45d6996b27080470f92c624a9fef9a0d5e49d2c6a5bd321e7", kill_on_drop: false }`
[INFO] [stdout] 5854c8c185fac7c45d6996b27080470f92c624a9fef9a0d5e49d2c6a5bd321e7
[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] eecfd633ad8bcb994c814cbbd57353323b7a16488bc1356351a5acdbc49a24d0
[INFO] running `Command { std: "docker" "start" "-a" "eecfd633ad8bcb994c814cbbd57353323b7a16488bc1356351a5acdbc49a24d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling clap_builder v4.5.37
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling embedded-graphics v0.8.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling clap v4.5.37
[INFO] [stderr]    Compiling tinytga v0.5.0
[INFO] [stderr]    Compiling nimage v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/parse.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let (_, mut image) = nimage::import::open(data.as_slice()).unwrap();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/remove_alpha.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let (_, mut image) = nimage::import::open(data.as_slice()).unwrap();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.95s
[INFO] running `Command { std: "docker" "inspect" "eecfd633ad8bcb994c814cbbd57353323b7a16488bc1356351a5acdbc49a24d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eecfd633ad8bcb994c814cbbd57353323b7a16488bc1356351a5acdbc49a24d0", kill_on_drop: false }`
[INFO] [stdout] eecfd633ad8bcb994c814cbbd57353323b7a16488bc1356351a5acdbc49a24d0
[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] 560e42eb0f4d78207a7edd1e9ba539870590341c2bb217937a7be1edf00a4bab
[INFO] running `Command { std: "docker" "start" "-a" "560e42eb0f4d78207a7edd1e9ba539870590341c2bb217937a7be1edf00a4bab", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/parse.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let (_, mut image) = nimage::import::open(data.as_slice()).unwrap();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/remove_alpha.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let (_, mut image) = nimage::import::open(data.as_slice()).unwrap();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nimage` (example "parse") generated 1 warning (run `cargo fix --example "parse"` to apply 1 suggestion)
[INFO] [stderr] warning: `nimage` (example "remove_alpha") generated 1 warning (run `cargo fix --example "remove_alpha"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nimage-bae4ea1e2f6d31cb)
[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 nimage
[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" "560e42eb0f4d78207a7edd1e9ba539870590341c2bb217937a7be1edf00a4bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "560e42eb0f4d78207a7edd1e9ba539870590341c2bb217937a7be1edf00a4bab", kill_on_drop: false }`
[INFO] [stdout] 560e42eb0f4d78207a7edd1e9ba539870590341c2bb217937a7be1edf00a4bab