[INFO] fetching crate png-to-twmap 0.4.2...
[INFO] testing png-to-twmap-0.4.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate png-to-twmap 0.4.2 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate png-to-twmap 0.4.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ef8ec6cd802f81caa967730bc41567126891ff31d85c7ad00610a6fdfc1d336
[INFO] running `Command { std: "docker" "start" "-a" "3ef8ec6cd802f81caa967730bc41567126891ff31d85c7ad00610a6fdfc1d336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ef8ec6cd802f81caa967730bc41567126891ff31d85c7ad00610a6fdfc1d336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ef8ec6cd802f81caa967730bc41567126891ff31d85c7ad00610a6fdfc1d336", kill_on_drop: false }`
[INFO] [stdout] 3ef8ec6cd802f81caa967730bc41567126891ff31d85c7ad00610a6fdfc1d336
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f36fb3b4331799f3e7ac9aa9bb8d0e7c735251da6aeb4c8794220360c8d7d78
[INFO] running `Command { std: "docker" "start" "-a" "2f36fb3b4331799f3e7ac9aa9bb8d0e7c735251da6aeb4c8794220360c8d7d78", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling cc v1.0.94
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling aligned-vec v0.5.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling built v0.7.2
[INFO] [stderr]    Compiling fdeflate v0.3.4
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling fixed v1.27.0
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
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[INFO] [stderr]    Compiling vek v0.16.1
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling bitstream-io v2.2.0
[INFO] [stderr]    Compiling libz-sys v1.1.16
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling imgref v1.10.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling anstream v0.6.13
[INFO] [stderr]    Compiling avif-serialize v0.8.1
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling byteorder-lite v0.1.0
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling v_frame v0.3.8
[INFO] [stderr]    Compiling loop9 v0.1.5
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling png v0.17.13
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling zune-core v0.4.12
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling exr v1.72.0
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling zune-jpeg v0.4.11
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling opus_headers v0.1.2
[INFO] [stderr]    Compiling av1-grain v0.2.3
[INFO] [stderr]    Compiling structview_derive v1.1.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling structview v1.1.0
[INFO] [stderr]    Compiling sanitize-filename v0.5.0
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[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 arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling profiling v1.0.15
[INFO] [stderr]    Compiling image-webp v0.1.2
[INFO] [stderr]    Compiling kdtree v0.7.0
[INFO] [stderr]    Compiling bytemuck v1.15.0
[INFO] [stderr]    Compiling rgb v0.8.37
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling rsn v0.1.0
[INFO] [stderr]    Compiling ravif v0.11.5
[INFO] [stderr]    Compiling image v0.25.1
[INFO] [stderr]    Compiling twmap v0.12.0
[INFO] [stderr]    Compiling 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "2f36fb3b4331799f3e7ac9aa9bb8d0e7c735251da6aeb4c8794220360c8d7d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f36fb3b4331799f3e7ac9aa9bb8d0e7c735251da6aeb4c8794220360c8d7d78", kill_on_drop: false }`
[INFO] [stdout] 2f36fb3b4331799f3e7ac9aa9bb8d0e7c735251da6aeb4c8794220360c8d7d78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37aec6c805eadd950e8efd3378ea90110eb037eab929c26d4355c64ac8000bf1
[INFO] running `Command { std: "docker" "start" "-a" "37aec6c805eadd950e8efd3378ea90110eb037eab929c26d4355c64ac8000bf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "37aec6c805eadd950e8efd3378ea90110eb037eab929c26d4355c64ac8000bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37aec6c805eadd950e8efd3378ea90110eb037eab929c26d4355c64ac8000bf1", kill_on_drop: false }`
[INFO] [stdout] 37aec6c805eadd950e8efd3378ea90110eb037eab929c26d4355c64ac8000bf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee9a1b768bd22c11026e5f79819786c5f2ac964007b035fbf5a2d421393294de
[INFO] running `Command { std: "docker" "start" "-a" "ee9a1b768bd22c11026e5f79819786c5f2ac964007b035fbf5a2d421393294de", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Mapping` is never constructed
[INFO] [stdout] 
[INFO] [stderr]    --> src/main.rs:131:8
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 131 | struct Mapping {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `png-to-twmap` (bin "png-to-twmap" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/png_to_twmap-71178f4a5a74c4a1)
[INFO] running `Command { std: "docker" "inspect" "ee9a1b768bd22c11026e5f79819786c5f2ac964007b035fbf5a2d421393294de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee9a1b768bd22c11026e5f79819786c5f2ac964007b035fbf5a2d421393294de", kill_on_drop: false }`
[INFO] [stdout] ee9a1b768bd22c11026e5f79819786c5f2ac964007b035fbf5a2d421393294de