Dec 02 05:48:04.041 INFO testing LouisBrunner/rusty-ports against 1.30.1 for beta-1.31-5
Dec 02 05:48:04.041 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 05:48:04.471 INFO [stdout] a963f4d931403f73da80b2727fdba84e125874ce3dafdff19d8c76a081c02144
Dec 02 05:48:04.477 INFO running `"docker" "start" "-a" "a963f4d931403f73da80b2727fdba84e125874ce3dafdff19d8c76a081c02144"`
Dec 02 05:48:06.287 INFO [stderr] usermod: no changes
Dec 02 05:48:06.493 INFO [stderr]    Compiling itertools v0.4.19
Dec 02 05:48:06.503 INFO [stderr]    Compiling ctrlc v3.1.1
Dec 02 05:48:09.283 INFO [stderr]    Compiling mockers_derive v0.12.2
Dec 02 05:48:17.475 INFO [stderr]    Compiling rusty-ports v0.1.0 (/source)
Dec 02 05:48:21.747 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.43s
Dec 02 05:48:21.752 INFO [stderr] su: No module specific data is present
Dec 02 05:48:22.680 INFO running `"docker" "inspect" "a963f4d931403f73da80b2727fdba84e125874ce3dafdff19d8c76a081c02144"`
Dec 02 05:48:22.945 INFO running `"docker" "rm" "-f" "a963f4d931403f73da80b2727fdba84e125874ce3dafdff19d8c76a081c02144"`
Dec 02 05:48:23.315 INFO [stdout] a963f4d931403f73da80b2727fdba84e125874ce3dafdff19d8c76a081c02144
Dec 02 05:48:23.321 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 05:48:23.931 INFO [stdout] c1650ac2bb3df1ac3d7c4934e4d369ad96d2588b065c1c8b0c275739b6b957c5
Dec 02 05:48:23.933 INFO running `"docker" "start" "-a" "c1650ac2bb3df1ac3d7c4934e4d369ad96d2588b065c1c8b0c275739b6b957c5"`
Dec 02 05:48:26.255 INFO [stderr] usermod: no changes
Dec 02 05:48:26.353 INFO [stderr]    Compiling mockers v0.12.2
Dec 02 05:48:26.353 INFO [stderr]    Compiling mockstream v0.0.3
Dec 02 05:48:26.999 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 05:48:26.999 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/mockers-0.12.2/src/lib.rs:1:1
Dec 02 05:48:26.999 INFO [stderr]   |
Dec 02 05:48:26.999 INFO [stderr] 1 | #![feature(fnbox, alloc, specialization)]
Dec 02 05:48:26.999 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 05:48:26.999 INFO [stderr] 
Dec 02 05:48:27.002 INFO [stderr] error: aborting due to previous error
Dec 02 05:48:27.003 INFO [stderr] 
Dec 02 05:48:27.003 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 05:48:27.010 INFO [stderr] error: Could not compile `mockers`.
Dec 02 05:48:27.011 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 05:48:27.709 INFO [stderr] error: build failed
Dec 02 05:48:27.712 INFO [stderr] su: No module specific data is present
Dec 02 05:48:28.919 INFO running `"docker" "inspect" "c1650ac2bb3df1ac3d7c4934e4d369ad96d2588b065c1c8b0c275739b6b957c5"`
Dec 02 05:48:29.275 INFO running `"docker" "rm" "-f" "c1650ac2bb3df1ac3d7c4934e4d369ad96d2588b065c1c8b0c275739b6b957c5"`
Dec 02 05:48:29.614 INFO [stdout] c1650ac2bb3df1ac3d7c4934e4d369ad96d2588b065c1c8b0c275739b6b957c5