Dec 18 00:00:05.145 INFO checking futurepaul/friend-ui against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 00:00:05.145 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:00:05.556 INFO [stdout] 4a467181d8423f99e31f53e31529b5668c7b67e37819801a979a8f9504602d68
Dec 18 00:00:05.564 INFO running `"docker" "start" "-a" "4a467181d8423f99e31f53e31529b5668c7b67e37819801a979a8f9504602d68"`
Dec 18 00:00:07.362 INFO [stderr]     Checking termion v1.5.1
Dec 18 00:00:08.117 INFO [stderr]     Checking friendui v0.1.0 (/opt/crater/workdir)
Dec 18 00:00:08.364 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:00:08.364 INFO [stderr]    --> src/main.rs:139:9
Dec 18 00:00:08.364 INFO [stderr]     |
Dec 18 00:00:08.364 INFO [stderr] 139 |     let mut buffer = Buffer {
Dec 18 00:00:08.364 INFO [stderr]     |         ----^^^^^^
Dec 18 00:00:08.364 INFO [stderr]     |         |
Dec 18 00:00:08.364 INFO [stderr]     |         help: remove this `mut`
Dec 18 00:00:08.364 INFO [stderr]     |
Dec 18 00:00:08.364 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 00:00:08.365 INFO [stderr] 
Dec 18 00:00:08.365 INFO [stderr] warning: field is never used: `width`
Dec 18 00:00:08.365 INFO [stderr]   --> src/main.rs:13:5
Dec 18 00:00:08.365 INFO [stderr]    |
Dec 18 00:00:08.365 INFO [stderr] 13 |     width: u16,
Dec 18 00:00:08.365 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 00:00:08.365 INFO [stderr]    |
Dec 18 00:00:08.365 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 00:00:08.365 INFO [stderr] 
Dec 18 00:00:08.365 INFO [stderr] warning: field is never used: `height`
Dec 18 00:00:08.365 INFO [stderr]   --> src/main.rs:14:5
Dec 18 00:00:08.372 INFO [stderr]    |
Dec 18 00:00:08.372 INFO [stderr] 14 |     height: u16,
Dec 18 00:00:08.372 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 00:00:08.372 INFO [stderr] 
Dec 18 00:00:08.372 INFO [stderr] warning: field is never used: `cursor_x`
Dec 18 00:00:08.372 INFO [stderr]   --> src/main.rs:18:5
Dec 18 00:00:08.372 INFO [stderr]    |
Dec 18 00:00:08.372 INFO [stderr] 18 |     cursor_x: u16,
Dec 18 00:00:08.372 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 00:00:08.372 INFO [stderr] 
Dec 18 00:00:08.372 INFO [stderr] warning: field is never used: `cursor_y`
Dec 18 00:00:08.372 INFO [stderr]   --> src/main.rs:19:5
Dec 18 00:00:08.372 INFO [stderr]    |
Dec 18 00:00:08.372 INFO [stderr] 19 |     cursor_y: u16,
Dec 18 00:00:08.372 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 00:00:08.372 INFO [stderr] 
Dec 18 00:00:08.372 INFO [stderr] warning: field is never used: `height`
Dec 18 00:00:08.372 INFO [stderr]   --> src/main.rs:24:5
Dec 18 00:00:08.372 INFO [stderr]    |
Dec 18 00:00:08.372 INFO [stderr] 24 |     height: u16,
Dec 18 00:00:08.372 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 00:00:08.372 INFO [stderr] 
Dec 18 00:00:08.372 INFO [stderr] warning: struct is never constructed: `Pane`
Dec 18 00:00:08.372 INFO [stderr]    --> src/main.rs:110:1
Dec 18 00:00:08.373 INFO [stderr]     |
Dec 18 00:00:08.373 INFO [stderr] 110 | struct Pane {
Dec 18 00:00:08.373 INFO [stderr]     | ^^^^^^^^^^^
Dec 18 00:00:08.373 INFO [stderr] 
Dec 18 00:00:08.376 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 00:00:08.376 INFO [stderr]   --> src/main.rs:68:8
Dec 18 00:00:08.376 INFO [stderr]    |
Dec 18 00:00:08.376 INFO [stderr] 68 |        write!(self.stdout, "{}x{}", size.0, size.1);
Dec 18 00:00:08.376 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:00:08.376 INFO [stderr]    |
Dec 18 00:00:08.376 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 00:00:08.376 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 00:00:08.376 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 18 00:00:08.376 INFO [stderr] 
