Dec 03 03:51:42.356 INFO testing kaguya_rs-0.1.5 against 1.30.1 for beta-1.31-5
Dec 03 03:51:42.356 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 03:51:42.786 INFO [stdout] 430637278b3bd3020c29a3ca4f7f4d1d0344d8812b2898fde3a49846e04ebfed
Dec 03 03:51:42.789 INFO running `"docker" "start" "-a" "430637278b3bd3020c29a3ca4f7f4d1d0344d8812b2898fde3a49846e04ebfed"`
Dec 03 03:51:43.783 INFO [stderr] usermod: no changes
Dec 03 03:51:43.835 INFO [stderr]    Compiling kaguya_rs v0.1.5 (/source)
Dec 03 03:51:44.727 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 03 03:51:44.727 INFO [stderr] su: No module specific data is present
Dec 03 03:51:45.654 INFO running `"docker" "inspect" "430637278b3bd3020c29a3ca4f7f4d1d0344d8812b2898fde3a49846e04ebfed"`
Dec 03 03:51:45.925 INFO running `"docker" "rm" "-f" "430637278b3bd3020c29a3ca4f7f4d1d0344d8812b2898fde3a49846e04ebfed"`
Dec 03 03:51:46.175 INFO [stdout] 430637278b3bd3020c29a3ca4f7f4d1d0344d8812b2898fde3a49846e04ebfed
Dec 03 03:51:46.181 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 test --frozen --no-run" "-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 03:51:46.681 INFO [stdout] 3dc28f8c32eac739e319c822b3c16e75022efad5c2365e33de2c4fee2268e4ea
Dec 03 03:51:46.683 INFO running `"docker" "start" "-a" "3dc28f8c32eac739e319c822b3c16e75022efad5c2365e33de2c4fee2268e4ea"`
Dec 03 03:51:48.152 INFO [stderr] usermod: no changes
Dec 03 03:51:48.199 INFO [stderr]    Compiling kaguya_rs v0.1.5 (/source)
Dec 03 03:51:49.607 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 03:51:49.607 INFO [stderr]  --> tests/basic_fn.rs:7:1
Dec 03 03:51:49.607 INFO [stderr]   |
Dec 03 03:51:49.607 INFO [stderr] 7 | #![feature(trace_macros)]
Dec 03 03:51:49.607 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 03:51:49.607 INFO [stderr] 
Dec 03 03:51:49.635 INFO [stderr] error: aborting due to previous error
Dec 03 03:51:49.635 INFO [stderr] 
Dec 03 03:51:49.635 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 03:51:49.675 INFO [stderr] error: Could not compile `kaguya_rs`.
Dec 03 03:51:49.675 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 03:51:50.031 INFO [stderr] error: build failed
Dec 03 03:51:50.031 INFO [stderr] su: No module specific data is present
Dec 03 03:51:51.011 INFO running `"docker" "inspect" "3dc28f8c32eac739e319c822b3c16e75022efad5c2365e33de2c4fee2268e4ea"`
Dec 03 03:51:51.287 INFO running `"docker" "rm" "-f" "3dc28f8c32eac739e319c822b3c16e75022efad5c2365e33de2c4fee2268e4ea"`
Dec 03 03:51:51.567 INFO [stdout] 3dc28f8c32eac739e319c822b3c16e75022efad5c2365e33de2c4fee2268e4ea