Nov 30 19:17:08.266 INFO checking mqttc-0.1.4 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323 Nov 30 19:17:08.266 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 19:17:08.536 INFO [stdout] b636a4f21fe4be5680fb75b4a04f75774f2a833cae44549afbe22b267abacf46 Nov 30 19:17:08.542 INFO running `"docker" "start" "-a" "b636a4f21fe4be5680fb75b4a04f75774f2a833cae44549afbe22b267abacf46"` Nov 30 19:17:09.335 INFO [stderr] usermod: no changes Nov 30 19:17:09.569 INFO [stderr] Checking netopt v0.1.3 Nov 30 19:17:10.631 INFO [stderr] Checking mqttc v0.1.4 (/source) Nov 30 19:17:12.356 INFO [stderr] warning: unused import: `std::io::Cursor` Nov 30 19:17:12.357 INFO [stderr] --> src/client.rs:718:9 Nov 30 19:17:12.357 INFO [stderr] | Nov 30 19:17:12.357 INFO [stderr] 718 | use std::io::Cursor; Nov 30 19:17:12.358 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 30 19:17:12.358 INFO [stderr] | Nov 30 19:17:12.358 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 30 19:17:12.359 INFO [stderr] Nov 30 19:17:12.716 INFO [stderr] warning: unused variable: `client` Nov 30 19:17:12.717 INFO [stderr] --> src/client.rs:730:13 Nov 30 19:17:12.717 INFO [stderr] | Nov 30 19:17:12.717 INFO [stderr] 730 | let client = options.connect("127.0.0.1:1883", netopt).unwrap(); Nov 30 19:17:12.717 INFO [stderr] | ^^^^^^ help: consider using `_client` instead Nov 30 19:17:12.718 INFO [stderr] | Nov 30 19:17:12.718 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 30 19:17:12.718 INFO [stderr] Nov 30 19:17:17.036 INFO [stderr] warning: unused `#[macro_use]` import Nov 30 19:17:17.036 INFO [stderr] --> examples/sub.rs:3:1 Nov 30 19:17:17.036 INFO [stderr] | Nov 30 19:17:17.036 INFO [stderr] 3 | #[macro_use] extern crate log; Nov 30 19:17:17.036 INFO [stderr] | ^^^^^^^^^^^^ Nov 30 19:17:17.036 INFO [stderr] | Nov 30 19:17:17.036 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 30 19:17:17.036 INFO [stderr] Nov 30 19:17:17.036 INFO [stderr] warning: unused imports: `Client`, `PubOpt` Nov 30 19:17:17.036 INFO [stderr] --> examples/sub.rs:10:21 Nov 30 19:17:17.036 INFO [stderr] | Nov 30 19:17:17.036 INFO [stderr] 10 | use mqttc::{PubSub, Client, ClientOptions, ReconnectMethod, PubOpt}; Nov 30 19:17:17.036 INFO [stderr] | ^^^^^^ ^^^^^^ Nov 30 19:17:17.036 INFO [stderr] Nov 30 19:17:17.136 INFO [stderr] warning: variable does not need to be mutable Nov 30 19:17:17.136 INFO [stderr] --> examples/sub.rs:14:9 Nov 30 19:17:17.136 INFO [stderr] | Nov 30 19:17:17.136 INFO [stderr] 14 | let mut args: Vec<_> = env::args().collect(); Nov 30 19:17:17.136 INFO [stderr] | ----^^^^ Nov 30 19:17:17.136 INFO [stderr] | | Nov 30 19:17:17.136 INFO [stderr] | help: remove this `mut` Nov 30 19:17:17.136 INFO [stderr] | Nov 30 19:17:17.136 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 30 19:17:17.136 INFO [stderr] Nov 30 19:17:17.248 INFO [stderr] warning: unused import: `Client` Nov 30 19:17:17.248 INFO [stderr] --> examples/ping.rs:10:13 Nov 30 19:17:17.248 INFO [stderr] | Nov 30 19:17:17.248 INFO [stderr] 10 | use mqttc::{Client, ClientOptions, ReconnectMethod}; Nov 30 19:17:17.248 INFO [stderr] | ^^^^^^ Nov 30 19:17:17.248 INFO [stderr] | Nov 30 19:17:17.248 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 30 19:17:17.248 INFO [stderr] Nov 30 19:17:17.324 INFO [stderr] warning: variable does not need to be mutable Nov 30 19:17:17.324 INFO [stderr] --> examples/ping.rs:14:9 Nov 30 19:17:17.324 INFO [stderr] | Nov 30 19:17:17.324 INFO [stderr] 14 | let mut args: Vec<_> = env::args().collect(); Nov 30 19:17:17.324 INFO [stderr] | ----^^^^ Nov 30 19:17:17.324 INFO [stderr] | | Nov 30 19:17:17.324 INFO [stderr] | help: remove this `mut` Nov 30 19:17:17.324 INFO [stderr] | Nov 30 19:17:17.324 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 30 19:17:17.324 INFO [stderr] Nov 30 19:17:17.416 INFO [stderr] warning: unused `#[macro_use]` import Nov 30 19:17:17.416 INFO [stderr] --> examples/pub.rs:3:1 Nov 30 19:17:17.416 INFO [stderr] | Nov 30 19:17:17.416 INFO [stderr] 3 | #[macro_use] extern crate log; Nov 30 19:17:17.416 INFO [stderr] | ^^^^^^^^^^^^ Nov 30 19:17:17.416 INFO [stderr] | Nov 30 19:17:17.416 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 30 19:17:17.416 INFO [stderr] Nov 30 19:17:17.416 INFO [stderr] warning: unused import: `Client` Nov 30 19:17:17.416 INFO [stderr] --> examples/pub.rs:10:21 Nov 30 19:17:17.416 INFO [stderr] | Nov 30 19:17:17.416 INFO [stderr] 10 | use mqttc::{PubSub, Client, ClientOptions, ReconnectMethod, PubOpt}; Nov 30 19:17:17.416 INFO [stderr] | ^^^^^^ Nov 30 19:17:17.416 INFO [stderr] Nov 30 19:17:17.484 INFO [stderr] warning: variable does not need to be mutable Nov 30 19:17:17.484 INFO [stderr] --> examples/pub.rs:14:9 Nov 30 19:17:17.484 INFO [stderr] | Nov 30 19:17:17.484 INFO [stderr] 14 | let mut args: Vec<_> = env::args().collect(); Nov 30 19:17:17.484 INFO [stderr] | ----^^^^ Nov 30 19:17:17.484 INFO [stderr] | | Nov 30 19:17:17.484 INFO [stderr] | help: remove this `mut` Nov 30 19:17:17.484 INFO [stderr] | Nov 30 19:17:17.484 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 30 19:17:17.484 INFO [stderr] Nov 30 19:17:17.556 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.19s Nov 30 19:17:17.559 INFO [stderr] su: No module specific data is present Nov 30 19:17:18.516 INFO running `"docker" "inspect" "b636a4f21fe4be5680fb75b4a04f75774f2a833cae44549afbe22b267abacf46"` Nov 30 19:17:18.681 INFO running `"docker" "rm" "-f" "b636a4f21fe4be5680fb75b4a04f75774f2a833cae44549afbe22b267abacf46"` Nov 30 19:17:18.932 INFO [stdout] b636a4f21fe4be5680fb75b4a04f75774f2a833cae44549afbe22b267abacf46