Dec 19 15:36:49.401 INFO checking iseurie/dwmstatus against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:36:49.401 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:36:49.832 INFO [stdout] 572ea491f4caf5812c323478c895903a424496efc4fb9485d95fe2b242fc3cbd
Dec 19 15:36:49.836 INFO running `"docker" "start" "-a" "572ea491f4caf5812c323478c895903a424496efc4fb9485d95fe2b242fc3cbd"`
Dec 19 15:36:51.452 INFO [stderr]    Compiling error-chain v0.10.0
Dec 19 15:36:51.452 INFO [stderr]    Compiling toml v0.2.1
Dec 19 15:36:54.520 INFO [stderr]    Compiling metadeps v1.1.2
Dec 19 15:36:55.637 INFO [stderr]    Compiling x11 v2.15.0
Dec 19 15:36:58.740 INFO [stderr]     Checking dwmstatus v0.1.0 (/opt/crater/workdir)
Dec 19 15:36:59.076 INFO [stderr] warning: unused import: `Path`
Dec 19 15:36:59.076 INFO [stderr]  --> src/stat/power.rs:1:19
Dec 19 15:36:59.076 INFO [stderr]   |
Dec 19 15:36:59.076 INFO [stderr] 1 | use ::std::path::{Path, PathBuf};
Dec 19 15:36:59.076 INFO [stderr]   |                   ^^^^
Dec 19 15:36:59.076 INFO [stderr]   |
Dec 19 15:36:59.076 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:36:59.076 INFO [stderr] 
Dec 19 15:36:59.076 INFO [stderr] warning: unused import: `::std::io::prelude::*`
Dec 19 15:36:59.076 INFO [stderr]  --> src/write/cli.rs:2:5
Dec 19 15:36:59.076 INFO [stderr]   |
Dec 19 15:36:59.076 INFO [stderr] 2 | use ::std::io::prelude::*;
Dec 19 15:36:59.076 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:36:59.076 INFO [stderr] 
Dec 19 15:36:59.224 INFO [stderr] warning: unused import: `Path`
Dec 19 15:36:59.224 INFO [stderr]  --> src/stat/power.rs:1:19
Dec 19 15:36:59.224 INFO [stderr]   |
Dec 19 15:36:59.224 INFO [stderr] 1 | use ::std::path::{Path, PathBuf};
Dec 19 15:36:59.224 INFO [stderr]   |                   ^^^^
Dec 19 15:36:59.224 INFO [stderr]   |
Dec 19 15:36:59.224 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:36:59.224 INFO [stderr] 
Dec 19 15:36:59.224 INFO [stderr] warning: unused import: `::std::io::prelude::*`
Dec 19 15:36:59.224 INFO [stderr]  --> src/write/cli.rs:2:5
Dec 19 15:36:59.224 INFO [stderr]   |
Dec 19 15:36:59.224 INFO [stderr] 2 | use ::std::io::prelude::*;
Dec 19 15:36:59.224 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:36:59.224 INFO [stderr] 
Dec 19 15:36:59.236 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:36:59.237 INFO [stderr]   --> src/stat/power.rs:31:13
Dec 19 15:36:59.237 INFO [stderr]    |
Dec 19 15:36:59.237 INFO [stderr] 31 |         let mut ret = String::from("PW [") + &status[0..1];
Dec 19 15:36:59.237 INFO [stderr]    |             ----^^^
Dec 19 15:36:59.237 INFO [stderr]    |             |
Dec 19 15:36:59.237 INFO [stderr]    |             help: remove this `mut`
Dec 19 15:36:59.237 INFO [stderr]    |
Dec 19 15:36:59.237 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 15:36:59.237 INFO [stderr] 
Dec 19 15:36:59.248 INFO [stderr] warning: method is never used: `with_dpy`
Dec 19 15:36:59.248 INFO [stderr]   --> src/write/x11.rs:19:5
Dec 19 15:36:59.248 INFO [stderr]    |
Dec 19 15:36:59.248 INFO [stderr] 19 |     pub fn with_dpy(name: &str) -> Option<Result<Self, NulError>> {
Dec 19 15:36:59.248 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:36:59.248 INFO [stderr]    |
Dec 19 15:36:59.248 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:36:59.248 INFO [stderr] 
