[INFO] cloning repository https://github.com/PoorlyDefinedBehaviour/genetic-algorithm-learns-linear-functions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PoorlyDefinedBehaviour/genetic-algorithm-learns-linear-functions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPoorlyDefinedBehaviour%2Fgenetic-algorithm-learns-linear-functions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPoorlyDefinedBehaviour%2Fgenetic-algorithm-learns-linear-functions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62723e1b124853a14be5afdd628d7044de40eb7f
[INFO] testing PoorlyDefinedBehaviour/genetic-algorithm-learns-linear-functions 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%2FPoorlyDefinedBehaviour%2Fgenetic-algorithm-learns-linear-functions" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PoorlyDefinedBehaviour/genetic-algorithm-learns-linear-functions
[INFO] finished tweaking git repo https://github.com/PoorlyDefinedBehaviour/genetic-algorithm-learns-linear-functions
[INFO] tweaked toml for git repo https://github.com/PoorlyDefinedBehaviour/genetic-algorithm-learns-linear-functions written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PoorlyDefinedBehaviour/genetic-algorithm-learns-linear-functions 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/PoorlyDefinedBehaviour/genetic-algorithm-learns-linear-functions 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7eac13a2e97089be9d3b9931e52cf29d2604684f742ee196e179f53eb35cfecb
[INFO] running `Command { std: "docker" "start" "-a" "7eac13a2e97089be9d3b9931e52cf29d2604684f742ee196e179f53eb35cfecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7eac13a2e97089be9d3b9931e52cf29d2604684f742ee196e179f53eb35cfecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eac13a2e97089be9d3b9931e52cf29d2604684f742ee196e179f53eb35cfecb", kill_on_drop: false }`
[INFO] [stdout] 7eac13a2e97089be9d3b9931e52cf29d2604684f742ee196e179f53eb35cfecb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6c66bc8ad36a820d32c6f442cf736b92fecba1bd4ed2c4656bb44e6de3c8a3fa
[INFO] running `Command { std: "docker" "start" "-a" "6c66bc8ad36a820d32c6f442cf736b92fecba1bd4ed2c4656bb44e6de3c8a3fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling arrow-schema v54.3.1
[INFO] [stderr]    Compiling lexical-util v1.0.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling lexical-write-integer v1.0.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.5
[INFO] [stderr]    Compiling lexical-write-float v1.0.5
[INFO] [stderr]    Compiling lexical-parse-float v1.0.5
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling lexical-core v1.0.5
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling log-once v0.4.1
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling camino v1.1.10
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling puffin v0.19.1
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling re_tracing v0.23.4
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling bytemuck_derive v1.9.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling re_log v0.23.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling zerovec v0.11.2
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rustls v0.23.29
[INFO] [stderr]    Compiling re_case v0.23.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling rustls-webpki v0.103.4
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling fixed v1.29.0
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling re_error v0.23.4
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling flatbuffers v24.12.23
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling arrow-buffer v54.3.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling re_string_interner v0.23.4
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling re_format v0.23.4
[INFO] [stderr]    Compiling arrow-data v54.3.1
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling cargo_metadata v0.18.1
[INFO] [stderr]    Compiling arrow-array v54.3.1
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling natord v1.0.9
[INFO] [stderr]    Compiling clean-path v0.2.1
[INFO] [stderr]    Compiling unindent v0.2.4
[INFO] [stderr]    Compiling re_build_tools v0.23.4
[INFO] [stderr]    Compiling h2 v0.4.11
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling arrow-select v54.3.1
[INFO] [stderr]    Compiling arrow-ipc v54.3.1
[INFO] [stderr]    Compiling arrow-arith v54.3.1
[INFO] [stderr]    Compiling arrow-row v54.3.1
[INFO] [stderr]    Compiling arrow-cast v54.3.1
[INFO] [stderr]    Compiling arrow-string v54.3.1
[INFO] [stderr]    Compiling arrow-ord v54.3.1
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr] error: could not compile `h2` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name h2 --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/h2-0.4.11/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 --warn=unexpected_cfgs --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("stream", "unstable"))' -C metadata=9ef1d3b16b63843a -C extra-filename=-dc6c7e0508d21433 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atomic_waker=/opt/rustwide/target/debug/deps/libatomic_waker-06950c8c08d2b8fa.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-82ad4f0211bdc963.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-79e2cbfbe03dcd16.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-3b920243fce8fec0.rmeta --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-ae1eb2d060de53a2.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-91749a31ed6c7a44.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-eaeb0be77bf4acc0.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-06cf58f8e93304ed.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-c2be2c9c219ec6fb.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-dde47cbbf2b4ccd3.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-c61c03a23aaa873b.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fixed` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name fixed --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fixed-1.29.0/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="serde"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "az", "borsh", "f16", "fail-on-warnings", "nightly-float", "num-traits", "serde", "serde-str", "std"))' -C metadata=abd2ba58ef8dc01f -C extra-filename=-10bab967d5699aea --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern az=/opt/rustwide/target/debug/deps/libaz-c78b2287c8127d41.rmeta --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-5226e4d3bd504ec3.rmeta --extern half=/opt/rustwide/target/debug/deps/libhalf-ed97859cc9bf085f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2357d6e941fe4901.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-f2b179c8a326fef2.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6c66bc8ad36a820d32c6f442cf736b92fecba1bd4ed2c4656bb44e6de3c8a3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c66bc8ad36a820d32c6f442cf736b92fecba1bd4ed2c4656bb44e6de3c8a3fa", kill_on_drop: false }`
[INFO] [stdout] 6c66bc8ad36a820d32c6f442cf736b92fecba1bd4ed2c4656bb44e6de3c8a3fa