[INFO] cloning repository https://github.com/cct124/png-palettes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cct124/png-palettes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcct124%2Fpng-palettes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcct124%2Fpng-palettes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14f57f6932581fb88a1692cb32d69b2f29332aa3
[INFO] checking cct124/png-palettes against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcct124%2Fpng-palettes" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cct124/png-palettes
[INFO] finished tweaking git repo https://github.com/cct124/png-palettes
[INFO] tweaked toml for git repo https://github.com/cct124/png-palettes written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cct124/png-palettes on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cct124/png-palettes 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" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tauri-build v1.2.1
[INFO] [stderr]   Downloaded tauri-utils v1.3.0
[INFO] [stderr]   Downloaded raw-window-handle v0.5.0
[INFO] [stderr]   Downloaded serde v1.0.159
[INFO] [stderr]   Downloaded line-wrap v0.1.1
[INFO] [stderr]   Downloaded serde_derive v1.0.159
[INFO] [stderr]   Downloaded field-offset v0.3.5
[INFO] [stderr]   Downloaded gdkwayland-sys v0.15.3
[INFO] [stderr]   Downloaded gdkx11-sys v0.15.1
[INFO] [stderr]   Downloaded tao-macros v0.1.1
[INFO] [stderr]   Downloaded javascriptcore-rs-sys v0.4.0
[INFO] [stderr]   Downloaded tauri-macros v1.3.0
[INFO] [stderr]   Downloaded imagequant v4.2.0
[INFO] [stderr]   Downloaded rfd v0.10.0
[INFO] [stderr]   Downloaded open v3.2.0
[INFO] [stderr]   Downloaded plist v1.4.3
[INFO] [stderr]   Downloaded tauri-runtime-wry v0.13.0
[INFO] [stderr]   Downloaded uuid v1.3.0
[INFO] [stderr]   Downloaded cairo-rs v0.15.12
[INFO] [stderr]   Downloaded webkit2gtk v0.18.2
[INFO] [stderr]   Downloaded html5ever v0.25.2
[INFO] [stderr]   Downloaded gdk v0.15.4
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[INFO] [stderr]   Downloaded quick-xml v0.28.1
[INFO] [stderr]   Downloaded soup2 v0.2.1
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[INFO] [stderr]   Downloaded glib v0.15.12
[INFO] [stderr]   Downloaded atk v0.15.1
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[INFO] [stderr]   Downloaded webkit2gtk-sys v0.18.0
[INFO] [stderr]   Downloaded json-patch v0.2.7
[INFO] [stderr]   Downloaded infer v0.12.0
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[INFO] [stderr]   Downloaded generator v0.7.3
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[INFO] [stderr]   Downloaded webview2-com v0.19.1
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[INFO] [stderr]   Downloaded pango v0.15.10
[INFO] [stderr]   Downloaded gtk v0.15.5
[INFO] [stderr]   Downloaded cfg-expr v0.9.1
[INFO] [stderr]   Downloaded soup2-sys v0.2.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.39.0
[INFO] [stderr]   Downloaded windows-bindgen v0.39.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.37.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.39.0
[INFO] [stderr]   Downloaded treediff v3.0.2
[INFO] [stderr]   Downloaded windows_i686_msvc v0.37.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.37.0
[INFO] [stderr]   Downloaded gtk3-macros v0.15.6
[INFO] [stderr]   Downloaded javascriptcore-rs v0.16.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.39.0
[INFO] [stderr]   Downloaded cargo_toml v0.13.3
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.37.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.39.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.37.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.39.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.15.11
[INFO] [stderr]   Downloaded version-compare v0.0.11
[INFO] [stderr]   Downloaded webview2-com-macros v0.6.0
[INFO] [stderr]   Downloaded windows-tokens v0.39.0
[INFO] [stderr]   Downloaded windows-implement v0.39.0
[INFO] [stderr]   Downloaded window-shadows v0.2.1
[INFO] [stderr]   Downloaded wry v0.24.3
[INFO] [stderr]   Downloaded tao v0.16.1
[INFO] [stderr]   Downloaded windows-metadata v0.39.0
[INFO] [stderr]   Downloaded webview2-com-sys v0.19.0
[INFO] [stderr]   Downloaded windows v0.39.0
[INFO] [stderr]   Downloaded windows v0.37.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65cd411f7e4a464d90ed1ae1de3af525708d23523e20f9a88c05722685a8cba2
[INFO] running `Command { std: "docker" "start" "-a" "65cd411f7e4a464d90ed1ae1de3af525708d23523e20f9a88c05722685a8cba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65cd411f7e4a464d90ed1ae1de3af525708d23523e20f9a88c05722685a8cba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65cd411f7e4a464d90ed1ae1de3af525708d23523e20f9a88c05722685a8cba2", kill_on_drop: false }`
[INFO] [stdout] 65cd411f7e4a464d90ed1ae1de3af525708d23523e20f9a88c05722685a8cba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f489622a9cdd4c82afb4bf4b2e47b1ecf0305eacf6ef90f7b107c1ba796e6d33
[INFO] running `Command { std: "docker" "start" "-a" "f489622a9cdd4c82afb4bf4b2e47b1ecf0305eacf6ef90f7b107c1ba796e6d33", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling winnow v0.4.1
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling cfg-expr v0.14.0
[INFO] [stderr]    Compiling cfg-expr v0.9.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling gio v0.15.12
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling dtoa-short v0.3.3
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f489622a9cdd4c82afb4bf4b2e47b1ecf0305eacf6ef90f7b107c1ba796e6d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f489622a9cdd4c82afb4bf4b2e47b1ecf0305eacf6ef90f7b107c1ba796e6d33", kill_on_drop: false }`
[INFO] [stdout] f489622a9cdd4c82afb4bf4b2e47b1ecf0305eacf6ef90f7b107c1ba796e6d33
