Nov 01 01:46:50.180 INFO testing neosam/textgame against 1.30.0 for beta-1.31-1
Nov 01 01:46:50.180 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-7/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-1/1.30.0:/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 +1.30.0 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"`
Nov 01 01:46:50.431 INFO blam! 7797083f15adf9f3c1387e7fb20dcaa8b6e7b8f32036358bea778b94b635e6bb
Nov 01 01:46:50.437 INFO running `"docker" "start" "-a" "7797083f15adf9f3c1387e7fb20dcaa8b6e7b8f32036358bea778b94b635e6bb"`
Nov 01 01:46:51.093 INFO kablam! usermod: no changes
Nov 01 01:46:51.156 INFO kablam!    Compiling serde_json v0.8.4
Nov 01 01:46:51.163 INFO kablam!    Compiling serde_derive v0.8.19
Nov 01 01:46:52.551 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 01 01:46:52.551 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-0.8.19/src/lib.rs:1:1
Nov 01 01:46:52.552 INFO kablam!   |
Nov 01 01:46:52.552 INFO kablam! 1 | #![feature(proc_macro, proc_macro_lib)]
Nov 01 01:46:52.552 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 01:46:52.553 INFO kablam! 
Nov 01 01:46:52.553 INFO kablam! error: aborting due to previous error
Nov 01 01:46:52.553 INFO kablam! 
Nov 01 01:46:52.553 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 01 01:46:52.563 INFO kablam! error: Could not compile `serde_derive`.
Nov 01 01:46:52.563 INFO kablam! warning: build failed, waiting for other jobs to finish...
Nov 01 01:46:53.477 INFO kablam! error: build failed
Nov 01 01:46:53.478 INFO kablam! su: No module specific data is present
Nov 01 01:46:53.885 INFO running `"docker" "rm" "-f" "7797083f15adf9f3c1387e7fb20dcaa8b6e7b8f32036358bea778b94b635e6bb"`
Nov 01 01:46:54.098 INFO blam! 7797083f15adf9f3c1387e7fb20dcaa8b6e7b8f32036358bea778b94b635e6bb
