Dec 01 08:15:19.406 INFO testing museun/rcc against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 08:15:19.406 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 01 08:15:19.959 INFO [stdout] d4d7caf4798352cbe950ad0d254373a641d3fa90cd2c7b48dc3ce6f9efb0f87d
Dec 01 08:15:19.965 INFO running `"docker" "start" "-a" "d4d7caf4798352cbe950ad0d254373a641d3fa90cd2c7b48dc3ce6f9efb0f87d"`
Dec 01 08:15:21.519 INFO [stderr] usermod: no changes
Dec 01 08:15:21.615 INFO [stderr]    Compiling rcc v0.1.0 (/source)
Dec 01 08:15:22.011 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 08:15:22.011 INFO [stderr]   --> build.rs:35:5
Dec 01 08:15:22.011 INFO [stderr]    |
Dec 01 08:15:22.011 INFO [stderr] 35 | /     writeln!(
Dec 01 08:15:22.011 INFO [stderr] 36 | |         f,
Dec 01 08:15:22.011 INFO [stderr] 37 | |         r###"#[test]
Dec 01 08:15:22.011 INFO [stderr] 38 | | fn test_{:04}() {{
Dec 01 08:15:22.011 INFO [stderr] ...  |
Dec 01 08:15:22.011 INFO [stderr] 46 | |         n, source, expected, n, n
Dec 01 08:15:22.011 INFO [stderr] 47 | |     );
Dec 01 08:15:22.011 INFO [stderr]    | |______^
Dec 01 08:15:22.011 INFO [stderr]    |
Dec 01 08:15:22.011 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 08:15:22.011 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 08:15:22.011 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 08:15:22.011 INFO [stderr] 
Dec 01 08:15:22.011 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 08:15:22.011 INFO [stderr]   --> build.rs:77:5
Dec 01 08:15:22.011 INFO [stderr]    |
Dec 01 08:15:22.011 INFO [stderr] 77 |     write!(f, "{}", "// nothing to see here");
Dec 01 08:15:22.011 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:15:22.011 INFO [stderr]    |
Dec 01 08:15:22.011 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 08:15:22.012 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 01 08:15:22.012 INFO [stderr] 
Dec 01 08:15:22.817 INFO [stderr] warning: unknown lint: `cyclomatic_complexity`
Dec 01 08:15:22.817 INFO [stderr]  --> src/semantics.rs:1:10
Dec 01 08:15:22.817 INFO [stderr]   |
Dec 01 08:15:22.818 INFO [stderr] 1 | #![allow(cyclomatic_complexity)]
Dec 01 08:15:22.818 INFO [stderr]   |          ^^^^^^^^^^^^^^^^^^^^^
Dec 01 08:15:22.818 INFO [stderr]   |
Dec 01 08:15:22.818 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 01 08:15:22.818 INFO [stderr] 
Dec 01 08:15:23.131 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 08:15:23.131 INFO [stderr]  --> src/lib.rs:2:1
Dec 01 08:15:23.131 INFO [stderr]   |
Dec 01 08:15:23.131 INFO [stderr] 2 | #![feature(nll)]
Dec 01 08:15:23.131 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 01 08:15:23.131 INFO [stderr] 
Dec 01 08:15:23.147 INFO [stderr] error: aborting due to previous error
Dec 01 08:15:23.147 INFO [stderr] 
Dec 01 08:15:23.147 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 08:15:23.156 INFO [stderr] error: Could not compile `rcc`.
Dec 01 08:15:23.156 INFO [stderr] 
Dec 01 08:15:23.156 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 08:15:23.158 INFO [stderr] su: No module specific data is present
Dec 01 08:15:23.875 INFO running `"docker" "inspect" "d4d7caf4798352cbe950ad0d254373a641d3fa90cd2c7b48dc3ce6f9efb0f87d"`
Dec 01 08:15:24.147 INFO running `"docker" "rm" "-f" "d4d7caf4798352cbe950ad0d254373a641d3fa90cd2c7b48dc3ce6f9efb0f87d"`
Dec 01 08:15:24.440 INFO [stdout] d4d7caf4798352cbe950ad0d254373a641d3fa90cd2c7b48dc3ce6f9efb0f87d
