[INFO] fetching crate rust-hdl-bsp-tang-nano-9k 0.0.1... [INFO] checking rust-hdl-bsp-tang-nano-9k-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate rust-hdl-bsp-tang-nano-9k 0.0.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate rust-hdl-bsp-tang-nano-9k 0.0.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rust-hdl-bsp-tang-nano-9k 0.0.1 [INFO] finished tweaking crates.io crate rust-hdl-bsp-tang-nano-9k 0.0.1 [INFO] tweaked toml for crates.io crate rust-hdl-bsp-tang-nano-9k 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 49 packages [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.0) [INFO] [stderr] Adding evalexpr v6.6.0 (latest: v11.3.0) [INFO] [stderr] Adding fixedbitset v0.4.2 (latest: v0.5.6) [INFO] [stderr] Adding rust-hdl v0.45.1 (latest: v0.46.0) [INFO] [stderr] Adding rust-hdl-core v0.45.1 (latest: v0.46.0) [INFO] [stderr] Adding rust-hdl-fpga-support v0.45.1 (latest: v0.46.0) [INFO] [stderr] Adding rust-hdl-hls v0.45.1 (latest: v0.46.0) [INFO] [stderr] Adding rust-hdl-macros v0.45.1 (latest: v0.46.0) [INFO] [stderr] Adding rust-hdl-sim v0.45.1 (latest: v0.46.0) [INFO] [stderr] Adding rust-hdl-widgets v0.45.1 (latest: v0.46.0) [INFO] [stderr] Adding svg v0.10.0 (latest: v0.16.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding vcd v0.6.1 (latest: v0.7.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vcd v0.6.1 [INFO] [stderr] Downloaded substring v1.4.5 [INFO] [stderr] Downloaded evalexpr v6.6.0 [INFO] [stderr] Downloaded embed-doc-image v0.1.4 [INFO] [stderr] Downloaded rust-hdl-macros v0.45.1 [INFO] [stderr] Downloaded seq-macro v0.3.5 [INFO] [stderr] Downloaded rust-hdl-sim v0.45.1 [INFO] [stderr] Downloaded rust-hdl-hls v0.45.1 [INFO] [stderr] Downloaded rust-hdl-widgets v0.45.1 [INFO] [stderr] Downloaded rust-hdl v0.45.1 [INFO] [stderr] Downloaded rust-hdl-fpga-support v0.45.1 [INFO] [stderr] Downloaded rust-hdl-core v0.45.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3044ad742e1736034a59fd0ab79133633478cee4f6f521849436b797da5cef7c [INFO] running `Command { std: "docker" "start" "-a" "3044ad742e1736034a59fd0ab79133633478cee4f6f521849436b797da5cef7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3044ad742e1736034a59fd0ab79133633478cee4f6f521849436b797da5cef7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3044ad742e1736034a59fd0ab79133633478cee4f6f521849436b797da5cef7c", kill_on_drop: false }` [INFO] [stdout] 3044ad742e1736034a59fd0ab79133633478cee4f6f521849436b797da5cef7c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c04cbc23de11b20660754d901484ca0cdbf03988521891050e03c5005f660bce [INFO] running `Command { std: "docker" "start" "-a" "c04cbc23de11b20660754d901484ca0cdbf03988521891050e03c5005f660bce", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling substring v1.4.5 [INFO] [stderr] Compiling base64 v0.13.1 [INFO] [stderr] Checking evalexpr v6.6.0 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking petgraph v0.6.4 [INFO] [stderr] Checking svg v0.10.0 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking vcd v0.6.1 [INFO] [stderr] Compiling seq-macro v0.3.5 [INFO] [stderr] Checking array-init v2.1.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling embed-doc-image v0.1.4 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling rust-hdl-macros v0.45.1 [INFO] [stderr] Checking rust-hdl-core v0.45.1 [INFO] [stderr] Checking rust-hdl-widgets v0.45.1 [INFO] [stderr] Checking rust-hdl-hls v0.45.1 [INFO] [stderr] Checking rust-hdl-sim v0.45.1 [INFO] [stderr] Checking rust-hdl-fpga-support v0.45.1 [INFO] [stderr] Checking rust-hdl v0.45.1 [INFO] [stderr] Checking rust-hdl-bsp-tang-nano-9k v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `check_all` is imported redundantly [INFO] [stdout] --> src/synth.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rust_hdl::core::check_error::check_all; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use rust_hdl::core::prelude::*; [INFO] [stdout] | -------------------------- the item `check_all` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `check_all` is imported redundantly [INFO] [stdout] --> src/synth.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rust_hdl::core::check_error::check_all; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use rust_hdl::core::prelude::*; [INFO] [stdout] | -------------------------- the item `check_all` is already imported here [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 11.85s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.10.