Nov 30 19:17:07.984 INFO checking mqttc-0.1.4 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 19:17:07.985 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 19:17:08.270 INFO [stdout] a028c2f41b78f3cb28c4a1a270ea9184d86f3b390299adf4a5ad7123c03adf13
Nov 30 19:17:08.272 INFO running `"docker" "start" "-a" "a028c2f41b78f3cb28c4a1a270ea9184d86f3b390299adf4a5ad7123c03adf13"`
Nov 30 19:17:08.900 INFO [stderr] usermod: no changes
Nov 30 19:17:09.096 INFO [stderr]    Compiling openssl-sys v0.7.17
Nov 30 19:17:09.096 INFO [stderr]    Compiling openssl v0.7.14
Nov 30 19:17:10.746 INFO [stderr]    Compiling openssl-sys-extras v0.7.14
Nov 30 19:17:14.154 INFO [stderr]     Checking netopt v0.1.3
Nov 30 19:17:15.278 INFO [stderr]     Checking mqttc v0.1.4 (/source)
Nov 30 19:17:17.068 INFO [stderr] warning: unused import: `std::io::Cursor`
Nov 30 19:17:17.068 INFO [stderr]    --> src/client.rs:718:9
Nov 30 19:17:17.068 INFO [stderr]     |
Nov 30 19:17:17.068 INFO [stderr] 718 |     use std::io::Cursor;
Nov 30 19:17:17.068 INFO [stderr]     |         ^^^^^^^^^^^^^^^
Nov 30 19:17:17.068 INFO [stderr]     |
Nov 30 19:17:17.068 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Nov 30 19:17:17.072 INFO [stderr] 
Nov 30 19:17:17.276 INFO [stderr] warning: unused variable: `client`
Nov 30 19:17:17.276 INFO [stderr]    --> src/client.rs:730:13
Nov 30 19:17:17.276 INFO [stderr]     |
Nov 30 19:17:17.276 INFO [stderr] 730 |         let client = options.connect("127.0.0.1:1883", netopt).unwrap();
Nov 30 19:17:17.276 INFO [stderr]     |             ^^^^^^ help: consider using `_client` instead
Nov 30 19:17:17.276 INFO [stderr]     |
Nov 30 19:17:17.276 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 19:17:17.276 INFO [stderr] 
Nov 30 19:17:19.512 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 19:17:19.512 INFO [stderr]  --> examples/sub.rs:3:1
Nov 30 19:17:19.512 INFO [stderr]   |
Nov 30 19:17:19.512 INFO [stderr] 3 | #[macro_use] extern crate log;
Nov 30 19:17:19.512 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 19:17:19.512 INFO [stderr]   |
Nov 30 19:17:19.512 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:17:19.512 INFO [stderr] 
Nov 30 19:17:19.512 INFO [stderr] warning: unused imports: `Client`, `PubOpt`
Nov 30 19:17:19.512 INFO [stderr]   --> examples/sub.rs:10:21
Nov 30 19:17:19.512 INFO [stderr]    |
Nov 30 19:17:19.513 INFO [stderr] 10 | use mqttc::{PubSub, Client, ClientOptions, ReconnectMethod, PubOpt};
Nov 30 19:17:19.513 INFO [stderr]    |                     ^^^^^^                                  ^^^^^^
Nov 30 19:17:19.513 INFO [stderr] 
Nov 30 19:17:19.517 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:17:19.517 INFO [stderr]   --> examples/sub.rs:14:9
Nov 30 19:17:19.517 INFO [stderr]    |
Nov 30 19:17:19.517 INFO [stderr] 14 |     let mut args: Vec<_> = env::args().collect();
Nov 30 19:17:19.517 INFO [stderr]    |         ----^^^^
Nov 30 19:17:19.517 INFO [stderr]    |         |
Nov 30 19:17:19.517 INFO [stderr]    |         help: remove this `mut`
Nov 30 19:17:19.517 INFO [stderr]    |
Nov 30 19:17:19.517 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 19:17:19.517 INFO [stderr] 
Nov 30 19:17:19.740 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 19:17:19.740 INFO [stderr]  --> examples/pub.rs:3:1
Nov 30 19:17:19.740 INFO [stderr]   |
Nov 30 19:17:19.740 INFO [stderr] 3 | #[macro_use] extern crate log;
Nov 30 19:17:19.740 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 19:17:19.740 INFO [stderr]   |
Nov 30 19:17:19.740 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:17:19.740 INFO [stderr] 
Nov 30 19:17:19.740 INFO [stderr] warning: unused import: `Client`
Nov 30 19:17:19.740 INFO [stderr]   --> examples/pub.rs:10:21
Nov 30 19:17:19.740 INFO [stderr]    |
Nov 30 19:17:19.740 INFO [stderr] 10 | use mqttc::{PubSub, Client, ClientOptions, ReconnectMethod, PubOpt};
Nov 30 19:17:19.740 INFO [stderr]    |                     ^^^^^^
Nov 30 19:17:19.740 INFO [stderr] 
Nov 30 19:17:19.740 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:17:19.740 INFO [stderr]   --> examples/pub.rs:14:9
Nov 30 19:17:19.740 INFO [stderr]    |
Nov 30 19:17:19.740 INFO [stderr] 14 |     let mut args: Vec<_> = env::args().collect();
Nov 30 19:17:19.740 INFO [stderr]    |         ----^^^^
Nov 30 19:17:19.740 INFO [stderr]    |         |
Nov 30 19:17:19.740 INFO [stderr]    |         help: remove this `mut`
Nov 30 19:17:19.740 INFO [stderr]    |
Nov 30 19:17:19.740 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 19:17:19.740 INFO [stderr] 
Nov 30 19:17:19.755 INFO [stderr] warning: unused import: `Client`
Nov 30 19:17:19.755 INFO [stderr]   --> examples/ping.rs:10:13
Nov 30 19:17:19.755 INFO [stderr]    |
Nov 30 19:17:19.756 INFO [stderr] 10 | use mqttc::{Client, ClientOptions, ReconnectMethod};
Nov 30 19:17:19.756 INFO [stderr]    |             ^^^^^^
Nov 30 19:17:19.756 INFO [stderr]    |
Nov 30 19:17:19.756 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 19:17:19.756 INFO [stderr] 
Nov 30 19:17:19.797 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:17:19.797 INFO [stderr]   --> examples/ping.rs:14:9
Nov 30 19:17:19.797 INFO [stderr]    |
Nov 30 19:17:19.797 INFO [stderr] 14 |     let mut args: Vec<_> = env::args().collect();
Nov 30 19:17:19.797 INFO [stderr]    |         ----^^^^
Nov 30 19:17:19.797 INFO [stderr]    |         |
Nov 30 19:17:19.797 INFO [stderr]    |         help: remove this `mut`
Nov 30 19:17:19.797 INFO [stderr]    |
Nov 30 19:17:19.797 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 19:17:19.797 INFO [stderr] 
Nov 30 19:17:19.843 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.90s
Nov 30 19:17:19.843 INFO [stderr] su: No module specific data is present
Nov 30 19:17:20.284 INFO running `"docker" "inspect" "a028c2f41b78f3cb28c4a1a270ea9184d86f3b390299adf4a5ad7123c03adf13"`
Nov 30 19:17:20.602 INFO running `"docker" "rm" "-f" "a028c2f41b78f3cb28c4a1a270ea9184d86f3b390299adf4a5ad7123c03adf13"`
Nov 30 19:17:20.752 INFO [stdout] a028c2f41b78f3cb28c4a1a270ea9184d86f3b390299adf4a5ad7123c03adf13