[INFO] fetching crate mech-gui 0.1.0...
[INFO] checking mech-gui-0.1.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate mech-gui 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mech-gui 0.1.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mech-gui 0.1.0
[INFO] finished tweaking crates.io crate mech-gui 0.1.0
[INFO] tweaked toml for crates.io crate mech-gui 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 286 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
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[INFO] [stderr]       Adding core-graphics v0.19.2 (latest: v0.23.2)
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[INFO] [stderr]       Adding darling v0.13.4 (latest: v0.20.8)
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[INFO] [stderr]       Adding digest v0.8.1 (latest: v0.10.7)
[INFO] [stderr]       Adding eframe v0.18.0 (latest: v0.27.2)
[INFO] [stderr]       Adding egui v0.18.1 (latest: v0.27.2)
[INFO] [stderr]       Adding egui-winit v0.18.0 (latest: v0.27.2)
[INFO] [stderr]       Adding egui_glow v0.18.1 (latest: v0.27.2)
[INFO] [stderr]       Adding emath v0.18.0 (latest: v0.27.2)
[INFO] [stderr]       Adding epaint v0.18.1 (latest: v0.27.2)
[INFO] [stderr]       Adding error-code v2.3.1 (latest: v3.2.0)
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[INFO] [stderr]       Adding glutin v0.28.0 (latest: v0.31.3)
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[INFO] [stderr]       Adding mime v0.2.6 (latest: v0.3.17)
[INFO] [stderr]       Adding ndk v0.5.0 (latest: v0.9.0)
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[INFO] [stderr]       Adding opaque-debug v0.2.3 (latest: v0.3.1)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.2)
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[INFO] [stderr]       Adding percent-encoding v1.0.1 (latest: v2.3.1)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.1.0)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
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[INFO] [stderr]       Adding str-buf v1.0.6 (latest: v3.0.3)
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[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
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[INFO] [stderr]       Adding unicase v1.4.2 (latest: v2.7.0)
[INFO] [stderr]       Adding url v1.7.2 (latest: v2.5.0)
[INFO] [stderr]       Adding version_check v0.1.5 (latest: v0.9.4)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wayland-client v0.29.5 (latest: v0.31.2)
[INFO] [stderr]       Adding wayland-cursor v0.29.5 (latest: v0.31.1)
[INFO] [stderr]       Adding wayland-egl v0.29.5 (latest: v0.32.0)
[INFO] [stderr]       Adding wayland-protocols v0.29.5 (latest: v0.31.2)
[INFO] [stderr]       Adding wayland-scanner v0.29.5 (latest: v0.31.1)
[INFO] [stderr]       Adding wayland-sys v0.29.5 (latest: v0.31.1)
[INFO] [stderr]       Adding webbrowser v0.7.1 (latest: v1.0.0)
[INFO] [stderr]       Adding websocket v0.26.5 (latest: v0.27.1)
[INFO] [stderr]       Adding widestring v0.5.1 (latest: v1.1.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding winit v0.26.1 (latest: v0.30.0)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.7)
[INFO] [stderr]       Adding x11rb v0.9.0 (latest: v0.13.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded websocket-base v0.26.5
[INFO] [stderr]   Downloaded mech-utilities v0.1.0
[INFO] [stderr]   Downloaded tracing-wasm v0.2.1
[INFO] [stderr]   Downloaded websocket v0.26.5
[INFO] [stderr]   Downloaded winres v0.1.12
[INFO] [stderr]   Downloaded hyper v0.10.16
[INFO] [stderr]   Downloaded zerocopy v0.7.32
[INFO] [stderr]   Downloaded memmap2 v0.3.1
[INFO] [stderr]   Downloaded core-graphics-types v0.1.3
[INFO] [stderr]   Downloaded ndk-macro v0.3.0
[INFO] [stderr]   Downloaded ndk-glue v0.5.2
[INFO] [stderr]   Downloaded cty v0.2.2
[INFO] [stderr]   Downloaded downcast-rs v1.2.1
[INFO] [stderr]   Downloaded wayland-scanner v0.29.5
[INFO] [stderr]   Downloaded egui-winit v0.18.0
[INFO] [stderr]   Downloaded core-graphics v0.22.3
[INFO] [stderr]   Downloaded core-foundation-sys v0.7.0
[INFO] [stderr]   Downloaded cgl v0.3.2
[INFO] [stderr]   Downloaded objc_id v0.1.1
[INFO] [stderr]   Downloaded objc-foundation v0.1.1
[INFO] [stderr]   Downloaded wayland-protocols v0.29.5
[INFO] [stderr]   Downloaded arboard v2.1.1
[INFO] [stderr]   Downloaded ndk-sys v0.3.0
[INFO] [stderr]   Downloaded khronos_api v3.1.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.3.1
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[INFO] [stderr]   Downloaded epaint v0.18.1
