Dec 03 16:52:55.038 INFO testing cargo-src-0.1.5 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 16:52:55.038 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 16:52:55.579 INFO [stdout] b3b9c373b1c54aa025528ae88f3248396432f9e1bed3182c3dc26133623d01ea
Dec 03 16:52:55.584 INFO running `"docker" "start" "-a" "b3b9c373b1c54aa025528ae88f3248396432f9e1bed3182c3dc26133623d01ea"`
Dec 03 16:52:56.799 INFO [stderr] usermod: no changes
Dec 03 16:52:57.295 INFO [stderr]    Compiling rls-blacklist v0.1.3
Dec 03 16:52:57.317 INFO [stderr]    Compiling rls-span v0.4.0
Dec 03 16:52:57.347 INFO [stderr]    Compiling rustdoc-highlight v0.1.5
Dec 03 16:52:57.347 INFO [stderr]    Compiling cargo-src v0.1.5 (/source)
Dec 03 16:52:57.347 INFO [stderr]    Compiling derive-new v0.5.6
Dec 03 16:52:57.347 INFO [stderr]    Compiling comrak v0.2.14
Dec 03 16:52:57.347 INFO [stderr]    Compiling tokio-core v0.1.17
Dec 03 16:53:01.635 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 16:53:01.635 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rls-span-0.4.0/src/lib.rs:12:1
Dec 03 16:53:01.635 INFO [stderr]    |
Dec 03 16:53:01.636 INFO [stderr] 12 | #![feature(proc_macro)]
Dec 03 16:53:01.636 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 16:53:01.655 INFO [stderr] 
Dec 03 16:53:01.659 INFO [stderr] error: aborting due to previous error
Dec 03 16:53:01.659 INFO [stderr] 
Dec 03 16:53:01.659 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 16:53:01.680 INFO [stderr] error: Could not compile `rls-span`.
Dec 03 16:53:01.680 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 16:53:07.018 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 16:53:07.018 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustdoc-highlight-0.1.5/src/lib.rs:23:1
Dec 03 16:53:07.018 INFO [stderr]    |
Dec 03 16:53:07.018 INFO [stderr] 23 | #![feature(rustc_private)]
Dec 03 16:53:07.018 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 16:53:07.018 INFO [stderr] 
Dec 03 16:53:07.023 INFO [stderr] error: aborting due to previous error
Dec 03 16:53:07.023 INFO [stderr] 
Dec 03 16:53:07.023 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 16:53:07.027 INFO [stderr] error: Could not compile `rustdoc-highlight`.
Dec 03 16:53:07.027 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 16:53:32.132 INFO [stderr] error: build failed
Dec 03 16:53:32.134 INFO [stderr] su: No module specific data is present
Dec 03 16:53:32.769 INFO running `"docker" "inspect" "b3b9c373b1c54aa025528ae88f3248396432f9e1bed3182c3dc26133623d01ea"`
Dec 03 16:53:33.069 INFO running `"docker" "rm" "-f" "b3b9c373b1c54aa025528ae88f3248396432f9e1bed3182c3dc26133623d01ea"`
Dec 03 16:53:33.323 INFO [stdout] b3b9c373b1c54aa025528ae88f3248396432f9e1bed3182c3dc26133623d01ea