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "c04cbc23de11b20660754d901484ca0cdbf03988521891050e03c5005f660bce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c04cbc23de11b20660754d901484ca0cdbf03988521891050e03c5005f660bce", kill_on_drop: false }` [INFO] [stdout] c04cbc23de11b20660754d901484ca0cdbf03988521891050e03c5005f660bce [INFO] checking rust-hdl-bsp-tang-nano-9k-0.0.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate rust-hdl-bsp-tang-nano-9k 0.0.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate rust-hdl-bsp-tang-nano-9k 0.0.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rust-hdl-bsp-tang-nano-9k 0.0.1 [INFO] finished tweaking crates.io crate rust-hdl-bsp-tang-nano-9k 0.0.1 [INFO] tweaked toml for crates.io crate rust-hdl-bsp-tang-nano-9k 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 49 packages [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.0) [INFO] [stderr] Adding evalexpr v6.6.0 (latest: v11.3.0) [INFO] [stderr] Adding fixedbitset v0.4.2 (latest: v0.5.6) [INFO] [stderr] Adding rust-hdl v0.45.1 (latest: v0.46.0) [INFO] [stderr] Adding rust-hdl-core v0.45.1 (latest: v0.46.0) [INFO] [stderr] Adding rust-hdl-fpga-support v0.45.1 (latest: v0.46.0) [INFO] [stderr] Adding rust-hdl-hls v0.45.1 (latest: v0.46.0) [INFO] [stderr] Adding rust-hdl-macros v0.45.1 (latest: v0.46.0) [INFO] [stderr] Adding rust-hdl-sim v0.45.1 (latest: v0.46.0) [INFO] [stderr] Adding rust-hdl-widgets v0.45.1 (latest: v0.46.0) [INFO] [stderr] Adding svg v0.10.0 (latest: v0.16.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding vcd v0.6.1 (latest: v0.7.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50ce4f114a3c6c08d616039cd202c986a450af1e1104becd88a23b68e68c4b42 [INFO] running `Command { std: "docker" "start" "-a" "50ce4f114a3c6c08d616039cd202c986a450af1e1104becd88a23b68e68c4b42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50ce4f114a3c6c08d616039cd202c986a450af1e1104becd88a23b68e68c4b42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50ce4f114a3c6c08d616039cd202c986a450af1e1104becd88a23b68e68c4b42", kill_on_drop: false }` [INFO] [stdout] 50ce4f114a3c6c08d616039cd202c986a450af1e1104becd88a23b68e68c4b42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7319dd9fa0f970c1df621ee17ec063f64a6c6b3439ccc3ee7626445560b7c6d2 [INFO] running `Command { std: "docker" "start" "-a" "7319dd9fa0f970c1df621ee17ec063f64a6c6b3439ccc3ee7626445560b7c6d2", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling substring v1.4.5 [INFO] [stderr] Compiling base64 v0.13.1 [INFO] [stderr] Checking svg v0.10.0 [INFO] [stderr] Checking evalexpr v6.6.0 [INFO] [stderr] Checking vcd v0.6.1 [INFO] [stderr] Compiling seq-macro v0.3.5 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking petgraph v0.6.4 [INFO] [stderr] Checking array-init v2.1.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling embed-doc-image v0.1.4 [INFO] [stderr] Compiling rust-hdl-macros v0.45.1 [INFO] [stderr] Checking rust-hdl-core v0.45.1 [INFO] [stderr] Checking rust-hdl-widgets v0.45.1 [INFO] [stderr] Checking rust-hdl-hls v0.45.1 [INFO] [stderr] Checking rust-hdl-sim v0.45.1 [INFO] [stderr] Checking rust-hdl-fpga-support v0.45.1 [INFO] [stderr] Checking rust-hdl v0.45.1 [INFO] [stderr] Checking rust-hdl-bsp-tang-nano-9k v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `check_all` is imported redundantly [INFO] [stdout] --> src/synth.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rust_hdl::core::check_error::check_all; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use rust_hdl::core::prelude::*; [INFO] [stdout] | -------------------------- the item `check_all` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `check_all` is imported redundantly [INFO] [stdout] --> src/synth.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rust_hdl::core::check_error::check_all; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use rust_hdl::core::prelude::*; [INFO] [stdout] | -------------------------- the item `check_all` is already imported here [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 14.05s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.10.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "7319dd9fa0f970c1df621ee17ec063f64a6c6b3439ccc3ee7626445560b7c6d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7319dd9fa0f970c1df621ee17ec063f64a6c6b3439ccc3ee7626445560b7c6d2", kill_on_drop: false }` [INFO] [stdout] 7319dd9fa0f970c1df621ee17ec063f64a6c6b3439ccc3ee7626445560b7c6d2