[INFO] [stderr]   Downloaded ttf-parser v0.20.0
[INFO] [stderr]   Downloaded owned_ttf_parser v0.20.0
[INFO] [stderr]   Downloaded egui v0.18.1
[INFO] [stderr]   Downloaded glow v0.11.2
[INFO] [stderr]   Downloaded nix v0.22.3
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[INFO] [stderr]   Downloaded ab_glyph v0.2.25
[INFO] [stderr]   Downloaded atomic_refcell v0.1.13
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[INFO] [stderr]   Downloaded cocoa v0.24.1
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[INFO] [stderr]   Downloaded egui_glow v0.18.1
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[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.8
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[INFO] [stderr]   Downloaded glutin v0.28.0
[INFO] [stderr]   Downloaded core-foundation v0.7.0
[INFO] [stderr]   Downloaded core-video-sys v0.1.4
[INFO] [stderr]   Downloaded ndk-context v0.1.1
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.6
[INFO] [stderr]   Downloaded glutin_emscripten_sys v0.1.1
[INFO] [stderr]   Downloaded glutin_gles2_sys v0.1.5
[INFO] [stderr]   Downloaded ndk v0.5.0
[INFO] [stderr]   Downloaded raw-window-handle v0.4.3
[INFO] [stderr]   Downloaded calloop v0.9.3
[INFO] [stderr]   Downloaded xml-rs v0.8.20
[INFO] [stderr]   Downloaded eframe v0.18.0
[INFO] [stderr]   Downloaded android_glue v0.2.3
[INFO] [stderr]   Downloaded wayland-egl v0.29.5
[INFO] [stderr]   Downloaded block v0.1.6
[INFO] [stderr]   Downloaded cocoa-foundation v0.1.2
[INFO] [stderr]   Downloaded dispatch v0.2.0
[INFO] [stderr]   Downloaded image v0.24.9
[INFO] [stderr]   Downloaded wayland-client v0.29.5
[INFO] [stderr]   Downloaded dlib v0.5.2
[INFO] [stderr]   Downloaded wayland-commons v0.29.5
[INFO] [stderr]   Downloaded colored v2.1.0
[INFO] [stderr]   Downloaded zerocopy-derive v0.7.32
[INFO] [stderr]   Downloaded mech-core v0.1.0
[INFO] [stderr]   Downloaded base64 v0.9.3
[INFO] [stderr]   Downloaded fdeflate v0.3.4
[INFO] [stderr]   Downloaded nom-unicode v0.3.0
[INFO] [stderr]   Downloaded mech-syntax v0.1.0
[INFO] [stderr]   Downloaded ahash v0.8.11
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded xcursor v0.3.5
[INFO] [stderr]   Downloaded wayland-cursor v0.29.5
[INFO] [stderr]   Downloaded wayland-sys v0.29.5
[INFO] [stderr]   Downloaded language-tags v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b0f9744513fb553c8a70e8fc55b1f7f4ffa6f2e8173abc0fd22c15d96e24e7b
[INFO] running `Command { std: "docker" "start" "-a" "6b0f9744513fb553c8a70e8fc55b1f7f4ffa6f2e8173abc0fd22c15d96e24e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b0f9744513fb553c8a70e8fc55b1f7f4ffa6f2e8173abc0fd22c15d96e24e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b0f9744513fb553c8a70e8fc55b1f7f4ffa6f2e8173abc0fd22c15d96e24e7b", kill_on_drop: false }`
[INFO] [stdout] 6b0f9744513fb553c8a70e8fc55b1f7f4ffa6f2e8173abc0fd22c15d96e24e7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce84d087be93b4f33c2530c145c0f9b1cef57f356488b46269b923e7b3552d0c
[INFO] running `Command { std: "docker" "start" "-a" "ce84d087be93b4f33c2530c145c0f9b1cef57f356488b46269b923e7b3552d0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling xml-rs v0.8.20
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.4
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking byte-tools v0.3.1
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[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling unicase v1.4.2
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[INFO] [stderr]     Checking websocket-base v0.26.5
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[INFO] [stderr]    Compiling bytemuck_derive v1.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling serde_derive v1.0.200
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[INFO] [stderr]     Checking thiserror v1.0.59
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[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking epaint v0.18.1
[INFO] [stderr]     Checking egui v0.18.1
[INFO] [stderr]     Checking mech-core v0.1.0
[INFO] [stderr]     Checking arboard v2.1.1
[INFO] [stderr]     Checking egui_glow v0.18.1
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mech-core-0.1.0/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<std::rc::Rc<std::cell::RefCell<block::Block>>>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mech-core-0.1.0/src/schedule.rs:41:63
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let ready_blocks: Vec<BlockRef> = self.unscheduled_blocks.drain_filter(|b| b.borrow().state == BlockState::Ready).collect();
