[INFO] fetching crate flo_canvas_events 0.3.1... [INFO] checking flo_canvas_events-0.3.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate flo_canvas_events 0.3.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate flo_canvas_events 0.3.1 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 flo_canvas_events 0.3.1 [INFO] finished tweaking crates.io crate flo_canvas_events 0.3.1 [INFO] tweaked toml for crates.io crate flo_canvas_events 0.3.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 34 packages [INFO] [stderr] Adding desync v0.7.2 (latest: v0.8.2) [INFO] [stderr] Adding flo_curves v0.6.1 (latest: v0.7.2) [INFO] [stderr] Adding flo_stream v0.6.0 (latest: v0.7.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding roots v0.0.7 (latest: v0.0.8) [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] Downloading crates ... [INFO] [stderr] Downloaded roots v0.0.7 [INFO] [stderr] Downloaded flo_stream v0.6.0 [INFO] [stderr] Downloaded desync v0.7.2 [INFO] [stderr] Downloaded flo_canvas v0.3.1 [INFO] [stderr] Downloaded flo_curves v0.6.1 [INFO] [stderr] Downloaded rust-hsluv v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 79d69f11f5f1f9a3e24f5f9376583b897041e52d39abaf50f46ba0a5cd94e5e0 [INFO] running `Command { std: "docker" "start" "-a" "79d69f11f5f1f9a3e24f5f9376583b897041e52d39abaf50f46ba0a5cd94e5e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79d69f11f5f1f9a3e24f5f9376583b897041e52d39abaf50f46ba0a5cd94e5e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79d69f11f5f1f9a3e24f5f9376583b897041e52d39abaf50f46ba0a5cd94e5e0", kill_on_drop: false }` [INFO] [stdout] 79d69f11f5f1f9a3e24f5f9376583b897041e52d39abaf50f46ba0a5cd94e5e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ca1d6705fef928f6ade6216e16012272637a3708ef7f2d93f11b3645f86a4de3 [INFO] running `Command { std: "docker" "start" "-a" "ca1d6705fef928f6ade6216e16012272637a3708ef7f2d93f11b3645f86a4de3", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking roots v0.0.7 [INFO] [stderr] Checking rust-hsluv v0.1.4 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking flo_curves v0.6.1 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking flo_stream v0.6.0 [INFO] [stderr] Checking desync v0.7.2 [INFO] [stderr] Checking flo_canvas v0.3.1 [INFO] [stderr] Checking flo_canvas_events v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.91s [INFO] running `Command { std: "docker" "inspect" "ca1d6705fef928f6ade6216e16012272637a3708ef7f2d93f11b3645f86a4de3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca1d6705fef928f6ade6216e16012272637a3708ef7f2d93f11b3645f86a4de3", kill_on_drop: false }` [INFO] [stdout] ca1d6705fef928f6ade6216e16012272637a3708ef7f2d93f11b3645f86a4de3 [INFO] checking flo_canvas_events-0.3.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate flo_canvas_events 0.3.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate flo_canvas_events 0.3.1 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 flo_canvas_events 0.3.1 [INFO] finished tweaking crates.io crate flo_canvas_events 0.3.1 [INFO] tweaked toml for crates.io crate flo_canvas_events 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84af0903bbd5a2ca2d173edfcb7b38a8fa0df7b15116481945328772508ea858 [INFO] running `Command { std: "docker" "start" "-a" "84af0903bbd5a2ca2d173edfcb7b38a8fa0df7b15116481945328772508ea858", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84af0903bbd5a2ca2d173edfcb7b38a8fa0df7b15116481945328772508ea858", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84af0903bbd5a2ca2d173edfcb7b38a8fa0df7b15116481945328772508ea858", kill_on_drop: false }` [INFO] [stdout] 84af0903bbd5a2ca2d173edfcb7b38a8fa0df7b15116481945328772508ea858 [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" "-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] efff5af64562a58f21de3efd53a5db76a0ef1c08290386c7de0dd3a7e39da8b3 [INFO] running `Command { std: "docker" "start" "-a" "efff5af64562a58f21de3efd53a5db76a0ef1c08290386c7de0dd3a7e39da8b3", kill_on_drop: false }` [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking roots v0.0.7 [INFO] [stderr] Checking rust-hsluv v0.1.4 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking flo_curves v0.6.1 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking flo_stream v0.6.0 [INFO] [stderr] Checking desync v0.7.2 [INFO] [stderr] Checking flo_canvas v0.3.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/flo_canvas-0.3.1/src/decoding.rs:822:17 [INFO] [stdout] | [INFO] [stdout] 822 | Err(DecoderError::UnknownColorType)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 822 | Err::(DecoderError::UnknownColorType)?; [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/flo_canvas-0.3.1/src/decoding.rs:844:17 [INFO] [stdout] | [INFO] [stdout] 844 | Err(DecoderError::UnknownColorType)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 844 | Err::(DecoderError::UnknownColorType)?; [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/flo_canvas-0.3.1/src/decoding.rs:866:17 [INFO] [stdout] | [INFO] [stdout] 866 | Err(DecoderError::UnknownColorType)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 866 | Err::(DecoderError::UnknownColorType)?; [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/flo_canvas-0.3.1/src/decoding.rs:1572:17 [INFO] [stdout] | [INFO] [stdout] 1572 | Err(DecoderError::UnknownColorType)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 1572 | Err::(DecoderError::UnknownColorType)?; [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/flo_canvas-0.3.1/src/decoding.rs:1601:17 [INFO] [stdout] | [INFO] [stdout] 1601 | Err(DecoderError::UnknownColorType)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 1601 | Err::(DecoderError::UnknownColorType)?; [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `flo_canvas` (lib) due to 6 previous errors [INFO] running `Command { std: "docker" "inspect" "efff5af64562a58f21de3efd53a5db76a0ef1c08290386c7de0dd3a7e39da8b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efff5af64562a58f21de3efd53a5db76a0ef1c08290386c7de0dd3a7e39da8b3", kill_on_drop: false }` [INFO] [stdout] efff5af64562a58f21de3efd53a5db76a0ef1c08290386c7de0dd3a7e39da8b3