[INFO] cloning repository https://github.com/Kneelawk/fractal-viewer-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kneelawk/fractal-viewer-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Ffractal-viewer-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Ffractal-viewer-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 506c9ffbe6bc94bd1c1d5f8c580f1a544a65db1a
[INFO] documenting Kneelawk/fractal-viewer-rs against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Ffractal-viewer-rs" "/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/Kneelawk/fractal-viewer-rs 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] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Kneelawk/fractal-viewer-rs
[INFO] finished tweaking git repo https://github.com/Kneelawk/fractal-viewer-rs
[INFO] tweaked toml for git repo https://github.com/Kneelawk/fractal-viewer-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kneelawk/fractal-viewer-rs 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 git repository `https://github.com/Kneelawk/mtpng.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded egui_wgpu_backend v0.27.0
[INFO] [stderr]   Downloaded khronos-egl v6.0.0
[INFO] [stderr]   Downloaded glow v0.13.0
[INFO] [stderr]   Downloaded wgpu v0.18.0
[INFO] [stderr]   Downloaded wgpu-types v0.18.0
[INFO] [stderr]   Downloaded wgpu-core v0.18.1
[INFO] [stderr]   Downloaded wgpu-hal v0.18.0
[INFO] [stderr]   Downloaded naga v0.14.1
[INFO] [stderr]   Downloaded metal v0.27.0
[INFO] [stderr]   Downloaded egui_winit_platform v0.20.0
[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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b6c3dc0f0ec9be18f07f2dcce24f4a7c964414643b69f878531be64c87ca3ba
[INFO] running `Command { std: "docker" "start" "-a" "5b6c3dc0f0ec9be18f07f2dcce24f4a7c964414643b69f878531be64c87ca3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b6c3dc0f0ec9be18f07f2dcce24f4a7c964414643b69f878531be64c87ca3ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b6c3dc0f0ec9be18f07f2dcce24f4a7c964414643b69f878531be64c87ca3ba", kill_on_drop: false }`
[INFO] [stdout] 5b6c3dc0f0ec9be18f07f2dcce24f4a7c964414643b69f878531be64c87ca3ba
[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=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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb747547480cc2c5fbbedd7345775ceee24287130b849338bfde93bd89878aa0
[INFO] running `Command { std: "docker" "start" "-a" "cb747547480cc2c5fbbedd7345775ceee24287130b849338bfde93bd89878aa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling target-lexicon v0.12.12
[INFO] [stderr]    Compiling winnow v0.5.19
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking libloading v0.8.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]     Checking zerocopy v0.7.26
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling cfg-expr v0.15.5
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking owned_ttf_parser v0.20.0
[INFO] [stderr]     Checking ab_glyph v0.2.23
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling ash v0.37.3+1.3.251
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking fdeflate v0.3.1
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling serde_spanned v0.6.4
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling toml_edit v0.21.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking deranged v0.3.9
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking glow v0.13.0
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking renderdoc-sys v1.0.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking profiling v1.0.11
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking x11rb-protocol v0.10.0
[INFO] [stderr]    Compiling winit v0.28.7
[INFO] [stderr]    Compiling toml v0.8.8
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking anymap2 v0.13.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling system-deps v6.2.0
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking destructure_traitobject v0.2.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking unsafe-any-ors v1.0.0
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling rfd v0.12.1
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking typemap-ors v1.0.0
[INFO] [stderr]    Compiling include_dir_macros v0.7.3
[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/include_dir_macros-0.7.3/src/lib.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(feature = "nightly", feature(track_path, proc_macro_tracked_env))]
[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/include_dir_macros-0.7.3/src/lib.rs:4:54
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(feature = "nightly", feature(track_path, proc_macro_tracked_env))]
[INFO] [stdout]   |                                                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ash` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name ash --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ash-0.37.3+1.3.251/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --cfg 'feature="debug"' --cfg 'feature="default"' --cfg 'feature="libloading"' --cfg 'feature="loaded"' -C metadata=48d6e2b5c8877329 -C extra-filename=-48d6e2b5c8877329 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-a566ac0672d8b853.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 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 `include_dir_macros` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "cb747547480cc2c5fbbedd7345775ceee24287130b849338bfde93bd89878aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb747547480cc2c5fbbedd7345775ceee24287130b849338bfde93bd89878aa0", kill_on_drop: false }`
[INFO] [stdout] cb747547480cc2c5fbbedd7345775ceee24287130b849338bfde93bd89878aa0
