Dec 17 22:47:52.484 INFO checking iseurie/dwmstatus against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:47:52.484 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/iseurie/dwmstatus:/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 17 22:47:52.940 INFO [stdout] 60b7f574d3dfc6c3653f1504c9195cb17a2d8915a4c2f0d2a950b326c9082b26
Dec 17 22:47:52.946 INFO running `"docker" "start" "-a" "60b7f574d3dfc6c3653f1504c9195cb17a2d8915a4c2f0d2a950b326c9082b26"`
Dec 17 22:47:54.296 INFO [stderr]    Compiling x11 v2.15.0
Dec 17 22:47:54.296 INFO [stderr]     Checking x11-dl v2.15.0
Dec 17 22:47:59.851 INFO [stderr]     Checking dwmstatus v0.1.0 (/opt/crater/workdir)
Dec 17 22:48:00.200 INFO [stderr] warning: unused import: `Path`
Dec 17 22:48:00.200 INFO [stderr]  --> src/stat/power.rs:1:19
Dec 17 22:48:00.200 INFO [stderr]   |
Dec 17 22:48:00.200 INFO [stderr] 1 | use ::std::path::{Path, PathBuf};
Dec 17 22:48:00.200 INFO [stderr]   |                   ^^^^
Dec 17 22:48:00.200 INFO [stderr]   |
Dec 17 22:48:00.200 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:48:00.200 INFO [stderr] 
Dec 17 22:48:00.200 INFO [stderr] warning: unused import: `::std::io::prelude::*`
Dec 17 22:48:00.200 INFO [stderr]  --> src/write/cli.rs:2:5
Dec 17 22:48:00.200 INFO [stderr]   |
Dec 17 22:48:00.200 INFO [stderr] 2 | use ::std::io::prelude::*;
Dec 17 22:48:00.200 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:48:00.200 INFO [stderr] 
Dec 17 22:48:00.308 INFO [stderr] warning: unused import: `Path`
Dec 17 22:48:00.308 INFO [stderr]  --> src/stat/power.rs:1:19
Dec 17 22:48:00.308 INFO [stderr]   |
Dec 17 22:48:00.308 INFO [stderr] 1 | use ::std::path::{Path, PathBuf};
Dec 17 22:48:00.308 INFO [stderr]   |                   ^^^^
Dec 17 22:48:00.308 INFO [stderr]   |
Dec 17 22:48:00.308 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:48:00.308 INFO [stderr] 
Dec 17 22:48:00.308 INFO [stderr] warning: unused import: `::std::io::prelude::*`
Dec 17 22:48:00.308 INFO [stderr]  --> src/write/cli.rs:2:5
Dec 17 22:48:00.308 INFO [stderr]   |
Dec 17 22:48:00.308 INFO [stderr] 2 | use ::std::io::prelude::*;
Dec 17 22:48:00.308 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:48:00.308 INFO [stderr] 
Dec 17 22:48:00.476 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:48:00.476 INFO [stderr]   --> src/stat/power.rs:31:13
Dec 17 22:48:00.476 INFO [stderr]    |
Dec 17 22:48:00.476 INFO [stderr] 31 |         let mut ret = String::from("PW [") + &status[0..1];
Dec 17 22:48:00.476 INFO [stderr]    |             ----^^^
Dec 17 22:48:00.476 INFO [stderr]    |             |
Dec 17 22:48:00.476 INFO [stderr]    |             help: remove this `mut`
Dec 17 22:48:00.476 INFO [stderr]    |
Dec 17 22:48:00.476 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 22:48:00.476 INFO [stderr] 
Dec 17 22:48:00.481 INFO [stderr] warning: method is never used: `with_dpy`
Dec 17 22:48:00.481 INFO [stderr]   --> src/write/x11.rs:19:5
Dec 17 22:48:00.481 INFO [stderr]    |
Dec 17 22:48:00.481 INFO [stderr] 19 |     pub fn with_dpy(name: &str) -> Option<Result<Self, NulError>> {
Dec 17 22:48:00.481 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:48:00.481 INFO [stderr]    |
Dec 17 22:48:00.481 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 22:48:00.481 INFO [stderr] 
