[INFO] updating cached repository yiblet/tagtask
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yiblet/tagtask
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yiblet/tagtask" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/yiblet/tagtask"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/yiblet/tagtask'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yiblet/tagtask" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/yiblet/tagtask"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/yiblet/tagtask'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3519bafac16bc8275346973c7e679d932b549266
[INFO] sha for GitHub repo yiblet/tagtask: 3519bafac16bc8275346973c7e679d932b549266
[INFO] validating manifest of yiblet/tagtask on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yiblet/tagtask on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yiblet/tagtask
[INFO] finished frobbing yiblet/tagtask
[INFO] frobbed toml for yiblet/tagtask written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/yiblet/tagtask/Cargo.toml
[INFO] started frobbing yiblet/tagtask
[INFO] finished frobbing yiblet/tagtask
[INFO] frobbed toml for yiblet/tagtask written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/yiblet/tagtask/Cargo.toml
[INFO] crate yiblet/tagtask already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking yiblet/tagtask against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-5/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/yiblet/tagtask:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 422edfbbbc01435b16d2adc06a6efd19e0ddf5d124f2aa7bb49f0eb937d218a3
[INFO] running `"docker" "start" "-a" "422edfbbbc01435b16d2adc06a6efd19e0ddf5d124f2aa7bb49f0eb937d218a3"`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking smallvec v0.6.3
[INFO] [stderr]     Checking ropey v0.8.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking kdtree v0.5.1
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]     Checking tagtask v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `SquareBuilder`
[INFO] [stderr]  --> src/view/layout.rs:2:28
[INFO] [stderr]   |
[INFO] [stderr] 2 | use view::widget::{Square, SquareBuilder};
[INFO] [stderr]   |                            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `view::widget::Widget`
[INFO] [stderr]   --> src/view/render.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use view::widget::Widget;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SquareBuilder`
[INFO] [stderr]  --> src/view/layout.rs:2:28
[INFO] [stderr]   |
[INFO] [stderr] 2 | use view::widget::{Square, SquareBuilder};
[INFO] [stderr]   |                            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `view::widget::Widget`
[INFO] [stderr]   --> src/view/render.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use view::widget::Widget;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fetch`
[INFO] [stderr]   --> src/view/id.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn fetch() -> u64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Horizontal`
[INFO] [stderr]  --> src/view/layout.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Horizontal,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `VirtualScreen`
[INFO] [stderr]   --> src/view/render.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct VirtualScreen<T: Space> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/view/render.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]   --> src/view/render.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn insert(&mut self, x: u16, y: u16, item: Rc<T>) -> Result<(), ErrorKind> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `in_range`
[INFO] [stderr]   --> src/view/render.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn in_range(&mut self, square: &Square) -> Result<Vec<Rc<T>>, ErrorKind> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fetch`
[INFO] [stderr]   --> src/view/id.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn fetch() -> u64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Horizontal`
[INFO] [stderr]  --> src/view/layout.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Horizontal,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `VirtualScreen`
[INFO] [stderr]   --> src/view/render.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct VirtualScreen<T: Space> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/view/render.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]   --> src/view/render.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn insert(&mut self, x: u16, y: u16, item: Rc<T>) -> Result<(), ErrorKind> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `in_range`
[INFO] [stderr]   --> src/view/render.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn in_range(&mut self, square: &Square) -> Result<Vec<Rc<T>>, ErrorKind> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.02s
[INFO] running `"docker" "inspect" "422edfbbbc01435b16d2adc06a6efd19e0ddf5d124f2aa7bb49f0eb937d218a3"`
[INFO] running `"docker" "rm" "-f" "422edfbbbc01435b16d2adc06a6efd19e0ddf5d124f2aa7bb49f0eb937d218a3"`
[INFO] [stdout] 422edfbbbc01435b16d2adc06a6efd19e0ddf5d124f2aa7bb49f0eb937d218a3