Dec 17 11:25:18.666 INFO checking yiblet/tagtask against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 11:25:18.667 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/yiblet/tagtask:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 11:25:19.188 INFO [stdout] f3a9adbc2c0bfd7e93ace719c51744c8d4bdb736a9272babb74eaf5e29ed9588
Dec 17 11:25:19.196 INFO running `"docker" "start" "-a" "f3a9adbc2c0bfd7e93ace719c51744c8d4bdb736a9272babb74eaf5e29ed9588"`
Dec 17 11:25:21.618 INFO [stderr]    Compiling num-traits v0.2.5
Dec 17 11:25:21.618 INFO [stderr]    Compiling derive_builder v0.5.1
Dec 17 11:25:21.628 INFO [stderr]     Checking futures v0.1.23
Dec 17 11:25:21.630 INFO [stderr]     Checking lazy_static v1.0.2
Dec 17 11:25:21.696 INFO [stderr]     Checking num_cpus v1.8.0
Dec 17 11:25:21.697 INFO [stderr]     Checking termion v1.5.1
Dec 17 11:25:21.697 INFO [stderr]    Compiling syn v0.11.11
Dec 17 11:25:21.697 INFO [stderr]     Checking smallvec v0.6.3
Dec 17 11:25:25.416 INFO [stderr]     Checking ropey v0.8.1
Dec 17 11:25:32.949 INFO [stderr]     Checking kdtree v0.5.1
Dec 17 11:25:35.044 INFO [stderr]     Checking futures-cpupool v0.1.8
Dec 17 11:25:35.212 INFO [stderr]    Compiling derive_builder_core v0.2.0
Dec 17 11:25:39.665 INFO [stderr]     Checking tagtask v0.1.0 (/opt/crater/workdir)
Dec 17 11:25:40.008 INFO [stderr] warning: unused import: `SquareBuilder`
Dec 17 11:25:40.008 INFO [stderr]  --> src/view/layout.rs:2:28
Dec 17 11:25:40.008 INFO [stderr]   |
Dec 17 11:25:40.008 INFO [stderr] 2 | use view::widget::{Square, SquareBuilder};
Dec 17 11:25:40.008 INFO [stderr]   |                            ^^^^^^^^^^^^^
Dec 17 11:25:40.008 INFO [stderr]   |
Dec 17 11:25:40.008 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 11:25:40.008 INFO [stderr] 
Dec 17 11:25:40.008 INFO [stderr] warning: unused import: `view::widget::Widget`
Dec 17 11:25:40.008 INFO [stderr]   --> src/view/render.rs:10:5
Dec 17 11:25:40.008 INFO [stderr]    |
Dec 17 11:25:40.008 INFO [stderr] 10 | use view::widget::Widget;
Dec 17 11:25:40.008 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:40.008 INFO [stderr] 
Dec 17 11:25:40.040 INFO [stderr] warning: unused import: `SquareBuilder`
Dec 17 11:25:40.040 INFO [stderr]  --> src/view/layout.rs:2:28
Dec 17 11:25:40.040 INFO [stderr]   |
Dec 17 11:25:40.040 INFO [stderr] 2 | use view::widget::{Square, SquareBuilder};
Dec 17 11:25:40.040 INFO [stderr]   |                            ^^^^^^^^^^^^^
Dec 17 11:25:40.040 INFO [stderr]   |
Dec 17 11:25:40.040 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 11:25:40.040 INFO [stderr] 
Dec 17 11:25:40.040 INFO [stderr] warning: unused import: `view::widget::Widget`
Dec 17 11:25:40.040 INFO [stderr]   --> src/view/render.rs:10:5
Dec 17 11:25:40.040 INFO [stderr]    |
Dec 17 11:25:40.040 INFO [stderr] 10 | use view::widget::Widget;
Dec 17 11:25:40.040 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:40.040 INFO [stderr] 
Dec 17 11:25:40.416 INFO [stderr] warning: function is never used: `fetch`
Dec 17 11:25:40.416 INFO [stderr]   --> src/view/id.rs:26:1
Dec 17 11:25:40.416 INFO [stderr]    |
Dec 17 11:25:40.416 INFO [stderr] 26 | pub fn fetch() -> u64 {
Dec 17 11:25:40.417 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:40.417 INFO [stderr] 
Dec 17 11:25:40.417 INFO [stderr] warning: variant is never constructed: `Horizontal`
Dec 17 11:25:40.417 INFO [stderr]  --> src/view/layout.rs:7:5
Dec 17 11:25:40.417 INFO [stderr]   |
Dec 17 11:25:40.417 INFO [stderr] 7 |     Horizontal,
Dec 17 11:25:40.417 INFO [stderr]   |     ^^^^^^^^^^
Dec 17 11:25:40.417 INFO [stderr] 
Dec 17 11:25:40.417 INFO [stderr] warning: struct is never constructed: `VirtualScreen`
Dec 17 11:25:40.417 INFO [stderr]   --> src/view/render.rs:12:1
Dec 17 11:25:40.417 INFO [stderr]    |
