[INFO] fetching crate beepy-display 0.1.1...
[INFO] checking beepy-display-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate beepy-display 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate beepy-display 0.1.1
[INFO] finished tweaking crates.io crate beepy-display 0.1.1
[INFO] tweaked toml for crates.io crate beepy-display 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate beepy-display 0.1.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate beepy-display 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9563821edb3c018d4f44734b41dcd3dd8b374c8e3563cf24790d16be56f703e5
[INFO] running `Command { std: "docker" "start" "-a" "9563821edb3c018d4f44734b41dcd3dd8b374c8e3563cf24790d16be56f703e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9563821edb3c018d4f44734b41dcd3dd8b374c8e3563cf24790d16be56f703e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9563821edb3c018d4f44734b41dcd3dd8b374c8e3563cf24790d16be56f703e5", kill_on_drop: false }`
[INFO] [stdout] 9563821edb3c018d4f44734b41dcd3dd8b374c8e3563cf24790d16be56f703e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0de9cd1c7e999dea344a6cf4e1c5dbf17db9de4f3ce4a78290b0c06a15a5bcba
[INFO] running `Command { std: "docker" "start" "-a" "0de9cd1c7e999dea344a6cf4e1c5dbf17db9de4f3ce4a78290b0c06a15a5bcba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking framebuffer v0.3.1
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]     Checking embedded-graphics v0.8.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking beepy-display v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, embedded_graphics::geometry::Point>
[INFO] [stdout]   --> examples/hello.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Text::new("Hello!", Point::new(20, 30), text_style).draw(&mut display)?;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<embedded_graphics::geometry::Point, Infallible>
[INFO] [stdout]   --> examples/hello.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Text::new("Hello!", Point::new(20, 30), text_style).draw(&mut display)?;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `beepy-display` (example "hello") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0de9cd1c7e999dea344a6cf4e1c5dbf17db9de4f3ce4a78290b0c06a15a5bcba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de9cd1c7e999dea344a6cf4e1c5dbf17db9de4f3ce4a78290b0c06a15a5bcba", kill_on_drop: false }`
[INFO] [stdout] 0de9cd1c7e999dea344a6cf4e1c5dbf17db9de4f3ce4a78290b0c06a15a5bcba