[INFO] fetching crate conrod_example_shared 0.76.1...
[INFO] checking conrod_example_shared-0.76.1 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate conrod_example_shared 0.76.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate conrod_example_shared 0.76.1 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conrod_example_shared 0.76.1
[INFO] finished tweaking crates.io crate conrod_example_shared 0.76.1
[INFO] tweaked toml for crates.io crate conrod_example_shared 0.76.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d83e2325a9ce7be1c67f7856e3b58b9ddbe39639d6b993ca93156bab59749e6
[INFO] running `Command { std: "docker" "start" "-a" "6d83e2325a9ce7be1c67f7856e3b58b9ddbe39639d6b993ca93156bab59749e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d83e2325a9ce7be1c67f7856e3b58b9ddbe39639d6b993ca93156bab59749e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d83e2325a9ce7be1c67f7856e3b58b9ddbe39639d6b993ca93156bab59749e6", kill_on_drop: false }`
[INFO] [stdout] 6d83e2325a9ce7be1c67f7856e3b58b9ddbe39639d6b993ca93156bab59749e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf8745ab2e9cabfaef482cefbea4eddc772aeb051078a310974156c9a377a887
[INFO] running `Command { std: "docker" "start" "-a" "bf8745ab2e9cabfaef482cefbea4eddc772aeb051078a310974156c9a377a887", kill_on_drop: false }`
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[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:277:19
[INFO] [stdout]     |
[INFO] [stdout] 277 |       for (x, y) in widget::XYPad::new(app.ball_xy[0], min_x, max_x, app.ball_xy[1], min_y, max_y)
[INFO] [stdout]     |  ___________________^
[INFO] [stdout] 278 | |         .label("BALL XY")
[INFO] [stdout] 279 | |         .wh_of(ids.button)
[INFO] [stdout] 280 | |         .align_middle_y_of(ids.button)
[INFO] [stdout] 281 | |         .align_middle_x_of(ids.canvas)
[INFO] [stdout] 282 | |         .parent(ids.canvas)
[INFO] [stdout] 283 | |         .set(ids.xy_pad, ui)
[INFO] [stdout]     | |____________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 277 |     while let Some((x, y)) = widget::XYPad::new(app.ball_xy[0], min_x, max_x, app.ball_xy[1], min_y, max_y)
[INFO] [stdout]     |     ~~~~~~~~~~~~~~~      ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 277 |     if let Some((x, y)) = widget::XYPad::new(app.ball_xy[0], min_x, max_x, app.ball_xy[1], min_y, max_y)
[INFO] [stdout]     |     ~~~~~~~~~~~~      ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:277:19
[INFO] [stdout]     |
[INFO] [stdout] 277 |       for (x, y) in widget::XYPad::new(app.ball_xy[0], min_x, max_x, app.ball_xy[1], min_y, max_y)
[INFO] [stdout]     |  ___________________^
[INFO] [stdout] 278 | |         .label("BALL XY")
[INFO] [stdout] 279 | |         .wh_of(ids.button)
[INFO] [stdout] 280 | |         .align_middle_y_of(ids.button)
[INFO] [stdout] 281 | |         .align_middle_x_of(ids.canvas)
[INFO] [stdout] 282 | |         .parent(ids.canvas)
[INFO] [stdout] 283 | |         .set(ids.xy_pad, ui)
[INFO] [stdout]     | |____________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 277 |     while let Some((x, y)) = widget::XYPad::new(app.ball_xy[0], min_x, max_x, app.ball_xy[1], min_y, max_y)
[INFO] [stdout]     |     ~~~~~~~~~~~~~~~      ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 277 |     if let Some((x, y)) = widget::XYPad::new(app.ball_xy[0], min_x, max_x, app.ball_xy[1], min_y, max_y)
[INFO] [stdout]     |     ~~~~~~~~~~~~      ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:329:21
[INFO] [stdout]     |
[INFO] [stdout] 329 |       for new_freq in widget::NumberDialer::new(app.sine_frequency, min, max, decimal_precision)
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 330 | |         .down(60.0)
[INFO] [stdout] 331 | |         .align_middle_x_of(ids.canvas)
[INFO] [stdout] 332 | |         .w_h(160.0, 40.0)
[INFO] [stdout] 333 | |         .label("F R E Q")
[INFO] [stdout] 334 | |         .set(ids.number_dialer, ui)
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 329 |     while let Some(new_freq) = widget::NumberDialer::new(app.sine_frequency, min, max, decimal_precision)
[INFO] [stdout]     |     ~~~~~~~~~~~~~~~        ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 329 |     if let Some(new_freq) = widget::NumberDialer::new(app.sine_frequency, min, max, decimal_precision)
[INFO] [stdout]     |     ~~~~~~~~~~~~        ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib.rs:329:21
[INFO] [stdout]     |
[INFO] [stdout] 329 |       for new_freq in widget::NumberDialer::new(app.sine_frequency, min, max, decimal_precision)
[INFO] [stdout]     |  _____________________^
[INFO] [stdout] 330 | |         .down(60.0)
[INFO] [stdout] 331 | |         .align_middle_x_of(ids.canvas)
[INFO] [stdout] 332 | |         .w_h(160.0, 40.0)
[INFO] [stdout] 333 | |         .label("F R E Q")
[INFO] [stdout] 334 | |         .set(ids.number_dialer, ui)
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 329 |     while let Some(new_freq) = widget::NumberDialer::new(app.sine_frequency, min, max, decimal_precision)
[INFO] [stdout]     |     ~~~~~~~~~~~~~~~        ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 329 |     if let Some(new_freq) = widget::NumberDialer::new(app.sine_frequency, min, max, decimal_precision)
[INFO] [stdout]     |     ~~~~~~~~~~~~        ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.93s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "bf8745ab2e9cabfaef482cefbea4eddc772aeb051078a310974156c9a377a887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8745ab2e9cabfaef482cefbea4eddc772aeb051078a310974156c9a377a887", kill_on_drop: false }`
[INFO] [stdout] bf8745ab2e9cabfaef482cefbea4eddc772aeb051078a310974156c9a377a887
