[INFO] fetching crate fui_controls 0.1.0...
[INFO] checking fui_controls-0.1.0 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate fui_controls 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fui_controls 0.1.0 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fui_controls 0.1.0
[INFO] finished tweaking crates.io crate fui_controls 0.1.0
[INFO] tweaked toml for crates.io crate fui_controls 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3c81c6eeddf1db798ef169f91b8eec2896ee8b64b088ef97c518610fec94efe
[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" "b3c81c6eeddf1db798ef169f91b8eec2896ee8b64b088ef97c518610fec94efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3c81c6eeddf1db798ef169f91b8eec2896ee8b64b088ef97c518610fec94efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c81c6eeddf1db798ef169f91b8eec2896ee8b64b088ef97c518610fec94efe", kill_on_drop: false }`
[INFO] [stdout] b3c81c6eeddf1db798ef169f91b8eec2896ee8b64b088ef97c518610fec94efe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a3502ae1e44114185830723128af1ebe693713df97ac22ba1a315493905ae8b
[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" "5a3502ae1e44114185830723128af1ebe693713df97ac22ba1a315493905ae8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking clamped v1.0.0
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking euclid v0.21.0
[INFO] [stderr]    Compiling fui_macros v0.1.0
[INFO] [stderr]     Checking freetype-rs v0.26.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking drawing v0.1.0
[INFO] [stderr]     Checking fui_core v0.1.0
[INFO] [stderr]     Checking fui_controls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `elements`
[INFO] [stdout]   --> src/controllers/radio_controller.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     elements: Rc<RefCell<dyn ObservableCollection<Rc<RefCell<R>>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `subscriptions`
[INFO] [stdout]   --> src/controllers/radio_controller.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     subscriptions: Rc<RefCell<Vec<EventSubscription>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `elements`
[INFO] [stdout]   --> src/controllers/radio_controller.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     elements: Rc<RefCell<dyn ObservableCollection<Rc<RefCell<R>>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `subscriptions`
[INFO] [stdout]   --> src/controllers/radio_controller.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     subscriptions: Rc<RefCell<Vec<EventSubscription>>>,
[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 6.95s
[INFO] running `Command { std: "docker" "inspect" "5a3502ae1e44114185830723128af1ebe693713df97ac22ba1a315493905ae8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3502ae1e44114185830723128af1ebe693713df97ac22ba1a315493905ae8b", kill_on_drop: false }`
[INFO] [stdout] 5a3502ae1e44114185830723128af1ebe693713df97ac22ba1a315493905ae8b