$ /nix/store/vzx1mi9c0xfadmsm9dhd83d005cb1qs9-coreutils-9.8/bin/timeout --kill-after=15s 1800s /nix/store/99b1z08awpxj8b6mzggn59gp1shljnff-nix-2.34.5/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes --log-format internal-json build --no-link git+https://github.com/sellout/flaky-environments?ref=renovate%2Flock-file-maintenance&rev=b73d00344b3fe604b944c5a51557b66cb5c09af2#devShells.x86_64-linux.rust --print-build-logs warning: ignoring untrusted flake configuration setting 'allow-import-from-derivation'. Pass '--accept-flake-config' to trust it warning: ignoring untrusted flake configuration setting 'extra-experimental-features'. Pass '--accept-flake-config' to trust it warning: ignoring untrusted flake configuration setting 'extra-substituters'. Pass '--accept-flake-config' to trust it warning: ignoring untrusted flake configuration setting 'extra-trusted-public-keys'. Pass '--accept-flake-config' to trust it warning: ignoring untrusted flake configuration setting 'sandbox'. Pass '--accept-flake-config' to trust it warning: ignoring untrusted flake configuration setting 'use-registries'. Pass '--accept-flake-config' to trust it error (ignored): SQLite database '/var/cache/private/nix-ci-worker/eval-cache-v6/a7167426f55130fcccad609fa94ce5987aa32f3a63b99e1a844b6e5e8f1d7bc1.sqlite' is busy 'system' has been renamed to/replaced by 'stdenv.hostPlatform.system'  Substituting rust-lib-src from https://cache.nix-ci.com Substituting cargo-fuzz from https://cache.nix-ci.com Substituting cargo-semver-checks from https://cache.nix-ci.com Substituting rustup from https://cache.nix-ci.com Substituting rust-analyzer-unwrapped-2025-10 from https://cache.nix-ci.com Substituting rustc from https://cache.nix-ci.com Progress: 0 of 1 built, 1 of 12 fetched (5 fetching) Progress: 0 of 1 built, 2 of 12 fetched (4 fetching) Progress: 0 of 1 built, 3 of 12 fetched (3 fetching) Progress: 0 of 1 built, 4 of 12 fetched (2 fetching) Substituting rust-analyzer-2025-10 from https://cache.nix-ci.com Progress: 0 of 1 built, 5 of 12 fetched (2 fetching) Progress: 0 of 1 built, 6 of 12 fetched (1 fetching) Progress: 0 of 1 built, 7 of 12 fetched Substituting clippy from https://cache.nix-ci.com Substituting rustc-wrapper from https://cache.nix-ci.com Progress: 0 of 1 built, 8 of 12 fetched (1 fetching) Substituting cargo from https://cache.nix-ci.com Progress: 0 of 1 built, 9 of 12 fetched (1 fetching) Progress: 0 of 1 built, 10 of 12 fetched Substituting rustfmt from https://cache.nix-ci.com Progress: 0 of 1 built, 11 of 12 fetched Substituting nix-shell from https://cache.nix-ci.com Progress: 0 of 1 built, 12 of 12 fetched