Dec 04 21:26:15.668 INFO checking bstrydo/xconf against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 21:26:15.668 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 21:26:16.067 INFO [stdout] 59a68a97629a851b3c35fd97e08ee14274b7ce152659e126b4cc433f1a091811
Dec 04 21:26:16.075 INFO running `"docker" "start" "-a" "59a68a97629a851b3c35fd97e08ee14274b7ce152659e126b4cc433f1a091811"`
Dec 04 21:26:17.433 INFO [stderr] usermod: no changes
Dec 04 21:26:17.623 INFO [stderr]     Checking idna v0.1.2
Dec 04 21:26:19.790 INFO [stderr]     Checking url v1.5.1
Dec 04 21:26:21.366 INFO [stderr]     Checking hyper v0.10.12
Dec 04 21:26:25.241 INFO [stderr]     Checking iron v0.5.1
Dec 04 21:26:26.851 INFO [stderr]     Checking router v0.5.1
Dec 04 21:26:28.566 INFO [stderr]     Checking xconf v0.1.0 (/source)
Dec 04 21:26:30.929 INFO [stderr] warning: variable `weird` is assigned to, but never used
Dec 04 21:26:30.929 INFO [stderr]   --> src/bin/lifetimes.rs:11:9
Dec 04 21:26:30.929 INFO [stderr]    |
Dec 04 21:26:30.929 INFO [stderr] 11 |     let weird; //starts living here
Dec 04 21:26:30.929 INFO [stderr]    |         ^^^^^
Dec 04 21:26:30.943 INFO [stderr]    |
Dec 04 21:26:30.943 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 21:26:30.943 INFO [stderr]    = note: consider using `_weird` instead
Dec 04 21:26:30.943 INFO [stderr] 
Dec 04 21:26:30.943 INFO [stderr] warning: value assigned to `weird` is never read
Dec 04 21:26:30.943 INFO [stderr]   --> src/bin/lifetimes.rs:15:9
Dec 04 21:26:30.944 INFO [stderr]    |
Dec 04 21:26:30.944 INFO [stderr] 15 |         weird = do_something_weird(&my_v1, 3, my_v2);
Dec 04 21:26:30.944 INFO [stderr]    |         ^^^^^
Dec 04 21:26:30.950 INFO [stderr]    |
Dec 04 21:26:31.007 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 21:26:31.007 INFO [stderr] 
Dec 04 21:26:31.451 INFO [stderr] warning: variable `weird` is assigned to, but never used
Dec 04 21:26:31.451 INFO [stderr]   --> src/bin/lifetimes.rs:11:9
Dec 04 21:26:31.451 INFO [stderr]    |
Dec 04 21:26:31.451 INFO [stderr] 11 |     let weird; //starts living here
Dec 04 21:26:31.452 INFO [stderr]    |         ^^^^^
Dec 04 21:26:31.475 INFO [stderr]    |
Dec 04 21:26:31.475 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 21:26:31.476 INFO [stderr]    = note: consider using `_weird` instead
Dec 04 21:26:31.476 INFO [stderr] 
Dec 04 21:26:31.476 INFO [stderr] warning: value assigned to `weird` is never read
Dec 04 21:26:31.476 INFO [stderr]   --> src/bin/lifetimes.rs:15:9
Dec 04 21:26:31.477 INFO [stderr]    |
Dec 04 21:26:31.477 INFO [stderr] 15 |         weird = do_something_weird(&my_v1, 3, my_v2);
Dec 04 21:26:31.477 INFO [stderr]    |         ^^^^^
Dec 04 21:26:31.477 INFO [stderr]    |
Dec 04 21:26:31.478 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 21:26:31.478 INFO [stderr] 
Dec 04 21:26:31.749 INFO [stderr] warning: variable does not need to be mutable
Dec 04 21:26:31.749 INFO [stderr]   --> src/bin/thread_example.rs:12:9
Dec 04 21:26:31.749 INFO [stderr]    |
Dec 04 21:26:31.749 INFO [stderr] 12 |     let mut handles = vec![
Dec 04 21:26:31.749 INFO [stderr]    |         ----^^^^^^^
Dec 04 21:26:31.749 INFO [stderr]    |         |
Dec 04 21:26:31.749 INFO [stderr]    |         help: remove this `mut`
Dec 04 21:26:31.763 INFO [stderr]    |
Dec 04 21:26:31.763 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 21:26:31.763 INFO [stderr] 
Dec 04 21:26:31.871 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 21:26:31.871 INFO [stderr]   --> src/bin/thread_example.rs:18:9
Dec 04 21:26:31.871 INFO [stderr]    |
Dec 04 21:26:31.871 INFO [stderr] 18 |         handle.join();
Dec 04 21:26:31.871 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 04 21:26:31.875 INFO [stderr]    |
Dec 04 21:26:31.875 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 21:26:31.875 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 21:26:31.875 INFO [stderr] 
Dec 04 21:26:33.251 INFO [stderr] warning: variable does not need to be mutable
Dec 04 21:26:33.251 INFO [stderr]   --> src/bin/thread_example.rs:12:9
Dec 04 21:26:33.251 INFO [stderr]    |
Dec 04 21:26:33.251 INFO [stderr] 12 |     let mut handles = vec![
Dec 04 21:26:33.251 INFO [stderr]    |         ----^^^^^^^
Dec 04 21:26:33.251 INFO [stderr]    |         |
Dec 04 21:26:33.251 INFO [stderr]    |         help: remove this `mut`
Dec 04 21:26:33.263 INFO [stderr]    |
Dec 04 21:26:33.265 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 21:26:33.265 INFO [stderr] 
Dec 04 21:26:33.371 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 21:26:33.371 INFO [stderr]   --> src/bin/thread_example.rs:18:9
Dec 04 21:26:33.371 INFO [stderr]    |
Dec 04 21:26:33.371 INFO [stderr] 18 |         handle.join();
Dec 04 21:26:33.371 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 04 21:26:33.371 INFO [stderr]    |
Dec 04 21:26:33.371 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 21:26:33.371 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 21:26:33.371 INFO [stderr] 
Dec 04 21:26:35.564 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.09s
Dec 04 21:26:35.579 INFO [stderr] su: No module specific data is present
Dec 04 21:26:36.452 INFO running `"docker" "inspect" "59a68a97629a851b3c35fd97e08ee14274b7ce152659e126b4cc433f1a091811"`
Dec 04 21:26:36.797 INFO running `"docker" "rm" "-f" "59a68a97629a851b3c35fd97e08ee14274b7ce152659e126b4cc433f1a091811"`
Dec 04 21:26:37.211 INFO [stdout] 59a68a97629a851b3c35fd97e08ee14274b7ce152659e126b4cc433f1a091811