[INFO] crate rsui 0.13.0 is already in cache
[INFO] extracting crate rsui 0.13.0 into work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/rsui/0.13.0
[INFO] extracting crate rsui 0.13.0 into work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/rsui/0.13.0
[INFO] validating manifest of rsui-0.13.0 on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rsui-0.13.0 on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rsui-0.13.0
[INFO] finished frobbing rsui-0.13.0
[INFO] frobbed toml for rsui-0.13.0 written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/rsui/0.13.0/Cargo.toml
[INFO] started frobbing rsui-0.13.0
[INFO] finished frobbing rsui-0.13.0
[INFO] frobbed toml for rsui-0.13.0 written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/rsui/0.13.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking rsui-0.13.0 against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-1/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/rsui/0.13.0:/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3b3e0a866e72f5fd57618b02dfa5a947a996efbacb843668afe7965e839643ea
[INFO] running `"docker" "start" "-a" "3b3e0a866e72f5fd57618b02dfa5a947a996efbacb843668afe7965e839643ea"`
[INFO] [stderr]     Checking pistoncore-input v0.23.0
[INFO] [stderr]     Checking glfw v0.26.1
[INFO] [stderr]     Checking pistoncore-window v0.35.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.40.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.52.0
[INFO] [stderr]     Checking pistoncore-glfw_window v0.47.0
[INFO] [stderr]     Checking piston v0.40.0
[INFO] [stderr]     Checking piston_window v0.87.0
[INFO] [stderr]     Checking rsui v0.13.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/drawing_window.rs:39:15
[INFO] [stderr]    |
[INFO] [stderr] 39 |             if(first) {
[INFO] [stderr]    |               ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> src/drawing_window.rs:64:33
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 Event::Loop(ref l) => {
[INFO] [stderr]    |                                 ^ help: consider prefixing with an underscore: `_l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/drawing_window.rs:66:35
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 Event::Custom(ref id, _) => {
[INFO] [stderr]    |                                   ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut green_panel: Box<Widget> = Box::new(GridPanel::new([0.0, 1.0, 0.0, 1.0]));
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Color`
[INFO] [stderr]  --> src/widget.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub type Color = [f32; 4];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/drawing_window.rs:39:15
[INFO] [stderr]    |
[INFO] [stderr] 39 |             if(first) {
[INFO] [stderr]    |               ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> src/drawing_window.rs:64:33
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 Event::Loop(ref l) => {
[INFO] [stderr]    |                                 ^ help: consider prefixing with an underscore: `_l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/drawing_window.rs:66:35
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 Event::Custom(ref id, _) => {
[INFO] [stderr]    |                                   ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut green_panel: Box<Widget> = Box::new(GridPanel::new([0.0, 1.0, 0.0, 1.0]));
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Color`
[INFO] [stderr]  --> src/widget.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub type Color = [f32; 4];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.16s
[INFO] running `"docker" "inspect" "3b3e0a866e72f5fd57618b02dfa5a947a996efbacb843668afe7965e839643ea"`
[INFO] running `"docker" "rm" "-f" "3b3e0a866e72f5fd57618b02dfa5a947a996efbacb843668afe7965e839643ea"`
[INFO] [stdout] 3b3e0a866e72f5fd57618b02dfa5a947a996efbacb843668afe7965e839643ea