Dec 12 03:00:55.572 INFO checking EmmaLa/tokio-chat against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 03:00:55.572 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 03:00:56.087 INFO [stdout] d5b8484b1faa58fc273b5ce6b041ee8eb5f108148ea5dd7b87abb25989b11c8f
Dec 12 03:00:56.089 INFO running `"docker" "start" "-a" "d5b8484b1faa58fc273b5ce6b041ee8eb5f108148ea5dd7b87abb25989b11c8f"`
Dec 12 03:00:58.029 INFO [stderr] usermod: no changes
Dec 12 03:00:58.189 INFO [stderr]     Checking tokio v0.1.1
Dec 12 03:01:00.408 INFO [stderr]     Checking tokio-chat v0.1.0 (/source)
Dec 12 03:01:02.100 INFO [stderr] warning: unused import: `AsyncWrite`
Dec 12 03:01:02.100 INFO [stderr]  --> src/main.rs:9:28
Dec 12 03:01:02.100 INFO [stderr]   |
Dec 12 03:01:02.100 INFO [stderr] 9 | use tokio_io::{ AsyncRead, AsyncWrite};
Dec 12 03:01:02.100 INFO [stderr]   |                            ^^^^^^^^^^
Dec 12 03:01:02.105 INFO [stderr]   |
Dec 12 03:01:02.105 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 03:01:02.105 INFO [stderr] 
Dec 12 03:01:02.105 INFO [stderr] warning: unused import: `Write`
Dec 12 03:01:02.105 INFO [stderr]   --> src/main.rs:16:15
Dec 12 03:01:02.105 INFO [stderr]    |
Dec 12 03:01:02.105 INFO [stderr] 16 | use std::io::{Write};
Dec 12 03:01:02.105 INFO [stderr]    |               ^^^^^
Dec 12 03:01:02.105 INFO [stderr] 
Dec 12 03:01:02.105 INFO [stderr] warning: unused import: `std::sync::Arc`
Dec 12 03:01:02.105 INFO [stderr]   --> src/main.rs:17:5
Dec 12 03:01:02.105 INFO [stderr]    |
Dec 12 03:01:02.105 INFO [stderr] 17 | use std::sync::Arc;
Dec 12 03:01:02.105 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 12 03:01:02.105 INFO [stderr] 
Dec 12 03:01:02.106 INFO [stderr] warning: unused import: `std::sync::Mutex`
Dec 12 03:01:02.106 INFO [stderr]   --> src/main.rs:18:5
Dec 12 03:01:02.106 INFO [stderr]    |
Dec 12 03:01:02.106 INFO [stderr] 18 | use std::sync::Mutex;
Dec 12 03:01:02.106 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 12 03:01:02.106 INFO [stderr] 
Dec 12 03:01:02.241 INFO [stderr] warning: unused import: `AsyncWrite`
Dec 12 03:01:02.241 INFO [stderr]  --> src/main.rs:9:28
Dec 12 03:01:02.241 INFO [stderr]   |
Dec 12 03:01:02.241 INFO [stderr] 9 | use tokio_io::{ AsyncRead, AsyncWrite};
Dec 12 03:01:02.241 INFO [stderr]   |                            ^^^^^^^^^^
Dec 12 03:01:02.241 INFO [stderr]   |
Dec 12 03:01:02.241 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 03:01:02.241 INFO [stderr] 
Dec 12 03:01:02.241 INFO [stderr] warning: unused import: `Write`
Dec 12 03:01:02.241 INFO [stderr]   --> src/main.rs:16:15
Dec 12 03:01:02.241 INFO [stderr]    |
Dec 12 03:01:02.241 INFO [stderr] 16 | use std::io::{Write};
Dec 12 03:01:02.242 INFO [stderr]    |               ^^^^^
Dec 12 03:01:02.242 INFO [stderr] 
Dec 12 03:01:02.242 INFO [stderr] warning: unused import: `std::sync::Arc`
Dec 12 03:01:02.242 INFO [stderr]   --> src/main.rs:17:5
Dec 12 03:01:02.242 INFO [stderr]    |
Dec 12 03:01:02.242 INFO [stderr] 17 | use std::sync::Arc;
Dec 12 03:01:02.242 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 12 03:01:02.242 INFO [stderr] 
Dec 12 03:01:02.242 INFO [stderr] warning: unused import: `std::sync::Mutex`
Dec 12 03:01:02.242 INFO [stderr]   --> src/main.rs:18:5
Dec 12 03:01:02.242 INFO [stderr]    |
Dec 12 03:01:02.242 INFO [stderr] 18 | use std::sync::Mutex;
