[INFO] fetching crate pn-editor-core 0.9.0...
[INFO] checking pn-editor-core-0.9.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate pn-editor-core 0.9.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate pn-editor-core 0.9.0 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 crates.io crate pn-editor-core 0.9.0
[INFO] finished tweaking crates.io crate pn-editor-core 0.9.0
[INFO] tweaked toml for crates.io crate pn-editor-core 0.9.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 158 packages
[INFO] [stderr]       Adding async-io v1.13.0 (latest: v2.3.2)
[INFO] [stderr]       Adding async-lock v2.8.0 (latest: v3.3.0)
[INFO] [stderr]       Adding atk-sys v0.16.0 (latest: v0.18.0)
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[INFO] [stderr]       Adding cairo-sys-rs v0.16.3 (latest: v0.19.2)
[INFO] [stderr]       Adding clipboard-win v3.1.1 (latest: v5.3.0)
[INFO] [stderr]       Adding copypasta v0.8.2 (latest: v0.10.1)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.3.0)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.0.2)
[INFO] [stderr]       Adding futures-lite v1.13.0 (latest: v2.3.0)
[INFO] [stderr]       Adding gdk-pixbuf-sys v0.16.3 (latest: v0.19.0)
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[INFO] [stderr]       Adding gio-sys v0.16.3 (latest: v0.19.0)
[INFO] [stderr]       Adding glib-sys v0.16.3 (latest: v0.19.0)
[INFO] [stderr]       Adding gobject-sys v0.16.3 (latest: v0.19.0)
[INFO] [stderr]       Adding gtk-sys v0.16.0 (latest: v0.18.0)
[INFO] [stderr]       Adding io-lifetimes v1.0.11 (latest: v2.0.3)
[INFO] [stderr]       Adding lazy-bytes-cast v5.0.1 (latest: v7.0.0)
[INFO] [stderr]       Adding linux-raw-sys v0.3.8 (latest: v0.6.4)
[INFO] [stderr]       Adding malloc_buf v0.0.6 (latest: v1.0.0)
[INFO] [stderr]       Adding memmap2 v0.5.10 (latest: v0.9.4)
[INFO] [stderr]       Adding memoffset v0.6.5 (latest: v0.9.1)
[INFO] [stderr]       Adding nix v0.24.3 (latest: v0.28.0)
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[INFO] [stderr]       Adding polling v2.8.0 (latest: v3.6.0)
[INFO] [stderr]       Adding raw-window-handle v0.5.2 (latest: v0.6.0)
[INFO] [stderr]       Adding rfd v0.11.4 (latest: v0.14.1)
[INFO] [stderr]       Adding rustix v0.37.27 (latest: v0.38.32)
[INFO] [stderr]       Adding smithay-client-toolkit v0.16.1 (latest: v0.18.1)
[INFO] [stderr]       Adding smithay-clipboard v0.6.6 (latest: v0.7.1)
[INFO] [stderr]       Adding socket2 v0.4.10 (latest: v0.5.6)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wayland-client v0.29.5 (latest: v0.31.2)
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[INFO] [stderr]       Adding wayland-protocols v0.29.5 (latest: v0.31.2)
[INFO] [stderr]       Adding wayland-scanner v0.29.5 (latest: v0.31.1)
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[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.42.2 (latest: v0.52.4)
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[INFO] [stderr]       Adding windows_aarch64_msvc v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding x11-clipboard v0.7.1 (latest: v0.9.2)
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[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]  Downloading crates ...
[INFO] [stderr]   Downloaded data-stream v0.2.0
[INFO] [stderr]   Downloaded header-parsing v0.1.0
[INFO] [stderr]   Downloaded single-whitespace-text-editing v0.1.0
[INFO] [stderr]   Downloaded text-editing v0.1.3
[INFO] [stderr]   Downloaded copypasta v0.8.2
[INFO] [stderr]   Downloaded gapp v0.1.0
[INFO] [stderr]   Downloaded pns v0.14.0
[INFO] [stderr]   Downloaded x11-clipboard v0.7.1
[INFO] [stderr]   Downloaded clipboard-win v3.1.1
[INFO] [stderr]   Downloaded lazy-bytes-cast v5.0.1
[INFO] [stderr]   Downloaded x11rb v0.10.1
[INFO] [stderr]   Downloaded x11rb-protocol v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 783fd3f072385f9cab4dc178cce474efaa40a572e7f6b47c382a841b746f88c1
[INFO] running `Command { std: "docker" "start" "-a" "783fd3f072385f9cab4dc178cce474efaa40a572e7f6b47c382a841b746f88c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "783fd3f072385f9cab4dc178cce474efaa40a572e7f6b47c382a841b746f88c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783fd3f072385f9cab4dc178cce474efaa40a572e7f6b47c382a841b746f88c1", kill_on_drop: false }`
[INFO] [stdout] 783fd3f072385f9cab4dc178cce474efaa40a572e7f6b47c382a841b746f88c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 01af2f6d0f4119264009a0fc2b3818f3a3bcea641bb75d559c7cbfb868679351
[INFO] running `Command { std: "docker" "start" "-a" "01af2f6d0f4119264009a0fc2b3818f3a3bcea641bb75d559c7cbfb868679351", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling winnow v0.6.5
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling version-compare v0.2.0
[INFO] [stderr]    Compiling xml-rs v0.8.20
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking libloading v0.8.3
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking xcursor v0.3.5
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling pns v0.14.0
[INFO] [stderr]    Compiling rfd v0.11.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking wide v0.7.15
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[INFO] [stderr]     Checking text-editing v0.1.3
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[INFO] [stderr]     Checking header-parsing v0.1.0
[INFO] [stderr]    Compiling cfg-expr v0.15.7
[INFO] [stderr]     Checking single-whitespace-text-editing v0.1.0
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking simba v0.8.1
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[INFO] [stderr]    Compiling system-deps v6.2.2
[INFO] [stderr]    Compiling glib-sys v0.16.3
[INFO] [stderr]    Compiling gobject-sys v0.16.3
[INFO] [stderr]    Compiling gdk-sys v0.16.0
[INFO] [stderr]    Compiling atk-sys v0.16.0
[INFO] [stderr]    Compiling gio-sys v0.16.3
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.16.3
[INFO] [stderr]    Compiling cairo-sys-rs v0.16.3
[INFO] [stderr]    Compiling pango-sys v0.16.3
[INFO] [stderr]    Compiling gtk-sys v0.16.0
[INFO] [stderr]     Checking nalgebra v0.32.5
[INFO] [stderr]     Checking x11rb v0.10.1
[INFO] [stderr]     Checking x11-clipboard v0.7.1
[INFO] [stderr]     Checking smithay-clipboard v0.6.6
[INFO] [stderr]     Checking copypasta v0.8.2
[INFO] [stderr]     Checking pn-editor-core v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ChildCollector` is never used
[INFO] [stdout]   --> src/editor/render.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait ChildCollector {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ChildCollector` is never used
[INFO] [stdout]   --> src/editor/render.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | trait ChildCollector {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.16s
[INFO] running `Command { std: "docker" "inspect" "01af2f6d0f4119264009a0fc2b3818f3a3bcea641bb75d559c7cbfb868679351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01af2f6d0f4119264009a0fc2b3818f3a3bcea641bb75d559c7cbfb868679351", kill_on_drop: false }`
[INFO] [stdout] 01af2f6d0f4119264009a0fc2b3818f3a3bcea641bb75d559c7cbfb868679351