Dec 02 22:05:37.421 INFO testing pretty_toa-1.0.0 against 1.30.1 for beta-1.31-5
Dec 02 22:05:37.421 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 22:05:37.916 INFO [stdout] c4c19054cded1b520060545fdb166f16b68b16277bfaa247e3afc55ce10f2d54
Dec 02 22:05:37.918 INFO running `"docker" "start" "-a" "c4c19054cded1b520060545fdb166f16b68b16277bfaa247e3afc55ce10f2d54"`
Dec 02 22:05:39.963 INFO [stderr] usermod: no changes
Dec 02 22:05:40.019 INFO [stderr]    Compiling pretty_toa v1.0.0 (/source)
Dec 02 22:05:41.427 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
Dec 02 22:05:41.427 INFO [stderr] su: No module specific data is present
Dec 02 22:05:42.271 INFO running `"docker" "inspect" "c4c19054cded1b520060545fdb166f16b68b16277bfaa247e3afc55ce10f2d54"`
Dec 02 22:05:42.523 INFO running `"docker" "rm" "-f" "c4c19054cded1b520060545fdb166f16b68b16277bfaa247e3afc55ce10f2d54"`
Dec 02 22:05:42.804 INFO [stdout] c4c19054cded1b520060545fdb166f16b68b16277bfaa247e3afc55ce10f2d54
Dec 02 22:05:42.809 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 02 22:05:43.323 INFO [stdout] df52b57f2cf9400e55cbc3be6454e2fb5617e13446b51eb2afdfbe12be8858a2
Dec 02 22:05:43.329 INFO running `"docker" "start" "-a" "df52b57f2cf9400e55cbc3be6454e2fb5617e13446b51eb2afdfbe12be8858a2"`
Dec 02 22:05:44.244 INFO [stderr] usermod: no changes
Dec 02 22:05:44.282 INFO [stderr]    Compiling pretty_toa v1.0.0 (/source)
Dec 02 22:05:45.613 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 22:05:45.614 INFO [stderr]  --> tests/tests.rs:1:1
Dec 02 22:05:45.614 INFO [stderr]   |
Dec 02 22:05:45.614 INFO [stderr] 1 | #![feature(test)]
Dec 02 22:05:45.614 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 02 22:05:45.614 INFO [stderr] 
Dec 02 22:05:45.623 INFO [stderr] error: aborting due to previous error
Dec 02 22:05:45.623 INFO [stderr] 
Dec 02 22:05:45.623 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 22:05:45.623 INFO [stderr] error: Could not compile `pretty_toa`.
Dec 02 22:05:45.623 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 22:05:45.821 INFO [stderr] error: build failed
Dec 02 22:05:45.823 INFO [stderr] su: No module specific data is present
Dec 02 22:05:46.202 INFO running `"docker" "inspect" "df52b57f2cf9400e55cbc3be6454e2fb5617e13446b51eb2afdfbe12be8858a2"`
Dec 02 22:05:46.457 INFO running `"docker" "rm" "-f" "df52b57f2cf9400e55cbc3be6454e2fb5617e13446b51eb2afdfbe12be8858a2"`
Dec 02 22:05:46.670 INFO [stdout] df52b57f2cf9400e55cbc3be6454e2fb5617e13446b51eb2afdfbe12be8858a2