Dec 18 00:00:08.418 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:00:08.418 INFO [stderr]    --> src/main.rs:139:9
Dec 18 00:00:08.418 INFO [stderr]     |
Dec 18 00:00:08.419 INFO [stderr] 139 |     let mut buffer = Buffer {
Dec 18 00:00:08.419 INFO [stderr]     |         ----^^^^^^
Dec 18 00:00:08.419 INFO [stderr]     |         |
Dec 18 00:00:08.419 INFO [stderr]     |         help: remove this `mut`
Dec 18 00:00:08.419 INFO [stderr]     |
Dec 18 00:00:08.419 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 00:00:08.419 INFO [stderr] 
Dec 18 00:00:08.419 INFO [stderr] warning: field is never used: `width`
Dec 18 00:00:08.419 INFO [stderr]   --> src/main.rs:13:5
Dec 18 00:00:08.419 INFO [stderr]    |
Dec 18 00:00:08.419 INFO [stderr] 13 |     width: u16,
Dec 18 00:00:08.419 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 00:00:08.419 INFO [stderr]    |
Dec 18 00:00:08.419 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 00:00:08.419 INFO [stderr] 
Dec 18 00:00:08.419 INFO [stderr] warning: field is never used: `height`
Dec 18 00:00:08.419 INFO [stderr]   --> src/main.rs:14:5
Dec 18 00:00:08.419 INFO [stderr]    |
Dec 18 00:00:08.419 INFO [stderr] 14 |     height: u16,
Dec 18 00:00:08.419 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 00:00:08.419 INFO [stderr] 
Dec 18 00:00:08.419 INFO [stderr] warning: field is never used: `cursor_x`
Dec 18 00:00:08.419 INFO [stderr]   --> src/main.rs:18:5
Dec 18 00:00:08.419 INFO [stderr]    |
Dec 18 00:00:08.419 INFO [stderr] 18 |     cursor_x: u16,
Dec 18 00:00:08.419 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 00:00:08.419 INFO [stderr] 
Dec 18 00:00:08.419 INFO [stderr] warning: field is never used: `cursor_y`
Dec 18 00:00:08.419 INFO [stderr]   --> src/main.rs:19:5
Dec 18 00:00:08.419 INFO [stderr]    |
Dec 18 00:00:08.419 INFO [stderr] 19 |     cursor_y: u16,
Dec 18 00:00:08.419 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 00:00:08.419 INFO [stderr] 
Dec 18 00:00:08.419 INFO [stderr] warning: field is never used: `height`
Dec 18 00:00:08.419 INFO [stderr]   --> src/main.rs:24:5
Dec 18 00:00:08.419 INFO [stderr]    |
Dec 18 00:00:08.419 INFO [stderr] 24 |     height: u16,
Dec 18 00:00:08.419 INFO [stderr]    |     ^^^^^^^^^^^
Dec 18 00:00:08.419 INFO [stderr] 
Dec 18 00:00:08.419 INFO [stderr] warning: struct is never constructed: `Pane`
Dec 18 00:00:08.419 INFO [stderr]    --> src/main.rs:110:1
Dec 18 00:00:08.419 INFO [stderr]     |
Dec 18 00:00:08.419 INFO [stderr] 110 | struct Pane {
Dec 18 00:00:08.419 INFO [stderr]     | ^^^^^^^^^^^
Dec 18 00:00:08.419 INFO [stderr] 
Dec 18 00:00:08.429 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 00:00:08.429 INFO [stderr]   --> src/main.rs:68:8
Dec 18 00:00:08.429 INFO [stderr]    |
Dec 18 00:00:08.429 INFO [stderr] 68 |        write!(self.stdout, "{}x{}", size.0, size.1);
Dec 18 00:00:08.429 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:00:08.429 INFO [stderr]    |
Dec 18 00:00:08.429 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 00:00:08.429 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 00:00:08.429 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 18 00:00:08.429 INFO [stderr] 
Dec 18 00:00:08.446 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 18 00:00:08.942 INFO running `"docker" "inspect" "4a467181d8423f99e31f53e31529b5668c7b67e37819801a979a8f9504602d68"`
Dec 18 00:00:09.112 INFO running `"docker" "rm" "-f" "4a467181d8423f99e31f53e31529b5668c7b67e37819801a979a8f9504602d68"`
Dec 18 00:00:09.245 INFO [stdout] 4a467181d8423f99e31f53e31529b5668c7b67e37819801a979a8f9504602d68