[INFO] fetching crate rpi-led-panel 0.8.1...
[INFO] checking rpi-led-panel-0.8.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rpi-led-panel 0.8.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rpi-led-panel 0.8.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rpi-led-panel 0.8.1
[INFO] tweaked toml for crates.io crate rpi-led-panel 0.8.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rpi-led-panel 0.8.1 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 rpi-led-panel 0.8.1 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6fd9893ca3842778b2ecaf6d3c54e9c38cca59f23f6a75c40b0912638e3dd5e8
[INFO] running `Command { std: "docker" "start" "-a" "6fd9893ca3842778b2ecaf6d3c54e9c38cca59f23f6a75c40b0912638e3dd5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fd9893ca3842778b2ecaf6d3c54e9c38cca59f23f6a75c40b0912638e3dd5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd9893ca3842778b2ecaf6d3c54e9c38cca59f23f6a75c40b0912638e3dd5e8", kill_on_drop: false }`
[INFO] [stdout] 6fd9893ca3842778b2ecaf6d3c54e9c38cca59f23f6a75c40b0912638e3dd5e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4579cfa5e546a920812f662647c6ee9b55edc0867cf90aaa25557dbe33dc7b3d
[INFO] running `Command { std: "docker" "start" "-a" "4579cfa5e546a920812f662647c6ee9b55edc0867cf90aaa25557dbe33dc7b3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]     Checking memmap2 v0.9.9
[INFO] [stderr]     Checking thread-priority v3.0.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]     Checking embedded-graphics v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling argh_derive v0.1.13
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking argh_shared v0.1.13
[INFO] [stderr]     Checking argh v0.1.13
[INFO] [stderr]     Checking rpi-led-panel v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<rpi_led_panel::embedded_graphics::geometry::Point, Infallible>
[INFO] [stdout]   --> examples/drawing.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             text.draw(canvas.as_mut()).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rpi-led-panel` (example "drawing") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4579cfa5e546a920812f662647c6ee9b55edc0867cf90aaa25557dbe33dc7b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4579cfa5e546a920812f662647c6ee9b55edc0867cf90aaa25557dbe33dc7b3d", kill_on_drop: false }`
[INFO] [stdout] 4579cfa5e546a920812f662647c6ee9b55edc0867cf90aaa25557dbe33dc7b3d