[INFO] cloning repository https://github.com/swfsql/burn-mamba-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swfsql/burn-mamba-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswfsql%2Fburn-mamba-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswfsql%2Fburn-mamba-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1b64c40736dfd25453a4e3858fccfbc7f542d82
[INFO] checking swfsql/burn-mamba-example against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswfsql%2Fburn-mamba-example" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/swfsql/burn-mamba-example
[INFO] finished tweaking git repo https://github.com/swfsql/burn-mamba-example
[INFO] tweaked toml for git repo https://github.com/swfsql/burn-mamba-example written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/swfsql/burn-mamba-example on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/swfsql/burn-mamba-example 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87a48ceeb391317e252039ad0312aab3ba211f9191b18c75d993d3c84cbfe01d
[INFO] running `Command { std: "docker" "start" "-a" "87a48ceeb391317e252039ad0312aab3ba211f9191b18c75d993d3c84cbfe01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87a48ceeb391317e252039ad0312aab3ba211f9191b18c75d993d3c84cbfe01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a48ceeb391317e252039ad0312aab3ba211f9191b18c75d993d3c84cbfe01d", kill_on_drop: false }`
[INFO] [stdout] 87a48ceeb391317e252039ad0312aab3ba211f9191b18c75d993d3c84cbfe01d
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67a0dcd40da9fb5526025e836f09f65ce4bfce397a2e48ed4b6cc7717d6eeae6
[INFO] running `Command { std: "docker" "start" "-a" "67a0dcd40da9fb5526025e836f09f65ce4bfce397a2e48ed4b6cc7717d6eeae6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking reborrow v0.5.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling pulp v0.21.5
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling dyn-stack-macros v0.1.3
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]    Compiling cubecl-common v0.7.0 (https://github.com/tracel-ai/cubecl?rev=35e917c84afa681ccef868b5829af3ec373bec65#35e917c8)
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking spin v0.10.0
[INFO] [stderr]     Checking embassy-futures v0.1.2
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking data-encoding v2.9.0
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]    Compiling zip v1.1.4
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking memmap2 v0.9.8
[INFO] [stderr]    Compiling rustls v0.23.33
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking webpki-roots v1.0.3
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking unicode-width v0.2.0
[INFO] [stderr]    Compiling esaxx-rs v0.1.10
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking flate2 v1.1.4
[INFO] [stderr]     Checking webpki-roots v0.26.11
[INFO] [stderr]     Checking socks v0.3.4
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking humantime v2.3.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking unicode-ident v1.0.19
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.2.2
[INFO] [stderr]     Checking indicatif v0.17.11
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking fancy-regex v0.14.0
[INFO] [stderr]     Checking macro_rules_attribute v0.2.2
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking fancy-regex v0.13.0
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking unicode-normalization-alignments v0.1.12
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]     Checking rustls-webpki v0.103.7
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]     Checking zerocopy v0.8.27
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking dyn-stack v0.13.2
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking dyn-stack v0.10.0
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]     Checking pulp v0.18.22
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling burn-derive v0.19.0 (https://github.com/tracel-ai/burn.git?rev=d7e1b08cab5bcfad76923bed0262a76a96341aeb#d7e1b08c)
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking potential_utf v0.1.3
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking num_enum v0.7.4
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking bincode v2.0.1
[INFO] [stderr]     Checking safetensors v0.4.5
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking gemm-common v0.18.2
[INFO] [stderr]     Checking gemm-common v0.17.1
[INFO] [stderr]     Checking float8 v0.4.2
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking gemm-f32 v0.17.1
[INFO] [stderr]     Checking gemm-c64 v0.17.1
[INFO] [stderr]     Checking gemm-f64 v0.17.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking gemm-f32 v0.18.2
[INFO] [stderr]     Checking gemm-c32 v0.18.2
[INFO] [stderr]     Checking gemm-f64 v0.18.2
[INFO] [stderr]     Checking gemm-c64 v0.18.2
[INFO] [stderr]     Checking gemm-f16 v0.17.1
[INFO] [stderr]     Checking gemm-c32 v0.17.1
[INFO] [stderr]     Checking cubecl-quant v0.7.0 (https://github.com/tracel-ai/cubecl?rev=35e917c84afa681ccef868b5829af3ec373bec65#35e917c8)
[INFO] [stderr]     Checking burn-common v0.19.0 (https://github.com/tracel-ai/burn.git?rev=d7e1b08cab5bcfad76923bed0262a76a96341aeb#d7e1b08c)
[INFO] [stderr]     Checking gemm-f16 v0.18.2
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking burn-tensor v0.19.0 (https://github.com/tracel-ai/burn.git?rev=d7e1b08cab5bcfad76923bed0262a76a96341aeb#d7e1b08c)
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling monostate-impl v0.1.18
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]     Checking spm_precompiled v0.1.4
[INFO] [stderr]     Checking monostate v0.1.18
[INFO] [stderr]     Checking compact_str v0.9.0
[INFO] [stderr]     Checking serde_plain v1.0.2
[INFO] [stderr]     Checking gemm v0.18.2
[INFO] [stderr]     Checking ug v0.1.0
[INFO] [stderr]     Checking dary_heap v0.3.8
[INFO] [stderr]     Checking gemm v0.17.1
[INFO] [stderr]     Checking rayon-cond v0.4.0
[INFO] [stderr]     Checking safetensors v0.5.3
[INFO] [stderr]     Checking thiserror v2.0.17
[INFO] [stderr]     Checking tokenizers v0.21.4
[INFO] [stderr]     Checking ureq v2.12.1
[INFO] [stderr]     Checking hf-hub v0.3.2 (https://github.com/swfsql/hf-hub.git?rev=a411dde1a7ab30d782cb978955b922551fb7eeb1#a411dde1)
[INFO] [stderr]     Checking candle-core v0.8.4
[INFO] [stderr]     Checking burn-core v0.19.0 (https://github.com/tracel-ai/burn.git?rev=d7e1b08cab5bcfad76923bed0262a76a96341aeb#d7e1b08c)
[INFO] [stderr]     Checking burn-nn v0.19.0 (https://github.com/tracel-ai/burn.git?rev=d7e1b08cab5bcfad76923bed0262a76a96341aeb#d7e1b08c)
[INFO] [stderr]     Checking burn-optim v0.19.0 (https://github.com/tracel-ai/burn.git?rev=d7e1b08cab5bcfad76923bed0262a76a96341aeb#d7e1b08c)
[INFO] [stderr]     Checking candle-nn v0.8.4
[INFO] [stderr]     Checking candle-transformers v0.8.4
[INFO] [stderr]     Checking burn v0.19.0 (https://github.com/tracel-ai/burn.git?rev=d7e1b08cab5bcfad76923bed0262a76a96341aeb#d7e1b08c)
[INFO] [stderr]     Checking burn-mamba v0.4.0 (https://github.com/swfsql/burn-mamba.git?rev=01ab28c76e8e4f183ddf1ee05faf75ac43812782#01ab28c7)
[INFO] [stdout] error[E0001]: `-Znext-solver=globally` and `generic_const_exprs` are incompatible, using them at the same time is not allowed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/burn-mamba-8b463199be1e4e67/01ab28c/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove one of these features
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0001`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `burn-mamba` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "67a0dcd40da9fb5526025e836f09f65ce4bfce397a2e48ed4b6cc7717d6eeae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a0dcd40da9fb5526025e836f09f65ce4bfce397a2e48ed4b6cc7717d6eeae6", kill_on_drop: false }`
[INFO] [stdout] 67a0dcd40da9fb5526025e836f09f65ce4bfce397a2e48ed4b6cc7717d6eeae6