Nov 30 05:49:36.444 INFO checking bstrydo/xconf against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 05:49:36.444 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 05:49:37.024 INFO [stdout] 0662dfc4c6d54b495e010708f4005a87cce7c52f1019e7a84b4050a3053cf9c4
Nov 30 05:49:37.027 INFO running `"docker" "start" "-a" "0662dfc4c6d54b495e010708f4005a87cce7c52f1019e7a84b4050a3053cf9c4"`
Nov 30 05:49:39.515 INFO [stderr] usermod: no changes
Nov 30 05:49:39.764 INFO [stderr]     Checking idna v0.1.2
Nov 30 05:49:42.002 INFO [stderr]     Checking url v1.5.1
Nov 30 05:49:43.714 INFO [stderr]     Checking hyper v0.10.12
Nov 30 05:49:47.714 INFO [stderr]     Checking iron v0.5.1
Nov 30 05:49:49.172 INFO [stderr]     Checking router v0.5.1
Nov 30 05:49:50.706 INFO [stderr]     Checking xconf v0.1.0 (/source)
Nov 30 05:49:52.878 INFO [stderr] warning: variable `weird` is assigned to, but never used
Nov 30 05:49:52.878 INFO [stderr]   --> src/bin/lifetimes.rs:11:9
Nov 30 05:49:52.878 INFO [stderr]    |
Nov 30 05:49:52.878 INFO [stderr] 11 |     let weird; //starts living here
Nov 30 05:49:52.878 INFO [stderr]    |         ^^^^^
Nov 30 05:49:52.878 INFO [stderr]    |
Nov 30 05:49:52.878 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 05:49:52.878 INFO [stderr]    = note: consider using `_weird` instead
Nov 30 05:49:52.878 INFO [stderr] 
Nov 30 05:49:52.878 INFO [stderr] warning: value assigned to `weird` is never read
Nov 30 05:49:52.878 INFO [stderr]   --> src/bin/lifetimes.rs:15:9
Nov 30 05:49:52.878 INFO [stderr]    |
Nov 30 05:49:52.878 INFO [stderr] 15 |         weird = do_something_weird(&my_v1, 3, my_v2);
Nov 30 05:49:52.878 INFO [stderr]    |         ^^^^^
Nov 30 05:49:52.878 INFO [stderr]    |
Nov 30 05:49:52.878 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 05:49:52.878 INFO [stderr] 
Nov 30 05:49:53.448 INFO [stderr] warning: variable `weird` is assigned to, but never used
Nov 30 05:49:53.448 INFO [stderr]   --> src/bin/lifetimes.rs:11:9
Nov 30 05:49:53.449 INFO [stderr]    |
Nov 30 05:49:53.449 INFO [stderr] 11 |     let weird; //starts living here
Nov 30 05:49:53.449 INFO [stderr]    |         ^^^^^
Nov 30 05:49:53.472 INFO [stderr]    |
Nov 30 05:49:53.473 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 05:49:53.473 INFO [stderr]    = note: consider using `_weird` instead
Nov 30 05:49:53.473 INFO [stderr] 
Nov 30 05:49:53.474 INFO [stderr] warning: value assigned to `weird` is never read
Nov 30 05:49:53.474 INFO [stderr]   --> src/bin/lifetimes.rs:15:9
Nov 30 05:49:53.474 INFO [stderr]    |
Nov 30 05:49:53.475 INFO [stderr] 15 |         weird = do_something_weird(&my_v1, 3, my_v2);
Nov 30 05:49:53.475 INFO [stderr]    |         ^^^^^
Nov 30 05:49:53.475 INFO [stderr]    |
Nov 30 05:49:53.476 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 05:49:53.476 INFO [stderr] 
Nov 30 05:49:53.948 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:49:53.948 INFO [stderr]   --> src/bin/thread_example.rs:12:9
Nov 30 05:49:53.948 INFO [stderr]    |
Nov 30 05:49:53.948 INFO [stderr] 12 |     let mut handles = vec![
Nov 30 05:49:53.948 INFO [stderr]    |         ----^^^^^^^
Nov 30 05:49:53.949 INFO [stderr]    |         |
Nov 30 05:49:53.949 INFO [stderr]    |         help: remove this `mut`
Nov 30 05:49:53.949 INFO [stderr]    |
Nov 30 05:49:53.949 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 05:49:53.950 INFO [stderr] 
Nov 30 05:49:54.100 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:49:54.101 INFO [stderr]   --> src/bin/thread_example.rs:18:9
Nov 30 05:49:54.101 INFO [stderr]    |
Nov 30 05:49:54.101 INFO [stderr] 18 |         handle.join();
Nov 30 05:49:54.101 INFO [stderr]    |         ^^^^^^^^^^^^^^
Nov 30 05:49:54.102 INFO [stderr]    |
Nov 30 05:49:54.102 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 05:49:54.102 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:49:54.102 INFO [stderr] 
Nov 30 05:49:56.038 INFO [stderr] warning: variable does not need to be mutable
Nov 30 05:49:56.038 INFO [stderr]   --> src/bin/thread_example.rs:12:9
Nov 30 05:49:56.038 INFO [stderr]    |
Nov 30 05:49:56.038 INFO [stderr] 12 |     let mut handles = vec![
Nov 30 05:49:56.038 INFO [stderr]    |         ----^^^^^^^
Nov 30 05:49:56.038 INFO [stderr]    |         |
Nov 30 05:49:56.038 INFO [stderr]    |         help: remove this `mut`
Nov 30 05:49:56.038 INFO [stderr]    |
Nov 30 05:49:56.038 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 05:49:56.038 INFO [stderr] 
Nov 30 05:49:56.132 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 05:49:56.133 INFO [stderr]   --> src/bin/thread_example.rs:18:9
Nov 30 05:49:56.133 INFO [stderr]    |
Nov 30 05:49:56.133 INFO [stderr] 18 |         handle.join();
Nov 30 05:49:56.133 INFO [stderr]    |         ^^^^^^^^^^^^^^
Nov 30 05:49:56.152 INFO [stderr]    |
Nov 30 05:49:56.153 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 05:49:56.153 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 05:49:56.153 INFO [stderr] 
Nov 30 05:49:57.884 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.31s
Nov 30 05:49:57.896 INFO [stderr] su: No module specific data is present
Nov 30 05:49:59.056 INFO running `"docker" "inspect" "0662dfc4c6d54b495e010708f4005a87cce7c52f1019e7a84b4050a3053cf9c4"`
Nov 30 05:49:59.406 INFO running `"docker" "rm" "-f" "0662dfc4c6d54b495e010708f4005a87cce7c52f1019e7a84b4050a3053cf9c4"`
Nov 30 05:49:59.680 INFO [stdout] 0662dfc4c6d54b495e010708f4005a87cce7c52f1019e7a84b4050a3053cf9c4