Dec 02 20:04:05.659 INFO testing robo6502-0.3.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 20:04:05.659 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 20:04:06.091 INFO [stdout] ccde109e30088919b41549e701b8e5abb7dd3b2e371aa3035e26f3e4cbdc4d79
Dec 02 20:04:06.095 INFO running `"docker" "start" "-a" "ccde109e30088919b41549e701b8e5abb7dd3b2e371aa3035e26f3e4cbdc4d79"`
Dec 02 20:04:06.929 INFO [stderr] usermod: no changes
Dec 02 20:04:06.969 INFO [stderr]    Compiling machine_int v0.1.2
Dec 02 20:04:08.562 INFO [stderr]    Compiling robo6502 v0.3.1 (/source)
Dec 02 20:04:13.359 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.41s
Dec 02 20:04:13.362 INFO [stderr] su: No module specific data is present
Dec 02 20:04:13.805 INFO running `"docker" "inspect" "ccde109e30088919b41549e701b8e5abb7dd3b2e371aa3035e26f3e4cbdc4d79"`
Dec 02 20:04:13.930 INFO running `"docker" "rm" "-f" "ccde109e30088919b41549e701b8e5abb7dd3b2e371aa3035e26f3e4cbdc4d79"`
Dec 02 20:04:14.093 INFO [stdout] ccde109e30088919b41549e701b8e5abb7dd3b2e371aa3035e26f3e4cbdc4d79
Dec 02 20:04:14.096 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 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 20:04:14.399 INFO [stdout] 455f974a319435808b4c46f904b67f583078fa5612f861c236828f15d2d59426
Dec 02 20:04:14.401 INFO running `"docker" "start" "-a" "455f974a319435808b4c46f904b67f583078fa5612f861c236828f15d2d59426"`
Dec 02 20:04:14.972 INFO [stderr] usermod: no changes
Dec 02 20:04:14.997 INFO [stderr]    Compiling robo6502 v0.3.1 (/source)
Dec 02 20:04:15.720 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 20:04:15.720 INFO [stderr]  --> examples/benchmark.rs:1:1
Dec 02 20:04:15.720 INFO [stderr]   |
Dec 02 20:04:15.720 INFO [stderr] 1 | #![feature(duration_as_u128)]
Dec 02 20:04:15.720 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 20:04:15.720 INFO [stderr] 
Dec 02 20:04:15.720 INFO [stderr] error: aborting due to previous error
Dec 02 20:04:15.720 INFO [stderr] 
Dec 02 20:04:15.720 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 20:04:15.731 INFO [stderr] error: Could not compile `robo6502`.
Dec 02 20:04:15.731 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 20:04:29.086 INFO [stderr] error: build failed
Dec 02 20:04:29.087 INFO [stderr] su: No module specific data is present
Dec 02 20:04:29.668 INFO running `"docker" "inspect" "455f974a319435808b4c46f904b67f583078fa5612f861c236828f15d2d59426"`
Dec 02 20:04:29.787 INFO running `"docker" "rm" "-f" "455f974a319435808b4c46f904b67f583078fa5612f861c236828f15d2d59426"`
Dec 02 20:04:29.915 INFO [stdout] 455f974a319435808b4c46f904b67f583078fa5612f861c236828f15d2d59426