[INFO] cloning repository https://github.com/Zinnusl/fpga-troubles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zinnusl/fpga-troubles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZinnusl%2Ffpga-troubles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZinnusl%2Ffpga-troubles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9e1681a75d49696bbb913e8676be8c7a7b51bb6
[INFO] checking Zinnusl/fpga-troubles against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZinnusl%2Ffpga-troubles" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zinnusl/fpga-troubles on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Zinnusl/fpga-troubles
[INFO] finished tweaking git repo https://github.com/Zinnusl/fpga-troubles
[INFO] tweaked toml for git repo https://github.com/Zinnusl/fpga-troubles written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Zinnusl/fpga-troubles already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded vcd v0.6.1
[INFO] [stderr]   Downloaded embed-doc-image v0.1.4
[INFO] [stderr]   Downloaded rust-hdl-macros v0.46.0
[INFO] [stderr]   Downloaded svg v0.10.0
[INFO] [stderr]   Downloaded rust-hdl-core v0.46.0
[INFO] [stderr]   Downloaded evalexpr v6.6.0
[INFO] [stderr]   Downloaded rust-hdl-widgets v0.46.0
[INFO] [stderr]   Downloaded rust-hdl-hls v0.46.0
[INFO] [stderr]   Downloaded rust-hdl-sim v0.46.0
[INFO] [stderr]   Downloaded rust-hdl v0.46.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d880d00dab6ff8131171cbed87b0a34d8174e29867241109c6ce6621690c2fa9
[INFO] running `Command { std: "docker" "start" "-a" "d880d00dab6ff8131171cbed87b0a34d8174e29867241109c6ce6621690c2fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d880d00dab6ff8131171cbed87b0a34d8174e29867241109c6ce6621690c2fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d880d00dab6ff8131171cbed87b0a34d8174e29867241109c6ce6621690c2fa9", kill_on_drop: false }`
[INFO] [stdout] d880d00dab6ff8131171cbed87b0a34d8174e29867241109c6ce6621690c2fa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99210275078b8fdef47166fc247b17df44b84284856efb9468a4588f0ea5ddf7
[INFO] running `Command { std: "docker" "start" "-a" "99210275078b8fdef47166fc247b17df44b84284856efb9468a4588f0ea5ddf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking evalexpr v6.6.0
[INFO] [stderr]     Checking svg v0.10.0
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking vcd v0.6.1
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[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
[INFO] [stderr]     Checking rust-hdl-widgets v0.46.0
[INFO] [stderr]     Checking rust-hdl-hls v0.46.0
[INFO] [stderr]     Checking rust-hdl-sim v0.46.0
[INFO] [stderr]     Checking rust-hdl v0.46.0
[INFO] [stderr]     Checking fpga-troubles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.18s
[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 3`
[INFO] running `Command { std: "docker" "inspect" "99210275078b8fdef47166fc247b17df44b84284856efb9468a4588f0ea5ddf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99210275078b8fdef47166fc247b17df44b84284856efb9468a4588f0ea5ddf7", kill_on_drop: false }`
[INFO] [stdout] 99210275078b8fdef47166fc247b17df44b84284856efb9468a4588f0ea5ddf7