Dec 01 23:07:16.900 INFO testing bjackson/iridium against 1.30.1 for beta-1.31-5
Dec 01 23:07:16.900 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 01 23:07:17.084 INFO [stdout] 3634ea4ce7f8ab6cb829cb78754b9a463b9a461053e1c0e3095069b9e1b11337
Dec 01 23:07:17.088 INFO running `"docker" "start" "-a" "3634ea4ce7f8ab6cb829cb78754b9a463b9a461053e1c0e3095069b9e1b11337"`
Dec 01 23:07:17.537 INFO [stderr] usermod: no changes
Dec 01 23:07:17.593 INFO [stderr]    Compiling num-complex v0.2.0
Dec 01 23:07:17.593 INFO [stderr]    Compiling num-bigint v0.2.0
Dec 01 23:07:17.594 INFO [stderr]    Compiling num-iter v0.1.37
Dec 01 23:07:20.381 INFO [stderr]    Compiling num-rational v0.2.1
Dec 01 23:07:22.454 INFO [stderr]    Compiling num v0.2.0
Dec 01 23:07:22.871 INFO [stderr]    Compiling iridium v0.1.0 (/source)
Dec 01 23:07:23.531 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 23:07:23.531 INFO [stderr]  --> src/main.rs:1:1
Dec 01 23:07:23.531 INFO [stderr]   |
Dec 01 23:07:23.531 INFO [stderr] 1 | #![feature(extern_prelude)]
Dec 01 23:07:23.531 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 23:07:23.531 INFO [stderr] 
Dec 01 23:07:23.535 INFO [stderr] error: aborting due to previous error
Dec 01 23:07:23.535 INFO [stderr] 
Dec 01 23:07:23.535 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 23:07:23.539 INFO [stderr] error: Could not compile `iridium`.
Dec 01 23:07:23.539 INFO [stderr] 
Dec 01 23:07:23.539 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 23:07:23.539 INFO [stderr] su: No module specific data is present
Dec 01 23:07:24.023 INFO running `"docker" "inspect" "3634ea4ce7f8ab6cb829cb78754b9a463b9a461053e1c0e3095069b9e1b11337"`
Dec 01 23:07:24.236 INFO running `"docker" "rm" "-f" "3634ea4ce7f8ab6cb829cb78754b9a463b9a461053e1c0e3095069b9e1b11337"`
Dec 01 23:07:24.387 INFO [stdout] 3634ea4ce7f8ab6cb829cb78754b9a463b9a461053e1c0e3095069b9e1b11337
