[INFO] fetching crate uart_xilinx 0.2.0...
[INFO] building uart_xilinx-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate uart_xilinx 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate uart_xilinx 0.2.0
[INFO] finished tweaking crates.io crate uart_xilinx 0.2.0
[INFO] tweaked toml for crates.io crate uart_xilinx 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uart_xilinx 0.2.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2624cf8d73c94ab4fc7e7fe86936942f1316e6b2f2622e76ae5140e384d07c1b
[INFO] running `Command { std: "docker" "start" "-a" "2624cf8d73c94ab4fc7e7fe86936942f1316e6b2f2622e76ae5140e384d07c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2624cf8d73c94ab4fc7e7fe86936942f1316e6b2f2622e76ae5140e384d07c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2624cf8d73c94ab4fc7e7fe86936942f1316e6b2f2622e76ae5140e384d07c1b", kill_on_drop: false }`
[INFO] [stdout] 2624cf8d73c94ab4fc7e7fe86936942f1316e6b2f2622e76ae5140e384d07c1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2373f8fb22a555dbfc3cd4a720783c543dec67c9f6a474d06452f73eb35db583
[INFO] running `Command { std: "docker" "start" "-a" "2373f8fb22a555dbfc3cd4a720783c543dec67c9f6a474d06452f73eb35db583", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling uart_xilinx v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/uart_16550/uart.rs:414:62
[INFO] [stdout]     |
[INFO] [stdout] 414 |             Parity::No => unsafe { self.reg.rw[3].modify(|v| (v & 0b1100_0111)) },
[INFO] [stdout]     |                                                              ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 414 -             Parity::No => unsafe { self.reg.rw[3].modify(|v| (v & 0b1100_0111)) },
[INFO] [stdout] 414 +             Parity::No => unsafe { self.reg.rw[3].modify(|v| v & 0b1100_0111) },
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "2373f8fb22a555dbfc3cd4a720783c543dec67c9f6a474d06452f73eb35db583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2373f8fb22a555dbfc3cd4a720783c543dec67c9f6a474d06452f73eb35db583", kill_on_drop: false }`
[INFO] [stdout] 2373f8fb22a555dbfc3cd4a720783c543dec67c9f6a474d06452f73eb35db583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bb4580b2483b55e49612aa8b75b2b8390611affb4310e4c54a537d08e0e627a
[INFO] running `Command { std: "docker" "start" "-a" "8bb4580b2483b55e49612aa8b75b2b8390611affb4310e4c54a537d08e0e627a", kill_on_drop: false }`
[INFO] [stderr]    Compiling uart_xilinx v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/uart_16550/uart.rs:414:62
[INFO] [stdout]     |
[INFO] [stdout] 414 |             Parity::No => unsafe { self.reg.rw[3].modify(|v| (v & 0b1100_0111)) },
[INFO] [stdout]     |                                                              ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 414 -             Parity::No => unsafe { self.reg.rw[3].modify(|v| (v & 0b1100_0111)) },
[INFO] [stdout] 414 +             Parity::No => unsafe { self.reg.rw[3].modify(|v| v & 0b1100_0111) },
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/uart_16550/uart.rs:414:62
[INFO] [stdout]     |
[INFO] [stdout] 414 |             Parity::No => unsafe { self.reg.rw[3].modify(|v| (v & 0b1100_0111)) },
[INFO] [stdout]     |                                                              ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 414 -             Parity::No => unsafe { self.reg.rw[3].modify(|v| (v & 0b1100_0111)) },
[INFO] [stdout] 414 +             Parity::No => unsafe { self.reg.rw[3].modify(|v| v & 0b1100_0111) },
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "8bb4580b2483b55e49612aa8b75b2b8390611affb4310e4c54a537d08e0e627a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb4580b2483b55e49612aa8b75b2b8390611affb4310e4c54a537d08e0e627a", kill_on_drop: false }`
[INFO] [stdout] 8bb4580b2483b55e49612aa8b75b2b8390611affb4310e4c54a537d08e0e627a