[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-2025-09-21 for beta-1.91-2
[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-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11367433d949404b7e309be15a10ee187d514e73f9db59155ac940ef38b4918a
[INFO] running `Command { std: "docker" "start" "-a" "11367433d949404b7e309be15a10ee187d514e73f9db59155ac940ef38b4918a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11367433d949404b7e309be15a10ee187d514e73f9db59155ac940ef38b4918a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11367433d949404b7e309be15a10ee187d514e73f9db59155ac940ef38b4918a", kill_on_drop: false }`
[INFO] [stdout] 11367433d949404b7e309be15a10ee187d514e73f9db59155ac940ef38b4918a
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01e1dab5d97f314eed4c11a9e2734580a841a53f88cbb14e41691d3bb01cc9c5
[INFO] running `Command { std: "docker" "start" "-a" "01e1dab5d97f314eed4c11a9e2734580a841a53f88cbb14e41691d3bb01cc9c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling equivalent v1.0.2
[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 futures-core v0.3.31
[INFO] [stderr]    Compiling bitflags v2.9.3
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling gio v0.21.1
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling unit-prefix v0.5.1
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling mnist v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling console v0.16.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling cfg-expr v0.20.2
[INFO] [stderr]    Compiling clap_builder v4.5.46
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]    Compiling indicatif v0.18.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[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 toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling clap v4.5.46
[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 futures-executor v0.3.31
[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 cairo-sys-rs v0.21.1
[INFO] [stderr]    Compiling pango-sys v0.21.1
[INFO] [stderr]    Compiling graphene-sys v0.21.1
[INFO] [stderr]    Compiling gdk4-sys v0.10.0
[INFO] [stderr]    Compiling gsk4-sys v0.10.0
[INFO] [stderr]    Compiling gtk4-sys v0.10.0
[INFO] [stderr]    Compiling glib v0.21.1
[INFO] [stderr]    Compiling serde_json v1.0.143
[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 pango v0.21.1
[INFO] [stderr]    Compiling gdk-pixbuf 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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 05s
[INFO] running `Command { std: "docker" "inspect" "01e1dab5d97f314eed4c11a9e2734580a841a53f88cbb14e41691d3bb01cc9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01e1dab5d97f314eed4c11a9e2734580a841a53f88cbb14e41691d3bb01cc9c5", kill_on_drop: false }`
[INFO] [stdout] 01e1dab5d97f314eed4c11a9e2734580a841a53f88cbb14e41691d3bb01cc9c5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cf30f396df84ae67622e742d0720ff250712f2e821ee1961475537a9d94b0d3
[INFO] running `Command { std: "docker" "start" "-a" "0cf30f396df84ae67622e742d0720ff250712f2e821ee1961475537a9d94b0d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling neural-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "0cf30f396df84ae67622e742d0720ff250712f2e821ee1961475537a9d94b0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf30f396df84ae67622e742d0720ff250712f2e821ee1961475537a9d94b0d3", kill_on_drop: false }`
[INFO] [stdout] 0cf30f396df84ae67622e742d0720ff250712f2e821ee1961475537a9d94b0d3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 865021d5ec216b2a760b2e735ca052fb3c1be9414f340700ca63b78920eb028e
[INFO] running `Command { std: "docker" "start" "-a" "865021d5ec216b2a760b2e735ca052fb3c1be9414f340700ca63b78920eb028e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/neural_net-400e081bbfca19a2)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/neural_net-a15584532d504ecd)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests neural_net
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "865021d5ec216b2a760b2e735ca052fb3c1be9414f340700ca63b78920eb028e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "865021d5ec216b2a760b2e735ca052fb3c1be9414f340700ca63b78920eb028e", kill_on_drop: false }`
[INFO] [stdout] 865021d5ec216b2a760b2e735ca052fb3c1be9414f340700ca63b78920eb028e