[INFO] updating cached repository https://github.com/iseurie/dwmstatus
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 372cd5c916db946efe0756ef6ce9d78118805197
[INFO] checking iseurie/dwmstatus against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiseurie%2Fdwmstatus" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iseurie/dwmstatus on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/iseurie/dwmstatus
[INFO] finished tweaking git repo https://github.com/iseurie/dwmstatus
[INFO] tweaked toml for git repo https://github.com/iseurie/dwmstatus written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/iseurie/dwmstatus already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 413024e88be1a6f6a71587bd1443dd8c63af6ddc1ba81f105988fdf325fb0bad
[INFO] running `"docker" "start" "-a" "413024e88be1a6f6a71587bd1443dd8c63af6ddc1ba81f105988fdf325fb0bad"`
[INFO] [stderr]     Checking x11 v2.15.0
[INFO] [stderr]     Checking dwmstatus v0.1.0 (/opt/rustwide/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: 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: 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] 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 4.53s
[INFO] running `"docker" "inspect" "413024e88be1a6f6a71587bd1443dd8c63af6ddc1ba81f105988fdf325fb0bad"`
[INFO] running `"docker" "rm" "-f" "413024e88be1a6f6a71587bd1443dd8c63af6ddc1ba81f105988fdf325fb0bad"`
[INFO] [stdout] 413024e88be1a6f6a71587bd1443dd8c63af6ddc1ba81f105988fdf325fb0bad