[INFO] cloning repository https://github.com/programmerjake/rust-hdl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/programmerjake/rust-hdl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogrammerjake%2Frust-hdl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogrammerjake%2Frust-hdl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c41b9036c99bbc3e910477519628edec6a348c9
[INFO] checking programmerjake/rust-hdl against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogrammerjake%2Frust-hdl" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/programmerjake/rust-hdl on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/programmerjake/rust-hdl
[INFO] finished tweaking git repo https://github.com/programmerjake/rust-hdl
[INFO] tweaked toml for git repo https://github.com/programmerjake/rust-hdl written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/programmerjake/rust-hdl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 258bd8f9e6f2a738e8989c5d05644805137bc5fde5683ea764bafbf6d650df96
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "258bd8f9e6f2a738e8989c5d05644805137bc5fde5683ea764bafbf6d650df96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "258bd8f9e6f2a738e8989c5d05644805137bc5fde5683ea764bafbf6d650df96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258bd8f9e6f2a738e8989c5d05644805137bc5fde5683ea764bafbf6d650df96", kill_on_drop: false }`
[INFO] [stdout] 258bd8f9e6f2a738e8989c5d05644805137bc5fde5683ea764bafbf6d650df96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14239c36e78fb2e88223d91e977219d513d6e913cdc09323d781fc241c156026
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "14239c36e78fb2e88223d91e977219d513d6e913cdc09323d781fc241c156026", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rust-hdl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/ir/logic.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module`
[INFO] [stdout]   --> src/logic.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(module: ModuleRef<'ctx>, value_type: ValueType<'ctx, T>) -> Self {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value_type`
[INFO] [stdout]   --> src/logic.rs:16:41
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(module: ModuleRef<'ctx>, value_type: ValueType<'ctx, T>) -> Self {
[INFO] [stdout]    |                                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_value_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/value.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn get_value_type(&self, ctx: ContextRef<'ctx>) -> ValueType<'ctx, Self> {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/value.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn get_value_type(&self, ctx: ContextRef<'ctx>) -> ValueType<'ctx, Self> {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/value.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn get_value_type(&self, ctx: ContextRef<'ctx>) -> ValueType<'ctx, Self> {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/value.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn get_value_type(&self, ctx: ContextRef<'ctx>) -> ValueType<'ctx, Self> {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/ir/logic.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `module`
[INFO] [stdout]   --> src/logic.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(module: ModuleRef<'ctx>, value_type: ValueType<'ctx, T>) -> Self {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_module`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value_type`
[INFO] [stdout]   --> src/logic.rs:16:41
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(module: ModuleRef<'ctx>, value_type: ValueType<'ctx, T>) -> Self {
[INFO] [stdout]    |                                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_value_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/value.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn get_value_type(&self, ctx: ContextRef<'ctx>) -> ValueType<'ctx, Self> {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/value.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn get_value_type(&self, ctx: ContextRef<'ctx>) -> ValueType<'ctx, Self> {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/value.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn get_value_type(&self, ctx: ContextRef<'ctx>) -> ValueType<'ctx, Self> {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/value.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn get_value_type(&self, ctx: ContextRef<'ctx>) -> ValueType<'ctx, Self> {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `assigned_value`
[INFO] [stdout]   --> src/ir/logic.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     assigned_value: OnceCell<IrValueRef<'ctx>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_copyable`
[INFO] [stdout]    --> src/ir/values.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn assert_copyable<T: Copy>() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_types`
[INFO] [stdout]    --> src/ir/values.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn check_types() {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `assigned_value`
[INFO] [stdout]   --> src/ir/logic.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     assigned_value: OnceCell<IrValueRef<'ctx>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_copyable`
[INFO] [stdout]    --> src/ir/values.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn assert_copyable<T: Copy>() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_types`
[INFO] [stdout]    --> src/ir/values.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn check_types() {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.78s
[INFO] running `Command { std: "docker" "inspect" "14239c36e78fb2e88223d91e977219d513d6e913cdc09323d781fc241c156026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14239c36e78fb2e88223d91e977219d513d6e913cdc09323d781fc241c156026", kill_on_drop: false }`
[INFO] [stdout] 14239c36e78fb2e88223d91e977219d513d6e913cdc09323d781fc241c156026