[INFO] fetching crate conrod_floatwin 0.0.2...
[INFO] checking conrod_floatwin-0.0.2 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate conrod_floatwin 0.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate conrod_floatwin 0.0.2 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conrod_floatwin 0.0.2
[INFO] finished tweaking crates.io crate conrod_floatwin 0.0.2
[INFO] tweaked toml for crates.io crate conrod_floatwin 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate conrod_floatwin 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99220911c53aa94b7e03d025fe53bc7ad0b19c26bbf41ec3b96706e3c84b2daf
[INFO] running `Command { std: "docker" "start" "-a" "99220911c53aa94b7e03d025fe53bc7ad0b19c26bbf41ec3b96706e3c84b2daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99220911c53aa94b7e03d025fe53bc7ad0b19c26bbf41ec3b96706e3c84b2daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99220911c53aa94b7e03d025fe53bc7ad0b19c26bbf41ec3b96706e3c84b2daf", kill_on_drop: false }`
[INFO] [stdout] 99220911c53aa94b7e03d025fe53bc7ad0b19c26bbf41ec3b96706e3c84b2daf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86750077b7d570117413cda8b5786fb22345563f3c9a8f49288207aceaf66c37
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "86750077b7d570117413cda8b5786fb22345563f3c9a8f49288207aceaf66c37", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glium v0.24.0
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking wayland-client v0.23.6
[INFO] [stderr]     Checking wayland-protocols v0.23.6
[INFO] [stderr]     Checking x11-clipboard v0.5.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling conrod_derive v0.70.0
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking smithay-clipboard v0.4.0
[INFO] [stderr]     Checking glutin v0.20.1
[INFO] [stderr]     Checking copypasta v0.6.3
[INFO] [stderr]     Checking pistoncore-input v0.24.0
[INFO] [stderr]     Checking conrod_core v0.70.0
[INFO] [stderr]     Checking conrod_floatwin v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking conrod_glium v0.70.0
[INFO] [stdout] warning: unused import: `Borderable`
[INFO] [stdout]  --> src/windowing_area/window_frame.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 |     text, widget, widget_ids, Borderable, Color, Colorable, FontSize, Labelable, Positionable,
[INFO] [stdout]   |                               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Labelable`
[INFO] [stdout]  --> src/windowing_area/window_frame.rs:8:71
[INFO] [stdout]   |
[INFO] [stdout] 8 |     text, widget, widget_ids, Borderable, Color, Colorable, FontSize, Labelable, Positionable,
[INFO] [stdout]   |                                                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `min_size`
[INFO] [stdout]    --> src/windowing_area/layout.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |             min_size,
[INFO] [stdout]     |             ^^^^^^^^ help: try ignoring the field: `min_size: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PointF`
[INFO] [stdout]   --> src/windowing_area/layout/dim.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub type PointF = Point<f32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PointI`
[INFO] [stdout]   --> src/windowing_area/layout/dim.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub type PointI = Point<i32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DimRangeH`
[INFO] [stdout]  --> src/windowing_area/layout/snapping.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type DimRangeH = DimRange<i32, Horizontal>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DimRangeV`
[INFO] [stdout]  --> src/windowing_area/layout/snapping.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type DimRangeV = DimRange<i32, Vertical>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_win_normal_rect`
[INFO] [stdout]    --> src/windowing_area/layout.rs:552:19
[INFO] [stdout]     |
[INFO] [stdout] 552 |     pub(crate) fn set_win_normal_rect(&mut self, win_id: WinId, rect: RectF) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borderable`
[INFO] [stdout]  --> src/windowing_area/window_frame.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 |     text, widget, widget_ids, Borderable, Color, Colorable, FontSize, Labelable, Positionable,
[INFO] [stdout]   |                               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Labelable`
[INFO] [stdout]  --> src/windowing_area/window_frame.rs:8:71
[INFO] [stdout]   |
[INFO] [stdout] 8 |     text, widget, widget_ids, Borderable, Color, Colorable, FontSize, Labelable, Positionable,
[INFO] [stdout]   |                                                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `min_size`
[INFO] [stdout]    --> src/windowing_area/layout.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |             min_size,
[INFO] [stdout]     |             ^^^^^^^^ help: try ignoring the field: `min_size: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PointF`
[INFO] [stdout]   --> src/windowing_area/layout/dim.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub type PointF = Point<f32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `PointI`
[INFO] [stdout]   --> src/windowing_area/layout/dim.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub type PointI = Point<i32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DimRangeH`
[INFO] [stdout]  --> src/windowing_area/layout/snapping.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type DimRangeH = DimRange<i32, Horizontal>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DimRangeV`
[INFO] [stdout]  --> src/windowing_area/layout/snapping.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type DimRangeV = DimRange<i32, Vertical>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_win_normal_rect`
[INFO] [stdout]    --> src/windowing_area/layout.rs:552:19
[INFO] [stdout]     |
[INFO] [stdout] 552 |     pub(crate) fn set_win_normal_rect(&mut self, win_id: WinId, rect: RectF) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86750077b7d570117413cda8b5786fb22345563f3c9a8f49288207aceaf66c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86750077b7d570117413cda8b5786fb22345563f3c9a8f49288207aceaf66c37", kill_on_drop: false }`
[INFO] [stdout] 86750077b7d570117413cda8b5786fb22345563f3c9a8f49288207aceaf66c37