Dec 19 05:02:45.153 INFO checking yiblet/tagtask against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 05:02:45.153 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:02:45.666 INFO [stdout] f1fa4964165f0ceba9d3cde304086a7e6702c637f74ff066b471ecbb1e013418
Dec 19 05:02:45.668 INFO running `"docker" "start" "-a" "f1fa4964165f0ceba9d3cde304086a7e6702c637f74ff066b471ecbb1e013418"`
Dec 19 05:02:47.507 INFO [stderr]    Compiling derive_builder v0.5.1
Dec 19 05:02:47.507 INFO [stderr]     Checking lazy_static v1.0.2
Dec 19 05:02:47.507 INFO [stderr]     Checking num_cpus v1.8.0
Dec 19 05:02:47.507 INFO [stderr]     Checking termion v1.5.1
Dec 19 05:02:47.507 INFO [stderr]    Compiling syn v0.11.11
Dec 19 05:02:47.507 INFO [stderr]     Checking smallvec v0.6.3
Dec 19 05:02:47.507 INFO [stderr]     Checking kdtree v0.5.1
Dec 19 05:02:48.777 INFO [stderr]     Checking futures-cpupool v0.1.8
Dec 19 05:02:50.353 INFO [stderr]     Checking ropey v0.8.1
Dec 19 05:02:56.708 INFO [stderr]    Compiling derive_builder_core v0.2.0
Dec 19 05:03:01.078 INFO [stderr]     Checking tagtask v0.1.0 (/opt/crater/workdir)
Dec 19 05:03:01.360 INFO [stderr] warning: unused import: `SquareBuilder`
Dec 19 05:03:01.361 INFO [stderr]  --> src/view/layout.rs:2:28
Dec 19 05:03:01.361 INFO [stderr]   |
Dec 19 05:03:01.361 INFO [stderr] 2 | use view::widget::{Square, SquareBuilder};
Dec 19 05:03:01.361 INFO [stderr]   |                            ^^^^^^^^^^^^^
Dec 19 05:03:01.361 INFO [stderr]   |
Dec 19 05:03:01.361 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 05:03:01.361 INFO [stderr] 
Dec 19 05:03:01.361 INFO [stderr] warning: unused import: `view::widget::Widget`
Dec 19 05:03:01.361 INFO [stderr]   --> src/view/render.rs:10:5
Dec 19 05:03:01.361 INFO [stderr]    |
Dec 19 05:03:01.361 INFO [stderr] 10 | use view::widget::Widget;
Dec 19 05:03:01.361 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:01.361 INFO [stderr] 
Dec 19 05:03:01.412 INFO [stderr] warning: unused import: `SquareBuilder`
Dec 19 05:03:01.412 INFO [stderr]  --> src/view/layout.rs:2:28
Dec 19 05:03:01.412 INFO [stderr]   |
Dec 19 05:03:01.412 INFO [stderr] 2 | use view::widget::{Square, SquareBuilder};
Dec 19 05:03:01.412 INFO [stderr]   |                            ^^^^^^^^^^^^^
Dec 19 05:03:01.412 INFO [stderr]   |
Dec 19 05:03:01.412 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 05:03:01.413 INFO [stderr] 
Dec 19 05:03:01.413 INFO [stderr] warning: unused import: `view::widget::Widget`
Dec 19 05:03:01.413 INFO [stderr]   --> src/view/render.rs:10:5
Dec 19 05:03:01.413 INFO [stderr]    |
Dec 19 05:03:01.413 INFO [stderr] 10 | use view::widget::Widget;
Dec 19 05:03:01.413 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:01.413 INFO [stderr] 
Dec 19 05:03:01.760 INFO [stderr] warning: function is never used: `fetch`
Dec 19 05:03:01.760 INFO [stderr]   --> src/view/id.rs:26:1
Dec 19 05:03:01.760 INFO [stderr]    |
Dec 19 05:03:01.760 INFO [stderr] 26 | pub fn fetch() -> u64 {
Dec 19 05:03:01.760 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:01.761 INFO [stderr] 
Dec 19 05:03:01.761 INFO [stderr] warning: variant is never constructed: `Horizontal`
Dec 19 05:03:01.761 INFO [stderr]  --> src/view/layout.rs:7:5
Dec 19 05:03:01.761 INFO [stderr]   |
Dec 19 05:03:01.761 INFO [stderr] 7 |     Horizontal,
Dec 19 05:03:01.761 INFO [stderr]   |     ^^^^^^^^^^
Dec 19 05:03:01.761 INFO [stderr] 
Dec 19 05:03:01.761 INFO [stderr] warning: struct is never constructed: `VirtualScreen`
Dec 19 05:03:01.761 INFO [stderr]   --> src/view/render.rs:12:1
Dec 19 05:03:01.761 INFO [stderr]    |
Dec 19 05:03:01.761 INFO [stderr] 12 | struct VirtualScreen<T: Space> {
Dec 19 05:03:01.761 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:01.761 INFO [stderr] 
