Dec 13 19:05:35.032 INFO testing foundoulis/slytherlisp_rust against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 19:05:35.032 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 19:05:35.216 INFO [stdout] 9a85264ffae30ea4a716f47fb32c26c60582976fefc6160fca19eaa992e9f15c
Dec 13 19:05:35.220 INFO running `"docker" "start" "-a" "9a85264ffae30ea4a716f47fb32c26c60582976fefc6160fca19eaa992e9f15c"`
Dec 13 19:05:35.739 INFO [stderr] usermod: no changes
Dec 13 19:05:35.793 INFO [stderr]    Compiling memchr v2.1.1
Dec 13 19:05:36.929 INFO [stderr]    Compiling aho-corasick v0.6.9
Dec 13 19:05:37.768 INFO [stderr]    Compiling regex v1.0.5
Dec 13 19:05:47.478 INFO [stderr]    Compiling slytherlisp_rust v0.1.0 (/source)
Dec 13 19:05:48.283 INFO [stderr] error[E0499]: cannot borrow `stack` as mutable more than once at a time
Dec 13 19:05:48.283 INFO [stderr]   --> src/parser/parser.rs:91:29
Dec 13 19:05:48.283 INFO [stderr]    |
Dec 13 19:05:48.283 INFO [stderr] 87 |                 'reverse: for check in stack.iter_mut().rev() {
Dec 13 19:05:48.283 INFO [stderr]    |                                        -----                - first borrow ends here
Dec 13 19:05:48.283 INFO [stderr]    |                                        |
Dec 13 19:05:48.283 INFO [stderr]    |                                        first mutable borrow occurs here
Dec 13 19:05:48.283 INFO [stderr] ...
Dec 13 19:05:48.283 INFO [stderr] 91 |                             stack.pop();
Dec 13 19:05:48.283 INFO [stderr]    |                             ^^^^^ second mutable borrow occurs here
Dec 13 19:05:48.283 INFO [stderr] 
Dec 13 19:05:48.283 INFO [stderr] error[E0499]: cannot borrow `stack` as mutable more than once at a time
Dec 13 19:05:48.283 INFO [stderr]   --> src/parser/parser.rs:92:29
Dec 13 19:05:48.283 INFO [stderr]    |
Dec 13 19:05:48.283 INFO [stderr] 87 |                 'reverse: for check in stack.iter_mut().rev() {
Dec 13 19:05:48.283 INFO [stderr]    |                                        -----                - first borrow ends here
Dec 13 19:05:48.283 INFO [stderr]    |                                        |
Dec 13 19:05:48.283 INFO [stderr]    |                                        first mutable borrow occurs here
Dec 13 19:05:48.283 INFO [stderr] ...
Dec 13 19:05:48.283 INFO [stderr] 92 |                             stack.push(start);
Dec 13 19:05:48.283 INFO [stderr]    |                             ^^^^^ second mutable borrow occurs here
Dec 13 19:05:48.283 INFO [stderr] 
Dec 13 19:05:48.295 INFO [stderr] error: aborting due to 2 previous errors
Dec 13 19:05:48.295 INFO [stderr] 
Dec 13 19:05:48.295 INFO [stderr] For more information about this error, try `rustc --explain E0499`.
Dec 13 19:05:48.306 INFO [stderr] error: Could not compile `slytherlisp_rust`.
Dec 13 19:05:48.306 INFO [stderr] 
Dec 13 19:05:48.306 INFO [stderr] To learn more, run the command again with --verbose.
Dec 13 19:05:48.307 INFO [stderr] su: No module specific data is present
Dec 13 19:05:48.585 INFO running `"docker" "inspect" "9a85264ffae30ea4a716f47fb32c26c60582976fefc6160fca19eaa992e9f15c"`
Dec 13 19:05:48.712 INFO running `"docker" "rm" "-f" "9a85264ffae30ea4a716f47fb32c26c60582976fefc6160fca19eaa992e9f15c"`
Dec 13 19:05:48.846 INFO [stdout] 9a85264ffae30ea4a716f47fb32c26c60582976fefc6160fca19eaa992e9f15c