Dec 19 16:44:14.739 INFO checking futurepaul/friend-ui against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 16:44:14.740 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/futurepaul/friend-ui:/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 16:44:14.981 INFO [stdout] ca3e94dcb70527e74c8e00e5c307ddd4a28cf27304d5c260c24741d3e54bd3d1
Dec 19 16:44:15.002 INFO running `"docker" "start" "-a" "ca3e94dcb70527e74c8e00e5c307ddd4a28cf27304d5c260c24741d3e54bd3d1"`
Dec 19 16:44:15.852 INFO [stderr]     Checking termion v1.5.1
Dec 19 16:44:16.518 INFO [stderr]     Checking friendui v0.1.0 (/opt/crater/workdir)
Dec 19 16:44:16.784 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:44:16.784 INFO [stderr]    --> src/main.rs:139:9
Dec 19 16:44:16.784 INFO [stderr]     |
Dec 19 16:44:16.784 INFO [stderr] 139 |     let mut buffer = Buffer {
Dec 19 16:44:16.784 INFO [stderr]     |         ----^^^^^^
Dec 19 16:44:16.784 INFO [stderr]     |         |
Dec 19 16:44:16.784 INFO [stderr]     |         help: remove this `mut`
Dec 19 16:44:16.784 INFO [stderr]     |
Dec 19 16:44:16.784 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 16:44:16.784 INFO [stderr] 
Dec 19 16:44:16.784 INFO [stderr] warning: field is never used: `width`
Dec 19 16:44:16.784 INFO [stderr]   --> src/main.rs:13:5
Dec 19 16:44:16.784 INFO [stderr]    |
Dec 19 16:44:16.784 INFO [stderr] 13 |     width: u16,
Dec 19 16:44:16.784 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 16:44:16.784 INFO [stderr]    |
Dec 19 16:44:16.785 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 16:44:16.785 INFO [stderr] 
Dec 19 16:44:16.785 INFO [stderr] warning: field is never used: `height`
Dec 19 16:44:16.785 INFO [stderr]   --> src/main.rs:14:5
Dec 19 16:44:16.785 INFO [stderr]    |
Dec 19 16:44:16.785 INFO [stderr] 14 |     height: u16,
Dec 19 16:44:16.785 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 16:44:16.785 INFO [stderr] 
Dec 19 16:44:16.785 INFO [stderr] warning: field is never used: `cursor_x`
Dec 19 16:44:16.785 INFO [stderr]   --> src/main.rs:18:5
Dec 19 16:44:16.785 INFO [stderr]    |
Dec 19 16:44:16.785 INFO [stderr] 18 |     cursor_x: u16,
Dec 19 16:44:16.785 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 16:44:16.785 INFO [stderr] 
Dec 19 16:44:16.785 INFO [stderr] warning: field is never used: `cursor_y`
Dec 19 16:44:16.785 INFO [stderr]   --> src/main.rs:19:5
Dec 19 16:44:16.785 INFO [stderr]    |
Dec 19 16:44:16.785 INFO [stderr] 19 |     cursor_y: u16,
Dec 19 16:44:16.785 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 16:44:16.785 INFO [stderr] 
Dec 19 16:44:16.785 INFO [stderr] warning: field is never used: `height`
Dec 19 16:44:16.785 INFO [stderr]   --> src/main.rs:24:5
Dec 19 16:44:16.785 INFO [stderr]    |
Dec 19 16:44:16.785 INFO [stderr] 24 |     height: u16,
Dec 19 16:44:16.785 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 16:44:16.785 INFO [stderr] 
Dec 19 16:44:16.785 INFO [stderr] warning: struct is never constructed: `Pane`
Dec 19 16:44:16.785 INFO [stderr]    --> src/main.rs:110:1
Dec 19 16:44:16.785 INFO [stderr]     |
Dec 19 16:44:16.785 INFO [stderr] 110 | struct Pane {
Dec 19 16:44:16.785 INFO [stderr]     | ^^^^^^^^^^^
Dec 19 16:44:16.785 INFO [stderr] 
Dec 19 16:44:16.793 INFO [stderr] warning: variable does not need to be mutable
Dec 19 16:44:16.793 INFO [stderr]    --> src/main.rs:139:9
Dec 19 16:44:16.793 INFO [stderr]     |
Dec 19 16:44:16.793 INFO [stderr] 139 |     let mut buffer = Buffer {
Dec 19 16:44:16.793 INFO [stderr]     |         ----^^^^^^
Dec 19 16:44:16.793 INFO [stderr]     |         |
Dec 19 16:44:16.793 INFO [stderr]     |         help: remove this `mut`
Dec 19 16:44:16.793 INFO [stderr]     |
