[INFO] fetching crate rpi-led-panel 0.5.0...
[INFO] checking rpi-led-panel-0.5.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate rpi-led-panel 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rpi-led-panel 0.5.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rpi-led-panel 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rpi-led-panel 0.5.0
[INFO] tweaked toml for crates.io crate rpi-led-panel 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate rpi-led-panel 0.5.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap2 v0.9.0
[INFO] [stderr]   Downloaded embedded-graphics-core v0.4.0
[INFO] [stderr]   Downloaded thread-priority v0.13.1
[INFO] [stderr]   Downloaded embedded-graphics v0.8.1
[INFO] [stderr]   Downloaded micromath v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c72ef8906f74142b3345e2657df0b70698228da249da435023184ab86f4f946
[INFO] running `Command { std: "docker" "start" "-a" "3c72ef8906f74142b3345e2657df0b70698228da249da435023184ab86f4f946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c72ef8906f74142b3345e2657df0b70698228da249da435023184ab86f4f946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c72ef8906f74142b3345e2657df0b70698228da249da435023184ab86f4f946", kill_on_drop: false }`
[INFO] [stdout] 3c72ef8906f74142b3345e2657df0b70698228da249da435023184ab86f4f946
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4a604ef7d1dc5df488e1f8f293ab9618f554c0fabbb760184305ad0fc625be0
[INFO] running `Command { std: "docker" "start" "-a" "f4a604ef7d1dc5df488e1f8f293ab9618f554c0fabbb760184305ad0fc625be0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking micromath v2.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking memmap2 v0.9.0
[INFO] [stderr]     Checking thread-priority v0.13.1
[INFO] [stderr]    Compiling syn v2.0.38
[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 v1.0.189
[INFO] [stderr]     Checking argh_shared v0.1.12
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]     Checking argh v0.1.12
[INFO] [stderr]     Checking rpi-led-panel v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Drawable` is imported redundantly
[INFO] [stdout]  --> examples/image.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Drawable` is already imported here
[INFO] [stdout] 7 |     Drawable,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Drawable` is imported redundantly
[INFO] [stdout]  --> examples/drawing.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Drawable` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Drawable,
[INFO] [stdout]   |     ^^^^^^^^
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.13s
[INFO] running `Command { std: "docker" "inspect" "f4a604ef7d1dc5df488e1f8f293ab9618f554c0fabbb760184305ad0fc625be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a604ef7d1dc5df488e1f8f293ab9618f554c0fabbb760184305ad0fc625be0", kill_on_drop: false }`
[INFO] [stdout] f4a604ef7d1dc5df488e1f8f293ab9618f554c0fabbb760184305ad0fc625be0
[INFO] checking rpi-led-panel-0.5.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate rpi-led-panel 0.5.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate rpi-led-panel 0.5.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rpi-led-panel 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rpi-led-panel 0.5.0
[INFO] tweaked toml for crates.io crate rpi-led-panel 0.5.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate rpi-led-panel 0.5.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13c07932625bba04d792c56d3806d186b14f9aa25b96706ce0c31b190fb96266
[INFO] running `Command { std: "docker" "start" "-a" "13c07932625bba04d792c56d3806d186b14f9aa25b96706ce0c31b190fb96266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13c07932625bba04d792c56d3806d186b14f9aa25b96706ce0c31b190fb96266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c07932625bba04d792c56d3806d186b14f9aa25b96706ce0c31b190fb96266", kill_on_drop: false }`
[INFO] [stdout] 13c07932625bba04d792c56d3806d186b14f9aa25b96706ce0c31b190fb96266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf9dab3a0deca12497b86f877ad2ce8ba47b0fbee774ffd381d7bda0d0841d8a
[INFO] running `Command { std: "docker" "start" "-a" "bf9dab3a0deca12497b86f877ad2ce8ba47b0fbee774ffd381d7bda0d0841d8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking micromath v2.0.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking memmap2 v0.9.0
[INFO] [stderr]     Checking thread-priority v0.13.1
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking embedded-graphics v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]     Checking argh_shared v0.1.12
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]     Checking argh v0.1.12
[INFO] [stderr]     Checking rpi-led-panel v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/rgb_matrix.rs:246:29
[INFO] [stdout]     |
[INFO] [stdout] 246 | / ...                   match canvas_from_thread_sender.send(old_canvas) {
[INFO] [stdout] 247 | | ...                       Ok(_) => break,
[INFO] [stdout] 248 | | ...                       Err(_) => {
[INFO] [stdout] 249 | | ...                           break 'thread;
[INFO] [stdout] 250 | | ...                       }
[INFO] [stdout] 251 | | ...                   };
[INFO] [stdout]     | |_______________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/rgb_matrix.rs:246:29
[INFO] [stdout]     |
[INFO] [stdout] 246 | / ...                   match canvas_from_thread_sender.send(old_canvas) {
[INFO] [stdout] 247 | | ...                       Ok(_) => break,
[INFO] [stdout] 248 | | ...                       Err(_) => {
[INFO] [stdout] 249 | | ...                           break 'thread;
[INFO] [stdout] 250 | | ...                       }
[INFO] [stdout] 251 | | ...                   };
[INFO] [stdout]     | |_______________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rpi-led-panel` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rpi-led-panel` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bf9dab3a0deca12497b86f877ad2ce8ba47b0fbee774ffd381d7bda0d0841d8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9dab3a0deca12497b86f877ad2ce8ba47b0fbee774ffd381d7bda0d0841d8a", kill_on_drop: false }`
[INFO] [stdout] bf9dab3a0deca12497b86f877ad2ce8ba47b0fbee774ffd381d7bda0d0841d8a