Dec 02 09:03:51.603 INFO testing Brodin-DMS/programming_with_rust against 1.30.1 for beta-1.31-5
Dec 02 09:03:51.603 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 09:03:52.147 INFO [stdout] 85b1eff43e366ce4f14ae222ae8821da1fe59fa0a4ca2394cc486b44583c113a
Dec 02 09:03:52.149 INFO running `"docker" "start" "-a" "85b1eff43e366ce4f14ae222ae8821da1fe59fa0a4ca2394cc486b44583c113a"`
Dec 02 09:03:53.923 INFO [stderr] usermod: no changes
Dec 02 09:03:54.019 INFO [stderr]    Compiling programming_with_rust v0.1.0 (/source)
Dec 02 09:03:55.099 INFO [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time
Dec 02 09:03:55.099 INFO [stderr]  --> src/main.rs:6:5
Dec 02 09:03:55.099 INFO [stderr]   |
Dec 02 09:03:55.099 INFO [stderr] 6 |     flag: str,
Dec 02 09:03:55.099 INFO [stderr]   |     ^^^^^^^^^ doesn't have a size known at compile-time
Dec 02 09:03:55.099 INFO [stderr]   |
Dec 02 09:03:55.099 INFO [stderr]   = help: the trait `std::marker::Sized` is not implemented for `str`
Dec 02 09:03:55.099 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 02 09:03:55.099 INFO [stderr]   = note: only the last field of a struct may have a dynamically sized type
Dec 02 09:03:55.099 INFO [stderr] 
Dec 02 09:03:55.100 INFO [stderr] error: aborting due to previous error
Dec 02 09:03:55.100 INFO [stderr] 
Dec 02 09:03:55.100 INFO [stderr] For more information about this error, try `rustc --explain E0277`.
Dec 02 09:03:55.108 INFO [stderr] error: Could not compile `programming_with_rust`.
Dec 02 09:03:55.108 INFO [stderr] 
Dec 02 09:03:55.108 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 09:03:55.109 INFO [stderr] su: No module specific data is present
Dec 02 09:03:56.084 INFO running `"docker" "inspect" "85b1eff43e366ce4f14ae222ae8821da1fe59fa0a4ca2394cc486b44583c113a"`
Dec 02 09:03:56.381 INFO running `"docker" "rm" "-f" "85b1eff43e366ce4f14ae222ae8821da1fe59fa0a4ca2394cc486b44583c113a"`
Dec 02 09:03:56.779 INFO [stdout] 85b1eff43e366ce4f14ae222ae8821da1fe59fa0a4ca2394cc486b44583c113a