[INFO] updating cached repository iseurie/dwmstatus
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iseurie/dwmstatus
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iseurie/dwmstatus" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/iseurie/dwmstatus"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/iseurie/dwmstatus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iseurie/dwmstatus" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/iseurie/dwmstatus"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/iseurie/dwmstatus'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 372cd5c916db946efe0756ef6ce9d78118805197
[INFO] sha for GitHub repo iseurie/dwmstatus: 372cd5c916db946efe0756ef6ce9d78118805197
[INFO] validating manifest of iseurie/dwmstatus on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iseurie/dwmstatus on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iseurie/dwmstatus
[INFO] finished frobbing iseurie/dwmstatus
[INFO] frobbed toml for iseurie/dwmstatus written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/iseurie/dwmstatus/Cargo.toml
[INFO] started frobbing iseurie/dwmstatus
[INFO] finished frobbing iseurie/dwmstatus
[INFO] frobbed toml for iseurie/dwmstatus written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/iseurie/dwmstatus/Cargo.toml
[INFO] crate iseurie/dwmstatus has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking iseurie/dwmstatus against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-4/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3de945bc92c09826da7ceeb32787da07c5dc75e9eeeb1180c23ae655591464e9
[INFO] running `"docker" "start" "-a" "3de945bc92c09826da7ceeb32787da07c5dc75e9eeeb1180c23ae655591464e9"`
[INFO] [stderr]    Compiling x11 v2.15.0
[INFO] [stderr]     Checking x11-dl v2.15.0
[INFO] [stderr]     Checking dwmstatus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/stat/power.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::std::path::{Path, PathBuf};
[INFO] [stderr]   |                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::std::io::prelude::*`
[INFO] [stderr]  --> src/write/cli.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ::std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/stat/power.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::std::path::{Path, PathBuf};
[INFO] [stderr]   |                   ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::std::io::prelude::*`
[INFO] [stderr]  --> src/write/cli.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ::std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/stat/power.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut ret = String::from("PW [") + &status[0..1];
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_dpy`
[INFO] [stderr]   --> src/write/x11.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn with_dpy(name: &str) -> Option<Result<Self, NulError>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/write/cli.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         self.writer.write(&[b'\r']);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/write/cli.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         self.writer.write(status.as_bytes());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/stat/power.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let mut ret = String::from("PW [") + &status[0..1];
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_dpy`
[INFO] [stderr]   --> src/write/x11.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn with_dpy(name: &str) -> Option<Result<Self, NulError>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/write/cli.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         self.writer.write(&[b'\r']);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/write/cli.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         self.writer.write(status.as_bytes());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `"docker" "inspect" "3de945bc92c09826da7ceeb32787da07c5dc75e9eeeb1180c23ae655591464e9"`
[INFO] running `"docker" "rm" "-f" "3de945bc92c09826da7ceeb32787da07c5dc75e9eeeb1180c23ae655591464e9"`
[INFO] [stdout] 3de945bc92c09826da7ceeb32787da07c5dc75e9eeeb1180c23ae655591464e9