[INFO] fetching crate rust-hdl-core 0.46.0... [INFO] checking rust-hdl-core-0.46.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate rust-hdl-core 0.46.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate rust-hdl-core 0.46.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 46 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.13.1 (available: v0.22.1) [INFO] [stderr] Adding evalexpr v6.6.0 (available: v11.3.0) [INFO] [stderr] Adding fixedbitset v0.4.2 (available: v0.5.7) [INFO] [stderr] Adding svg v0.10.0 (available: v0.18.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding vcd v0.6.1 (available: v0.7.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6b39631ca4d81d2df96d5bef0e88ac5050850bd9c7ea986216ad6d74ccce4b93 [INFO] running `Command { std: "docker" "start" "-a" "6b39631ca4d81d2df96d5bef0e88ac5050850bd9c7ea986216ad6d74ccce4b93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b39631ca4d81d2df96d5bef0e88ac5050850bd9c7ea986216ad6d74ccce4b93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b39631ca4d81d2df96d5bef0e88ac5050850bd9c7ea986216ad6d74ccce4b93", kill_on_drop: false }` [INFO] [stdout] 6b39631ca4d81d2df96d5bef0e88ac5050850bd9c7ea986216ad6d74ccce4b93 [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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1125bdea9a348f3fa1b7e7ee769ea8f29a282d27e73c24ffed34224d6a88a2c [INFO] running `Command { std: "docker" "start" "-a" "e1125bdea9a348f3fa1b7e7ee769ea8f29a282d27e73c24ffed34224d6a88a2c", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling base64 v0.13.1 [INFO] [stderr] Compiling substring v1.4.5 [INFO] [stderr] Checking fixedbitset v0.4.2 [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 regex-automata v0.4.7 [INFO] [stderr] Checking vcd v0.6.1 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking petgraph v0.6.5 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Checking regex v1.10.6 [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 (/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)]` 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)]` 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)]` 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)]` 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: 11 warnings emitted [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)]` 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)]` 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)]` 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)]` 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: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.49s [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" "e1125bdea9a348f3fa1b7e7ee769ea8f29a282d27e73c24ffed34224d6a88a2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1125bdea9a348f3fa1b7e7ee769ea8f29a282d27e73c24ffed34224d6a88a2c", kill_on_drop: false }` [INFO] [stdout] e1125bdea9a348f3fa1b7e7ee769ea8f29a282d27e73c24ffed34224d6a88a2c