[INFO] fetching crate kpea 0.2.4...
[INFO] testing kpea-0.2.4 against 1.90.0 for beta-1.91-3
[INFO] extracting crate kpea 0.2.4 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate kpea 0.2.4
[INFO] finished tweaking crates.io crate kpea 0.2.4
[INFO] tweaked toml for crates.io crate kpea 0.2.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kpea 0.2.4 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 49 packages to latest compatible versions
[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 random-dir v0.2.4
[INFO] [stderr] Downloaded normalize-path v0.2.1
[INFO] [stderr] Downloaded similar-asserts v1.7.0
[INFO] [stderr] Downloaded arbtest v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f6f3f7993937763a0bcbb268337493d2e26d319426bbb4bbca9dd2c24aa44781
[INFO] running `Command { std: "docker" "start" "-a" "f6f3f7993937763a0bcbb268337493d2e26d319426bbb4bbca9dd2c24aa44781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6f3f7993937763a0bcbb268337493d2e26d319426bbb4bbca9dd2c24aa44781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f3f7993937763a0bcbb268337493d2e26d319426bbb4bbca9dd2c24aa44781", kill_on_drop: false }`
[INFO] [stdout] f6f3f7993937763a0bcbb268337493d2e26d319426bbb4bbca9dd2c24aa44781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4256690d5fc749c5b7f4920e1c0ad69914836614b3a12f8deff5d8c2263daf82
[INFO] running `Command { std: "docker" "start" "-a" "4256690d5fc749c5b7f4920e1c0ad69914836614b3a12f8deff5d8c2263daf82", kill_on_drop: false }`
[INFO] [stderr] Compiling normalize-path v0.2.1
[INFO] [stderr] Compiling kpea v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout] --> src/metadata.rs:260:29
[INFO] [stdout] |
[INFO] [stdout] 260 | let major: u8 = unsafe { major(dev as _) }
[INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout] --> src/metadata.rs:263:29
[INFO] [stdout] |
[INFO] [stdout] 263 | let minor: u8 = unsafe { minor(dev as _) }
[INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout] --> src/metadata.rs:425:38
[INFO] [stdout] |
[INFO] [stdout] 425 | write_hex_8(writer.by_ref(), unsafe { major(self.dev as _) } as _)?;
[INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout] --> src/metadata.rs:426:38
[INFO] [stdout] |
[INFO] [stdout] 426 | write_hex_8(writer.by_ref(), unsafe { minor(self.dev as _) } as _)?;
[INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout] --> src/metadata.rs:427:38
[INFO] [stdout] |
[INFO] [stdout] 427 | write_hex_8(writer.by_ref(), unsafe { major(self.rdev as _) } as _)?;
[INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout] --> src/metadata.rs:428:38
[INFO] [stdout] |
[INFO] [stdout] 428 | write_hex_8(writer.by_ref(), unsafe { minor(self.rdev as _) } as _)?;
[INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] --> src/archive.rs:265:23
[INFO] [stdout] |
[INFO] [stdout] 265 | pub fn read_entry(&mut self) -> Result