[INFO] fetching crate rust-hdl-widgets 0.46.0...
[INFO] checking rust-hdl-widgets-0.46.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate rust-hdl-widgets 0.46.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rust-hdl-widgets 0.46.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-hdl-widgets 0.46.0
[INFO] finished tweaking crates.io crate rust-hdl-widgets 0.46.0
[INFO] tweaked toml for crates.io crate rust-hdl-widgets 0.46.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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: v2.0.76)
[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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded evalexpr v6.6.0
[INFO] [stderr]   Downloaded rust-hdl-macros v0.46.0
[INFO] [stderr]   Downloaded vcd v0.6.1
[INFO] [stderr]   Downloaded svg v0.10.0
[INFO] [stderr]   Downloaded rust-hdl-core v0.46.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 472a1fe2c342ddfe3f7a83ba39dfcf695cd6604d20d9dc8a086499eff3390bff
[INFO] running `Command { std: "docker" "start" "-a" "472a1fe2c342ddfe3f7a83ba39dfcf695cd6604d20d9dc8a086499eff3390bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "472a1fe2c342ddfe3f7a83ba39dfcf695cd6604d20d9dc8a086499eff3390bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472a1fe2c342ddfe3f7a83ba39dfcf695cd6604d20d9dc8a086499eff3390bff", kill_on_drop: false }`
[INFO] [stdout] 472a1fe2c342ddfe3f7a83ba39dfcf695cd6604d20d9dc8a086499eff3390bff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b287ae2e2e9bce469e574c4172489b20ca34b74b02bb0451e224b5afdf67ddf1
[INFO] running `Command { std: "docker" "start" "-a" "b287ae2e2e9bce469e574c4172489b20ca34b74b02bb0451e224b5afdf67ddf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking svg v0.10.0
[INFO] [stderr]     Checking evalexpr v6.6.0
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking vcd v0.6.1
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]    Compiling rust-hdl-macros v0.46.0
[INFO] [stderr]     Checking rust-hdl-core v0.46.0
[INFO] [stderr]     Checking rust-hdl-widgets v0.46.0 (/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 5.93s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "b287ae2e2e9bce469e574c4172489b20ca34b74b02bb0451e224b5afdf67ddf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b287ae2e2e9bce469e574c4172489b20ca34b74b02bb0451e224b5afdf67ddf1", kill_on_drop: false }`
[INFO] [stdout] b287ae2e2e9bce469e574c4172489b20ca34b74b02bb0451e224b5afdf67ddf1