Sep 21 06:49:25.760 INFO checking mqttc-0.1.4 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 06:49:25.760 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 06:49:25.760 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-1/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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=1000" "-e" "CMD=cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 06:49:25.959 INFO blam! 72071d6c310755561611ceb58f32dc4a070619ac685e001af4f6bedffac9822f
Sep 21 06:49:25.961 INFO running `"docker" "start" "-a" "72071d6c310755561611ceb58f32dc4a070619ac685e001af4f6bedffac9822f"`
Sep 21 06:49:26.773 INFO kablam! usermod: no changes
Sep 21 06:49:26.871 INFO kablam!    Compiling openssl-sys v0.7.17
Sep 21 06:49:27.714 INFO kablam!    Compiling openssl-sys-extras v0.7.14
Sep 21 06:49:27.734 INFO kablam!    Compiling openssl v0.7.14
Sep 21 06:49:29.768 INFO kablam!     Checking netopt v0.1.3
Sep 21 06:49:30.174 INFO kablam!     Checking mqttc v0.1.4 (/source)
Sep 21 06:49:30.751 INFO kablam! warning: unused import: `std::io::Cursor`
Sep 21 06:49:30.751 INFO kablam!    --> src/client.rs:718:9
Sep 21 06:49:30.751 INFO kablam!     |
Sep 21 06:49:30.751 INFO kablam! 718 |     use std::io::Cursor;
Sep 21 06:49:30.751 INFO kablam!     |         ^^^^^^^^^^^^^^^
Sep 21 06:49:30.751 INFO kablam!     |
Sep 21 06:49:30.751 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 21 06:49:30.751 INFO kablam! 
Sep 21 06:49:30.982 INFO kablam! warning: unused variable: `client`
Sep 21 06:49:30.982 INFO kablam!    --> src/client.rs:730:13
Sep 21 06:49:30.982 INFO kablam!     |
Sep 21 06:49:30.982 INFO kablam! 730 |         let client = options.connect("127.0.0.1:1883", netopt).unwrap();
Sep 21 06:49:30.982 INFO kablam!     |             ^^^^^^ help: consider using `_client` instead
Sep 21 06:49:30.982 INFO kablam!     |
Sep 21 06:49:30.982 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 21 06:49:30.982 INFO kablam! 
Sep 21 06:49:31.861 INFO kablam! warning: unused `#[macro_use]` import
Sep 21 06:49:31.861 INFO kablam!  --> examples/pub.rs:3:1
Sep 21 06:49:31.861 INFO kablam!   |
Sep 21 06:49:31.861 INFO kablam! 3 | #[macro_use] extern crate log;
Sep 21 06:49:31.861 INFO kablam!   | ^^^^^^^^^^^^
Sep 21 06:49:31.861 INFO kablam!   |
Sep 21 06:49:31.861 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 06:49:31.861 INFO kablam! 
Sep 21 06:49:31.861 INFO kablam! warning: unused import: `Client`
Sep 21 06:49:31.861 INFO kablam!   --> examples/pub.rs:10:21
Sep 21 06:49:31.861 INFO kablam!    |
Sep 21 06:49:31.861 INFO kablam! 10 | use mqttc::{PubSub, Client, ClientOptions, ReconnectMethod, PubOpt};
Sep 21 06:49:31.861 INFO kablam!    |                     ^^^^^^
Sep 21 06:49:31.861 INFO kablam! 
Sep 21 06:49:31.962 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:49:31.962 INFO kablam!   --> examples/pub.rs:14:9
Sep 21 06:49:31.962 INFO kablam!    |
Sep 21 06:49:31.962 INFO kablam! 14 |     let mut args: Vec<_> = env::args().collect();
Sep 21 06:49:31.962 INFO kablam!    |         ----^^^^
Sep 21 06:49:31.962 INFO kablam!    |         |
Sep 21 06:49:31.962 INFO kablam!    |         help: remove this `mut`
Sep 21 06:49:31.962 INFO kablam!    |
Sep 21 06:49:31.962 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 06:49:31.962 INFO kablam! 
Sep 21 06:49:32.142 INFO kablam! warning: unused import: `Client`
Sep 21 06:49:32.142 INFO kablam!   --> examples/ping.rs:10:13
Sep 21 06:49:32.142 INFO kablam!    |
Sep 21 06:49:32.142 INFO kablam! 10 | use mqttc::{Client, ClientOptions, ReconnectMethod};
Sep 21 06:49:32.142 INFO kablam!    |             ^^^^^^
Sep 21 06:49:32.142 INFO kablam!    |
Sep 21 06:49:32.142 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 21 06:49:32.142 INFO kablam! 
Sep 21 06:49:32.166 INFO kablam! warning: unused `#[macro_use]` import
Sep 21 06:49:32.166 INFO kablam!  --> examples/sub.rs:3:1
Sep 21 06:49:32.166 INFO kablam!   |
Sep 21 06:49:32.166 INFO kablam! 3 | #[macro_use] extern crate log;
Sep 21 06:49:32.166 INFO kablam!   | ^^^^^^^^^^^^
Sep 21 06:49:32.166 INFO kablam!   |
Sep 21 06:49:32.166 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 06:49:32.166 INFO kablam! 
Sep 21 06:49:32.166 INFO kablam! warning: unused imports: `Client`, `PubOpt`
Sep 21 06:49:32.166 INFO kablam!   --> examples/sub.rs:10:21
Sep 21 06:49:32.166 INFO kablam!    |
Sep 21 06:49:32.166 INFO kablam! 10 | use mqttc::{PubSub, Client, ClientOptions, ReconnectMethod, PubOpt};
Sep 21 06:49:32.166 INFO kablam!    |                     ^^^^^^                                  ^^^^^^
Sep 21 06:49:32.166 INFO kablam! 
Sep 21 06:49:32.190 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:49:32.190 INFO kablam!   --> examples/ping.rs:14:9
Sep 21 06:49:32.190 INFO kablam!    |
Sep 21 06:49:32.190 INFO kablam! 14 |     let mut args: Vec<_> = env::args().collect();
Sep 21 06:49:32.190 INFO kablam!    |         ----^^^^
Sep 21 06:49:32.190 INFO kablam!    |         |
Sep 21 06:49:32.190 INFO kablam!    |         help: remove this `mut`
Sep 21 06:49:32.190 INFO kablam!    |
Sep 21 06:49:32.190 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 06:49:32.190 INFO kablam! 
Sep 21 06:49:32.228 INFO kablam! warning: variable does not need to be mutable
Sep 21 06:49:32.228 INFO kablam!   --> examples/sub.rs:14:9
Sep 21 06:49:32.228 INFO kablam!    |
Sep 21 06:49:32.228 INFO kablam! 14 |     let mut args: Vec<_> = env::args().collect();
Sep 21 06:49:32.228 INFO kablam!    |         ----^^^^
Sep 21 06:49:32.228 INFO kablam!    |         |
Sep 21 06:49:32.228 INFO kablam!    |         help: remove this `mut`
Sep 21 06:49:32.228 INFO kablam!    |
Sep 21 06:49:32.228 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 06:49:32.228 INFO kablam! 
Sep 21 06:49:32.241 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.45s
Sep 21 06:49:32.246 INFO kablam! su: No module specific data is present
Sep 21 06:49:33.069 INFO running `"docker" "rm" "-f" "72071d6c310755561611ceb58f32dc4a070619ac685e001af4f6bedffac9822f"`
Sep 21 06:49:33.137 INFO blam! 72071d6c310755561611ceb58f32dc4a070619ac685e001af4f6bedffac9822f