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^ method not found in `Vec<Rc<RefCell<Block>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mech-core` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ce84d087be93b4f33c2530c145c0f9b1cef57f356488b46269b923e7b3552d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce84d087be93b4f33c2530c145c0f9b1cef57f356488b46269b923e7b3552d0c", kill_on_drop: false }`
[INFO] [stdout] ce84d087be93b4f33c2530c145c0f9b1cef57f356488b46269b923e7b3552d0c
[INFO] checking mech-gui-0.1.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate mech-gui 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate mech-gui 0.1.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mech-gui 0.1.0
[INFO] finished tweaking crates.io crate mech-gui 0.1.0
[INFO] tweaked toml for crates.io crate mech-gui 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 286 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding arboard v2.1.1 (latest: v3.4.0)
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.2.0)
[INFO] [stderr]       Adding base64 v0.9.3 (latest: v0.22.1)
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[INFO] [stderr]       Adding calloop v0.9.3 (latest: v0.13.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding clipboard-win v4.5.0 (latest: v5.3.1)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding cocoa v0.24.1 (latest: v0.25.0)
[INFO] [stderr]       Adding core-foundation v0.7.0 (latest: v0.9.4)
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[INFO] [stderr]       Adding core-graphics v0.19.2 (latest: v0.23.2)
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[INFO] [stderr]       Adding darling v0.13.4 (latest: v0.20.8)
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[INFO] [stderr]       Adding digest v0.8.1 (latest: v0.10.7)
[INFO] [stderr]       Adding eframe v0.18.0 (latest: v0.27.2)
[INFO] [stderr]       Adding egui v0.18.1 (latest: v0.27.2)
[INFO] [stderr]       Adding egui-winit v0.18.0 (latest: v0.27.2)
[INFO] [stderr]       Adding egui_glow v0.18.1 (latest: v0.27.2)
[INFO] [stderr]       Adding emath v0.18.0 (latest: v0.27.2)
[INFO] [stderr]       Adding epaint v0.18.1 (latest: v0.27.2)
[INFO] [stderr]       Adding error-code v2.3.1 (latest: v3.2.0)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding generic-array v0.12.4 (latest: v1.0.0)
[INFO] [stderr]       Adding gethostname v0.2.3 (latest: v0.4.3)
[INFO] [stderr]       Adding glow v0.11.2 (latest: v0.13.1)
[INFO] [stderr]       Adding glutin v0.28.0 (latest: v0.31.3)
[INFO] [stderr]       Adding glutin_egl_sys v0.1.6 (latest: v0.6.0)
[INFO] [stderr]       Adding glutin_gles2_sys v0.1.5 (latest: v0.5.0)
[INFO] [stderr]       Adding glutin_glx_sys v0.1.8 (latest: v0.5.0)
[INFO] [stderr]       Adding glutin_wgl_sys v0.1.5 (latest: v0.5.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
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[INFO] [stderr]       Adding hyper v0.10.16 (latest: v1.3.1)
[INFO] [stderr]       Adding idna v0.1.5 (latest: v0.5.0)
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[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding jni v0.19.0 (latest: v0.21.1)
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[INFO] [stderr]       Adding language-tags v0.2.2 (latest: v0.3.2)
[INFO] [stderr]       Adding libloading v0.7.4 (latest: v0.8.3)
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[INFO] [stderr]       Adding malloc_buf v0.0.6 (latest: v1.0.0)
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[INFO] [stderr]       Adding memoffset v0.6.5 (latest: v0.9.1)
[INFO] [stderr]       Adding mime v0.2.6 (latest: v0.3.17)
[INFO] [stderr]       Adding ndk v0.5.0 (latest: v0.9.0)
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[INFO] [stderr]       Adding ndk-glue v0.5.2 (latest: v0.7.0)
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[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding num_enum v0.5.11 (latest: v0.7.2)
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[INFO] [stderr]       Adding opaque-debug v0.2.3 (latest: v0.3.1)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.2)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.10)
[INFO] [stderr]       Adding percent-encoding v1.0.1 (latest: v2.3.1)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.1.0)
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[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
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[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding raw-window-handle v0.4.3 (latest: v0.6.1)
