[INFO] fetching crate uart8250 0.6.0...
[INFO] testing uart8250-0.6.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate uart8250 0.6.0 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uart8250 0.6.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile-register v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c13930a0b7352d0804928b311e512bbf2c9a17802a74fb64509a7c307a9e8951
[INFO] running `Command { std: "docker" "start" "-a" "c13930a0b7352d0804928b311e512bbf2c9a17802a74fb64509a7c307a9e8951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c13930a0b7352d0804928b311e512bbf2c9a17802a74fb64509a7c307a9e8951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13930a0b7352d0804928b311e512bbf2c9a17802a74fb64509a7c307a9e8951", kill_on_drop: false }`
[INFO] [stdout] c13930a0b7352d0804928b311e512bbf2c9a17802a74fb64509a7c307a9e8951
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da94a38513848235c47127e24f6ac3ec5254c5bb0af52abbd4f4422cbac77336
[INFO] running `Command { std: "docker" "start" "-a" "da94a38513848235c47127e24f6ac3ec5254c5bb0af52abbd4f4422cbac77336", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcell v0.1.3
[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)]` (part of `#[warn(unused)]`) 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 0.67s
[INFO] running `Command { std: "docker" "inspect" "da94a38513848235c47127e24f6ac3ec5254c5bb0af52abbd4f4422cbac77336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da94a38513848235c47127e24f6ac3ec5254c5bb0af52abbd4f4422cbac77336", kill_on_drop: false }`
[INFO] [stdout] da94a38513848235c47127e24f6ac3ec5254c5bb0af52abbd4f4422cbac77336
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acbe8aae4b2c66ec3320575d52b82b1fb64c9fe9231647800a88863db11616eb
[INFO] running `Command { std: "docker" "start" "-a" "acbe8aae4b2c66ec3320575d52b82b1fb64c9fe9231647800a88863db11616eb", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 0.37s
[INFO] running `Command { std: "docker" "inspect" "acbe8aae4b2c66ec3320575d52b82b1fb64c9fe9231647800a88863db11616eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbe8aae4b2c66ec3320575d52b82b1fb64c9fe9231647800a88863db11616eb", kill_on_drop: false }`
[INFO] [stdout] acbe8aae4b2c66ec3320575d52b82b1fb64c9fe9231647800a88863db11616eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80effe18d31b2d4d6c650f13984b942d2f60f9fc1ba161999291c00eaf30d0c7
[INFO] running `Command { std: "docker" "start" "-a" "80effe18d31b2d4d6c650f13984b942d2f60f9fc1ba161999291c00eaf30d0c7", 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)]` (part of `#[warn(unused)]`) 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 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/uart8250-a001a2dc61623baf)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test uart::tests::write ... ok
[INFO] [stdout] test uart::tests::read ... ok
[INFO] [stdout] test uart::tests::initialise ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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)]` (part of `#[warn(unused)]`) 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" "80effe18d31b2d4d6c650f13984b942d2f60f9fc1ba161999291c00eaf30d0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80effe18d31b2d4d6c650f13984b942d2f60f9fc1ba161999291c00eaf30d0c7", kill_on_drop: false }`
[INFO] [stdout] 80effe18d31b2d4d6c650f13984b942d2f60f9fc1ba161999291c00eaf30d0c7