Dec 18 02:54:34.304 INFO checking bstrydo/xconf against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 02:54:34.304 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/bstrydo/xconf:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 02:54:34.876 INFO [stdout] 4f627cf2e0d6a0a727dddc4201ff5edddd9623fba67a1a7d8fe78c0408154414
Dec 18 02:54:34.878 INFO running `"docker" "start" "-a" "4f627cf2e0d6a0a727dddc4201ff5edddd9623fba67a1a7d8fe78c0408154414"`
Dec 18 02:54:37.704 INFO [stderr]    Compiling version_check v0.1.3
Dec 18 02:54:37.706 INFO [stderr]     Checking idna v0.1.2
Dec 18 02:54:39.339 INFO [stderr]    Compiling unicase v1.4.2
Dec 18 02:54:41.036 INFO [stderr]     Checking url v1.5.1
Dec 18 02:54:42.325 INFO [stderr]     Checking hyper v0.10.12
Dec 18 02:54:46.036 INFO [stderr]     Checking iron v0.5.1
Dec 18 02:54:46.924 INFO [stderr]     Checking router v0.5.1
Dec 18 02:54:47.590 INFO [stderr]     Checking xconf v0.1.0 (/opt/crater/workdir)
Dec 18 02:54:48.744 INFO [stderr] warning: variable `weird` is assigned to, but never used
Dec 18 02:54:48.745 INFO [stderr]   --> src/bin/lifetimes.rs:11:9
Dec 18 02:54:48.745 INFO [stderr]    |
Dec 18 02:54:48.745 INFO [stderr] 11 |     let weird; //starts living here
Dec 18 02:54:48.745 INFO [stderr]    |         ^^^^^
Dec 18 02:54:48.752 INFO [stderr]    |
Dec 18 02:54:48.753 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 02:54:48.753 INFO [stderr]    = note: consider using `_weird` instead
Dec 18 02:54:48.753 INFO [stderr] 
Dec 18 02:54:48.754 INFO [stderr] warning: value assigned to `weird` is never read
Dec 18 02:54:48.754 INFO [stderr]   --> src/bin/lifetimes.rs:15:9
Dec 18 02:54:48.754 INFO [stderr]    |
Dec 18 02:54:48.754 INFO [stderr] 15 |         weird = do_something_weird(&my_v1, 3, my_v2);
Dec 18 02:54:48.754 INFO [stderr]    |         ^^^^^
Dec 18 02:54:48.755 INFO [stderr]    |
Dec 18 02:54:48.755 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 02:54:48.755 INFO [stderr] 
Dec 18 02:54:49.704 INFO [stderr] warning: variable `weird` is assigned to, but never used
Dec 18 02:54:49.705 INFO [stderr]   --> src/bin/lifetimes.rs:11:9
Dec 18 02:54:49.705 INFO [stderr]    |
Dec 18 02:54:49.705 INFO [stderr] 11 |     let weird; //starts living here
Dec 18 02:54:49.706 INFO [stderr]    |         ^^^^^
Dec 18 02:54:49.706 INFO [stderr]    |
Dec 18 02:54:49.706 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 02:54:49.706 INFO [stderr]    = note: consider using `_weird` instead
Dec 18 02:54:49.706 INFO [stderr] 
Dec 18 02:54:49.707 INFO [stderr] warning: value assigned to `weird` is never read
Dec 18 02:54:49.707 INFO [stderr]   --> src/bin/lifetimes.rs:15:9
Dec 18 02:54:49.707 INFO [stderr]    |
Dec 18 02:54:49.708 INFO [stderr] 15 |         weird = do_something_weird(&my_v1, 3, my_v2);
Dec 18 02:54:49.708 INFO [stderr]    |         ^^^^^
Dec 18 02:54:49.708 INFO [stderr]    |
Dec 18 02:54:49.708 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 02:54:49.709 INFO [stderr] 
Dec 18 02:54:50.272 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:54:50.273 INFO [stderr]   --> src/bin/thread_example.rs:12:9
Dec 18 02:54:50.273 INFO [stderr]    |
Dec 18 02:54:50.273 INFO [stderr] 12 |     let mut handles = vec![
Dec 18 02:54:50.273 INFO [stderr]    |         ----^^^^^^^
Dec 18 02:54:50.274 INFO [stderr]    |         |
Dec 18 02:54:50.274 INFO [stderr]    |         help: remove this `mut`
Dec 18 02:54:50.292 INFO [stderr]    |
Dec 18 02:54:50.293 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 02:54:50.293 INFO [stderr] 
Dec 18 02:54:50.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 02:54:50.356 INFO [stderr]   --> src/bin/thread_example.rs:18:9
Dec 18 02:54:50.356 INFO [stderr]    |
Dec 18 02:54:50.356 INFO [stderr] 18 |         handle.join();
Dec 18 02:54:50.356 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 18 02:54:50.364 INFO [stderr]    |
Dec 18 02:54:50.364 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 02:54:50.364 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 02:54:50.364 INFO [stderr] 
Dec 18 02:54:50.480 INFO [stderr] warning: variable does not need to be mutable
Dec 18 02:54:50.480 INFO [stderr]   --> src/bin/thread_example.rs:12:9
Dec 18 02:54:50.481 INFO [stderr]    |
Dec 18 02:54:50.481 INFO [stderr] 12 |     let mut handles = vec![
Dec 18 02:54:50.481 INFO [stderr]    |         ----^^^^^^^
Dec 18 02:54:50.481 INFO [stderr]    |         |
Dec 18 02:54:50.481 INFO [stderr]    |         help: remove this `mut`
Dec 18 02:54:50.482 INFO [stderr]    |
Dec 18 02:54:50.482 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 02:54:50.482 INFO [stderr] 
Dec 18 02:54:50.528 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 02:54:50.528 INFO [stderr]   --> src/bin/thread_example.rs:18:9
Dec 18 02:54:50.528 INFO [stderr]    |
Dec 18 02:54:50.528 INFO [stderr] 18 |         handle.join();
Dec 18 02:54:50.528 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 18 02:54:50.532 INFO [stderr]    |
Dec 18 02:54:50.532 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 02:54:50.532 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 02:54:50.532 INFO [stderr] 
Dec 18 02:54:50.761 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.17s
Dec 18 02:54:52.138 INFO running `"docker" "inspect" "4f627cf2e0d6a0a727dddc4201ff5edddd9623fba67a1a7d8fe78c0408154414"`
Dec 18 02:54:52.404 INFO running `"docker" "rm" "-f" "4f627cf2e0d6a0a727dddc4201ff5edddd9623fba67a1a7d8fe78c0408154414"`
Dec 18 02:54:52.749 INFO [stdout] 4f627cf2e0d6a0a727dddc4201ff5edddd9623fba67a1a7d8fe78c0408154414