Dec 02 22:07:49.312 INFO testing prefetch-0.2.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 22:07:49.312 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 22:07:49.713 INFO [stdout] ded493fabf02f2ff66050b90b0fe8f8a0effaf6d1e40357a3e7c4802d5798ed3
Dec 02 22:07:49.715 INFO running `"docker" "start" "-a" "ded493fabf02f2ff66050b90b0fe8f8a0effaf6d1e40357a3e7c4802d5798ed3"`
Dec 02 22:07:50.290 INFO [stderr] usermod: no changes
Dec 02 22:07:50.317 INFO [stderr]    Compiling prefetch v0.2.0 (/source)
Dec 02 22:07:50.818 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 22:07:50.818 INFO [stderr]   --> src/lib.rs:18:1
Dec 02 22:07:50.818 INFO [stderr]    |
Dec 02 22:07:50.818 INFO [stderr] 18 | #![feature(link_llvm_intrinsics)]
Dec 02 22:07:50.818 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 22:07:50.818 INFO [stderr] 
Dec 02 22:07:50.818 INFO [stderr] error: aborting due to previous error
Dec 02 22:07:50.818 INFO [stderr] 
Dec 02 22:07:50.818 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 22:07:50.824 INFO [stderr] error: Could not compile `prefetch`.
Dec 02 22:07:50.824 INFO [stderr] 
Dec 02 22:07:50.824 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 22:07:50.825 INFO [stderr] su: No module specific data is present
Dec 02 22:07:51.048 INFO running `"docker" "inspect" "ded493fabf02f2ff66050b90b0fe8f8a0effaf6d1e40357a3e7c4802d5798ed3"`
Dec 02 22:07:51.149 INFO running `"docker" "rm" "-f" "ded493fabf02f2ff66050b90b0fe8f8a0effaf6d1e40357a3e7c4802d5798ed3"`
Dec 02 22:07:51.284 INFO [stdout] ded493fabf02f2ff66050b90b0fe8f8a0effaf6d1e40357a3e7c4802d5798ed3
