[INFO] fetching crate png-to-twmap 0.4.2...
[INFO] checking png-to-twmap-0.4.2 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate png-to-twmap 0.4.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate png-to-twmap 0.4.2
[INFO] finished tweaking crates.io crate png-to-twmap 0.4.2
[INFO] tweaked toml for crates.io crate png-to-twmap 0.4.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate png-to-twmap 0.4.2 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate png-to-twmap 0.4.2 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8fcd69871f3c075917229431d307977a84f92d809057c9d58f586e448a735eb
[INFO] running `Command { std: "docker" "start" "-a" "f8fcd69871f3c075917229431d307977a84f92d809057c9d58f586e448a735eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8fcd69871f3c075917229431d307977a84f92d809057c9d58f586e448a735eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8fcd69871f3c075917229431d307977a84f92d809057c9d58f586e448a735eb", kill_on_drop: false }`
[INFO] [stdout] f8fcd69871f3c075917229431d307977a84f92d809057c9d58f586e448a735eb
[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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0636eb9f189b0a1a41989acbcebab21e09d0b96c511520aff29f0fbb076fcf76
[INFO] running `Command { std: "docker" "start" "-a" "0636eb9f189b0a1a41989acbcebab21e09d0b96c511520aff29f0fbb076fcf76", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling cc v1.0.94
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling built v0.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking v_frame v0.3.8
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling vek v0.16.1
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling fixed v1.27.0
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking bitstream-io v2.2.0
[INFO] [stderr]     Checking imgref v1.10.1
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking avif-serialize v0.8.1
[INFO] [stderr]     Checking zune-jpeg v0.4.11
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking opus_headers v0.1.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling libz-sys v1.1.16
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking av1-grain v0.2.3
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling structview_derive v1.1.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking sanitize-filename v0.5.0
[INFO] [stderr]     Checking structview v1.1.0
[INFO] [stderr]    Compiling bytemuck_derive v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.198
[INFO] [stderr]    Compiling profiling-procmacros v1.0.15
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking profiling v1.0.15
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking image-webp v0.1.2
[INFO] [stderr]     Checking kdtree v0.7.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking rgb v0.8.37
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking rsn v0.1.0
[INFO] [stderr]     Checking ravif v0.11.5
[INFO] [stderr]     Checking image v0.25.1
[INFO] [stderr]     Checking twmap v0.12.0
[INFO] [stderr]     Checking png-to-twmap v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Mapping` is never constructed
[INFO] [stdout]    --> src/main.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | struct Mapping {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mapping` is never constructed
[INFO] [stdout]    --> src/main.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | struct Mapping {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[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 37.92s
[INFO] running `Command { std: "docker" "inspect" "0636eb9f189b0a1a41989acbcebab21e09d0b96c511520aff29f0fbb076fcf76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0636eb9f189b0a1a41989acbcebab21e09d0b96c511520aff29f0fbb076fcf76", kill_on_drop: false }`
[INFO] [stdout] 0636eb9f189b0a1a41989acbcebab21e09d0b96c511520aff29f0fbb076fcf76