Dec 02 15:26:55.428 INFO testing stderr-logging-0.0.1 against 1.30.1 for beta-1.31-5
Dec 02 15:26:55.429 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 02 15:26:55.668 INFO [stdout] c84e4d473907313f726cb64314f1599c575341bea7d41d49c04862490299ed8b
Dec 02 15:26:55.670 INFO running `"docker" "start" "-a" "c84e4d473907313f726cb64314f1599c575341bea7d41d49c04862490299ed8b"`
Dec 02 15:26:56.147 INFO [stderr] usermod: no changes
Dec 02 15:26:56.223 INFO [stderr]    Compiling rust-extra v0.0.13
Dec 02 15:26:56.751 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 15:26:56.751 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-extra-0.0.13/src/lib.rs:7:1
Dec 02 15:26:56.751 INFO [stderr]   |
Dec 02 15:26:56.751 INFO [stderr] 7 | #![feature(core_intrinsics)]
Dec 02 15:26:56.751 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 15:26:56.751 INFO [stderr] 
Dec 02 15:26:56.751 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 15:26:56.751 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-extra-0.0.13/src/lib.rs:8:1
Dec 02 15:26:56.751 INFO [stderr]   |
Dec 02 15:26:56.751 INFO [stderr] 8 | #![feature(associated_consts)]
Dec 02 15:26:56.751 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 15:26:56.751 INFO [stderr] 
Dec 02 15:26:56.753 INFO [stderr] error: aborting due to 2 previous errors
Dec 02 15:26:56.753 INFO [stderr] 
Dec 02 15:26:56.753 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 15:26:56.759 INFO [stderr] error: Could not compile `rust-extra`.
Dec 02 15:26:56.759 INFO [stderr] 
Dec 02 15:26:56.759 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 15:26:56.762 INFO [stderr] su: No module specific data is present
Dec 02 15:26:57.088 INFO running `"docker" "inspect" "c84e4d473907313f726cb64314f1599c575341bea7d41d49c04862490299ed8b"`
Dec 02 15:26:57.215 INFO running `"docker" "rm" "-f" "c84e4d473907313f726cb64314f1599c575341bea7d41d49c04862490299ed8b"`
Dec 02 15:26:57.310 INFO [stdout] c84e4d473907313f726cb64314f1599c575341bea7d41d49c04862490299ed8b