[INFO] fetching crate rust_hdl_lib_widgets 0.44.0...
[INFO] checking rust_hdl_lib_widgets-0.44.0 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate rust_hdl_lib_widgets 0.44.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate rust_hdl_lib_widgets 0.44.0 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_hdl_lib_widgets 0.44.0
[INFO] finished tweaking crates.io crate rust_hdl_lib_widgets 0.44.0
[INFO] tweaked toml for crates.io crate rust_hdl_lib_widgets 0.44.0 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.1)
[INFO] [stderr]       Adding evalexpr v6.6.0 (latest: v11.3.0)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (latest: v0.5.7)
[INFO] [stderr]       Adding svg v0.10.0 (latest: v0.17.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding vcd v0.6.1 (latest: v0.7.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfd039b7eca0835ec9c906dea9b06406d9bcb489fd0b2b2c37f5d8b9269cb289
[INFO] running `Command { std: "docker" "start" "-a" "cfd039b7eca0835ec9c906dea9b06406d9bcb489fd0b2b2c37f5d8b9269cb289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfd039b7eca0835ec9c906dea9b06406d9bcb489fd0b2b2c37f5d8b9269cb289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd039b7eca0835ec9c906dea9b06406d9bcb489fd0b2b2c37f5d8b9269cb289", kill_on_drop: false }`
[INFO] [stdout] cfd039b7eca0835ec9c906dea9b06406d9bcb489fd0b2b2c37f5d8b9269cb289
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b74d45ee33433ec94697a4e2bfb7960623d27c97836065a6da0dc02ec2ba0d8d
[INFO] running `Command { std: "docker" "start" "-a" "b74d45ee33433ec94697a4e2bfb7960623d27c97836065a6da0dc02ec2ba0d8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking vcd v0.6.1
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking evalexpr v6.6.0
[INFO] [stderr]     Checking svg v0.10.0
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling rust_hdl_lib_macros v0.44.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking rust_hdl_lib_core v0.44.1
[INFO] [stderr]     Checking rust_hdl_lib_widgets v0.44.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `dff_setup`
[INFO] [stdout]  --> src/delay_line.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{dff::DFF, dff_setup};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dff_setup`
[INFO] [stdout]  --> src/dff_with_init.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{dff::DFF, dff_setup};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dff_setup`
[INFO] [stdout]  --> src/delay_line.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{dff::DFF, dff_setup};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dff_setup`
[INFO] [stdout]  --> src/dff_with_init.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{dff::DFF, dff_setup};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.53s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "b74d45ee33433ec94697a4e2bfb7960623d27c97836065a6da0dc02ec2ba0d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74d45ee33433ec94697a4e2bfb7960623d27c97836065a6da0dc02ec2ba0d8d", kill_on_drop: false }`
[INFO] [stdout] b74d45ee33433ec94697a4e2bfb7960623d27c97836065a6da0dc02ec2ba0d8d