Dec 13 19:05:34.473 INFO testing foundoulis/slytherlisp_rust against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 19:05:34.473 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 19:05:34.867 INFO [stdout] 0dd39a6594e60c685b8c4f321d12cc171aa64b261554fdd1912f07eb2d1c1185
Dec 13 19:05:34.869 INFO running `"docker" "start" "-a" "0dd39a6594e60c685b8c4f321d12cc171aa64b261554fdd1912f07eb2d1c1185"`
Dec 13 19:05:35.349 INFO [stderr] usermod: no changes
Dec 13 19:05:35.405 INFO [stderr]    Compiling memchr v2.1.1
Dec 13 19:05:36.431 INFO [stderr]    Compiling aho-corasick v0.6.9
Dec 13 19:05:37.355 INFO [stderr]    Compiling regex v1.0.5
Dec 13 19:05:47.391 INFO [stderr]    Compiling slytherlisp_rust v0.1.0 (/source)
Dec 13 19:05:48.239 INFO [stderr] error[E0499]: cannot borrow `stack` as mutable more than once at a time
Dec 13 19:05:48.239 INFO [stderr]   --> src/parser/parser.rs:91:29
Dec 13 19:05:48.239 INFO [stderr]    |
Dec 13 19:05:48.239 INFO [stderr] 87 |                 'reverse: for check in stack.iter_mut().rev() {
Dec 13 19:05:48.239 INFO [stderr]    |                                        -----                - first borrow ends here
Dec 13 19:05:48.239 INFO [stderr]    |                                        |
Dec 13 19:05:48.239 INFO [stderr]    |                                        first mutable borrow occurs here
Dec 13 19:05:48.239 INFO [stderr] ...
Dec 13 19:05:48.239 INFO [stderr] 91 |                             stack.pop();
Dec 13 19:05:48.239 INFO [stderr]    |                             ^^^^^ second mutable borrow occurs here
Dec 13 19:05:48.239 INFO [stderr] 
Dec 13 19:05:48.239 INFO [stderr] error[E0499]: cannot borrow `stack` as mutable more than once at a time
Dec 13 19:05:48.239 INFO [stderr]   --> src/parser/parser.rs:92:29
Dec 13 19:05:48.239 INFO [stderr]    |
Dec 13 19:05:48.239 INFO [stderr] 87 |                 'reverse: for check in stack.iter_mut().rev() {
Dec 13 19:05:48.239 INFO [stderr]    |                                        -----                - first borrow ends here
Dec 13 19:05:48.239 INFO [stderr]    |                                        |
Dec 13 19:05:48.239 INFO [stderr]    |                                        first mutable borrow occurs here
Dec 13 19:05:48.239 INFO [stderr] ...
Dec 13 19:05:48.239 INFO [stderr] 92 |                             stack.push(start);
Dec 13 19:05:48.239 INFO [stderr]    |                             ^^^^^ second mutable borrow occurs here
Dec 13 19:05:48.239 INFO [stderr] 
Dec 13 19:05:48.251 INFO [stderr] error: aborting due to 2 previous errors
Dec 13 19:05:48.251 INFO [stderr] 
Dec 13 19:05:48.251 INFO [stderr] For more information about this error, try `rustc --explain E0499`.
Dec 13 19:05:48.260 INFO [stderr] error: Could not compile `slytherlisp_rust`.
Dec 13 19:05:48.260 INFO [stderr] 
Dec 13 19:05:48.260 INFO [stderr] To learn more, run the command again with --verbose.
Dec 13 19:05:48.262 INFO [stderr] su: No module specific data is present
Dec 13 19:05:48.568 INFO running `"docker" "inspect" "0dd39a6594e60c685b8c4f321d12cc171aa64b261554fdd1912f07eb2d1c1185"`
Dec 13 19:05:48.695 INFO running `"docker" "rm" "-f" "0dd39a6594e60c685b8c4f321d12cc171aa64b261554fdd1912f07eb2d1c1185"`
Dec 13 19:05:48.832 INFO [stdout] 0dd39a6594e60c685b8c4f321d12cc171aa64b261554fdd1912f07eb2d1c1185