=> Bootstrap dependency digest>=20211023: found digest-20220214
===> Building for balance-tui-0.1.0
   Compiling autocfg v1.1.0
   Compiling libc v0.2.137
   Compiling cfg-if v1.0.0
   Compiling proc-macro2 v1.0.47
   Compiling once_cell v1.16.0
   Compiling quote v1.0.21
   Compiling unicode-ident v1.0.5
   Compiling memchr v2.5.0
   Compiling syn v1.0.103
   Compiling log v0.4.17
   Compiling parking_lot_core v0.9.4
   Compiling lazy_static v1.4.0
   Compiling signal-hook v0.3.14
   Compiling scopeguard v1.1.0
   Compiling pin-project-lite v0.2.9
   Compiling smallvec v1.10.0
   Compiling cc v1.0.77
   Compiling adler v1.0.2
   Compiling eyre v0.6.8
   Compiling rawpointer v0.2.1
   Compiling gimli v0.26.2
   Compiling thiserror v1.0.37
   Compiling indenter v0.3.3
   Compiling block v0.1.6
   Compiling minimal-lexical v0.2.1
   Compiling either v1.8.0
   Compiling bitflags v1.3.2
   Compiling rustc-demangle v0.1.21
   Compiling owo-colors v3.5.0
   Compiling unicode-segmentation v1.10.0
   Compiling unicode-width v0.1.10
   Compiling cassowary v0.3.0
   Compiling num-traits v0.2.15
   Compiling num-integer v0.1.45
   Compiling num-bigint v0.4.3
   Compiling lock_api v0.4.9
   Compiling num-iter v0.1.43
   Compiling num-rational v0.4.1
   Compiling tracing-core v0.1.30
   Compiling thread_local v1.1.4
   Compiling sharded-slab v0.1.4
   Compiling miniz_oxide v0.5.4
   Compiling matrixmultiply v0.3.2
   Compiling backtrace v0.3.66
   Compiling itertools v0.10.5
   Compiling addr2line v0.17.0
   Compiling tracing v0.1.37
   Compiling tracing-subscriber v0.3.16
   Compiling signal-hook-registry v1.4.0
   Compiling malloc_buf v0.0.6
   Compiling mio v0.8.5
   Compiling object v0.29.0
   Compiling nom v7.1.1
   Compiling tracing-error v0.2.0
   Compiling num-complex v0.4.2
   Compiling objc v0.2.7
   Compiling parking_lot v0.12.1
   Compiling signal-hook-mio v0.2.3
   Compiling color-spantrace v0.2.0
   Compiling objc_id v0.1.1
   Compiling ndarray v0.15.6
   Compiling crossterm v0.25.0
   Compiling color-eyre v0.6.2
   Compiling thiserror-impl v1.0.37
   Compiling bpaf_derive v0.3.3
   Compiling objc-foundation v0.1.1
   Compiling tui v0.19.0
   Compiling num v0.4.0
   Compiling bpaf v0.7.4
   Compiling chem-eq v0.1.1
   Compiling arboard v3.2.0
   Compiling balance-tui v0.1.0 (/Users/pbulk/build/biology/balance-tui/work/balance-tui-5523e04d07c3ba14f02e1ee6c4d58117d3c06269)
error[E0658]: `let...else` statements are unstable
  --> src/ui.rs:80:9
   |
80 | /         let Ok(eq) = res else {
81 | |             self.output = Some(res);
82 | |             return;
83 | |         };
   | |__________^
   |
   = note: see issue #87335 <https://github.com/rust-lang/rust/issues/87335> for more information

For more information about this error, try `rustc --explain E0658`.
error: could not compile `balance-tui` due to previous error
*** Error code 101

Stop.
bmake[1]: stopped in /Volumes/data/jenkins/workspace/pkgsrc-macos11-trunk-arm64/biology/balance-tui
*** Error code 1

Stop.
bmake: stopped in /Volumes/data/jenkins/workspace/pkgsrc-macos11-trunk-arm64/biology/balance-tui