[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] 7c1de7a6a5de48272c6a614128ee5144e28cf592
[INFO] testing programmerjake/rust-hdl against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogrammerjake%2Frust-hdl" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/programmerjake/rust-hdl on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-4/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20671f82ac74c8f4035f4bfe9816a9125e4d859da344431dacc59845a09772d0
[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" "20671f82ac74c8f4035f4bfe9816a9125e4d859da344431dacc59845a09772d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20671f82ac74c8f4035f4bfe9816a9125e4d859da344431dacc59845a09772d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20671f82ac74c8f4035f4bfe9816a9125e4d859da344431dacc59845a09772d0", kill_on_drop: false }`
[INFO] [stdout] 20671f82ac74c8f4035f4bfe9816a9125e4d859da344431dacc59845a09772d0
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e4b494afe4056eaa11abe80abc8de058db4a2861f5412d99b50c59f7a1e3db2
[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" "7e4b494afe4056eaa11abe80abc8de058db4a2861f5412d99b50c59f7a1e3db2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling typed-arena v2.0.1
[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]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling rust-hdl-int v0.1.0 (/opt/rustwide/workdir/rust-hdl-int)
[INFO] [stderr]    Compiling rust-hdl-macros v0.1.0 (/opt/rustwide/workdir/rust-hdl-macros)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]     --> rust-hdl-macros/src/lib.rs:1676:9
[INFO] [stdout]      |
[INFO] [stdout] 45   |           return Err(make_todo_error($tokens, None))
[INFO] [stdout]      |           ------------------------------------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 1676 | /         Ok(quote_spanned! {match_token.span=>
[INFO] [stdout] 1677 | |             {
[INFO] [stdout] 1678 | |                 let __expr = #expr;
[INFO] [stdout] 1679 | |                 #crate_path::values::LazyVal::from_fn(|__ctx: #crate_path::context::ContextRef<'_>| {
[INFO] [stdout] ...    |
[INFO] [stdout] 1683 | |             }
[INFO] [stdout] 1684 | |         })
[INFO] [stdout]      | |__________^ unreachable expression
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crate_path`
[INFO] [stdout]     --> rust-hdl-macros/src/lib.rs:1665:13
[INFO] [stdout]      |
[INFO] [stdout] 1665 |         let crate_path = &self.crate_path;
[INFO] [stdout]      |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_crate_path`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `brace_token`
[INFO] [stdout]     --> rust-hdl-macros/src/lib.rs:1670:13
[INFO] [stdout]      |
[INFO] [stdout] 1670 |             brace_token,
[INFO] [stdout]      |             ^^^^^^^^^^^ help: try ignoring the field: `brace_token: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arms`
[INFO] [stdout]     --> rust-hdl-macros/src/lib.rs:1671:13
[INFO] [stdout]      |
[INFO] [stdout] 1671 |             arms,
[INFO] [stdout]      |             ^^^^ help: try ignoring the field: `arms: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]     --> rust-hdl-macros/src/lib.rs:1674:13
[INFO] [stdout]      |
[INFO] [stdout] 1674 |         let expr = self.expr(*expr)?;
[INFO] [stdout]      |             ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-hdl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.64s
[INFO] running `Command { std: "docker" "inspect" "7e4b494afe4056eaa11abe80abc8de058db4a2861f5412d99b50c59f7a1e3db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e4b494afe4056eaa11abe80abc8de058db4a2861f5412d99b50c59f7a1e3db2", kill_on_drop: false }`
[INFO] [stdout] 7e4b494afe4056eaa11abe80abc8de058db4a2861f5412d99b50c59f7a1e3db2
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e37f9cd7fa6fc734997ccc477c1905f014a6385d52febc6671f02f2163fe8a94
[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" "e37f9cd7fa6fc734997ccc477c1905f014a6385d52febc6671f02f2163fe8a94", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/tmp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   File exists (os error 17)
[INFO] running `Command { std: "docker" "inspect" "e37f9cd7fa6fc734997ccc477c1905f014a6385d52febc6671f02f2163fe8a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37f9cd7fa6fc734997ccc477c1905f014a6385d52febc6671f02f2163fe8a94", kill_on_drop: false }`
[INFO] [stdout] e37f9cd7fa6fc734997ccc477c1905f014a6385d52febc6671f02f2163fe8a94