Dec 05 14:12:28.088 INFO checking engine-io-0.1.4 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 14:12:28.088 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 14:12:28.515 INFO [stdout] 08db562336bfd72bfe78850437e68c28f85d976a9b98d2619ac59ce7ccf2b48e
Dec 05 14:12:28.517 INFO running `"docker" "start" "-a" "08db562336bfd72bfe78850437e68c28f85d976a9b98d2619ac59ce7ccf2b48e"`
Dec 05 14:12:30.042 INFO [stderr] usermod: no changes
Dec 05 14:12:30.321 INFO [stderr]     Checking cookie v0.2.5
Dec 05 14:12:31.932 INFO [stderr]     Checking hyper v0.9.18
Dec 05 14:12:36.551 INFO [stderr]     Checking iron v0.4.0
Dec 05 14:12:39.455 INFO [stderr]     Checking engine-io v0.1.4 (/source)
Dec 05 14:12:43.507 INFO [stderr] warning: unused variable: `b64`
Dec 05 14:12:43.507 INFO [stderr]    --> src/packet.rs:213:38
Dec 05 14:12:43.507 INFO [stderr]     |
Dec 05 14:12:43.507 INFO [stderr] 213 | pub fn decode_payload(data: Vec<u8>, b64: bool, xhr2: bool) -> Result<Vec<Packet>, Error> {
Dec 05 14:12:43.507 INFO [stderr]     |                                      ^^^ help: consider using `_b64` instead
Dec 05 14:12:43.507 INFO [stderr]     |
Dec 05 14:12:43.507 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 14:12:43.507 INFO [stderr] 
Dec 05 14:12:43.507 INFO [stderr] warning: unused variable: `e`
Dec 05 14:12:43.507 INFO [stderr]    --> src/server.rs:311:33
Dec 05 14:12:43.507 INFO [stderr]     |
Dec 05 14:12:43.507 INFO [stderr] 311 |                             Err(e) => {
Dec 05 14:12:43.507 INFO [stderr]     |                                 ^ help: consider using `_e` instead
Dec 05 14:12:43.507 INFO [stderr] 
Dec 05 14:12:43.729 INFO [stderr] warning: unused variable: `b64`
Dec 05 14:12:43.729 INFO [stderr]    --> src/packet.rs:213:38
Dec 05 14:12:43.730 INFO [stderr]     |
Dec 05 14:12:43.730 INFO [stderr] 213 | pub fn decode_payload(data: Vec<u8>, b64: bool, xhr2: bool) -> Result<Vec<Packet>, Error> {
Dec 05 14:12:43.730 INFO [stderr]     |                                      ^^^ help: consider using `_b64` instead
Dec 05 14:12:43.730 INFO [stderr]     |
Dec 05 14:12:43.731 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 14:12:43.731 INFO [stderr] 
Dec 05 14:12:43.731 INFO [stderr] warning: unused variable: `e`
Dec 05 14:12:43.732 INFO [stderr]    --> src/server.rs:311:33
Dec 05 14:12:43.732 INFO [stderr]     |
Dec 05 14:12:43.732 INFO [stderr] 311 |                             Err(e) => {
Dec 05 14:12:43.733 INFO [stderr]     |                                 ^ help: consider using `_e` instead
Dec 05 14:12:43.733 INFO [stderr] 
Dec 05 14:12:43.739 INFO [stderr] warning: unused return value of `std::str::<impl str>::replace` that must be used
Dec 05 14:12:43.739 INFO [stderr]    --> src/server.rs:291:25
Dec 05 14:12:43.739 INFO [stderr]     |
Dec 05 14:12:43.740 INFO [stderr] 291 |                         val.replace("\\n", "\n");
Dec 05 14:12:43.740 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:12:43.740 INFO [stderr]     |
Dec 05 14:12:43.740 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 14:12:43.741 INFO [stderr]     = note: this returns the replaced string as a new allocation, without modifying the original
Dec 05 14:12:43.741 INFO [stderr] 
Dec 05 14:12:43.884 INFO [stderr] warning: unused return value of `std::str::<impl str>::replace` that must be used
Dec 05 14:12:43.884 INFO [stderr]    --> src/server.rs:291:25
Dec 05 14:12:43.884 INFO [stderr]     |
Dec 05 14:12:43.885 INFO [stderr] 291 |                         val.replace("\\n", "\n");
Dec 05 14:12:43.885 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:12:43.885 INFO [stderr]     |
Dec 05 14:12:43.885 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 14:12:43.886 INFO [stderr]     = note: this returns the replaced string as a new allocation, without modifying the original
Dec 05 14:12:43.886 INFO [stderr] 
Dec 05 14:12:43.935 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.85s
Dec 05 14:12:43.951 INFO [stderr] su: No module specific data is present
Dec 05 14:12:44.391 INFO running `"docker" "inspect" "08db562336bfd72bfe78850437e68c28f85d976a9b98d2619ac59ce7ccf2b48e"`
Dec 05 14:12:44.554 INFO running `"docker" "rm" "-f" "08db562336bfd72bfe78850437e68c28f85d976a9b98d2619ac59ce7ccf2b48e"`
Dec 05 14:12:44.777 INFO [stdout] 08db562336bfd72bfe78850437e68c28f85d976a9b98d2619ac59ce7ccf2b48e