Dec 03 12:22:22.636 INFO testing ezing-0.2.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 12:22:22.636 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 12:22:23.247 INFO [stdout] d7ce4528b3f4af9be79dafcf3dc3bd4f7916a8541a0b534f32b480456d734d80
Dec 03 12:22:23.252 INFO running `"docker" "start" "-a" "d7ce4528b3f4af9be79dafcf3dc3bd4f7916a8541a0b534f32b480456d734d80"`
Dec 03 12:22:25.039 INFO [stderr] usermod: no changes
Dec 03 12:22:25.187 INFO [stderr]    Compiling ezing v0.2.1 (/source)
Dec 03 12:22:26.215 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Dec 03 12:22:26.255 INFO [stderr] su: No module specific data is present
Dec 03 12:22:27.355 INFO running `"docker" "inspect" "d7ce4528b3f4af9be79dafcf3dc3bd4f7916a8541a0b534f32b480456d734d80"`
Dec 03 12:22:27.649 INFO running `"docker" "rm" "-f" "d7ce4528b3f4af9be79dafcf3dc3bd4f7916a8541a0b534f32b480456d734d80"`
Dec 03 12:22:27.946 INFO [stdout] d7ce4528b3f4af9be79dafcf3dc3bd4f7916a8541a0b534f32b480456d734d80
Dec 03 12:22:27.949 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 12:22:28.382 INFO [stdout] d411ba3efd49e1842e18f3fb3cc1bafb0c5cb4ea3e73589961d8746a55eb3cfb
Dec 03 12:22:28.384 INFO running `"docker" "start" "-a" "d411ba3efd49e1842e18f3fb3cc1bafb0c5cb4ea3e73589961d8746a55eb3cfb"`
Dec 03 12:22:29.939 INFO [stderr] usermod: no changes
Dec 03 12:22:30.179 INFO [stderr]    Compiling freetype-sys v0.6.0
Dec 03 12:22:30.187 INFO [stderr]    Compiling glutin v0.14.0
Dec 03 12:22:30.187 INFO [stderr]    Compiling glium v0.21.0
Dec 03 12:22:30.187 INFO [stderr]    Compiling winit v0.12.0
Dec 03 12:23:30.523 INFO [stderr]    Compiling glium_text v0.12.0
Dec 03 12:23:33.893 INFO [stderr]    Compiling ezing v0.2.1 (/source)
Dec 03 12:23:34.931 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 12:23:34.931 INFO [stderr]  --> src/lib.rs:5:19
Dec 03 12:23:34.931 INFO [stderr]   |
Dec 03 12:23:34.931 INFO [stderr] 5 | #![cfg_attr(test, feature(concat_idents))]
Dec 03 12:23:34.931 INFO [stderr]   |                   ^^^^^^^^^^^^^^^^^^^^^^
Dec 03 12:23:34.931 INFO [stderr] 
Dec 03 12:23:34.933 INFO [stderr] error: aborting due to previous error
Dec 03 12:23:34.933 INFO [stderr] 
Dec 03 12:23:34.933 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 12:23:34.947 INFO [stderr] error: Could not compile `ezing`.
Dec 03 12:23:34.947 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 12:23:43.153 INFO [stderr] error: build failed
Dec 03 12:23:43.156 INFO [stderr] su: No module specific data is present
Dec 03 12:23:44.122 INFO running `"docker" "inspect" "d411ba3efd49e1842e18f3fb3cc1bafb0c5cb4ea3e73589961d8746a55eb3cfb"`
Dec 03 12:23:44.571 INFO running `"docker" "rm" "-f" "d411ba3efd49e1842e18f3fb3cc1bafb0c5cb4ea3e73589961d8746a55eb3cfb"`
Dec 03 12:23:44.989 INFO [stdout] d411ba3efd49e1842e18f3fb3cc1bafb0c5cb4ea3e73589961d8746a55eb3cfb