[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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/iseurie/dwmstatus"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/iseurie/dwmstatus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iseurie/dwmstatus" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/iseurie/dwmstatus"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iseurie/dwmstatus on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/iseurie/dwmstatus/Cargo.toml
[INFO] crate iseurie/dwmstatus already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking iseurie/dwmstatus against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 71f0d1ba5120bf77706b1192e4e67c6e1420707c4389f7580aec0dbd8e93c8a9
[INFO] running `"docker" "start" "-a" "71f0d1ba5120bf77706b1192e4e67c6e1420707c4389f7580aec0dbd8e93c8a9"`
[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] 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let stats: [&Status; 2] = [ &Power, &Time ];
[INFO] [stderr]    |                  ^^^^^^ help: use `dyn`: `dyn Status`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let writer: &mut WriteStatus;
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: use `dyn`: `dyn WriteStatus`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn status_line(stats: &[&Status]) -> String {
[INFO] [stderr]    |                          ^^^^^^ help: use `dyn`: `dyn Status`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let stats: [&Status; 2] = [ &Power, &Time ];
[INFO] [stderr]    |                  ^^^^^^ help: use `dyn`: `dyn Status`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let writer: &mut WriteStatus;
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: use `dyn`: `dyn WriteStatus`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn status_line(stats: &[&Status]) -> String {
[INFO] [stderr]    |                          ^^^^^^ help: use `dyn`: `dyn Status`
[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: 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: 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] 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]    |
[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 6.13s
[INFO] running `"docker" "inspect" "71f0d1ba5120bf77706b1192e4e67c6e1420707c4389f7580aec0dbd8e93c8a9"`
[INFO] running `"docker" "rm" "-f" "71f0d1ba5120bf77706b1192e4e67c6e1420707c4389f7580aec0dbd8e93c8a9"`
[INFO] [stdout] 71f0d1ba5120bf77706b1192e4e67c6e1420707c4389f7580aec0dbd8e93c8a9