[INFO] fetching crate enso-logger 0.3.1... [INFO] testing enso-logger-0.3.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate enso-logger 0.3.1 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate enso-logger 0.3.1 [INFO] finished tweaking crates.io crate enso-logger 0.3.1 [INFO] tweaked toml for crates.io crate enso-logger 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate enso-logger 0.3.1 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 103 packages to latest compatible versions [INFO] [stderr] Adding js-sys v0.3.35 (available: v0.3.94) [INFO] [stderr] Adding wasm-bindgen v0.2.58 (available: v0.2.117) [INFO] [stderr] Adding wasm-bindgen-backend v0.2.58 (available: v0.2.104) [INFO] [stderr] Adding wasm-bindgen-macro v0.2.58 (available: v0.2.117) [INFO] [stderr] Adding wasm-bindgen-macro-support v0.2.58 (available: v0.2.117) [INFO] [stderr] Adding wasm-bindgen-shared v0.2.58 (available: v0.2.117) [INFO] [stderr] Adding wasm-bindgen-webidl v0.2.58 (available: v0.2.75) [INFO] [stderr] Adding web-sys v0.3.35 (available: v0.3.94) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded weak-table v0.3.2 [INFO] [stderr] Downloaded shrinkwraprs v0.3.0 [INFO] [stderr] Downloaded enso-shapely v0.2.0 [INFO] [stderr] Downloaded enso-prelude v0.2.6 [INFO] [stderr] Downloaded enso-shapely-macros v0.2.1 [INFO] [stderr] Downloaded simba v0.4.0 [INFO] [stderr] Downloaded enclose v1.2.1 [INFO] [stderr] Downloaded ifmt-impl v0.3.3 [INFO] [stderr] Downloaded ifmt v0.3.3 [INFO] [stderr] Downloaded enso-macro-utils v0.2.0 [INFO] [stderr] Downloaded object v0.24.0 [INFO] [stderr] Downloaded nalgebra v0.26.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e67beaf65623d78833065bdfffb17e6dd3fd231ad176b8b5a72ecd6f688b5aaa [INFO] running `Command { std: "docker" "start" "-a" "e67beaf65623d78833065bdfffb17e6dd3fd231ad176b8b5a72ecd6f688b5aaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e67beaf65623d78833065bdfffb17e6dd3fd231ad176b8b5a72ecd6f688b5aaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e67beaf65623d78833065bdfffb17e6dd3fd231ad176b8b5a72ecd6f688b5aaa", kill_on_drop: false }` [INFO] [stdout] e67beaf65623d78833065bdfffb17e6dd3fd231ad176b8b5a72ecd6f688b5aaa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f7dbb772f4bc9c743dee10d7adc9be15b51315fb975390c789908c8720395157 [INFO] running `Command { std: "docker" "start" "-a" "f7dbb772f4bc9c743dee10d7adc9be15b51315fb975390c789908c8720395157", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling memchr v2.8.0 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.58 [INFO] [stderr] Compiling bumpalo v3.20.2 [INFO] [stderr] Compiling log v0.4.29 [INFO] [stderr] Compiling anyhow v1.0.102 [INFO] [stderr] Compiling unicode-segmentation v1.13.2 [INFO] [stderr] Compiling simd-adler32 v0.3.9 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling wasm-bindgen v0.2.58 [INFO] [stderr] Compiling object v0.37.3 [INFO] [stderr] Compiling libc v0.2.184 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling matrixmultiply v0.3.10 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling gimli v0.32.3 [INFO] [stderr] Compiling sourcefile v0.1.4 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling num-bigint v0.4.6 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling num-complex v0.3.1 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Compiling approx v0.4.0 [INFO] [stderr] Compiling rustc-demangle v0.1.27 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling boolinator v2.4.