Aug 29 21:47:49.299 INFO checking zmq-rs-0.1.8 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707 Aug 29 21:47:49.299 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets Aug 29 21:47:49.299 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-1/master#ede55518431154bc761f7b2438cce9078c162700:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Aug 29 21:47:49.490 INFO blam! 76a135f679b3efff39261b38c3772549bbf751b657cea6e3ce4c35beae1ed6f3 Aug 29 21:47:49.492 INFO running `"docker" "start" "-a" "76a135f679b3efff39261b38c3772549bbf751b657cea6e3ce4c35beae1ed6f3"` Aug 29 21:47:50.088 INFO kablam! Compiling zmq-ffi v0.1.3 Aug 29 21:47:50.818 INFO kablam! Checking zmq-rs v0.1.8 (file:///source) Aug 29 21:47:52.586 INFO kablam! warning: variable does not need to be mutable Aug 29 21:47:52.586 INFO kablam! --> examples/zguide/hwserver.rs:8:9 Aug 29 21:47:52.586 INFO kablam! | Aug 29 21:47:52.586 INFO kablam! 8 | let mut context = zmq::Context::new().unwrap(); Aug 29 21:47:52.586 INFO kablam! | ----^^^^^^^ Aug 29 21:47:52.586 INFO kablam! | | Aug 29 21:47:52.586 INFO kablam! | help: remove this `mut` Aug 29 21:47:52.589 INFO kablam! | Aug 29 21:47:52.589 INFO kablam! = note: #[warn(unused_mut)] on by default Aug 29 21:47:52.589 INFO kablam! Aug 29 21:47:52.664 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 2.59s Aug 29 21:47:52.669 INFO kablam! su: No module specific data is present Aug 29 21:47:53.177 INFO running `"docker" "rm" "-f" "76a135f679b3efff39261b38c3772549bbf751b657cea6e3ce4c35beae1ed6f3"` Aug 29 21:47:53.300 INFO blam! 76a135f679b3efff39261b38c3772549bbf751b657cea6e3ce4c35beae1ed6f3