[INFO] fetching crate uart8250 0.6.0...
[INFO] building uart8250-0.6.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate uart8250 0.6.0 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uart8250 0.6.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a990356802a1079dc0710fc67b3e254004fb8f19674e4e6540b581aa590b826
[INFO] running `Command { std: "docker" "start" "-a" "3a990356802a1079dc0710fc67b3e254004fb8f19674e4e6540b581aa590b826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a990356802a1079dc0710fc67b3e254004fb8f19674e4e6540b581aa590b826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a990356802a1079dc0710fc67b3e254004fb8f19674e4e6540b581aa590b826", kill_on_drop: false }`
[INFO] [stdout] 3a990356802a1079dc0710fc67b3e254004fb8f19674e4e6540b581aa590b826
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbbf77884b282510d80514522fbaff1818dbc55301294c966177af1107a213b7
[INFO] running `Command { std: "docker" "start" "-a" "cbbf77884b282510d80514522fbaff1818dbc55301294c966177af1107a213b7", 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 0.57s
[INFO] running `Command { std: "docker" "inspect" "cbbf77884b282510d80514522fbaff1818dbc55301294c966177af1107a213b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbbf77884b282510d80514522fbaff1818dbc55301294c966177af1107a213b7", kill_on_drop: false }`
[INFO] [stdout] cbbf77884b282510d80514522fbaff1818dbc55301294c966177af1107a213b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb4c8e46502e788bdba1b75a6ccaa613f1d15d1d127b015022d51b4dd9e5e4a4
[INFO] running `Command { std: "docker" "start" "-a" "cb4c8e46502e788bdba1b75a6ccaa613f1d15d1d127b015022d51b4dd9e5e4a4", 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 1.03s
[INFO] running `Command { std: "docker" "inspect" "cb4c8e46502e788bdba1b75a6ccaa613f1d15d1d127b015022d51b4dd9e5e4a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4c8e46502e788bdba1b75a6ccaa613f1d15d1d127b015022d51b4dd9e5e4a4", kill_on_drop: false }`
[INFO] [stdout] cb4c8e46502e788bdba1b75a6ccaa613f1d15d1d127b015022d51b4dd9e5e4a4