Oct 13 08:18:30.115 INFO checking socket-io-0.1.1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 08:18:30.117 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 08:18:30.512 INFO blam! f840b6d48e01146af023578955f3f05b895294a4572b764a602f73b9744d2a32
Oct 13 08:18:30.524 INFO running `"docker" "start" "-a" "f840b6d48e01146af023578955f3f05b895294a4572b764a602f73b9744d2a32"`
Oct 13 08:18:31.825 INFO kablam! usermod: no changes
Oct 13 08:18:31.992 INFO kablam!     Checking cookie v0.2.5
Oct 13 08:18:33.616 INFO kablam!     Checking hyper v0.9.18
Oct 13 08:18:38.228 INFO kablam!     Checking iron v0.4.0
Oct 13 08:18:41.073 INFO kablam!     Checking engine-io v0.1.4
Oct 13 08:18:44.456 INFO kablam!     Checking socket-io v0.1.1 (/source)
Oct 13 08:18:50.192 INFO kablam! warning: unused variable: `rooms`
Oct 13 08:18:50.192 INFO kablam!    --> src/socket.rs:183:21
Oct 13 08:18:50.192 INFO kablam!     |
Oct 13 08:18:50.192 INFO kablam! 183 |             let mut rooms = self.rooms_joined.write().unwrap();
Oct 13 08:18:50.192 INFO kablam!     |                     ^^^^^ help: consider using `_rooms` instead
Oct 13 08:18:50.192 INFO kablam!     |
Oct 13 08:18:50.192 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 08:18:50.192 INFO kablam! 
Oct 13 08:18:50.332 INFO kablam! warning: unused variable: `rooms`
Oct 13 08:18:50.332 INFO kablam!    --> src/socket.rs:183:21
Oct 13 08:18:50.332 INFO kablam!     |
Oct 13 08:18:50.332 INFO kablam! 183 |             let mut rooms = self.rooms_joined.write().unwrap();
Oct 13 08:18:50.332 INFO kablam!     |                     ^^^^^ help: consider using `_rooms` instead
Oct 13 08:18:50.332 INFO kablam!     |
Oct 13 08:18:50.332 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 08:18:50.332 INFO kablam! 
Oct 13 08:18:50.360 INFO kablam! warning: variant is never constructed: `Disconnect`
Oct 13 08:18:50.360 INFO kablam!   --> src/packet.rs:14:5
Oct 13 08:18:50.360 INFO kablam!    |
Oct 13 08:18:50.360 INFO kablam! 14 |     Disconnect = '1' as isize,
Oct 13 08:18:50.360 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 08:18:50.360 INFO kablam!    |
Oct 13 08:18:50.360 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 08:18:50.360 INFO kablam! 
Oct 13 08:18:50.432 INFO kablam! warning: variant is never constructed: `Connect`
Oct 13 08:18:50.432 INFO kablam!   --> src/packet.rs:13:5
Oct 13 08:18:50.432 INFO kablam!    |
Oct 13 08:18:50.432 INFO kablam! 13 |     Connect = '0' as isize,
Oct 13 08:18:50.432 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Oct 13 08:18:50.432 INFO kablam!    |
Oct 13 08:18:50.432 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 08:18:50.432 INFO kablam! 
Oct 13 08:18:50.432 INFO kablam! warning: variant is never constructed: `Disconnect`
Oct 13 08:18:50.432 INFO kablam!   --> src/packet.rs:14:5
Oct 13 08:18:50.432 INFO kablam!    |
Oct 13 08:18:50.432 INFO kablam! 14 |     Disconnect = '1' as isize,
Oct 13 08:18:50.432 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 08:18:50.432 INFO kablam! 
Oct 13 08:18:50.488 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 18.63s
Oct 13 08:18:50.496 INFO kablam! su: No module specific data is present
Oct 13 08:18:51.643 INFO running `"docker" "rm" "-f" "f840b6d48e01146af023578955f3f05b895294a4572b764a602f73b9744d2a32"`
Oct 13 08:18:51.894 INFO blam! f840b6d48e01146af023578955f3f05b895294a4572b764a602f73b9744d2a32