i was getting this berror when cargo build-sbf or anchor build ..:
cargo build-sbf
error: failed to parse lock file at: /home/anrchsun/devs/ana-cain/Cargo.lock
but if you all could read carefully the solution was given in error message:
Caused by:
lock file version 4 requires -Znext-lockfile-bump
so i ran
cargo build-sbf -- -Znext-lockfile-bump
and everything worked fine...
Compiling borsh v0.9.3
Compiling anchor-attribute-access-control v0.30.1
Compiling anchor-attribute-account v0.30.1
Compiling anchor-attribute-error v0.30.1
Compiling anchor-attribute-event v0.30.1
Compiling anchor-attribute-constant v0.30.1
Compiling anchor-derive-serde v0.30.1
Compiling anchor-attribute-program v0.30.1
Compiling anchor-derive-accounts v0.30.1
^[[B Building [=======================> ] 165/169: solana-program, solana-program
Compiling anchor-lang v0.30.1
Compiling ana-chain v0.0.0 (/home/anrchsun/devs/ana-cain/program)
Finished release [optimized] target(s) in 1m 31s..