[INFO] fetching crate amdportsd 0.1.0...
[INFO] testing amdportsd-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate amdportsd 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate amdportsd 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amdportsd 0.1.0
[INFO] finished tweaking crates.io crate amdportsd 0.1.0
[INFO] tweaked toml for crates.io crate amdportsd 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate amdportsd 0.1.0 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matchers v0.1.0
[INFO] [stderr]   Downloaded c-gull v0.15.16
[INFO] [stderr]   Downloaded cocoa-foundation v0.1.2
[INFO] [stderr]   Downloaded tracing-log v0.1.4
[INFO] [stderr]   Downloaded egui-winit v0.18.0
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[INFO] [stderr]   Downloaded calloop v0.9.3
[INFO] [stderr]   Downloaded tz-rs v0.6.14
[INFO] [stderr]   Downloaded rustix-openpty v0.1.1
[INFO] [stderr]   Downloaded valuable v0.1.0
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[INFO] [stderr]   Downloaded winnow v0.5.19
[INFO] [stderr]   Downloaded tokio v1.34.0
[INFO] [stderr]   Downloaded libc v0.2.150
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.11
[INFO] [stderr]   Downloaded epaint v0.18.1
[INFO] [stderr]   Downloaded web-sys v0.3.65
[INFO] [stderr]   Downloaded egui v0.18.1
[INFO] [stderr]   Downloaded nix v0.22.3
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[INFO] [stderr]   Downloaded overload v0.1.1
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[INFO] [stderr]   Downloaded eyra v0.16.3
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[INFO] [stderr]   Downloaded proc-macro2 v1.0.69
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.88
[INFO] [stderr]   Downloaded serde v1.0.192
[INFO] [stderr]   Downloaded rustix-futex-sync v0.1.5
[INFO] [stderr]   Downloaded winit v0.26.1
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.15.4
[INFO] [stderr]   Downloaded futures-executor v0.3.29
[INFO] [stderr]   Downloaded mio v0.8.9
[INFO] [stderr]   Downloaded c-scape v0.15.16
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.17
[INFO] [stderr]   Downloaded futures-util v0.3.29
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.4
[INFO] [stderr]   Downloaded ndk-sys v0.2.2
[INFO] [stderr]   Downloaded js-sys v0.3.65
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.88
[INFO] [stderr]   Downloaded origin v0.14.0
[INFO] [stderr]   Downloaded memmap2 v0.3.1
[INFO] [stderr]   Downloaded futures v0.3.29
[INFO] [stderr]   Downloaded cstr_core v0.2.6
[INFO] [stderr]   Downloaded realpath-ext v0.1.3
[INFO] [stderr]   Downloaded ndk v0.5.0
[INFO] [stderr]   Downloaded printf-compat v0.1.1
[INFO] [stderr]   Downloaded errno v0.3.6
[INFO] [stderr]   Downloaded futures-channel v0.3.29
[INFO] [stderr]   Downloaded futures-io v0.3.29
[INFO] [stderr]   Downloaded xcursor v0.3.4
[INFO] [stderr]   Downloaded rustix-dlmalloc v0.1.0
[INFO] [stderr]   Downloaded nu-ansi-term v0.46.0
[INFO] [stderr]   Downloaded futures-core v0.3.29
[INFO] [stderr]   Downloaded hashbrown v0.14.2
[INFO] [stderr]   Downloaded futures-sink v0.3.29
[INFO] [stderr]   Downloaded sharded-slab v0.1.7
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.88
[INFO] [stderr]   Downloaded serde_derive v1.0.192
[INFO] [stderr]   Downloaded futures-macro v0.3.29
[INFO] [stderr]   Downloaded gumdrop v0.8.1
[INFO] [stderr]   Downloaded rustix v0.38.21
[INFO] [stderr]   Downloaded cocoa v0.24.1
[INFO] [stderr]   Downloaded darling_core v0.13.4
[INFO] [stderr]   Downloaded darling_macro v0.13.4
[INFO] [stderr]   Downloaded thiserror v1.0.50
[INFO] [stderr]   Downloaded futures-task v0.3.29
[INFO] [stderr]   Downloaded thiserror-impl v1.0.50
[INFO] [stderr]   Downloaded amdgpu v1.0.12
[INFO] [stderr]   Downloaded gumdrop_derive v0.8.1
[INFO] [stderr]   Downloaded ron v0.7.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.29
[INFO] [stderr]   Downloaded nohash-hasher v0.2.0
[INFO] [stderr]   Downloaded darling v0.13.4
[INFO] [stderr]   Downloaded ndk-glue v0.5.2
[INFO] [stderr]   Downloaded pidlock v0.1.4
[INFO] [stderr]   Downloaded unwinding v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.88
[INFO] [stderr]   Downloaded core-foundation v0.9.3
[INFO] [stderr]   Downloaded syn v2.0.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c3f067264fe999927a748ba1b9500ccce97b085cbdb9e878a7326340514fdb4