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[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
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[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
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[INFO] [stderr]       Adding unicase v1.4.2 (latest: v2.7.0)
[INFO] [stderr]       Adding url v1.7.2 (latest: v2.5.0)
[INFO] [stderr]       Adding version_check v0.1.5 (latest: v0.9.4)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
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[INFO] [stderr]       Adding wayland-client v0.29.5 (latest: v0.31.2)
[INFO] [stderr]       Adding wayland-cursor v0.29.5 (latest: v0.31.1)
[INFO] [stderr]       Adding wayland-egl v0.29.5 (latest: v0.32.0)
[INFO] [stderr]       Adding wayland-protocols v0.29.5 (latest: v0.31.2)
[INFO] [stderr]       Adding wayland-scanner v0.29.5 (latest: v0.31.1)
[INFO] [stderr]       Adding wayland-sys v0.29.5 (latest: v0.31.1)
[INFO] [stderr]       Adding webbrowser v0.7.1 (latest: v1.0.0)
[INFO] [stderr]       Adding websocket v0.26.5 (latest: v0.27.1)
[INFO] [stderr]       Adding widestring v0.5.1 (latest: v1.1.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding winit v0.26.1 (latest: v0.30.0)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.7)
[INFO] [stderr]       Adding x11rb v0.9.0 (latest: v0.13.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b738294d6537c73263e0b310eaa2ff7ba7899852bfd73f237d7324387ff5e588
[INFO] running `Command { std: "docker" "start" "-a" "b738294d6537c73263e0b310eaa2ff7ba7899852bfd73f237d7324387ff5e588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b738294d6537c73263e0b310eaa2ff7ba7899852bfd73f237d7324387ff5e588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b738294d6537c73263e0b310eaa2ff7ba7899852bfd73f237d7324387ff5e588", kill_on_drop: false }`
[INFO] [stdout] b738294d6537c73263e0b310eaa2ff7ba7899852bfd73f237d7324387ff5e588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9599f99320f70f830df01438a472eb6d09842f4c421de44f55e30fa802dcd04b
[INFO] running `Command { std: "docker" "start" "-a" "9599f99320f70f830df01438a472eb6d09842f4c421de44f55e30fa802dcd04b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling xml-rs v0.8.20
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.4
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]     Checking xcursor v0.3.5
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.8
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
[INFO] [stderr]     Checking webbrowser v0.7.1
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]     Checking glow v0.11.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking owned_ttf_parser v0.20.0
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking ab_glyph v0.2.25
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking websocket-base v0.26.5
[INFO] [stderr]     Checking nom-unicode v0.3.0
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking websocket v0.26.5
[INFO] [stderr]     Checking calloop v0.9.3
[INFO] [stderr]     Checking x11rb v0.9.0
[INFO] [stderr]    Compiling bytemuck_derive v1.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking wayland-egl v0.29.5
[INFO] [stderr]     Checking thiserror v1.0.59
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking emath v0.18.0
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking epaint v0.18.1
[INFO] [stderr]     Checking egui v0.18.1
[INFO] [stderr]     Checking mech-core v0.1.0
[INFO] [stderr]     Checking arboard v2.1.1
[INFO] [stderr]     Checking egui_glow v0.18.1
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mech-core-0.1.0/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<std::rc::Rc<std::cell::RefCell<block::Block>>>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mech-core-0.1.0/src/schedule.rs:41:63
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let ready_blocks: Vec<BlockRef> = self.unscheduled_blocks.drain_filter(|b| b.borrow().state == BlockState::Ready).collect();
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^ method not found in `Vec<Rc<RefCell<Block>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mech-core` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9599f99320f70f830df01438a472eb6d09842f4c421de44f55e30fa802dcd04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9599f99320f70f830df01438a472eb6d09842f4c421de44f55e30fa802dcd04b", kill_on_drop: false }`
[INFO] [stdout] 9599f99320f70f830df01438a472eb6d09842f4c421de44f55e30fa802dcd04b
