[INFO] fetching crate uart8250 0.6.0...
[INFO] testing uart8250-0.6.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate uart8250 0.6.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate uart8250 0.6.0
[INFO] finished tweaking crates.io crate uart8250 0.6.0
[INFO] tweaked toml for crates.io crate uart8250 0.6.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uart8250 0.6.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.4)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile-register v0.2.2
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded embedded-hal v0.2.7
[INFO] [stderr]   Downloaded nb v1.1.0
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 349f9ef6579b5fc5b219dfd665d36bd71627df087b5692bbd609d997625593e4
[INFO] running `Command { std: "docker" "start" "-a" "349f9ef6579b5fc5b219dfd665d36bd71627df087b5692bbd609d997625593e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "349f9ef6579b5fc5b219dfd665d36bd71627df087b5692bbd609d997625593e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "349f9ef6579b5fc5b219dfd665d36bd71627df087b5692bbd609d997625593e4", kill_on_drop: false }`
[INFO] [stdout] 349f9ef6579b5fc5b219dfd665d36bd71627df087b5692bbd609d997625593e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3636cd05dda78c716df52e6f782a8871a5a164be3538dede4a02ce37131a881d
[INFO] running `Command { std: "docker" "start" "-a" "3636cd05dda78c716df52e6f782a8871a5a164be3538dede4a02ce37131a881d", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling uart8250 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/uart.rs:489:60
[INFO] [stdout]     |
[INFO] [stdout] 489 |             Parity::No => unsafe { self.reg.lcr.modify(|v| (v & 0b1100_0111)) },
[INFO] [stdout]     |                                                            ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 489 -             Parity::No => unsafe { self.reg.lcr.modify(|v| (v & 0b1100_0111)) },
[INFO] [stdout] 489 +             Parity::No => unsafe { self.reg.lcr.modify(|v| v & 0b1100_0111) },
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "3636cd05dda78c716df52e6f782a8871a5a164be3538dede4a02ce37131a881d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3636cd05dda78c716df52e6f782a8871a5a164be3538dede4a02ce37131a881d", kill_on_drop: false }`
[INFO] [stdout] 3636cd05dda78c716df52e6f782a8871a5a164be3538dede4a02ce37131a881d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c2ea12cf6b8110cac1a76aa527bb6c24d943e2acf0e6f19e0876d1d86509058
[INFO] running `Command { std: "docker" "start" "-a" "3c2ea12cf6b8110cac1a76aa527bb6c24d943e2acf0e6f19e0876d1d86509058", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/uart.rs:489:60
[INFO] [stdout]     |
[INFO] [stdout] 489 |             Parity::No => unsafe { self.reg.lcr.modify(|v| (v & 0b1100_0111)) },
[INFO] [stdout]     |                                                            ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 489 -             Parity::No => unsafe { self.reg.lcr.modify(|v| (v & 0b1100_0111)) },
[INFO] [stdout] 489 +             Parity::No => unsafe { self.reg.lcr.modify(|v| v & 0b1100_0111) },
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling uart8250 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/uart.rs:489:60
[INFO] [stdout]     |
[INFO] [stdout] 489 |             Parity::No => unsafe { self.reg.lcr.modify(|v| (v & 0b1100_0111)) },
[INFO] [stdout]     |                                                            ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 489 -             Parity::No => unsafe { self.reg.lcr.modify(|v| (v & 0b1100_0111)) },
[INFO] [stdout] 489 +             Parity::No => unsafe { self.reg.lcr.modify(|v| v & 0b1100_0111) },
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "3c2ea12cf6b8110cac1a76aa527bb6c24d943e2acf0e6f19e0876d1d86509058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c2ea12cf6b8110cac1a76aa527bb6c24d943e2acf0e6f19e0876d1d86509058", kill_on_drop: false }`
[INFO] [stdout] 3c2ea12cf6b8110cac1a76aa527bb6c24d943e2acf0e6f19e0876d1d86509058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69f9a51a04ac6b8ca6695f1b77ef9cf255825272b996bd633572c211c7cea441
[INFO] running `Command { std: "docker" "start" "-a" "69f9a51a04ac6b8ca6695f1b77ef9cf255825272b996bd633572c211c7cea441", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/uart.rs:489:60
[INFO] [stderr]     |
[INFO] [stderr] 489 |             Parity::No => unsafe { self.reg.lcr.modify(|v| (v & 0b1100_0111)) },
[INFO] [stderr]     |                                                            ^               ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 489 -             Parity::No => unsafe { self.reg.lcr.modify(|v| (v & 0b1100_0111)) },
[INFO] [stderr] 489 +             Parity::No => unsafe { self.reg.lcr.modify(|v| v & 0b1100_0111) },
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `uart8250` (lib) generated 1 warning (run `cargo fix --lib -p uart8250` to apply 1 suggestion)
[INFO] [stderr] warning: `uart8250` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/uart8250-803ca3f26f03e809)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test uart::tests::initialise ... ok
[INFO] [stdout] test uart::tests::write ... ok
[INFO] [stdout] test uart::tests::read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests uart8250
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/uart.rs:489:60
[INFO] [stderr]     |
[INFO] [stderr] 489 |             Parity::No => unsafe { self.reg.lcr.modify(|v| (v & 0b1100_0111)) },
[INFO] [stderr]     |                                                            ^               ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 489 -             Parity::No => unsafe { self.reg.lcr.modify(|v| (v & 0b1100_0111)) },
[INFO] [stderr] 489 +             Parity::No => unsafe { self.reg.lcr.modify(|v| v & 0b1100_0111) },
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69f9a51a04ac6b8ca6695f1b77ef9cf255825272b996bd633572c211c7cea441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f9a51a04ac6b8ca6695f1b77ef9cf255825272b996bd633572c211c7cea441", kill_on_drop: false }`
[INFO] [stdout] 69f9a51a04ac6b8ca6695f1b77ef9cf255825272b996bd633572c211c7cea441