Aug 02 10:49:49.126 INFO checking engine-io-0.1.4 against 1.27.2 for lazy_static-1
Aug 02 10:49:49.127 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:49:49.127 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:49:49.127 INFO running `"docker" "create" "-v" "/tmp/crater.YKxmqcsPlSKL:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 10:49:49.426 INFO blam! d6b1e0a99b89efe2a74f450a0832f6af2e99a7d7509b4a2ed3df8083ed942e5f
Aug 02 10:49:49.435 INFO running `"docker" "start" "-a" "d6b1e0a99b89efe2a74f450a0832f6af2e99a7d7509b4a2ed3df8083ed942e5f"`
Aug 02 10:49:50.655 INFO kablam!     Checking engine-io v0.1.4 (file:///source)
Aug 02 10:49:54.875 INFO kablam! warning: unused variable: `b64`
Aug 02 10:49:54.875 INFO kablam!    --> src/packet.rs:213:38
Aug 02 10:49:54.875 INFO kablam!     |
Aug 02 10:49:54.875 INFO kablam! 213 | pub fn decode_payload(data: Vec<u8>, b64: bool, xhr2: bool) -> Result<Vec<Packet>, Error> {
Aug 02 10:49:54.875 INFO kablam!     |                                      ^^^ help: consider using `_b64` instead
Aug 02 10:49:54.875 INFO kablam!     |
Aug 02 10:49:54.875 INFO kablam!     = note: #[warn(unused_variables)] on by default
Aug 02 10:49:54.875 INFO kablam! 
Aug 02 10:49:54.876 INFO kablam! warning: unused variable: `e`
Aug 02 10:49:54.876 INFO kablam!    --> src/server.rs:311:33
Aug 02 10:49:54.876 INFO kablam!     |
Aug 02 10:49:54.876 INFO kablam! 311 |                             Err(e) => {
Aug 02 10:49:54.876 INFO kablam!     |                                 ^ help: consider using `_e` instead
Aug 02 10:49:54.876 INFO kablam! 
Aug 02 10:49:54.951 INFO kablam! warning: unused variable: `b64`
Aug 02 10:49:54.951 INFO kablam!    --> src/packet.rs:213:38
Aug 02 10:49:54.951 INFO kablam!     |
Aug 02 10:49:54.951 INFO kablam! 213 | pub fn decode_payload(data: Vec<u8>, b64: bool, xhr2: bool) -> Result<Vec<Packet>, Error> {
Aug 02 10:49:54.951 INFO kablam!     |                                      ^^^ help: consider using `_b64` instead
Aug 02 10:49:54.951 INFO kablam!     |
Aug 02 10:49:54.951 INFO kablam!     = note: #[warn(unused_variables)] on by default
Aug 02 10:49:54.952 INFO kablam! 
Aug 02 10:49:54.953 INFO kablam! warning: unused variable: `e`
Aug 02 10:49:54.953 INFO kablam!    --> src/server.rs:311:33
Aug 02 10:49:54.953 INFO kablam!     |
Aug 02 10:49:54.953 INFO kablam! 311 |                             Err(e) => {
Aug 02 10:49:54.953 INFO kablam!     |                                 ^ help: consider using `_e` instead
Aug 02 10:49:54.953 INFO kablam! 
Aug 02 10:49:55.098 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Aug 02 10:49:55.098 INFO kablam!    --> src/server.rs:291:25
Aug 02 10:49:55.098 INFO kablam!     |
Aug 02 10:49:55.098 INFO kablam! 291 |                         val.replace("\\n", "\n");
Aug 02 10:49:55.098 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:49:55.098 INFO kablam!     |
Aug 02 10:49:55.098 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 02 10:49:55.098 INFO kablam! 
Aug 02 10:49:55.146 INFO kablam! warning: unused return value of `std::str::<impl str>::replace` which must be used
Aug 02 10:49:55.146 INFO kablam!    --> src/server.rs:291:25
Aug 02 10:49:55.146 INFO kablam!     |
Aug 02 10:49:55.146 INFO kablam! 291 |                         val.replace("\\n", "\n");
Aug 02 10:49:55.146 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 10:49:55.147 INFO kablam!     |
Aug 02 10:49:55.147 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 02 10:49:55.147 INFO kablam! 
Aug 02 10:49:55.224 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
Aug 02 10:49:55.233 INFO kablam! su: No module specific data is present
Aug 02 10:49:55.783 INFO running `"docker" "rm" "-f" "d6b1e0a99b89efe2a74f450a0832f6af2e99a7d7509b4a2ed3df8083ed942e5f"`
Aug 02 10:49:55.932 INFO blam! d6b1e0a99b89efe2a74f450a0832f6af2e99a7d7509b4a2ed3df8083ed942e5f