Dec 03 10:47:03.691 INFO testing gherkin_rust-0.4.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 10:47:03.692 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 10:47:04.161 INFO [stdout] fecb68fcf8644705ca4e43de57992a7288c03be1b9a20cffec6a1140d25cf138
Dec 03 10:47:04.162 INFO running `"docker" "start" "-a" "fecb68fcf8644705ca4e43de57992a7288c03be1b9a20cffec6a1140d25cf138"`
Dec 03 10:47:05.273 INFO [stderr] usermod: no changes
Dec 03 10:47:05.380 INFO [stderr]    Compiling gherkin_rust v0.4.1 (/source)
Dec 03 10:47:12.579 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.28s
Dec 03 10:47:12.582 INFO [stderr] su: No module specific data is present
Dec 03 10:47:13.173 INFO running `"docker" "inspect" "fecb68fcf8644705ca4e43de57992a7288c03be1b9a20cffec6a1140d25cf138"`
Dec 03 10:47:13.385 INFO running `"docker" "rm" "-f" "fecb68fcf8644705ca4e43de57992a7288c03be1b9a20cffec6a1140d25cf138"`
Dec 03 10:47:13.720 INFO [stdout] fecb68fcf8644705ca4e43de57992a7288c03be1b9a20cffec6a1140d25cf138
Dec 03 10:47:13.725 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 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 03 10:47:14.167 INFO [stdout] 9f29b08e6d497a01c1bfe8c4a63b84454bde517bab3e8b286c7a7f61cacbf37b
Dec 03 10:47:14.171 INFO running `"docker" "start" "-a" "9f29b08e6d497a01c1bfe8c4a63b84454bde517bab3e8b286c7a7f61cacbf37b"`
Dec 03 10:47:15.255 INFO [stderr] usermod: no changes
Dec 03 10:47:15.383 INFO [stderr]    Compiling gherkin_rust v0.3.1
Dec 03 10:47:20.211 INFO [stderr]    Compiling cucumber_rust v0.3.4
Dec 03 10:47:22.569 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 10:47:22.569 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/cucumber_rust-0.3.4/src/lib.rs:9:1
Dec 03 10:47:22.569 INFO [stderr]   |
Dec 03 10:47:22.569 INFO [stderr] 9 | #![feature(set_stdio)]
Dec 03 10:47:22.569 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 03 10:47:22.569 INFO [stderr] 
Dec 03 10:47:22.569 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 10:47:22.569 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/cucumber_rust-0.3.4/src/lib.rs:10:1
Dec 03 10:47:22.569 INFO [stderr]    |
Dec 03 10:47:22.569 INFO [stderr] 10 | #![feature(fnbox)]
Dec 03 10:47:22.569 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 03 10:47:22.569 INFO [stderr] 
Dec 03 10:47:22.571 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 10:47:22.571 INFO [stderr] 
Dec 03 10:47:22.571 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 10:47:22.579 INFO [stderr] error: Could not compile `cucumber_rust`.
Dec 03 10:47:22.579 INFO [stderr] 
Dec 03 10:47:22.579 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 10:47:22.580 INFO [stderr] su: No module specific data is present
Dec 03 10:47:23.167 INFO running `"docker" "inspect" "9f29b08e6d497a01c1bfe8c4a63b84454bde517bab3e8b286c7a7f61cacbf37b"`
Dec 03 10:47:23.499 INFO running `"docker" "rm" "-f" "9f29b08e6d497a01c1bfe8c4a63b84454bde517bab3e8b286c7a7f61cacbf37b"`
Dec 03 10:47:23.775 INFO [stdout] 9f29b08e6d497a01c1bfe8c4a63b84454bde517bab3e8b286c7a7f61cacbf37b