Nov 30 05:49:35.798 INFO checking bstrydo/xconf against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 05:49:35.798 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 05:49:36.332 INFO [stdout] effaa5b72ca1bbbb2c700b7ed6c6d429e1a0fb40fe558e7d6dc6cc7987ef9d25
Nov 30 05:49:36.338 INFO running `"docker" "start" "-a" "effaa5b72ca1bbbb2c700b7ed6c6d429e1a0fb40fe558e7d6dc6cc7987ef9d25"`
Nov 30 05:49:38.192 INFO [stderr] usermod: no changes
Nov 30 05:49:38.352 INFO [stderr]     Checking idna v0.1.2
Nov 30 05:49:40.394 INFO [stderr]     Checking url v1.5.1
Nov 30 05:49:42.050 INFO [stderr]     Checking hyper v0.10.12
Nov 30 05:49:46.325 INFO [stderr]     Checking iron v0.5.1
Nov 30 05:49:47.827 INFO [stderr]     Checking router v0.5.1
Nov 30 05:49:49.375 INFO [stderr]     Checking xconf v0.1.0 (/source)
Nov 30 05:49:51.684 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:49:51.685 INFO [stderr]   --> src/bin/thread_example.rs:12:9
Nov 30 05:49:51.685 INFO [stderr]    |
Nov 30 05:49:51.685 INFO [stderr] 12 |     let mut handles = vec![
Nov 30 05:49:51.686 INFO [stderr]    |         ----^^^^^^^
Nov 30 05:49:51.686 INFO [stderr]    |         |
Nov 30 05:49:51.686 INFO [stderr]    |         help: remove this `mut`
Nov 30 05:49:51.686 INFO [stderr]    |
Nov 30 05:49:51.687 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 05:49:51.687 INFO [stderr] 
Nov 30 05:49:51.817 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:49:51.817 INFO [stderr]   --> src/bin/thread_example.rs:18:9
Nov 30 05:49:51.817 INFO [stderr]    |
Nov 30 05:49:51.817 INFO [stderr] 18 |         handle.join();
Nov 30 05:49:51.817 INFO [stderr]    |         ^^^^^^^^^^^^^^
Nov 30 05:49:51.817 INFO [stderr]    |
Nov 30 05:49:51.817 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 05:49:51.817 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:49:51.817 INFO [stderr] 
Nov 30 05:49:52.148 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:49:52.149 INFO [stderr]   --> src/bin/thread_example.rs:12:9
Nov 30 05:49:52.149 INFO [stderr]    |
Nov 30 05:49:52.149 INFO [stderr] 12 |     let mut handles = vec![
Nov 30 05:49:52.150 INFO [stderr]    |         ----^^^^^^^
Nov 30 05:49:52.150 INFO [stderr]    |         |
Nov 30 05:49:52.150 INFO [stderr]    |         help: remove this `mut`
Nov 30 05:49:52.151 INFO [stderr]    |
Nov 30 05:49:52.151 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 05:49:52.151 INFO [stderr] 
Nov 30 05:49:52.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:49:52.265 INFO [stderr]   --> src/bin/thread_example.rs:18:9
Nov 30 05:49:52.265 INFO [stderr]    |
Nov 30 05:49:52.265 INFO [stderr] 18 |         handle.join();
Nov 30 05:49:52.265 INFO [stderr]    |         ^^^^^^^^^^^^^^
Nov 30 05:49:52.265 INFO [stderr]    |
Nov 30 05:49:52.265 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 05:49:52.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:49:52.265 INFO [stderr] 
Nov 30 05:49:54.483 INFO [stderr] warning: variable `weird` is assigned to, but never used
Nov 30 05:49:54.483 INFO [stderr]   --> src/bin/lifetimes.rs:11:9
Nov 30 05:49:54.483 INFO [stderr]    |
Nov 30 05:49:54.483 INFO [stderr] 11 |     let weird; //starts living here
Nov 30 05:49:54.483 INFO [stderr]    |         ^^^^^
Nov 30 05:49:54.500 INFO [stderr]    |
Nov 30 05:49:54.500 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 05:49:54.500 INFO [stderr]    = note: consider using `_weird` instead
Nov 30 05:49:54.500 INFO [stderr] 
Nov 30 05:49:54.500 INFO [stderr] warning: value assigned to `weird` is never read
Nov 30 05:49:54.500 INFO [stderr]   --> src/bin/lifetimes.rs:15:9
Nov 30 05:49:54.500 INFO [stderr]    |
Nov 30 05:49:54.501 INFO [stderr] 15 |         weird = do_something_weird(&my_v1, 3, my_v2);
Nov 30 05:49:54.501 INFO [stderr]    |         ^^^^^
Nov 30 05:49:54.501 INFO [stderr]    |
Nov 30 05:49:54.501 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 05:49:54.508 INFO [stderr] 
Nov 30 05:49:54.640 INFO [stderr] warning: variable `weird` is assigned to, but never used
Nov 30 05:49:54.641 INFO [stderr]   --> src/bin/lifetimes.rs:11:9
Nov 30 05:49:54.641 INFO [stderr]    |
Nov 30 05:49:54.641 INFO [stderr] 11 |     let weird; //starts living here
Nov 30 05:49:54.641 INFO [stderr]    |         ^^^^^
Nov 30 05:49:54.642 INFO [stderr]    |
Nov 30 05:49:54.642 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 05:49:54.642 INFO [stderr]    = note: consider using `_weird` instead
Nov 30 05:49:54.642 INFO [stderr] 
Nov 30 05:49:54.642 INFO [stderr] warning: value assigned to `weird` is never read
Nov 30 05:49:54.643 INFO [stderr]   --> src/bin/lifetimes.rs:15:9
Nov 30 05:49:54.643 INFO [stderr]    |
Nov 30 05:49:54.643 INFO [stderr] 15 |         weird = do_something_weird(&my_v1, 3, my_v2);
Nov 30 05:49:54.643 INFO [stderr]    |         ^^^^^
Nov 30 05:49:54.644 INFO [stderr]    |
Nov 30 05:49:54.644 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 05:49:54.644 INFO [stderr] 
Nov 30 05:49:56.424 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.19s
Nov 30 05:49:56.449 INFO [stderr] su: No module specific data is present
Nov 30 05:49:57.786 INFO running `"docker" "inspect" "effaa5b72ca1bbbb2c700b7ed6c6d429e1a0fb40fe558e7d6dc6cc7987ef9d25"`
Nov 30 05:49:58.112 INFO running `"docker" "rm" "-f" "effaa5b72ca1bbbb2c700b7ed6c6d429e1a0fb40fe558e7d6dc6cc7987ef9d25"`
Nov 30 05:49:58.476 INFO [stdout] effaa5b72ca1bbbb2c700b7ed6c6d429e1a0fb40fe558e7d6dc6cc7987ef9d25