these 4 derivations will be built:
  /nix/store/8hfiqmx1spmwwsrqiplk18qbg2954c24-crate-mxlink-1.16.1.tar.gz.drv
  /nix/store/ip5g273abx8mrsc64kg4xb3bw43by9k2-mxlink-1.16.1.drv
  /nix/store/cx4mq5czbrgw06658ys6crrr5l4yrfyg-cargo-vendor-dir.drv
  /nix/store/4vkfm09fz2d3fqg0vksjaynjmivphpdr-import-bot.drv
building '/nix/store/8hfiqmx1spmwwsrqiplk18qbg2954c24-crate-mxlink-1.16.1.tar.gz.drv'
crate-mxlink-1.16.1.tar.gz> structuredAttrs is enabled
crate-mxlink-1.16.1.tar.gz> 
crate-mxlink-1.16.1.tar.gz> trying https://static.crates.io/crates/mxlink/1.16.1/download
crate-mxlink-1.16.1.tar.gz>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
crate-mxlink-1.16.1.tar.gz>                                  Dload  Upload  Total   Spent   Left   Speed
crate-mxlink-1.16.1.tar.gz> 100  54196 100  54196   0      0 170.7k      0                              0
building '/nix/store/ip5g273abx8mrsc64kg4xb3bw43by9k2-mxlink-1.16.1.drv'
building '/nix/store/cx4mq5czbrgw06658ys6crrr5l4yrfyg-cargo-vendor-dir.drv'
cargo-vendor-dir> structuredAttrs is enabled
building '/nix/store/4vkfm09fz2d3fqg0vksjaynjmivphpdr-import-bot.drv'
import-bot> Running phase: unpackPhase
import-bot> unpacking source archive /nix/store/92qa2wd5bxw27lv22y86afx1g7s7p2dc-a8vhbgmk5lwplnrcbyrq8lkbhc7fvvjy-source
import-bot> source root is a8vhbgmk5lwplnrcbyrq8lkbhc7fvvjy-source
import-bot> Executing cargoSetupPostUnpackHook
import-bot> Finished cargoSetupPostUnpackHook
import-bot> Running phase: patchPhase
import-bot> Executing cargoSetupPostPatchHook
import-bot> Validating consistency between /build/a8vhbgmk5lwplnrcbyrq8lkbhc7fvvjy-source/Cargo.lock and /build/cargo-vendor-dir/Cargo.lock
import-bot> Finished cargoSetupPostPatchHook
import-bot> Running phase: updateAutotoolsGnuConfigScriptsPhase
import-bot> Running phase: configurePhase
import-bot> Running phase: buildPhase
import-bot> Executing cargoBuildHook
import-bot> cargoBuildHook flags: -j 16 --target x86_64-unknown-linux-gnu --offline --profile release
import-bot> error: rustc 1.95.0 is not supported by the following packages:
import-bot>   matrix-sdk@0.19.1 requires rustc 1.96
import-bot>   matrix-sdk@0.19.1 requires rustc 1.96
import-bot>   matrix-sdk@0.19.1 requires rustc 1.96
import-bot>   matrix-sdk-base@0.19.1 requires rustc 1.96
import-bot>   matrix-sdk-common@0.19.1 requires rustc 1.96
import-bot>   matrix-sdk-common@0.19.1 requires rustc 1.96
import-bot>   matrix-sdk-common@0.19.1 requires rustc 1.96
import-bot>   matrix-sdk-crypto@0.19.1 requires rustc 1.96
import-bot>   matrix-sdk-sqlite@0.19.1 requires rustc 1.96
import-bot>   matrix-sdk-store-encryption@0.19.1 requires rustc 1.96
import-bot> Either upgrade rustc or select compatible dependency versions with
import-bot> `cargo update <name>@<current-ver> --precise <compatible-ver>`
import-bot> where `<compatible-ver>` is the latest version supporting rustc 1.95.0
import-bot> 
error: Cannot build '/nix/store/4vkfm09fz2d3fqg0vksjaynjmivphpdr-import-bot.drv'.
       Reason: builder failed with exit code 101.
       Output paths:
         /nix/store/r1iwxz3hrsrylwyhfpn4x41pgajpdjdk-import-bot
       Last 25 log lines:
       > Finished cargoSetupPostUnpackHook
       > Running phase: patchPhase
       > Executing cargoSetupPostPatchHook
       > Validating consistency between /build/a8vhbgmk5lwplnrcbyrq8lkbhc7fvvjy-source/Cargo.lock and /build/cargo-vendor-dir/Cargo.lock
       > Finished cargoSetupPostPatchHook
       > Running phase: updateAutotoolsGnuConfigScriptsPhase
       > Running phase: configurePhase
       > Running phase: buildPhase
       > Executing cargoBuildHook
       > cargoBuildHook flags: -j 16 --target x86_64-unknown-linux-gnu --offline --profile release
       > error: rustc 1.95.0 is not supported by the following packages:
       >   matrix-sdk@0.19.1 requires rustc 1.96
       >   matrix-sdk@0.19.1 requires rustc 1.96
       >   matrix-sdk@0.19.1 requires rustc 1.96
       >   matrix-sdk-base@0.19.1 requires rustc 1.96
       >   matrix-sdk-common@0.19.1 requires rustc 1.96
       >   matrix-sdk-common@0.19.1 requires rustc 1.96
       >   matrix-sdk-common@0.19.1 requires rustc 1.96
       >   matrix-sdk-crypto@0.19.1 requires rustc 1.96
       >   matrix-sdk-sqlite@0.19.1 requires rustc 1.96
       >   matrix-sdk-store-encryption@0.19.1 requires rustc 1.96
       > Either upgrade rustc or select compatible dependency versions with
       > `cargo update <name>@<current-ver> --precise <compatible-ver>`
       > where `<compatible-ver>` is the latest version supporting rustc 1.95.0
       >
       For full logs, run:
         nix log /nix/store/4vkfm09fz2d3fqg0vksjaynjmivphpdr-import-bot.drv