[INFO] cloning repository https://github.com/AllenDang/PngOptimizier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AllenDang/PngOptimizier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllenDang%2FPngOptimizier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllenDang%2FPngOptimizier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08121b972315168cec45653e985b0f05aadea510
[INFO] checking AllenDang/PngOptimizier against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllenDang%2FPngOptimizier" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AllenDang/PngOptimizier on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AllenDang/PngOptimizier
[INFO] finished tweaking git repo https://github.com/AllenDang/PngOptimizier
[INFO] tweaked toml for git repo https://github.com/AllenDang/PngOptimizier written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AllenDang/PngOptimizier 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zopfli v0.7.4
[INFO] [stderr]   Downloaded fl2rust-macro v0.5.19
[INFO] [stderr]   Downloaded fluid-parser v0.1.15
[INFO] [stderr]   Downloaded libdeflater v0.11.0
[INFO] [stderr]   Downloaded fl2rust v0.5.19
[INFO] [stderr]   Downloaded cmake v0.1.50
[INFO] [stderr]   Downloaded embed-resource v2.4.2
[INFO] [stderr]   Downloaded float-pretty-print v0.1.1
[INFO] [stderr]   Downloaded winreg v0.52.0
[INFO] [stderr]   Downloaded fltk v1.4.26
[INFO] [stderr]   Downloaded libdeflate-sys v0.11.0
[INFO] [stderr]   Downloaded oxipng v8.0.0
[INFO] [stderr]   Downloaded fltk-theme v0.7.2
[INFO] [stderr]   Downloaded fltk-sys v1.4.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 454bcd8fc76ef50ca7e603d9d63594db647a863816b589810aeba3d176771ed4
[INFO] running `Command { std: "docker" "start" "-a" "454bcd8fc76ef50ca7e603d9d63594db647a863816b589810aeba3d176771ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "454bcd8fc76ef50ca7e603d9d63594db647a863816b589810aeba3d176771ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454bcd8fc76ef50ca7e603d9d63594db647a863816b589810aeba3d176771ed4", kill_on_drop: false }`
[INFO] [stdout] 454bcd8fc76ef50ca7e603d9d63594db647a863816b589810aeba3d176771ed4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23851c871b90d3730a1b4be8c429db22e034ccb7dcc46a4fe309538b11fe7a2d
[INFO] running `Command { std: "docker" "start" "-a" "23851c871b90d3730a1b4be8c429db22e034ccb7dcc46a4fe309538b11fe7a2d", kill_on_drop: false }`
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling winnow v0.6.5
[INFO] [stderr]    Compiling libdeflate-sys v0.11.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling fltk-sys v1.4.26
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]    Compiling fluid-parser v0.1.15
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking libdeflater v0.11.0
[INFO] [stderr]    Compiling fl2rust v0.5.19
[INFO] [stderr]     Checking zopfli v0.7.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rgb v0.8.37
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling fl2rust-macro v0.5.19
[INFO] [stderr]     Checking float-pretty-print v0.1.1
[INFO] [stderr]     Checking oxipng v8.0.0
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling toml_edit v0.22.9
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]    Compiling toml v0.8.12
[INFO] [stderr]    Compiling embed-resource v2.4.2
[INFO] [stderr]    Compiling png_optimizer v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fltk v1.4.26
[INFO] [stderr]     Checking fltk-theme v0.7.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 32s
[INFO] running `Command { std: "docker" "inspect" "23851c871b90d3730a1b4be8c429db22e034ccb7dcc46a4fe309538b11fe7a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23851c871b90d3730a1b4be8c429db22e034ccb7dcc46a4fe309538b11fe7a2d", kill_on_drop: false }`
[INFO] [stdout] 23851c871b90d3730a1b4be8c429db22e034ccb7dcc46a4fe309538b11fe7a2d