[INFO] fetching crate rust-hdl-core 0.46.0...
[INFO] building rust-hdl-core-0.46.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rust-hdl-core 0.46.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rust-hdl-core 0.46.0
[INFO] finished tweaking crates.io crate rust-hdl-core 0.46.0
[INFO] tweaked toml for crates.io crate rust-hdl-core 0.46.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-hdl-core 0.46.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding evalexpr v6.6.0 (available: v12.0.2)
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[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding svg v0.10.0 (available: v0.18.0)
[INFO] [stderr]       Adding vcd v0.6.1 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "7b42da10e73c943324af84faa3f57eb529eb71e4a330fd5b2f8ec8d3a285f5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b42da10e73c943324af84faa3f57eb529eb71e4a330fd5b2f8ec8d3a285f5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b42da10e73c943324af84faa3f57eb529eb71e4a330fd5b2f8ec8d3a285f5e3", kill_on_drop: false }`
[INFO] [stdout] 7b42da10e73c943324af84faa3f57eb529eb71e4a330fd5b2f8ec8d3a285f5e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed25dfeb6165338625a996954f765bf7015ec95348655449fb88aadcb78576e1
[INFO] running `Command { std: "docker" "start" "-a" "ed25dfeb6165338625a996954f765bf7015ec95348655449fb88aadcb78576e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling evalexpr v6.6.0
[INFO] [stderr]    Compiling vcd v0.6.1
[INFO] [stderr]    Compiling array-init v2.1.0
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]    Compiling svg v0.10.0
[INFO] [stderr]    Compiling rust-hdl-macros v0.46.0
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling rust-hdl-core v0.46.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::bits::Bits`
[INFO] [stdout]  --> src/constant.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::bits::Bits;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Signal`
[INFO] [stdout]  --> src/constant.rs:8:36
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::signal::{get_signal_id, Signal};
[INFO] [stdout]   |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sim_assert_eq`
[INFO] [stdout]  --> src/constant.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::sim_assert_eq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sim` and `Simulation`
[INFO] [stdout]   --> src/constant.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::simulate::{Sim, Simulation};
[INFO] [stdout]    |                       ^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ast::Verilog` and `timing::TimingInfo`
[INFO] [stdout]  --> src/top_wrap.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ast::Verilog, block::Block, logic::Logic, probe::Probe, timing::TimingInfo};
[INFO] [stdout]   |             ^^^^^^^^^^^^                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module`
[INFO] [stdout]    --> src/check_timing.rs:122:28
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn add_code(&mut self, module: &str, code: Verilog) {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/check_timing.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         width: &usize,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dot`
[INFO] [stdout]    --> src/check_timing.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |     let dot = scan.graph.dot();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_dot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check_timing.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |     let mut labels = vertex_sets.into_labeling();
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Reset` is never constructed
[INFO] [stdout]   --> src/check_timing.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum SignalEdgeKind {
[INFO] [stdout]    |      -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 30 |     Reset,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SignalEdgeKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_write_mode` and `set_read_mode` are never used
[INFO] [stdout]    --> src/check_timing.rs:97:8
[INFO] [stdout]     |
[INFO] [stdout]  96 | impl TimingChecker {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout]  97 |     fn set_write_mode(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn set_read_mode(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.14s
[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 7`
[INFO] running `Command { std: "docker" "inspect" "ed25dfeb6165338625a996954f765bf7015ec95348655449fb88aadcb78576e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed25dfeb6165338625a996954f765bf7015ec95348655449fb88aadcb78576e1", kill_on_drop: false }`
[INFO] [stdout] ed25dfeb6165338625a996954f765bf7015ec95348655449fb88aadcb78576e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e957e2d4c3502d44461344f67bc7a2d72be795ada58eac36e97082c9dbf5199
[INFO] running `Command { std: "docker" "start" "-a" "6e957e2d4c3502d44461344f67bc7a2d72be795ada58eac36e97082c9dbf5199", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::bits::Bits`
[INFO] [stdout]  --> src/constant.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::bits::Bits;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Signal`
[INFO] [stdout]  --> src/constant.rs:8:36
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::signal::{get_signal_id, Signal};
[INFO] [stdout]   |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sim_assert_eq`
[INFO] [stdout]  --> src/constant.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::sim_assert_eq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sim` and `Simulation`
[INFO] [stdout]   --> src/constant.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::simulate::{Sim, Simulation};
[INFO] [stdout]    |                       ^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ast::Verilog` and `timing::TimingInfo`
[INFO] [stdout]  --> src/top_wrap.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ast::Verilog, block::Block, logic::Logic, probe::Probe, timing::TimingInfo};
[INFO] [stdout]   |             ^^^^^^^^^^^^                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module`
[INFO] [stdout]    --> src/check_timing.rs:122:28
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn add_code(&mut self, module: &str, code: Verilog) {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/check_timing.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         width: &usize,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dot`
[INFO] [stdout]    --> src/check_timing.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |     let dot = scan.graph.dot();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_dot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check_timing.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |     let mut labels = vertex_sets.into_labeling();
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-hdl-core v0.46.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Reset` is never constructed
[INFO] [stdout]   --> src/check_timing.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum SignalEdgeKind {
[INFO] [stdout]    |      -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 30 |     Reset,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SignalEdgeKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_write_mode` and `set_read_mode` are never used
[INFO] [stdout]    --> src/check_timing.rs:97:8
[INFO] [stdout]     |
[INFO] [stdout]  96 | impl TimingChecker {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout]  97 |     fn set_write_mode(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn set_read_mode(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::bits::Bits`
[INFO] [stdout]  --> src/constant.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::bits::Bits;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Signal`
[INFO] [stdout]  --> src/constant.rs:8:36
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::signal::{get_signal_id, Signal};
[INFO] [stdout]   |                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sim_assert_eq`
[INFO] [stdout]  --> src/constant.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::sim_assert_eq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sim` and `Simulation`
[INFO] [stdout]   --> src/constant.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::simulate::{Sim, Simulation};
[INFO] [stdout]    |                       ^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ast::Verilog` and `timing::TimingInfo`
[INFO] [stdout]  --> src/top_wrap.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ast::Verilog, block::Block, logic::Logic, probe::Probe, timing::TimingInfo};
[INFO] [stdout]   |             ^^^^^^^^^^^^                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module`
[INFO] [stdout]    --> src/check_timing.rs:122:28
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn add_code(&mut self, module: &str, code: Verilog) {
[INFO] [stdout]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/check_timing.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         width: &usize,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dot`
[INFO] [stdout]    --> src/check_timing.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |     let dot = scan.graph.dot();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_dot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/check_timing.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |     let mut labels = vertex_sets.into_labeling();
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Reset` is never constructed
[INFO] [stdout]   --> src/check_timing.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum SignalEdgeKind {
[INFO] [stdout]    |      -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 30 |     Reset,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SignalEdgeKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_write_mode` and `set_read_mode` are never used
[INFO] [stdout]    --> src/check_timing.rs:97:8
[INFO] [stdout]     |
[INFO] [stdout]  96 | impl TimingChecker {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout]  97 |     fn set_write_mode(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn set_read_mode(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 27.64s
[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 7`
[INFO] running `Command { std: "docker" "inspect" "6e957e2d4c3502d44461344f67bc7a2d72be795ada58eac36e97082c9dbf5199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e957e2d4c3502d44461344f67bc7a2d72be795ada58eac36e97082c9dbf5199", kill_on_drop: false }`
[INFO] [stdout] 6e957e2d4c3502d44461344f67bc7a2d72be795ada58eac36e97082c9dbf5199