Dec 19 15:36:59.284 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:36:59.284 INFO [stderr]   --> src/write/cli.rs:18:9
Dec 19 15:36:59.284 INFO [stderr]    |
Dec 19 15:36:59.284 INFO [stderr] 18 |         self.writer.write(&[b'\r']);
Dec 19 15:36:59.284 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:36:59.284 INFO [stderr]    |
Dec 19 15:36:59.284 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:36:59.284 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:36:59.284 INFO [stderr] 
Dec 19 15:36:59.284 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:36:59.284 INFO [stderr]   --> src/write/cli.rs:19:9
Dec 19 15:36:59.284 INFO [stderr]    |
Dec 19 15:36:59.284 INFO [stderr] 19 |         self.writer.write(status.as_bytes());
Dec 19 15:36:59.284 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:36:59.284 INFO [stderr]    |
Dec 19 15:36:59.284 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:36:59.284 INFO [stderr] 
Dec 19 15:36:59.464 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:36:59.464 INFO [stderr]   --> src/stat/power.rs:31:13
Dec 19 15:36:59.464 INFO [stderr]    |
Dec 19 15:36:59.464 INFO [stderr] 31 |         let mut ret = String::from("PW [") + &status[0..1];
Dec 19 15:36:59.464 INFO [stderr]    |             ----^^^
Dec 19 15:36:59.464 INFO [stderr]    |             |
Dec 19 15:36:59.464 INFO [stderr]    |             help: remove this `mut`
Dec 19 15:36:59.464 INFO [stderr]    |
Dec 19 15:36:59.464 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 15:36:59.464 INFO [stderr] 
Dec 19 15:36:59.464 INFO [stderr] warning: method is never used: `with_dpy`
Dec 19 15:36:59.464 INFO [stderr]   --> src/write/x11.rs:19:5
Dec 19 15:36:59.464 INFO [stderr]    |
Dec 19 15:36:59.464 INFO [stderr] 19 |     pub fn with_dpy(name: &str) -> Option<Result<Self, NulError>> {
Dec 19 15:36:59.464 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:36:59.464 INFO [stderr]    |
Dec 19 15:36:59.464 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:36:59.464 INFO [stderr] 
Dec 19 15:36:59.496 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:36:59.496 INFO [stderr]   --> src/write/cli.rs:18:9
Dec 19 15:36:59.496 INFO [stderr]    |
Dec 19 15:36:59.496 INFO [stderr] 18 |         self.writer.write(&[b'\r']);
Dec 19 15:36:59.496 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:36:59.496 INFO [stderr]    |
Dec 19 15:36:59.496 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:36:59.496 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:36:59.496 INFO [stderr] 
Dec 19 15:36:59.496 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:36:59.496 INFO [stderr]   --> src/write/cli.rs:19:9
Dec 19 15:36:59.496 INFO [stderr]    |
Dec 19 15:36:59.496 INFO [stderr] 19 |         self.writer.write(status.as_bytes());
Dec 19 15:36:59.496 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:36:59.496 INFO [stderr]    |
Dec 19 15:36:59.496 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:36:59.496 INFO [stderr] 
Dec 19 15:36:59.525 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.15s
Dec 19 15:37:00.934 INFO running `"docker" "inspect" "572ea491f4caf5812c323478c895903a424496efc4fb9485d95fe2b242fc3cbd"`
Dec 19 15:37:01.208 INFO running `"docker" "rm" "-f" "572ea491f4caf5812c323478c895903a424496efc4fb9485d95fe2b242fc3cbd"`
Dec 19 15:37:01.458 INFO [stdout] 572ea491f4caf5812c323478c895903a424496efc4fb9485d95fe2b242fc3cbd