Dec 17 11:25:18.507 INFO checking yiblet/tagtask against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 11:25:18.508 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 11:25:19.143 INFO [stdout] 8c97feaf898303b224dc0ff5ea26dc99e64000502a88b0d7a1805f0c98fb284e
Dec 17 11:25:19.145 INFO running `"docker" "start" "-a" "8c97feaf898303b224dc0ff5ea26dc99e64000502a88b0d7a1805f0c98fb284e"`
Dec 17 11:25:21.441 INFO [stderr]    Compiling num-traits v0.2.5
Dec 17 11:25:21.442 INFO [stderr]     Checking libc v0.2.42
Dec 17 11:25:21.442 INFO [stderr]     Checking lazy_static v1.0.2
Dec 17 11:25:21.472 INFO [stderr]     Checking smallvec v0.6.3
Dec 17 11:25:23.566 INFO [stderr]     Checking ropey v0.8.1
Dec 17 11:25:25.060 INFO [stderr]     Checking num_cpus v1.8.0
Dec 17 11:25:25.061 INFO [stderr]     Checking termion v1.5.1
Dec 17 11:25:25.753 INFO [stderr]     Checking futures-cpupool v0.1.8
Dec 17 11:25:28.028 INFO [stderr]     Checking kdtree v0.5.1
Dec 17 11:25:28.544 INFO [stderr]     Checking tagtask v0.1.0 (/opt/crater/workdir)
Dec 17 11:25:28.804 INFO [stderr] warning: unused import: `SquareBuilder`
Dec 17 11:25:28.805 INFO [stderr]  --> src/view/layout.rs:2:28
Dec 17 11:25:28.805 INFO [stderr]   |
Dec 17 11:25:28.805 INFO [stderr] 2 | use view::widget::{Square, SquareBuilder};
Dec 17 11:25:28.805 INFO [stderr]   |                            ^^^^^^^^^^^^^
Dec 17 11:25:28.806 INFO [stderr]   |
Dec 17 11:25:28.806 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 11:25:28.806 INFO [stderr] 
Dec 17 11:25:28.807 INFO [stderr] warning: unused import: `view::widget::Widget`
Dec 17 11:25:28.807 INFO [stderr]   --> src/view/render.rs:10:5
Dec 17 11:25:28.807 INFO [stderr]    |
Dec 17 11:25:28.808 INFO [stderr] 10 | use view::widget::Widget;
Dec 17 11:25:28.808 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:28.808 INFO [stderr] 
Dec 17 11:25:28.856 INFO [stderr] warning: unused import: `SquareBuilder`
Dec 17 11:25:28.857 INFO [stderr]  --> src/view/layout.rs:2:28
Dec 17 11:25:28.857 INFO [stderr]   |
Dec 17 11:25:28.857 INFO [stderr] 2 | use view::widget::{Square, SquareBuilder};
Dec 17 11:25:28.858 INFO [stderr]   |                            ^^^^^^^^^^^^^
Dec 17 11:25:28.858 INFO [stderr]   |
Dec 17 11:25:28.858 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 11:25:28.859 INFO [stderr] 
Dec 17 11:25:28.859 INFO [stderr] warning: unused import: `view::widget::Widget`
Dec 17 11:25:28.859 INFO [stderr]   --> src/view/render.rs:10:5
Dec 17 11:25:28.860 INFO [stderr]    |
Dec 17 11:25:28.860 INFO [stderr] 10 | use view::widget::Widget;
Dec 17 11:25:28.860 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:28.860 INFO [stderr] 
Dec 17 11:25:29.200 INFO [stderr] warning: function is never used: `fetch`
Dec 17 11:25:29.200 INFO [stderr]   --> src/view/id.rs:26:1
Dec 17 11:25:29.200 INFO [stderr]    |
Dec 17 11:25:29.201 INFO [stderr] 26 | pub fn fetch() -> u64 {
Dec 17 11:25:29.201 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:29.201 INFO [stderr] 
Dec 17 11:25:29.202 INFO [stderr] warning: variant is never constructed: `Horizontal`
Dec 17 11:25:29.202 INFO [stderr]  --> src/view/layout.rs:7:5
Dec 17 11:25:29.203 INFO [stderr]   |
Dec 17 11:25:29.203 INFO [stderr] 7 |     Horizontal,
Dec 17 11:25:29.203 INFO [stderr]   |     ^^^^^^^^^^
Dec 17 11:25:29.204 INFO [stderr] 
Dec 17 11:25:29.204 INFO [stderr] warning: struct is never constructed: `VirtualScreen`
Dec 17 11:25:29.204 INFO [stderr]   --> src/view/render.rs:12:1
Dec 17 11:25:29.205 INFO [stderr]    |
Dec 17 11:25:29.205 INFO [stderr] 12 | struct VirtualScreen<T: Space> {
Dec 17 11:25:29.205 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:29.205 INFO [stderr] 
