[INFO] fetching crate rust-hdl-test-core 0.1.0...
[INFO] checking rust-hdl-test-core-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate rust-hdl-test-core 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rust-hdl-test-core 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-hdl-test-core 0.1.0
[INFO] finished tweaking crates.io crate rust-hdl-test-core 0.1.0
[INFO] tweaked toml for crates.io crate rust-hdl-test-core 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f6bd61ef8224beee16a2aea8174fcef71d66de9ba07dd7a08cb6968e528c62d
[INFO] running `Command { std: "docker" "start" "-a" "9f6bd61ef8224beee16a2aea8174fcef71d66de9ba07dd7a08cb6968e528c62d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f6bd61ef8224beee16a2aea8174fcef71d66de9ba07dd7a08cb6968e528c62d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6bd61ef8224beee16a2aea8174fcef71d66de9ba07dd7a08cb6968e528c62d", kill_on_drop: false }`
[INFO] [stdout] 9f6bd61ef8224beee16a2aea8174fcef71d66de9ba07dd7a08cb6968e528c62d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de9a72139c3b3c6f66af42bfc54cf21ece00de301258260a977c720756d2aa9e
[INFO] running `Command { std: "docker" "start" "-a" "de9a72139c3b3c6f66af42bfc54cf21ece00de301258260a977c720756d2aa9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking vcd v0.6.1
[INFO] [stderr]     Checking evalexpr v6.6.0
[INFO] [stderr]     Checking array-init v2.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling rust-hdl-macros v0.1.0
[INFO] [stderr]     Checking rust-hdl-core v0.1.2
[INFO] [stderr]     Checking rust-hdl-yosys-synth v0.1.0
[INFO] [stderr]     Checking rust-hdl-widgets v0.1.0
[INFO] [stderr]     Checking rust-hdl-sim-chips v0.1.0
[INFO] [stderr]     Checking rust-hdl-test-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_hdl_yosys_synth::yosys_validate`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rust_hdl_yosys_synth::yosys_validate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_hdl_core::prelude::*`
[INFO] [stdout]  --> src/edge_detector.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rust_hdl_core::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_hdl_widgets::edge_detector::EdgeDetector`
[INFO] [stdout]  --> src/edge_detector.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rust_hdl_widgets::edge_detector::EdgeDetector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_hdl_yosys_synth::yosys_validate`
[INFO] [stdout]  --> src/edge_detector.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rust_hdl_yosys_synth::yosys_validate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/fifo.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_hdl_yosys_synth::yosys_validate`
[INFO] [stdout]  --> src/fifo.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rust_hdl_yosys_synth::yosys_validate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LogicBlock`, `LogicInterface`, `hdl_gen`
[INFO] [stdout]  --> src/nested_ports.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rust_hdl_macros::{hdl_gen, LogicBlock, LogicInterface};
[INFO] [stdout]   |                       ^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/nested_ports.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_hdl_yosys_synth::yosys_validate`
[INFO] [stdout]  --> src/pwm.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rust_hdl_yosys_synth::yosys_validate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/pwm.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_hdl_yosys_synth::yosys_validate`
[INFO] [stdout]  --> src/ram.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rust_hdl_yosys_synth::yosys_validate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_hdl_yosys_synth::yosys_validate`
[INFO] [stdout]  --> src/rom.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rust_hdl_yosys_synth::yosys_validate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/rom.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_hdl_yosys_synth::yosys_validate`
[INFO] [stdout]  --> src/spi.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rust_hdl_yosys_synth::yosys_validate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_hdl_yosys_synth::yosys_validate`
[INFO] [stdout]  --> src/sync_rom.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rust_hdl_yosys_synth::yosys_validate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/expander.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(word_order: WordOrder) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/expander.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn new(word_order: WordOrder) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/ram.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new() -> RAMTest {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/reducer.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new(order: WordOrder) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/reducer.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub fn new(order: WordOrder) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/rom.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new() -> ROMTest {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/spi.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn new(config: SPIConfig) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/sync_rom.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new() -> SyncROMTest {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MHZ1`
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const MHZ1: u64 = 1_000_000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.52s
[INFO] running `Command { std: "docker" "inspect" "de9a72139c3b3c6f66af42bfc54cf21ece00de301258260a977c720756d2aa9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9a72139c3b3c6f66af42bfc54cf21ece00de301258260a977c720756d2aa9e", kill_on_drop: false }`
[INFO] [stdout] de9a72139c3b3c6f66af42bfc54cf21ece00de301258260a977c720756d2aa9e