Dec 14 11:44:56.646 INFO testing Brodin-DMS/programming_with_rust against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 11:44:56.646 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 14 11:44:57.275 INFO [stdout] 6d6303c5b56e05b989aef911022e9278b65195ef8564337709f2eff8177dc36b
Dec 14 11:44:57.278 INFO running `"docker" "start" "-a" "6d6303c5b56e05b989aef911022e9278b65195ef8564337709f2eff8177dc36b"`
Dec 14 11:44:59.064 INFO [stderr] usermod: no changes
Dec 14 11:44:59.220 INFO [stderr]    Compiling programming_with_rust v0.1.0 (/source)
Dec 14 11:45:00.061 INFO [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time
Dec 14 11:45:00.061 INFO [stderr]  --> src/main.rs:6:5
Dec 14 11:45:00.061 INFO [stderr]   |
Dec 14 11:45:00.062 INFO [stderr] 6 |     flag: str,
Dec 14 11:45:00.062 INFO [stderr]   |     ^^^^^^^^^ doesn't have a size known at compile-time
Dec 14 11:45:00.062 INFO [stderr]   |
Dec 14 11:45:00.062 INFO [stderr]   = help: the trait `std::marker::Sized` is not implemented for `str`
Dec 14 11:45:00.063 INFO [stderr]   = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
Dec 14 11:45:00.063 INFO [stderr]   = note: only the last field of a struct may have a dynamically sized type
Dec 14 11:45:00.063 INFO [stderr] 
Dec 14 11:45:00.063 INFO [stderr] error: aborting due to previous error
Dec 14 11:45:00.063 INFO [stderr] 
Dec 14 11:45:00.064 INFO [stderr] For more information about this error, try `rustc --explain E0277`.
Dec 14 11:45:00.069 INFO [stderr] error: Could not compile `programming_with_rust`.
Dec 14 11:45:00.069 INFO [stderr] 
Dec 14 11:45:00.069 INFO [stderr] To learn more, run the command again with --verbose.
Dec 14 11:45:00.071 INFO [stderr] su: No module specific data is present
Dec 14 11:45:01.701 INFO running `"docker" "inspect" "6d6303c5b56e05b989aef911022e9278b65195ef8564337709f2eff8177dc36b"`
Dec 14 11:45:02.033 INFO running `"docker" "rm" "-f" "6d6303c5b56e05b989aef911022e9278b65195ef8564337709f2eff8177dc36b"`
Dec 14 11:45:02.434 INFO [stdout] 6d6303c5b56e05b989aef911022e9278b65195ef8564337709f2eff8177dc36b