Dec 17 11:25:40.417 INFO [stderr] 12 | struct VirtualScreen<T: Space> {
Dec 17 11:25:40.417 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:40.417 INFO [stderr] 
Dec 17 11:25:40.417 INFO [stderr] warning: method is never used: `new`
Dec 17 11:25:40.417 INFO [stderr]   --> src/view/render.rs:17:5
Dec 17 11:25:40.417 INFO [stderr]    |
Dec 17 11:25:40.417 INFO [stderr] 17 |     pub fn new() -> Self {
Dec 17 11:25:40.417 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:40.417 INFO [stderr] 
Dec 17 11:25:40.417 INFO [stderr] warning: method is never used: `insert`
Dec 17 11:25:40.417 INFO [stderr]   --> src/view/render.rs:23:5
Dec 17 11:25:40.417 INFO [stderr]    |
Dec 17 11:25:40.417 INFO [stderr] 23 |     pub fn insert(&mut self, x: u16, y: u16, item: Rc<T>) -> Result<(), ErrorKind> {
Dec 17 11:25:40.417 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:40.417 INFO [stderr] 
Dec 17 11:25:40.418 INFO [stderr] warning: method is never used: `in_range`
Dec 17 11:25:40.418 INFO [stderr]   --> src/view/render.rs:36:5
Dec 17 11:25:40.418 INFO [stderr]    |
Dec 17 11:25:40.418 INFO [stderr] 36 |     pub fn in_range(&mut self, square: &Square) -> Result<Vec<Rc<T>>, ErrorKind> {
Dec 17 11:25:40.418 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:40.418 INFO [stderr] 
Dec 17 11:25:40.456 INFO [stderr] warning: function is never used: `fetch`
Dec 17 11:25:40.456 INFO [stderr]   --> src/view/id.rs:26:1
Dec 17 11:25:40.456 INFO [stderr]    |
Dec 17 11:25:40.456 INFO [stderr] 26 | pub fn fetch() -> u64 {
Dec 17 11:25:40.456 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:40.456 INFO [stderr] 
Dec 17 11:25:40.456 INFO [stderr] warning: variant is never constructed: `Horizontal`
Dec 17 11:25:40.456 INFO [stderr]  --> src/view/layout.rs:7:5
Dec 17 11:25:40.456 INFO [stderr]   |
Dec 17 11:25:40.456 INFO [stderr] 7 |     Horizontal,
Dec 17 11:25:40.456 INFO [stderr]   |     ^^^^^^^^^^
Dec 17 11:25:40.456 INFO [stderr] 
Dec 17 11:25:40.460 INFO [stderr] warning: struct is never constructed: `VirtualScreen`
Dec 17 11:25:40.460 INFO [stderr]   --> src/view/render.rs:12:1
Dec 17 11:25:40.460 INFO [stderr]    |
Dec 17 11:25:40.460 INFO [stderr] 12 | struct VirtualScreen<T: Space> {
Dec 17 11:25:40.460 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:40.460 INFO [stderr] 
Dec 17 11:25:40.460 INFO [stderr] warning: method is never used: `new`
Dec 17 11:25:40.461 INFO [stderr]   --> src/view/render.rs:17:5
Dec 17 11:25:40.461 INFO [stderr]    |
Dec 17 11:25:40.461 INFO [stderr] 17 |     pub fn new() -> Self {
Dec 17 11:25:40.461 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:40.461 INFO [stderr] 
Dec 17 11:25:40.461 INFO [stderr] warning: method is never used: `insert`
Dec 17 11:25:40.461 INFO [stderr]   --> src/view/render.rs:23:5
Dec 17 11:25:40.461 INFO [stderr]    |
Dec 17 11:25:40.461 INFO [stderr] 23 |     pub fn insert(&mut self, x: u16, y: u16, item: Rc<T>) -> Result<(), ErrorKind> {
Dec 17 11:25:40.461 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:40.461 INFO [stderr] 
Dec 17 11:25:40.461 INFO [stderr] warning: method is never used: `in_range`
Dec 17 11:25:40.461 INFO [stderr]   --> src/view/render.rs:36:5
Dec 17 11:25:40.461 INFO [stderr]    |
Dec 17 11:25:40.461 INFO [stderr] 36 |     pub fn in_range(&mut self, square: &Square) -> Result<Vec<Rc<T>>, ErrorKind> {
Dec 17 11:25:40.461 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:40.461 INFO [stderr] 
Dec 17 11:25:40.513 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.01s
Dec 17 11:25:42.027 INFO running `"docker" "inspect" "f3a9adbc2c0bfd7e93ace719c51744c8d4bdb736a9272babb74eaf5e29ed9588"`
Dec 17 11:25:42.354 INFO running `"docker" "rm" "-f" "f3a9adbc2c0bfd7e93ace719c51744c8d4bdb736a9272babb74eaf5e29ed9588"`
Dec 17 11:25:42.711 INFO [stdout] f3a9adbc2c0bfd7e93ace719c51744c8d4bdb736a9272babb74eaf5e29ed9588