Dec 03 12:18:07.966 INFO testing fast-floats-0.1.1 against 1.30.1 for beta-1.31-5
Dec 03 12:18:07.966 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 03 12:18:08.205 INFO [stdout] 32181028e10e2da91a7688dabd0b1e41ffc2eb0fa31c33ff0802e48e7b0d32dc
Dec 03 12:18:08.212 INFO running `"docker" "start" "-a" "32181028e10e2da91a7688dabd0b1e41ffc2eb0fa31c33ff0802e48e7b0d32dc"`
Dec 03 12:18:08.634 INFO [stderr] usermod: no changes
Dec 03 12:18:08.666 INFO [stderr]    Compiling fast-floats v0.1.1 (/source)
Dec 03 12:18:08.726 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 12:18:08.726 INFO [stderr]   --> src/lib.rs:18:1
Dec 03 12:18:08.726 INFO [stderr]    |
Dec 03 12:18:08.726 INFO [stderr] 18 | #![feature(core_intrinsics)]
Dec 03 12:18:08.726 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 12:18:08.726 INFO [stderr] 
Dec 03 12:18:08.726 INFO [stderr] error: aborting due to previous error
Dec 03 12:18:08.726 INFO [stderr] 
Dec 03 12:18:08.726 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 12:18:08.731 INFO [stderr] error: Could not compile `fast-floats`.
Dec 03 12:18:08.731 INFO [stderr] 
Dec 03 12:18:08.731 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 12:18:08.732 INFO [stderr] su: No module specific data is present
Dec 03 12:18:09.147 INFO running `"docker" "inspect" "32181028e10e2da91a7688dabd0b1e41ffc2eb0fa31c33ff0802e48e7b0d32dc"`
Dec 03 12:18:09.304 INFO running `"docker" "rm" "-f" "32181028e10e2da91a7688dabd0b1e41ffc2eb0fa31c33ff0802e48e7b0d32dc"`
Dec 03 12:18:09.451 INFO [stdout] 32181028e10e2da91a7688dabd0b1e41ffc2eb0fa31c33ff0802e48e7b0d32dc