Dec 12 03:01:02.242 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 12 03:01:02.242 INFO [stderr] 
Dec 12 03:01:02.260 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:01:02.260 INFO [stderr]    --> src/main.rs:119:13
Dec 12 03:01:02.260 INFO [stderr]     |
Dec 12 03:01:02.260 INFO [stderr] 119 |         let mut chuck_data = chunk_data.for_each(move |data| {
Dec 12 03:01:02.260 INFO [stderr]     |             ----^^^^^^^^^^
Dec 12 03:01:02.260 INFO [stderr]     |             |
Dec 12 03:01:02.260 INFO [stderr]     |             help: remove this `mut`
Dec 12 03:01:02.260 INFO [stderr]     |
Dec 12 03:01:02.260 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 03:01:02.260 INFO [stderr] 
Dec 12 03:01:02.260 INFO [stderr] warning: type alias is never used: `Rx`
Dec 12 03:01:02.260 INFO [stderr]   --> src/main.rs:28:1
Dec 12 03:01:02.260 INFO [stderr]    |
Dec 12 03:01:02.260 INFO [stderr] 28 | type Rx = mpsc::UnboundedReceiver<BytesMut>;
Dec 12 03:01:02.260 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:01:02.260 INFO [stderr]    |
Dec 12 03:01:02.260 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:01:02.260 INFO [stderr] 
Dec 12 03:01:02.260 INFO [stderr] warning: field is never used: `state`
Dec 12 03:01:02.261 INFO [stderr]   --> src/main.rs:37:5
Dec 12 03:01:02.261 INFO [stderr]    |
Dec 12 03:01:02.261 INFO [stderr] 37 |     state: Rc<RefCell<SharedState>>
Dec 12 03:01:02.261 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:01:02.261 INFO [stderr] 
Dec 12 03:01:02.384 INFO [stderr] warning: variable does not need to be mutable
Dec 12 03:01:02.384 INFO [stderr]    --> src/main.rs:119:13
Dec 12 03:01:02.384 INFO [stderr]     |
Dec 12 03:01:02.384 INFO [stderr] 119 |         let mut chuck_data = chunk_data.for_each(move |data| {
Dec 12 03:01:02.384 INFO [stderr]     |             ----^^^^^^^^^^
Dec 12 03:01:02.384 INFO [stderr]     |             |
Dec 12 03:01:02.384 INFO [stderr]     |             help: remove this `mut`
Dec 12 03:01:02.384 INFO [stderr]     |
Dec 12 03:01:02.384 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 03:01:02.384 INFO [stderr] 
Dec 12 03:01:02.384 INFO [stderr] warning: type alias is never used: `Rx`
Dec 12 03:01:02.384 INFO [stderr]   --> src/main.rs:28:1
Dec 12 03:01:02.384 INFO [stderr]    |
Dec 12 03:01:02.384 INFO [stderr] 28 | type Rx = mpsc::UnboundedReceiver<BytesMut>;
Dec 12 03:01:02.384 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:01:02.384 INFO [stderr]    |
Dec 12 03:01:02.384 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:01:02.384 INFO [stderr] 
Dec 12 03:01:02.385 INFO [stderr] warning: field is never used: `state`
Dec 12 03:01:02.385 INFO [stderr]   --> src/main.rs:37:5
Dec 12 03:01:02.385 INFO [stderr]    |
Dec 12 03:01:02.385 INFO [stderr] 37 |     state: Rc<RefCell<SharedState>>
Dec 12 03:01:02.385 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:01:02.385 INFO [stderr] 
Dec 12 03:01:02.417 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.35s
Dec 12 03:01:02.424 INFO [stderr] su: No module specific data is present
Dec 12 03:01:03.327 INFO running `"docker" "inspect" "d5b8484b1faa58fc273b5ce6b041ee8eb5f108148ea5dd7b87abb25989b11c8f"`
Dec 12 03:01:03.622 INFO running `"docker" "rm" "-f" "d5b8484b1faa58fc273b5ce6b041ee8eb5f108148ea5dd7b87abb25989b11c8f"`
Dec 12 03:01:04.036 INFO [stdout] d5b8484b1faa58fc273b5ce6b041ee8eb5f108148ea5dd7b87abb25989b11c8f