Aug 30 10:42:26.714 INFO checking mqttc-0.1.4 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 10:42:26.714 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 10:42:26.714 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-2/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 10:42:26.882 INFO blam! aa827fdde339a005a183d0614c485c3a72f6bc468d683bd09001aa9c4dd58381
Aug 30 10:42:26.884 INFO running `"docker" "start" "-a" "aa827fdde339a005a183d0614c485c3a72f6bc468d683bd09001aa9c4dd58381"`
Aug 30 10:42:27.600 INFO kablam!     Checking netopt v0.1.3
Aug 30 10:42:28.319 INFO kablam!     Checking mqttc v0.1.4 (file:///source)
Aug 30 10:42:29.178 INFO kablam! warning: unused import: `std::io::Cursor`
Aug 30 10:42:29.178 INFO kablam!    --> src/client.rs:718:9
Aug 30 10:42:29.178 INFO kablam!     |
Aug 30 10:42:29.178 INFO kablam! 718 |     use std::io::Cursor;
Aug 30 10:42:29.178 INFO kablam!     |         ^^^^^^^^^^^^^^^
Aug 30 10:42:29.178 INFO kablam!     |
Aug 30 10:42:29.178 INFO kablam!     = note: #[warn(unused_imports)] on by default
Aug 30 10:42:29.178 INFO kablam! 
Aug 30 10:42:29.613 INFO kablam! warning: unused variable: `client`
Aug 30 10:42:29.613 INFO kablam!    --> src/client.rs:730:13
Aug 30 10:42:29.613 INFO kablam!     |
Aug 30 10:42:29.613 INFO kablam! 730 |         let client = options.connect("127.0.0.1:1883", netopt).unwrap();
Aug 30 10:42:29.613 INFO kablam!     |             ^^^^^^ help: consider using `_client` instead
Aug 30 10:42:29.613 INFO kablam!     |
Aug 30 10:42:29.613 INFO kablam!     = note: #[warn(unused_variables)] on by default
Aug 30 10:42:29.613 INFO kablam! 
Aug 30 10:42:30.870 INFO kablam! warning: unused import: `Client`
Aug 30 10:42:30.870 INFO kablam!   --> examples/ping.rs:10:13
Aug 30 10:42:30.870 INFO kablam!    |
Aug 30 10:42:30.870 INFO kablam! 10 | use mqttc::{Client, ClientOptions, ReconnectMethod};
Aug 30 10:42:30.870 INFO kablam!    |             ^^^^^^
Aug 30 10:42:30.870 INFO kablam!    |
Aug 30 10:42:30.870 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 30 10:42:30.870 INFO kablam! 
Aug 30 10:42:30.980 INFO kablam! warning: unused `#[macro_use]` import
Aug 30 10:42:30.980 INFO kablam!  --> examples/pub.rs:3:1
Aug 30 10:42:30.980 INFO kablam!   |
Aug 30 10:42:30.980 INFO kablam! 3 | #[macro_use] extern crate log;
Aug 30 10:42:30.980 INFO kablam!   | ^^^^^^^^^^^^
Aug 30 10:42:30.980 INFO kablam!   |
Aug 30 10:42:30.980 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 10:42:30.980 INFO kablam! 
Aug 30 10:42:30.980 INFO kablam! warning: unused import: `Client`
Aug 30 10:42:30.980 INFO kablam!   --> examples/pub.rs:10:21
Aug 30 10:42:30.980 INFO kablam!    |
Aug 30 10:42:30.980 INFO kablam! 10 | use mqttc::{PubSub, Client, ClientOptions, ReconnectMethod, PubOpt};
Aug 30 10:42:30.980 INFO kablam!    |                     ^^^^^^
Aug 30 10:42:30.980 INFO kablam! 
Aug 30 10:42:30.983 INFO kablam! warning: variable does not need to be mutable
Aug 30 10:42:30.984 INFO kablam!   --> examples/ping.rs:14:9
Aug 30 10:42:30.984 INFO kablam!    |
Aug 30 10:42:30.984 INFO kablam! 14 |     let mut args: Vec<_> = env::args().collect();
Aug 30 10:42:30.984 INFO kablam!    |         ----^^^^
Aug 30 10:42:30.984 INFO kablam!    |         |
Aug 30 10:42:30.984 INFO kablam!    |         help: remove this `mut`
Aug 30 10:42:30.984 INFO kablam!    |
Aug 30 10:42:30.984 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 10:42:30.984 INFO kablam! 
Aug 30 10:42:31.069 INFO kablam! warning: unused `#[macro_use]` import
Aug 30 10:42:31.069 INFO kablam!  --> examples/sub.rs:3:1
Aug 30 10:42:31.069 INFO kablam!   |
Aug 30 10:42:31.069 INFO kablam! 3 | #[macro_use] extern crate log;
Aug 30 10:42:31.069 INFO kablam!   | ^^^^^^^^^^^^
Aug 30 10:42:31.069 INFO kablam!   |
Aug 30 10:42:31.069 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 10:42:31.069 INFO kablam! 
Aug 30 10:42:31.069 INFO kablam! warning: unused imports: `Client`, `PubOpt`
Aug 30 10:42:31.069 INFO kablam!   --> examples/sub.rs:10:21
Aug 30 10:42:31.069 INFO kablam!    |
Aug 30 10:42:31.069 INFO kablam! 10 | use mqttc::{PubSub, Client, ClientOptions, ReconnectMethod, PubOpt};
Aug 30 10:42:31.069 INFO kablam!    |                     ^^^^^^                                  ^^^^^^
Aug 30 10:42:31.069 INFO kablam! 
Aug 30 10:42:31.071 INFO kablam! warning: variable does not need to be mutable
Aug 30 10:42:31.071 INFO kablam!   --> examples/pub.rs:14:9
Aug 30 10:42:31.071 INFO kablam!    |
Aug 30 10:42:31.071 INFO kablam! 14 |     let mut args: Vec<_> = env::args().collect();
Aug 30 10:42:31.071 INFO kablam!    |         ----^^^^
Aug 30 10:42:31.071 INFO kablam!    |         |
Aug 30 10:42:31.071 INFO kablam!    |         help: remove this `mut`
Aug 30 10:42:31.071 INFO kablam!    |
Aug 30 10:42:31.071 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 10:42:31.071 INFO kablam! 
Aug 30 10:42:31.150 INFO kablam! warning: variable does not need to be mutable
Aug 30 10:42:31.150 INFO kablam!   --> examples/sub.rs:14:9
Aug 30 10:42:31.150 INFO kablam!    |
Aug 30 10:42:31.150 INFO kablam! 14 |     let mut args: Vec<_> = env::args().collect();
Aug 30 10:42:31.150 INFO kablam!    |         ----^^^^
Aug 30 10:42:31.150 INFO kablam!    |         |
Aug 30 10:42:31.150 INFO kablam!    |         help: remove this `mut`
Aug 30 10:42:31.150 INFO kablam!    |
Aug 30 10:42:31.150 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 10:42:31.150 INFO kablam! 
Aug 30 10:42:31.162 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.67s
Aug 30 10:42:31.168 INFO kablam! su: No module specific data is present
Aug 30 10:42:31.619 INFO running `"docker" "rm" "-f" "aa827fdde339a005a183d0614c485c3a72f6bc468d683bd09001aa9c4dd58381"`
Aug 30 10:42:31.701 INFO blam! aa827fdde339a005a183d0614c485c3a72f6bc468d683bd09001aa9c4dd58381