[INFO] fetching crate rust-hdl-bsp-step-mxo2-lpc 0.1.2...
[INFO] checking rust-hdl-bsp-step-mxo2-lpc-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rust-hdl-bsp-step-mxo2-lpc 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rust-hdl-bsp-step-mxo2-lpc 0.1.2
[INFO] finished tweaking crates.io crate rust-hdl-bsp-step-mxo2-lpc 0.1.2
[INFO] tweaked toml for crates.io crate rust-hdl-bsp-step-mxo2-lpc 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-hdl-bsp-step-mxo2-lpc 0.1.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a33368fc35e176a997f1659ea73c89f4856fb928de7ba290371aeb74ae37f8c4
[INFO] running `Command { std: "docker" "start" "-a" "a33368fc35e176a997f1659ea73c89f4856fb928de7ba290371aeb74ae37f8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a33368fc35e176a997f1659ea73c89f4856fb928de7ba290371aeb74ae37f8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33368fc35e176a997f1659ea73c89f4856fb928de7ba290371aeb74ae37f8c4", kill_on_drop: false }`
[INFO] [stdout] a33368fc35e176a997f1659ea73c89f4856fb928de7ba290371aeb74ae37f8c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f75b65a61dc700337c2effefb77ea1ec44572c878c057fb7c224a61893a408c
[INFO] running `Command { std: "docker" "start" "-a" "0f75b65a61dc700337c2effefb77ea1ec44572c878c057fb7c224a61893a408c", kill_on_drop: false }`
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking evalexpr v6.6.0
[INFO] [stderr]     Checking vcd v0.6.1
[INFO] [stderr]     Checking svg v0.10.0
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]    Compiling rust-hdl-macros v0.46.0
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking rust-hdl-core v0.46.0
[INFO] [stderr]     Checking rust-hdl-widgets v0.46.0
[INFO] [stderr]     Checking rust-hdl-sim v0.46.0
[INFO] [stderr]     Checking rust-hdl-fpga-support v0.46.0
[INFO] [stderr]     Checking rust-hdl-hls v0.46.0
[INFO] [stderr]     Checking rust-hdl v0.46.0
[INFO] [stderr]     Checking rust-hdl-bsp-step-mxo2-lpc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/synth.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let dir = PathBuf::from_str(prefix).unwrap();
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-hdl-bsp-step-mxo2-lpc` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/synth.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let dir = PathBuf::from_str(prefix).unwrap();
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-hdl-bsp-step-mxo2-lpc` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0f75b65a61dc700337c2effefb77ea1ec44572c878c057fb7c224a61893a408c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f75b65a61dc700337c2effefb77ea1ec44572c878c057fb7c224a61893a408c", kill_on_drop: false }`
[INFO] [stdout] 0f75b65a61dc700337c2effefb77ea1ec44572c878c057fb7c224a61893a408c
