[INFO] cloning repository https://github.com/smolijar/plantaznik [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smolijar/plantaznik" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmolijar%2Fplantaznik", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmolijar%2Fplantaznik'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9b7a370a99fa7a1250696733aa3d04296814b20c [INFO] checking smolijar/plantaznik against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmolijar%2Fplantaznik" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/smolijar/plantaznik on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/smolijar/plantaznik [INFO] finished tweaking git repo https://github.com/smolijar/plantaznik [INFO] tweaked toml for git repo https://github.com/smolijar/plantaznik written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/smolijar/plantaznik already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded clap-verbosity-flag v2.0.0 [INFO] [stderr] Downloaded plantuml_encoding v2.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a75ca970e97ffa4030ae439d8ea0d04994b6281f8b6a0fc6843d69b432c2ff30 [INFO] running `Command { std: "docker" "start" "-a" "a75ca970e97ffa4030ae439d8ea0d04994b6281f8b6a0fc6843d69b432c2ff30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a75ca970e97ffa4030ae439d8ea0d04994b6281f8b6a0fc6843d69b432c2ff30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a75ca970e97ffa4030ae439d8ea0d04994b6281f8b6a0fc6843d69b432c2ff30", kill_on_drop: false }` [INFO] [stdout] a75ca970e97ffa4030ae439d8ea0d04994b6281f8b6a0fc6843d69b432c2ff30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b3676e846137b39be1386771b9edcb2b79a8b840220f234d68a7de3cda9edcaa [INFO] running `Command { std: "docker" "start" "-a" "b3676e846137b39be1386771b9edcb2b79a8b840220f234d68a7de3cda9edcaa", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.51 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling io-lifetimes v1.0.6 [INFO] [stderr] Compiling rustix v0.36.9 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking linux-raw-sys v0.1.4 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking os_str_bytes v6.4.1 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking miniz_oxide v0.6.2 [INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetay0g2ve/full.rmeta`: No space left on device (os error 28) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stderr] error: could not compile `libc` (build script) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse process output: `/opt/rustwide/rustup-home/toolchains/9bfa31f632912180dc742809bcc51a97f2d7079d/bin/rustc --crate-name build_script_build --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.2.140/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="extra_traits"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("align", "const-extern-fn", "default", "extra_traits", "rustc-dep-of-std", "rustc-std-workspace-core", "std", "use_std"))' -C metadata=7706a913965d8f9b -C extra-filename=-fc5bf65e1c9709a0 --out-dir /opt/rustwide/target/debug/build/libc-fc5bf65e1c9709a0 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: error writing dependencies to `/opt/rustwide/target/debug/deps/regex_syntax-28d67920665cc199.d`: No space left on device (os error 28) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `version_check` (lib) due to 1 previous error [INFO] [stderr] error: could not compile `crc32fast` (build script) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to parse process output: `/opt/rustwide/rustup-home/toolchains/9bfa31f632912180dc742809bcc51a97f2d7079d/bin/rustc --crate-name build_script_build --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crc32fast-1.3.2/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "nightly", "std"))' -C metadata=b88a2d6a888759ad -C extra-filename=-e7fe1e2e700d476b --out-dir /opt/rustwide/target/debug/build/crc32fast-e7fe1e2e700d476b -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (exit status: 101) [INFO] [stderr] error: could not compile `regex-syntax` (lib) due to 1 previous error [INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/tmp/rustch3IKyH" [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `heck` (lib) due to 1 previous error [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustctblfX9/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustctblfX9/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/memchr-af40e16f69699673/build_script_build-af40e16f69699673" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `memchr` (build script) due to 1 previous error [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustc08dR8M/symbols.o" "<3 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustc08dR8M/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/rustix-320fee6a8dc3b4aa/build_script_build-320fee6a8dc3b4aa" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rustix` (build script) due to 1 previous error [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustca4yJS4/symbols.o" "<4 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustca4yJS4/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/proc-macro2-67a2d4efbe7b4113/build_script_build-67a2d4efbe7b4113" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (build script) due to 1 previous error [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustcWjfGDK/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcWjfGDK/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/quote-83e1946ffd59f798/build_script_build-83e1946ffd59f798" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace. [INFO] [stdout] #0 0x0000783628cb49f7 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/opt/rustwide/rustup-home/toolchains/9bfa31f632912180dc742809bcc51a97f2d7079d/lib/libLLVM.so.20.1-rust-1.88.0-nightly+0x56b49f7) [INFO] [stdout] #1 0x0000783628cb4e0c SignalHandler(int) (/opt/rustwide/rustup-home/toolchains/9bfa31f632912180dc742809bcc51a97f2d7079d/lib/libLLVM.so.20.1-rust-1.88.0-nightly+0x56b4e0c) [INFO] [stdout] #2 0x0000783623433330 (/lib/x86_64-linux-gnu/libc.so.6+0x45330) [INFO] [stdout] #3 0x0000783623576bb7 (/lib/x86_64-linux-gnu/libc.so.6+0x188bb7) [INFO] [stdout] #4 0x000055a88b0d2804 void lld::elf::InputSection::writeTo>(lld::elf::Ctx&, unsigned char*) (/opt/rustwide/rustup-home/toolchains/9bfa31f632912180dc742809bcc51a97f2d7079d/lib/rustlib/x86_64-unknown-linux-gnu/bin/rust-lld+0x404804) [INFO] [stdout] #5 0x000055a88b1266eb void lld::elf::OutputSection::writeTo>(lld::elf::Ctx&, unsigned char*, llvm::parallel::TaskGroup&)::'lambda'(unsigned long, unsigned long)::operator()(unsigned long, unsigned long) const OutputSections.cpp:0:0 [INFO] [stdout] #6 0x0000783628c64582 std::_Function_handler)::$_0>::_M_invoke(std::_Any_data const&) (/opt/rustwide/rustup-home/toolchains/9bfa31f632912180dc742809bcc51a97f2d7079d/lib/libLLVM.so.20.1-rust-1.88.0-nightly+0x5664582) [INFO] [stdout] #7 0x0000783628c63fea llvm::parallel::detail::(anonymous namespace)::ThreadPoolExecutor::work(llvm::ThreadPoolStrategy, unsigned int) (/opt/rustwide/rustup-home/toolchains/9bfa31f632912180dc742809bcc51a97f2d7079d/lib/libLLVM.so.20.1-rust-1.88.0-nightly+0x5663fea) [INFO] [stdout] #8 0x0000783628bdd680 execute_native_thread_routine (/opt/rustwide/rustup-home/toolchains/9bfa31f632912180dc742809bcc51a97f2d7079d/lib/libLLVM.so.20.1-rust-1.88.0-nightly+0x55dd680) [INFO] [stdout] #9 0x000078362348aaa4 (/lib/x86_64-linux-gnu/libc.so.6+0x9caa4) [INFO] [stdout] #10 0x0000783623517a34 clone (/lib/x86_64-linux-gnu/libc.so.6+0x129a34) [INFO] [stdout] collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `quote` (build script) due to 1 previous error [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustcTQfnLr/symbols.o" "<4 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcTQfnLr/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/syn-52126b94e7e25014/build_script_build-52126b94e7e25014" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `syn` (build script) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "b3676e846137b39be1386771b9edcb2b79a8b840220f234d68a7de3cda9edcaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3676e846137b39be1386771b9edcb2b79a8b840220f234d68a7de3cda9edcaa", kill_on_drop: false }` [INFO] [stdout] b3676e846137b39be1386771b9edcb2b79a8b840220f234d68a7de3cda9edcaa