Dec 19 16:44:16.793 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 16:44:16.793 INFO [stderr] 
Dec 19 16:44:16.793 INFO [stderr] warning: field is never used: `width`
Dec 19 16:44:16.793 INFO [stderr]   --> src/main.rs:13:5
Dec 19 16:44:16.793 INFO [stderr]    |
Dec 19 16:44:16.793 INFO [stderr] 13 |     width: u16,
Dec 19 16:44:16.793 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 16:44:16.794 INFO [stderr]    |
Dec 19 16:44:16.794 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 16:44:16.794 INFO [stderr] 
Dec 19 16:44:16.794 INFO [stderr] warning: field is never used: `height`
Dec 19 16:44:16.794 INFO [stderr]   --> src/main.rs:14:5
Dec 19 16:44:16.794 INFO [stderr]    |
Dec 19 16:44:16.794 INFO [stderr] 14 |     height: u16,
Dec 19 16:44:16.794 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 16:44:16.794 INFO [stderr] 
Dec 19 16:44:16.794 INFO [stderr] warning: field is never used: `cursor_x`
Dec 19 16:44:16.794 INFO [stderr]   --> src/main.rs:18:5
Dec 19 16:44:16.794 INFO [stderr]    |
Dec 19 16:44:16.794 INFO [stderr] 18 |     cursor_x: u16,
Dec 19 16:44:16.794 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 16:44:16.794 INFO [stderr] 
Dec 19 16:44:16.794 INFO [stderr] warning: field is never used: `cursor_y`
Dec 19 16:44:16.794 INFO [stderr]   --> src/main.rs:19:5
Dec 19 16:44:16.794 INFO [stderr]    |
Dec 19 16:44:16.794 INFO [stderr] 19 |     cursor_y: u16,
Dec 19 16:44:16.794 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 16:44:16.794 INFO [stderr] 
Dec 19 16:44:16.794 INFO [stderr] warning: field is never used: `height`
Dec 19 16:44:16.794 INFO [stderr]   --> src/main.rs:24:5
Dec 19 16:44:16.794 INFO [stderr]    |
Dec 19 16:44:16.794 INFO [stderr] 24 |     height: u16,
Dec 19 16:44:16.794 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 16:44:16.794 INFO [stderr] 
Dec 19 16:44:16.794 INFO [stderr] warning: struct is never constructed: `Pane`
Dec 19 16:44:16.794 INFO [stderr]    --> src/main.rs:110:1
Dec 19 16:44:16.794 INFO [stderr]     |
Dec 19 16:44:16.794 INFO [stderr] 110 | struct Pane {
Dec 19 16:44:16.794 INFO [stderr]     | ^^^^^^^^^^^
Dec 19 16:44:16.794 INFO [stderr] 
Dec 19 16:44:16.794 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:44:16.794 INFO [stderr]   --> src/main.rs:68:8
Dec 19 16:44:16.794 INFO [stderr]    |
Dec 19 16:44:16.794 INFO [stderr] 68 |        write!(self.stdout, "{}x{}", size.0, size.1);
Dec 19 16:44:16.794 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:44:16.794 INFO [stderr]    |
Dec 19 16:44:16.794 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:44:16.794 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:44:16.794 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 16:44:16.794 INFO [stderr] 
Dec 19 16:44:16.800 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:44:16.800 INFO [stderr]   --> src/main.rs:68:8
Dec 19 16:44:16.800 INFO [stderr]    |
Dec 19 16:44:16.800 INFO [stderr] 68 |        write!(self.stdout, "{}x{}", size.0, size.1);
Dec 19 16:44:16.800 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:44:16.800 INFO [stderr]    |
Dec 19 16:44:16.800 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:44:16.800 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:44:16.800 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 16:44:16.800 INFO [stderr] 
Dec 19 16:44:16.823 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Dec 19 16:44:17.451 INFO running `"docker" "inspect" "ca3e94dcb70527e74c8e00e5c307ddd4a28cf27304d5c260c24741d3e54bd3d1"`
Dec 19 16:44:17.566 INFO running `"docker" "rm" "-f" "ca3e94dcb70527e74c8e00e5c307ddd4a28cf27304d5c260c24741d3e54bd3d1"`
Dec 19 16:44:17.677 INFO [stdout] ca3e94dcb70527e74c8e00e5c307ddd4a28cf27304d5c260c24741d3e54bd3d1