Dec 02 15:52:56.214 INFO testing specs_transform-0.4.3 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 15:52:56.214 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 02 15:52:56.654 INFO [stdout] 1f3b5d65e4dbec128be4783474f0c9a1c3538ccfb904acef23b55fa94cd7fbb2
Dec 02 15:52:56.659 INFO running `"docker" "start" "-a" "1f3b5d65e4dbec128be4783474f0c9a1c3538ccfb904acef23b55fa94cd7fbb2"`
Dec 02 15:52:57.654 INFO [stderr] usermod: no changes
Dec 02 15:52:57.844 INFO [stderr]    Compiling type-name v0.1.0
Dec 02 15:52:57.855 INFO [stderr]    Compiling crossbeam-epoch v0.5.2
Dec 02 15:52:57.855 INFO [stderr]    Compiling crossbeam-epoch v0.6.1
Dec 02 15:52:57.863 INFO [stderr]    Compiling vec3 v0.2.1
Dec 02 15:52:57.863 INFO [stderr]    Compiling parking_lot v0.5.5
Dec 02 15:52:57.863 INFO [stderr]    Compiling shred-derive v0.5.1
Dec 02 15:52:57.863 INFO [stderr]    Compiling shred v0.7.1
Dec 02 15:52:57.863 INFO [stderr]    Compiling hibitset v0.5.3
Dec 02 15:52:58.007 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 15:52:58.007 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/type-name-0.1.0/src/lib.rs:4:1
Dec 02 15:52:58.007 INFO [stderr]   |
Dec 02 15:52:58.007 INFO [stderr] 4 | #![feature(core_intrinsics)]
Dec 02 15:52:58.007 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 15:52:58.007 INFO [stderr] 
Dec 02 15:52:58.007 INFO [stderr] error: aborting due to previous error
Dec 02 15:52:58.007 INFO [stderr] 
Dec 02 15:52:58.007 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 15:52:58.018 INFO [stderr] error: Could not compile `type-name`.
Dec 02 15:52:58.018 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 15:53:11.401 INFO [stderr] error: build failed
Dec 02 15:53:11.403 INFO [stderr] su: No module specific data is present
Dec 02 15:53:12.340 INFO running `"docker" "inspect" "1f3b5d65e4dbec128be4783474f0c9a1c3538ccfb904acef23b55fa94cd7fbb2"`
Dec 02 15:53:12.692 INFO running `"docker" "rm" "-f" "1f3b5d65e4dbec128be4783474f0c9a1c3538ccfb904acef23b55fa94cd7fbb2"`
Dec 02 15:53:13.063 INFO [stdout] 1f3b5d65e4dbec128be4783474f0c9a1c3538ccfb904acef23b55fa94cd7fbb2