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling aho-corasick v1.1.4 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling simba v0.4.0 [INFO] [stderr] Compiling paste v0.1.18 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling flate2 v1.1.9 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling weak-table v0.3.2 [INFO] [stderr] Compiling object v0.24.0 [INFO] [stderr] Compiling weedle v0.10.0 [INFO] [stderr] Compiling enclose v1.2.1 [INFO] [stderr] Compiling regex-automata v0.4.14 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling num v0.4.3 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling derive_more v0.99.20 [INFO] [stderr] Compiling addr2line v0.25.1 [INFO] [stderr] Compiling backtrace v0.3.76 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.58 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling regex v1.12.3 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Compiling enso-macro-utils v0.2.0 [INFO] [stderr] Compiling shrinkwraprs v0.3.0 [INFO] [stderr] Compiling ifmt-impl v0.3.3 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling enso-shapely-macros v0.2.1 [INFO] [stderr] Compiling nalgebra v0.26.2 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.58 [INFO] [stderr] Compiling wasm-bindgen-webidl v0.2.58 [INFO] [stderr] Compiling ifmt v0.3.3 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.58 [INFO] [stderr] Compiling enso-shapely v0.2.0 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/enso-shapely-0.2.0/src/lib.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | #![feature(generators, generator_trait)] [INFO] [stdout] | ^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.75.0; see for more information [INFO] [stdout] = note: renamed to `coroutines` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::ops::Generator` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/enso-shapely-0.2.0/src/generator.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ops::Generator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ no `Generator` in `ops` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `std::ops::GeneratorState` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/enso-shapely-0.2.0/src/generator.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::ops::GeneratorState; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ no `GeneratorState` in `ops` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/enso-shapely-0.2.0/src/generator.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | yield 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/enso-shapely-0.2.0/src/generator.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | yield 1; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: yield syntax is experimental [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/enso-shapely-0.2.0/src/generator.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | yield 2; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #43122 for more information [INFO] [stdout] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-03-21; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `generator_trait` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/enso-shapely-0.2.0/src/lib.rs:11:24 [INFO] [stdout] | [INFO] [stdout] 11 | #![feature(generators, generator_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0635, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `enso-shapely` (lib) due to 7 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1138) panicked at /rustc-dev/562dee4820c458d823175268e41601d4c060588a/compiler/rustc_infer/src/infer/relate/generalize.rs:294:44: [INFO] [stderr] called `Result::unwrap_err()` on an `Ok` value: base::array_storage::ArrayStorage, base::dimension::Const<1_usize>, ?21t>, ?0c, 1_usize> [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x779788b8455b - <::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt [INFO] [stderr] 1: 0x77978922e8c8 - core[fa0eadad68403074]::fmt::write [INFO] [stderr] 2: 0x779788b9b566 - ::write_fmt [INFO] [stderr] 3: 0x779788b5a568 - std[31e582c13f4e914f]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x779788b77963 - std[31e582c13f4e914f]::panicking::default_hook [INFO] [stderr] 5: 0x779787b73dbc - std[31e582c13f4e914f]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x779788b77c42 - std[31e582c13f4e914f]::panicking::panic_with_hook [INFO] [stderr] 