Dec 17 22:48:00.500 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:48:00.500 INFO [stderr]   --> src/stat/power.rs:31:13
Dec 17 22:48:00.500 INFO [stderr]    |
Dec 17 22:48:00.500 INFO [stderr] 31 |         let mut ret = String::from("PW [") + &status[0..1];
Dec 17 22:48:00.500 INFO [stderr]    |             ----^^^
Dec 17 22:48:00.500 INFO [stderr]    |             |
Dec 17 22:48:00.500 INFO [stderr]    |             help: remove this `mut`
Dec 17 22:48:00.500 INFO [stderr]    |
Dec 17 22:48:00.500 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 22:48:00.500 INFO [stderr] 
Dec 17 22:48:00.508 INFO [stderr] warning: method is never used: `with_dpy`
Dec 17 22:48:00.508 INFO [stderr]   --> src/write/x11.rs:19:5
Dec 17 22:48:00.508 INFO [stderr]    |
Dec 17 22:48:00.508 INFO [stderr] 19 |     pub fn with_dpy(name: &str) -> Option<Result<Self, NulError>> {
Dec 17 22:48:00.508 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:48:00.508 INFO [stderr]    |
Dec 17 22:48:00.508 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 22:48:00.508 INFO [stderr] 
Dec 17 22:48:00.544 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:48:00.544 INFO [stderr]   --> src/write/cli.rs:18:9
Dec 17 22:48:00.544 INFO [stderr]    |
Dec 17 22:48:00.544 INFO [stderr] 18 |         self.writer.write(&[b'\r']);
Dec 17 22:48:00.544 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:48:00.544 INFO [stderr]    |
Dec 17 22:48:00.544 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 22:48:00.544 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:48:00.544 INFO [stderr] 
Dec 17 22:48:00.544 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:48:00.544 INFO [stderr]   --> src/write/cli.rs:19:9
Dec 17 22:48:00.544 INFO [stderr]    |
Dec 17 22:48:00.544 INFO [stderr] 19 |         self.writer.write(status.as_bytes());
Dec 17 22:48:00.544 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:48:00.544 INFO [stderr]    |
Dec 17 22:48:00.544 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:48:00.544 INFO [stderr] 
Dec 17 22:48:00.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:48:00.545 INFO [stderr]   --> src/write/cli.rs:18:9
Dec 17 22:48:00.545 INFO [stderr]    |
Dec 17 22:48:00.545 INFO [stderr] 18 |         self.writer.write(&[b'\r']);
Dec 17 22:48:00.545 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:48:00.545 INFO [stderr]    |
Dec 17 22:48:00.545 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 22:48:00.545 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:48:00.545 INFO [stderr] 
Dec 17 22:48:00.545 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 22:48:00.545 INFO [stderr]   --> src/write/cli.rs:19:9
Dec 17 22:48:00.545 INFO [stderr]    |
Dec 17 22:48:00.545 INFO [stderr] 19 |         self.writer.write(status.as_bytes());
Dec 17 22:48:00.545 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:48:00.545 INFO [stderr]    |
Dec 17 22:48:00.545 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 22:48:00.545 INFO [stderr] 
Dec 17 22:48:00.656 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.44s
Dec 17 22:48:01.900 INFO running `"docker" "inspect" "60b7f574d3dfc6c3653f1504c9195cb17a2d8915a4c2f0d2a950b326c9082b26"`
Dec 17 22:48:02.210 INFO running `"docker" "rm" "-f" "60b7f574d3dfc6c3653f1504c9195cb17a2d8915a4c2f0d2a950b326c9082b26"`
Dec 17 22:48:02.641 INFO [stdout] 60b7f574d3dfc6c3653f1504c9195cb17a2d8915a4c2f0d2a950b326c9082b26