Dec 19 05:03:01.761 INFO [stderr] warning: method is never used: `new`
Dec 19 05:03:01.761 INFO [stderr]   --> src/view/render.rs:17:5
Dec 19 05:03:01.761 INFO [stderr]    |
Dec 19 05:03:01.761 INFO [stderr] 17 |     pub fn new() -> Self {
Dec 19 05:03:01.762 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:01.762 INFO [stderr] 
Dec 19 05:03:01.762 INFO [stderr] warning: method is never used: `insert`
Dec 19 05:03:01.762 INFO [stderr]   --> src/view/render.rs:23:5
Dec 19 05:03:01.762 INFO [stderr]    |
Dec 19 05:03:01.762 INFO [stderr] 23 |     pub fn insert(&mut self, x: u16, y: u16, item: Rc<T>) -> Result<(), ErrorKind> {
Dec 19 05:03:01.762 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:01.762 INFO [stderr] 
Dec 19 05:03:01.762 INFO [stderr] warning: method is never used: `in_range`
Dec 19 05:03:01.762 INFO [stderr]   --> src/view/render.rs:36:5
Dec 19 05:03:01.762 INFO [stderr]    |
Dec 19 05:03:01.762 INFO [stderr] 36 |     pub fn in_range(&mut self, square: &Square) -> Result<Vec<Rc<T>>, ErrorKind> {
Dec 19 05:03:01.762 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:01.762 INFO [stderr] 
Dec 19 05:03:01.854 INFO [stderr] warning: function is never used: `fetch`
Dec 19 05:03:01.854 INFO [stderr]   --> src/view/id.rs:26:1
Dec 19 05:03:01.854 INFO [stderr]    |
Dec 19 05:03:01.854 INFO [stderr] 26 | pub fn fetch() -> u64 {
Dec 19 05:03:01.854 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:01.854 INFO [stderr] 
Dec 19 05:03:01.854 INFO [stderr] warning: variant is never constructed: `Horizontal`
Dec 19 05:03:01.854 INFO [stderr]  --> src/view/layout.rs:7:5
Dec 19 05:03:01.854 INFO [stderr]   |
Dec 19 05:03:01.854 INFO [stderr] 7 |     Horizontal,
Dec 19 05:03:01.854 INFO [stderr]   |     ^^^^^^^^^^
Dec 19 05:03:01.854 INFO [stderr] 
Dec 19 05:03:01.855 INFO [stderr] warning: struct is never constructed: `VirtualScreen`
Dec 19 05:03:01.855 INFO [stderr]   --> src/view/render.rs:12:1
Dec 19 05:03:01.855 INFO [stderr]    |
Dec 19 05:03:01.855 INFO [stderr] 12 | struct VirtualScreen<T: Space> {
Dec 19 05:03:01.855 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:01.855 INFO [stderr] 
Dec 19 05:03:01.855 INFO [stderr] warning: method is never used: `new`
Dec 19 05:03:01.855 INFO [stderr]   --> src/view/render.rs:17:5
Dec 19 05:03:01.855 INFO [stderr]    |
Dec 19 05:03:01.855 INFO [stderr] 17 |     pub fn new() -> Self {
Dec 19 05:03:01.855 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:01.855 INFO [stderr] 
Dec 19 05:03:01.855 INFO [stderr] warning: method is never used: `insert`
Dec 19 05:03:01.855 INFO [stderr]   --> src/view/render.rs:23:5
Dec 19 05:03:01.855 INFO [stderr]    |
Dec 19 05:03:01.855 INFO [stderr] 23 |     pub fn insert(&mut self, x: u16, y: u16, item: Rc<T>) -> Result<(), ErrorKind> {
Dec 19 05:03:01.855 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:01.855 INFO [stderr] 
Dec 19 05:03:01.855 INFO [stderr] warning: method is never used: `in_range`
Dec 19 05:03:01.855 INFO [stderr]   --> src/view/render.rs:36:5
Dec 19 05:03:01.855 INFO [stderr]    |
Dec 19 05:03:01.855 INFO [stderr] 36 |     pub fn in_range(&mut self, square: &Square) -> Result<Vec<Rc<T>>, ErrorKind> {
Dec 19 05:03:01.855 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 05:03:01.855 INFO [stderr] 
Dec 19 05:03:01.901 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.50s
Dec 19 05:03:03.755 INFO running `"docker" "inspect" "f1fa4964165f0ceba9d3cde304086a7e6702c637f74ff066b471ecbb1e013418"`
Dec 19 05:03:04.118 INFO running `"docker" "rm" "-f" "f1fa4964165f0ceba9d3cde304086a7e6702c637f74ff066b471ecbb1e013418"`
Dec 19 05:03:04.424 INFO [stdout] f1fa4964165f0ceba9d3cde304086a7e6702c637f74ff066b471ecbb1e013418