7: 0x779788b5a628 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x779788b4eb79 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x779788b5c08d - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind [INFO] [stderr] 10: 0x779785baaf7c - core[fa0eadad68403074]::panicking::panic_fmt [INFO] [stderr] 11: 0x77978542b312 - core[fa0eadad68403074]::result::unwrap_failed [INFO] [stderr] 12: 0x779789f3904a - ::instantiate_ty_var::> [INFO] [stderr] 13: 0x779789f3b149 - >::relate::> [INFO] [stderr] 14: 0x779789f3bcad - > as rustc_type_ir[bdf822ca6a2ba2d7]::interner::CollectAndApply>>::collect_and_apply::>, core[fa0eadad68403074]::iter::adapters::copied::Copied>>, rustc_type_ir[bdf822ca6a2ba2d7]::relate::relate_args_invariantly>::{closure#0}>, ::mk_args_from_iter>, core[fa0eadad68403074]::iter::adapters::copied::Copied>>, rustc_type_ir[bdf822ca6a2ba2d7]::relate::relate_args_invariantly>::{closure#0}>, core[fa0eadad68403074]::result::Result>>::{closure#0}> [INFO] [stderr] 15: 0x779789f3c40e - rustc_type_ir[bdf822ca6a2ba2d7]::relate::structurally_relate_tys::> [INFO] [stderr] 16: 0x779789f3940b - as rustc_type_ir[bdf822ca6a2ba2d7]::relate::TypeRelation>::tys [INFO] [stderr] 17: 0x779789f38dbc - ::instantiate_ty_var::> [INFO] [stderr] 18: 0x779789f39498 - as rustc_type_ir[bdf822ca6a2ba2d7]::relate::TypeRelation>::tys [INFO] [stderr] 19: 0x779789f3c713 - rustc_type_ir[bdf822ca6a2ba2d7]::relate::structurally_relate_tys::> [INFO] [stderr] 20: 0x779789f3940b - as rustc_type_ir[bdf822ca6a2ba2d7]::relate::TypeRelation>::tys [INFO] [stderr] 21: 0x779789f3b9b7 - > as rustc_type_ir[bdf822ca6a2ba2d7]::interner::CollectAndApply>>::collect_and_apply::>, core[fa0eadad68403074]::iter::adapters::copied::Copied>>, rustc_type_ir[bdf822ca6a2ba2d7]::relate::relate_args_invariantly>::{closure#0}>, ::mk_args_from_iter>, core[fa0eadad68403074]::iter::adapters::copied::Copied>>, rustc_type_ir[bdf822ca6a2ba2d7]::relate::relate_args_invariantly>::{closure#0}>, core[fa0eadad68403074]::result::Result>>::{closure#0}> [INFO] [stderr] 22: 0x7797892a3bf2 - ::eq_trace::> [INFO] [stderr] 23: 0x779789c7f194 - rustc_trait_selection[4094b86ae93e66fa]::traits::coherence::overlap [INFO] [stderr] 24: 0x779785261287 - ::insert [INFO] [stderr] 25: 0x77978a2db571 - ::insert [INFO] [stderr] 26: 0x77978924a8b4 - rustc_trait_selection[4094b86ae93e66fa]::traits::specialize::specialization_graph_provider [INFO] [stderr] 27: 0x77978924e3cd - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 28: 0x779789545a54 - rustc_query_impl[787df1eb52488c09]::query_impl::specialization_graph_of::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 29: 0x779789549187 - rustc_hir_analysis[6f8e47aab4b5577f]::coherence::coherent_trait [INFO] [stderr] 30: 0x779789548e9d - rustc_query_impl[787df1eb52488c09]::query_impl::coherent_trait::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 31: 0x779789769cec - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 32: 0x779789768e40 - rustc_query_impl[787df1eb52488c09]::query_impl::coherent_trait::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 33: 0x7797898d4bee - rustc_hir_analysis[6f8e47aab4b5577f]::check::check::check_item_type [INFO] [stderr] 34: 0x7797898d30a6 - rustc_hir_analysis[6f8e47aab4b5577f]::check::wfcheck::check_well_formed [INFO] [stderr] 35: 0x7797898d3087 - rustc_query_impl[787df1eb52488c09]::query_impl::check_well_formed::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 36: 0x7797898d26a4 - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::, rustc_middle[bc4b12ab5fd100e2]::dep_graph::graph::DepNodeIndex>, false> [INFO] [stderr] 37: 0x7797898d243b - rustc_query_impl[787df1eb52488c09]::query_impl::check_well_formed::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 38: 0x7797898cebb3 - rustc_hir_analysis[6f8e47aab4b5577f]::check::wfcheck::check_type_wf [INFO] [stderr] 39: 0x7797898ceaaf - rustc_query_impl[787df1eb52488c09]::query_impl::check_type_wf::invoke_provider_fn::__rust_begin_short_backtrace [INFO] [stderr] 40: 0x77978a46dd50 - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 41: 0x77978a46db29 - rustc_query_impl[787df1eb52488c09]::query_impl::check_type_wf::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 42: 0x77978975e055 - rustc_hir_analysis[6f8e47aab4b5577f]::check_crate [INFO] [stderr] 43: 0x7797893110da - rustc_interface[fa77fbe53284b165]::passes::analysis [INFO] [stderr] 44: 0x77978a4704c9 - rustc_query_impl[787df1eb52488c09]::execution::try_execute_query::>, false> [INFO] [stderr] 45: 0x77978a470135 - rustc_query_impl[787df1eb52488c09]::query_impl::analysis::execute_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 46: 0x77978a532194 - rustc_interface[fa77fbe53284b165]::interface::run_compiler::<(), rustc_driver_impl[5d9f716931f6bd73]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 47: 0x77978a443f3e - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 48: 0x77978a4447e0 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 49: 0x77978a44566c - ::new::thread_start [INFO] [stderr] 50: 0x779783e8aaa4 - [INFO] [stderr] 51: 0x779783f17a64 - clone [INFO] [stderr] 52: 0x0 - [INFO] [stderr] [INFO] [stderr] error: the compiler unexpectedly panicked. This is a bug [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: please make sure that you have updated to the latest nightly [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nalgebra-0.26.2/rustc-ice-2026-04-10T06_48_21-1135.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.96.0-nightly (562dee482 2026-03-21) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] #0 [specialization_graph_of] building specialization graph of trait `core::convert::From` [INFO] [stderr] #1 [coherent_trait] coherence checking all impls of trait `core::convert::From` [INFO] [stderr] #2 [check_well_formed] checking that `base::conversion::` is well-formed [INFO] [stderr] #3 [check_type_wf] checking that types are well-formed [INFO] [stderr] #4 [analysis] running analysis passes on crate `nalgebra` [INFO] [stderr] end of query stack [INFO] [stderr] error: could not compile `nalgebra` (lib); 30 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/562dee4820c458d823175268e41601d4c060588a/bin/rustc --crate-name nalgebra --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nalgebra-0.26.2/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="default"' --cfg 'feature="matrixmultiply"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("abomonation", "abomonation-serialize", "alga", "alloc", "arbitrary", "bytemuck", "compare", "convert-bytemuck", "convert-glam", "convert-glam-unchecked", "convert-mint", "debug", "default", "glam", "io", "libm", "libm-force", "matrixcompare-core", "matrixmultiply", "mint", "no_unsound_assume_init", "pest", "pest_derive", "proptest", "proptest-support", "quickcheck", "rand", "rand-no-std", "rand-package", "rand_distr", "serde", "serde-serialize", "serde-serialize-no-std", "slow-tests", "sparse", "std"))' -C metadata=e9383898de4250c9 -C extra-filename=-c2a6e3f1a09aac67 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-0d624c332cf28c7a.rmeta --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-40cc0532eeebbfbd.rmeta --extern num_complex=/opt/rustwide/target/debug/deps/libnum_complex-640745f4c7c9a711.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-8bdea8553beb9362.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-ca8a17926a2d9230.rmeta --extern simba=/opt/rustwide/target/debug/deps/libsimba-87d1aa1006de2928.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-0e02f3386ab040bb.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "f7dbb772f4bc9c743dee10d7adc9be15b51315fb975390c789908c8720395157", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7dbb772f4bc9c743dee10d7adc9be15b51315fb975390c789908c8720395157", kill_on_drop: false }` [INFO] [stdout] f7dbb772f4bc9c743dee10d7adc9be15b51315fb975390c789908c8720395157