[INFO] running `Command { std: "docker" "start" "-a" "9c3f067264fe999927a748ba1b9500ccce97b085cbdb9e878a7326340514fdb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c3f067264fe999927a748ba1b9500ccce97b085cbdb9e878a7326340514fdb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c3f067264fe999927a748ba1b9500ccce97b085cbdb9e878a7326340514fdb4", kill_on_drop: false }`
[INFO] [stdout] 9c3f067264fe999927a748ba1b9500ccce97b085cbdb9e878a7326340514fdb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e6b13e29b5e6ddc37690d4ee7217fad83378c68f8b19edb3127067a2c8a4a4b
[INFO] running `Command { std: "docker" "start" "-a" "9e6b13e29b5e6ddc37690d4ee7217fad83378c68f8b19edb3127067a2c8a4a4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling linux-raw-sys v0.4.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling ttf-parser v0.20.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr]    Compiling owned_ttf_parser v0.20.0
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.4
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling gimli v0.28.0
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix-dlmalloc v0.1.0
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling rustix-futex-sync v0.1.5
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling unwinding v0.2.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unwinding-0.2.1/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(c_unwind)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unwinding-0.2.1/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(naked_functions)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unwinding-0.2.1/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(non_exhaustive_omitted_patterns_lint)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unwinding` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9e6b13e29b5e6ddc37690d4ee7217fad83378c68f8b19edb3127067a2c8a4a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e6b13e29b5e6ddc37690d4ee7217fad83378c68f8b19edb3127067a2c8a4a4b", kill_on_drop: false }`
[INFO] [stdout] 9e6b13e29b5e6ddc37690d4ee7217fad83378c68f8b19edb3127067a2c8a4a4b
[INFO] testing amdportsd-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate amdportsd 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate amdportsd 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amdportsd 0.1.0
[INFO] finished tweaking crates.io crate amdportsd 0.1.0
[INFO] tweaked toml for crates.io crate amdportsd 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate amdportsd 0.1.0 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 695753ade50b521b67f4d4b34a682801eb13c92de5effd88e688270f55e0afdd
[INFO] running `Command { std: "docker" "start" "-a" "695753ade50b521b67f4d4b34a682801eb13c92de5effd88e688270f55e0afdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "695753ade50b521b67f4d4b34a682801eb13c92de5effd88e688270f55e0afdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695753ade50b521b67f4d4b34a682801eb13c92de5effd88e688270f55e0afdd", kill_on_drop: false }`
[INFO] [stdout] 695753ade50b521b67f4d4b34a682801eb13c92de5effd88e688270f55e0afdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d55d5d7315586153bb230b3b00b2dce13dbfa6085924a504aeb182f21ff419ef
[INFO] running `Command { std: "docker" "start" "-a" "d55d5d7315586153bb230b3b00b2dce13dbfa6085924a504aeb182f21ff419ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling linux-raw-sys v0.4.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling ttf-parser v0.20.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.4
[INFO] [stderr]    Compiling owned_ttf_parser v0.20.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling gimli v0.28.0
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling rustix-dlmalloc v0.1.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ab_glyph v0.2.23
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling unwinding v0.2.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unwinding-0.2.1/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(c_unwind)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unwinding-0.2.1/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(naked_functions)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/unwinding-0.2.1/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(non_exhaustive_omitted_patterns_lint)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unwinding` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d55d5d7315586153bb230b3b00b2dce13dbfa6085924a504aeb182f21ff419ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55d5d7315586153bb230b3b00b2dce13dbfa6085924a504aeb182f21ff419ef", kill_on_drop: false }`
[INFO] [stdout] d55d5d7315586153bb230b3b00b2dce13dbfa6085924a504aeb182f21ff419ef
