[INFO] fetching crate candelabre-windowing 0.2.1...
[INFO] checking candelabre-windowing-0.2.1 against master#accc516128b21e960b1a7af45393e9acdd184890 for pr-122501
[INFO] extracting crate candelabre-windowing 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate candelabre-windowing 0.2.1 on toolchain accc516128b21e960b1a7af45393e9acdd184890
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+accc516128b21e960b1a7af45393e9acdd184890" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate candelabre-windowing 0.2.1
[INFO] finished tweaking crates.io crate candelabre-windowing 0.2.1
[INFO] tweaked toml for crates.io crate candelabre-windowing 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+accc516128b21e960b1a7af45393e9acdd184890" "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" "+accc516128b21e960b1a7af45393e9acdd184890" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-commons v0.23.6
[INFO] [stderr]   Downloaded wayland-sys v0.23.6
[INFO] [stderr]   Downloaded ndk-glue v0.1.0
[INFO] [stderr]   Downloaded calloop v0.4.4
[INFO] [stderr]   Downloaded wayland-scanner v0.23.6
[INFO] [stderr]   Downloaded gl v0.14.0
[INFO] [stderr]   Downloaded wayland-client v0.23.6
[INFO] [stderr]   Downloaded ndk v0.1.0
[INFO] [stderr]   Downloaded glutin v0.24.1
[INFO] [stderr]   Downloaded cocoa v0.20.2
[INFO] [stderr]   Downloaded ndk-sys v0.1.0
[INFO] [stderr]   Downloaded wayland-protocols v0.23.6
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.6.6
[INFO] [stderr]   Downloaded winit v0.22.2
[INFO] [stderr]   Downloaded xdg v2.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+accc516128b21e960b1a7af45393e9acdd184890" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be22fef6be08602fae4b02f72e168576d16411bb9370a620a8d2d4ec0f9e01de
[INFO] running `Command { std: "docker" "start" "-a" "be22fef6be08602fae4b02f72e168576d16411bb9370a620a8d2d4ec0f9e01de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be22fef6be08602fae4b02f72e168576d16411bb9370a620a8d2d4ec0f9e01de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be22fef6be08602fae4b02f72e168576d16411bb9370a620a8d2d4ec0f9e01de", kill_on_drop: false }`
[INFO] [stdout] be22fef6be08602fae4b02f72e168576d16411bb9370a620a8d2d4ec0f9e01de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+accc516128b21e960b1a7af45393e9acdd184890" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6db2e868c767f0870662ae7bf122f1600635e7c4a285f317ce9bbbbf518b8d68
[INFO] running `Command { std: "docker" "start" "-a" "6db2e868c767f0870662ae7bf122f1600635e7c4a285f317ce9bbbbf518b8d68", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
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[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking xml-rs v0.8.19
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.8
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking winit v0.22.2
[INFO] [stderr]     Checking glutin v0.24.1
[INFO] [stderr]     Checking candelabre-windowing v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `gl` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | use gl;
[INFO] [stdout]    |     ^^ the item `gl` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `gl` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | use gl;
[INFO] [stdout]    |     ^^ the item `gl` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> tests/integration_test.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 | /         &win_manager.create_window::<_, FakeSurface>(
[INFO] [stdout] 108 | |             &el,
[INFO] [stdout] 109 | |             el.primary_monitor().video_modes().next().unwrap(),
[INFO] [stdout] 110 | |             CandlDimension::Classic(800, 400),
[INFO] [stdout] 111 | |             &format!("test candelabre multi window: #{}", win_idx+1),
[INFO] [stdout] 112 | |             CandlOptions::default()
[INFO] [stdout] 113 | |         ).unwrap();
[INFO] [stdout]     | |__________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let _ = &win_manager.create_window::<_, FakeSurface>(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.13s
[INFO] running `Command { std: "docker" "inspect" "6db2e868c767f0870662ae7bf122f1600635e7c4a285f317ce9bbbbf518b8d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db2e868c767f0870662ae7bf122f1600635e7c4a285f317ce9bbbbf518b8d68", kill_on_drop: false }`
[INFO] [stdout] 6db2e868c767f0870662ae7bf122f1600635e7c4a285f317ce9bbbbf518b8d68