Dec 17 11:25:29.206 INFO [stderr] warning: method is never used: `new`
Dec 17 11:25:29.206 INFO [stderr]   --> src/view/render.rs:17:5
Dec 17 11:25:29.206 INFO [stderr]    |
Dec 17 11:25:29.206 INFO [stderr] 17 |     pub fn new() -> Self {
Dec 17 11:25:29.207 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:29.207 INFO [stderr] 
Dec 17 11:25:29.207 INFO [stderr] warning: method is never used: `insert`
Dec 17 11:25:29.207 INFO [stderr]   --> src/view/render.rs:23:5
Dec 17 11:25:29.207 INFO [stderr]    |
Dec 17 11:25:29.208 INFO [stderr] 23 |     pub fn insert(&mut self, x: u16, y: u16, item: Rc<T>) -> Result<(), ErrorKind> {
Dec 17 11:25:29.208 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:29.208 INFO [stderr] 
Dec 17 11:25:29.209 INFO [stderr] warning: method is never used: `in_range`
Dec 17 11:25:29.209 INFO [stderr]   --> src/view/render.rs:36:5
Dec 17 11:25:29.209 INFO [stderr]    |
Dec 17 11:25:29.209 INFO [stderr] 36 |     pub fn in_range(&mut self, square: &Square) -> Result<Vec<Rc<T>>, ErrorKind> {
Dec 17 11:25:29.210 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:29.210 INFO [stderr] 
Dec 17 11:25:29.310 INFO [stderr] warning: function is never used: `fetch`
Dec 17 11:25:29.310 INFO [stderr]   --> src/view/id.rs:26:1
Dec 17 11:25:29.310 INFO [stderr]    |
Dec 17 11:25:29.310 INFO [stderr] 26 | pub fn fetch() -> u64 {
Dec 17 11:25:29.310 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:29.310 INFO [stderr] 
Dec 17 11:25:29.310 INFO [stderr] warning: variant is never constructed: `Horizontal`
Dec 17 11:25:29.310 INFO [stderr]  --> src/view/layout.rs:7:5
Dec 17 11:25:29.310 INFO [stderr]   |
Dec 17 11:25:29.310 INFO [stderr] 7 |     Horizontal,
Dec 17 11:25:29.310 INFO [stderr]   |     ^^^^^^^^^^
Dec 17 11:25:29.310 INFO [stderr] 
Dec 17 11:25:29.310 INFO [stderr] warning: struct is never constructed: `VirtualScreen`
Dec 17 11:25:29.310 INFO [stderr]   --> src/view/render.rs:12:1
Dec 17 11:25:29.310 INFO [stderr]    |
Dec 17 11:25:29.310 INFO [stderr] 12 | struct VirtualScreen<T: Space> {
Dec 17 11:25:29.310 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:29.310 INFO [stderr] 
Dec 17 11:25:29.310 INFO [stderr] warning: method is never used: `new`
Dec 17 11:25:29.310 INFO [stderr]   --> src/view/render.rs:17:5
Dec 17 11:25:29.310 INFO [stderr]    |
Dec 17 11:25:29.310 INFO [stderr] 17 |     pub fn new() -> Self {
Dec 17 11:25:29.310 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:29.310 INFO [stderr] 
Dec 17 11:25:29.311 INFO [stderr] warning: method is never used: `insert`
Dec 17 11:25:29.311 INFO [stderr]   --> src/view/render.rs:23:5
Dec 17 11:25:29.311 INFO [stderr]    |
Dec 17 11:25:29.311 INFO [stderr] 23 |     pub fn insert(&mut self, x: u16, y: u16, item: Rc<T>) -> Result<(), ErrorKind> {
Dec 17 11:25:29.311 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:29.311 INFO [stderr] 
Dec 17 11:25:29.311 INFO [stderr] warning: method is never used: `in_range`
Dec 17 11:25:29.312 INFO [stderr]   --> src/view/render.rs:36:5
Dec 17 11:25:29.312 INFO [stderr]    |
Dec 17 11:25:29.312 INFO [stderr] 36 |     pub fn in_range(&mut self, square: &Square) -> Result<Vec<Rc<T>>, ErrorKind> {
Dec 17 11:25:29.312 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:25:29.312 INFO [stderr] 
Dec 17 11:25:29.348 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.97s
Dec 17 11:25:31.314 INFO running `"docker" "inspect" "8c97feaf898303b224dc0ff5ea26dc99e64000502a88b0d7a1805f0c98fb284e"`
Dec 17 11:25:31.656 INFO running `"docker" "rm" "-f" "8c97feaf898303b224dc0ff5ea26dc99e64000502a88b0d7a1805f0c98fb284e"`
Dec 17 11:25:32.012 INFO [stdout] 8c97feaf898303b224dc0ff5ea26dc99e64000502a88b0d7a1805f0c98fb284e