[INFO] cloning repository https://github.com/timcharper/neural-net
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timcharper/neural-net" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimcharper%2Fneural-net", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimcharper%2Fneural-net'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 868a59ea3dcf51905b8e29c874010ad053c618ed
[INFO] testing timcharper/neural-net against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimcharper%2Fneural-net" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/timcharper/neural-net
[INFO] finished tweaking git repo https://github.com/timcharper/neural-net
[INFO] tweaked toml for git repo https://github.com/timcharper/neural-net written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/timcharper/neural-net on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/timcharper/neural-net 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55a65f525e3b3939e60fe139701a9b132de739eb95dcc25b0f370027b3534d91
[INFO] running `Command { std: "docker" "start" "-a" "55a65f525e3b3939e60fe139701a9b132de739eb95dcc25b0f370027b3534d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55a65f525e3b3939e60fe139701a9b132de739eb95dcc25b0f370027b3534d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a65f525e3b3939e60fe139701a9b132de739eb95dcc25b0f370027b3534d91", kill_on_drop: false }`
[INFO] [stdout] 55a65f525e3b3939e60fe139701a9b132de739eb95dcc25b0f370027b3534d91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2b81b43d7213e70573d051efa031f45899935ba1b5093598ca294f619d0e2b1
[INFO] running `Command { std: "docker" "start" "-a" "b2b81b43d7213e70573d051efa031f45899935ba1b5093598ca294f619d0e2b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling version-compare v0.2.0
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling bitflags v2.9.3
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling gio v0.21.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling unit-prefix v0.5.1
[INFO] [stderr]    Compiling mnist v0.6.0
[INFO] [stderr]    Compiling cfg-expr v0.20.2
[INFO] [stderr]    Compiling clap_builder v4.5.46
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling console v0.16.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling indicatif v0.18.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_derive v4.5.45
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling system-deps v7.0.5
[INFO] [stderr]    Compiling glib-macros v0.21.0
[INFO] [stderr]    Compiling gtk4-macros v0.10.0
[INFO] [stderr]    Compiling glib-sys v0.21.1
[INFO] [stderr]    Compiling gobject-sys v0.21.1
[INFO] [stderr]    Compiling gio-sys v0.21.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.21.1
[INFO] [stderr]    Compiling pango-sys v0.21.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.21.1
[INFO] [stderr]    Compiling gdk4-sys v0.10.0
[INFO] [stderr]    Compiling graphene-sys v0.21.1
[INFO] [stderr]    Compiling gsk4-sys v0.10.0
[INFO] [stderr]    Compiling gtk4-sys v0.10.0
[INFO] [stderr]    Compiling clap v4.5.46
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling glib v0.21.1
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling safetensors v0.6.2
[INFO] [stderr]    Compiling ndarray-rand v0.15.0
[INFO] [stderr]    Compiling cairo-rs v0.21.1
[INFO] [stderr]    Compiling graphene-rs v0.21.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.21.1
[INFO] [stderr]    Compiling pango v0.21.1
[INFO] [stderr]    Compiling gdk4 v0.10.0
[INFO] [stderr]    Compiling gsk4 v0.10.0
[INFO] [stderr]    Compiling gtk4 v0.10.0
[INFO] [stderr]    Compiling neural-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `gtk4` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name gtk4 --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gtk4-0.10.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="v4_10"' --cfg 'feature="v4_12"' --cfg 'feature="v4_14"' --cfg 'feature="v4_2"' --cfg 'feature="v4_4"' --cfg 'feature="v4_6"' --cfg 'feature="v4_8"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("blueprint", "gio_v2_80", "gnome_42", "gnome_43", "gnome_44", "gnome_45", "gnome_46", "gnome_47", "gnome_48", "unsafe-assume-initialized", "v4_10", "v4_12", "v4_14", "v4_16", "v4_18", "v4_2", "v4_20", "v4_4", "v4_6", "v4_8", "xml_validation"))' -C metadata=d849c7ab39552135 -C extra-filename=-e2f4220fd7ad1000 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cairo=/opt/rustwide/target/debug/deps/libcairo-bb1709c71715c184.rmeta --extern field_offset=/opt/rustwide/target/debug/deps/libfield_offset-a2faa88873d5d78a.rmeta --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-bb46e32545ab01b0.rmeta --extern gdk_pixbuf=/opt/rustwide/target/debug/deps/libgdk_pixbuf-b71d099a133c6e1c.rmeta --extern gdk=/opt/rustwide/target/debug/deps/libgdk4-56fdd801af81b64b.rmeta --extern gio=/opt/rustwide/target/debug/deps/libgio-823ef20eae82117f.rmeta --extern glib=/opt/rustwide/target/debug/deps/libglib-6a1342c02fb717ab.rmeta --extern graphene=/opt/rustwide/target/debug/deps/libgraphene-6c274a3cb9d5e4cb.rmeta --extern gsk=/opt/rustwide/target/debug/deps/libgsk4-0d79f067483cf167.rmeta --extern gtk4_macros=/opt/rustwide/target/debug/deps/libgtk4_macros-c93464dd98896381.so --extern gtk4_sys=/opt/rustwide/target/debug/deps/libgtk4_sys-45877102c9d0d895.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-902acea8216992a8.rmeta --extern pango=/opt/rustwide/target/debug/deps/libpango-2e20ace0b4cfb0d5.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b2b81b43d7213e70573d051efa031f45899935ba1b5093598ca294f619d0e2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b81b43d7213e70573d051efa031f45899935ba1b5093598ca294f619d0e2b1", kill_on_drop: false }`
[INFO] [stdout] b2b81b43d7213e70573d051efa031f45899935ba1b5093598ca294f619d0e2b1
