Dec 02 23:36:21.020 INFO testing out-0.5.8 against 1.30.1 for beta-1.31-5
Dec 02 23:36:21.020 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 23:36:21.397 INFO [stdout] ff93ccceee24d52e7dba2901004e30abb6ffc492097c46b3931421f2277ca526
Dec 02 23:36:21.399 INFO running `"docker" "start" "-a" "ff93ccceee24d52e7dba2901004e30abb6ffc492097c46b3931421f2277ca526"`
Dec 02 23:36:22.155 INFO [stderr] usermod: no changes
Dec 02 23:36:22.231 INFO [stderr]    Compiling out v0.5.8 (/source)
Dec 02 23:36:22.996 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 02 23:36:22.999 INFO [stderr] su: No module specific data is present
Dec 02 23:36:23.551 INFO running `"docker" "inspect" "ff93ccceee24d52e7dba2901004e30abb6ffc492097c46b3931421f2277ca526"`
Dec 02 23:36:23.695 INFO running `"docker" "rm" "-f" "ff93ccceee24d52e7dba2901004e30abb6ffc492097c46b3931421f2277ca526"`
Dec 02 23:36:23.938 INFO [stdout] ff93ccceee24d52e7dba2901004e30abb6ffc492097c46b3931421f2277ca526
Dec 02 23:36:23.940 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 23:36:24.215 INFO [stdout] 7462f6224c7eb5b70370bbffc74e9d2dd2780edab456b1ed15fdf48f1e3f9528
Dec 02 23:36:24.216 INFO running `"docker" "start" "-a" "7462f6224c7eb5b70370bbffc74e9d2dd2780edab456b1ed15fdf48f1e3f9528"`
Dec 02 23:36:24.907 INFO [stderr] usermod: no changes
Dec 02 23:36:25.027 INFO [stderr]    Compiling env_logger v0.5.13
Dec 02 23:36:27.695 INFO [stderr]    Compiling quickcheck v0.7.2
Dec 02 23:36:31.860 INFO [stderr]    Compiling quickcheck_macros v0.7.0
Dec 02 23:36:37.535 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 23:36:37.535 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck_macros-0.7.0/src/lib.rs:8:1
Dec 02 23:36:37.535 INFO [stderr]   |
Dec 02 23:36:37.535 INFO [stderr] 8 | #![feature(plugin_registrar, rustc_private)]
Dec 02 23:36:37.535 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 23:36:37.535 INFO [stderr] 
Dec 02 23:36:37.535 INFO [stderr] error: aborting due to previous error
Dec 02 23:36:37.535 INFO [stderr] 
Dec 02 23:36:37.535 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 23:36:37.551 INFO [stderr] error: Could not compile `quickcheck_macros`.
Dec 02 23:36:37.551 INFO [stderr] 
Dec 02 23:36:37.551 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 23:36:37.551 INFO [stderr] su: No module specific data is present
Dec 02 23:36:38.444 INFO running `"docker" "inspect" "7462f6224c7eb5b70370bbffc74e9d2dd2780edab456b1ed15fdf48f1e3f9528"`
Dec 02 23:36:38.905 INFO running `"docker" "rm" "-f" "7462f6224c7eb5b70370bbffc74e9d2dd2780edab456b1ed15fdf48f1e3f9528"`
Dec 02 23:36:39.183 INFO [stdout] 7462f6224c7eb5b70370bbffc74e9d2dd2780edab456b1ed15fdf48f1e3f9528