[INFO] updating cached repository https://github.com/linkstar0513/utk
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c2d403c6789e41addaa9da2a39807035f600a89
[INFO] checking linkstar0513/utk against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinkstar0513%2Futk" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/linkstar0513/utk on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/linkstar0513/utk
[INFO] finished tweaking git repo https://github.com/linkstar0513/utk
[INFO] tweaked toml for git repo https://github.com/linkstar0513/utk written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b5b405880216bd577c60057a6c553cf94d7e21ecf925bc4f09072e34fcade51
[INFO] running `"docker" "start" "-a" "8b5b405880216bd577c60057a6c553cf94d7e21ecf925bc4f09072e34fcade51"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking utk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/app.rs:151:1
[INFO] [stderr]     |
[INFO] [stderr] 151 | ;
[INFO] [stderr]     | ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]  --> src/event.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Deref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/app.rs:151:1
[INFO] [stderr]     |
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/app.rs:51:42
[INFO] [stderr]    |
[INFO] [stderr] 51 |             self.event_loop.poll_events(|event|{
[INFO] [stderr]    |                                          ^^^^^ help: consider prefixing with an underscore: `_event`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] 151 | ;
[INFO] [stderr]     | ^ help: remove this semicolon
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/window.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         for event in self.events_loop.iter(){
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_event`
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]  --> src/event.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Deref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `inner`
[INFO] [stderr]  --> src/window.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     inner:Vec<u32>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]  --> src/window.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     width:u32,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]  --> src/window.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     height:u32,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/app.rs:51:42
[INFO] [stderr]    |
[INFO] [stderr] 51 |             self.event_loop.poll_events(|event|{
[INFO] [stderr]    |                                          ^^^^^ help: consider prefixing with an underscore: `_event`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/window.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         for event in self.events_loop.iter(){
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_event`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `inner`
[INFO] [stderr]  --> src/window.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     inner:Vec<u32>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]  --> src/window.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     width:u32,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]  --> src/window.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     height:u32,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `"docker" "inspect" "8b5b405880216bd577c60057a6c553cf94d7e21ecf925bc4f09072e34fcade51"`
[INFO] running `"docker" "rm" "-f" "8b5b405880216bd577c60057a6c553cf94d7e21ecf925bc4f09072e34fcade51"`
[INFO] [stdout] 8b5b405880216bd577c60057a6c553cf94d7e21ecf925bc4f09072e34fcade51