[INFO] fetching crate rd-util 2.2.5...
[INFO] checking rd-util-2.2.5 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate rd-util 2.2.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rd-util 2.2.5
[INFO] finished tweaking crates.io crate rd-util 2.2.5
[INFO] tweaked toml for crates.io crate rd-util 2.2.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rd-util 2.2.5 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 187 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.40)
[INFO] [stderr]       Adding console v0.15.11 (available: v0.16.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] [stderr]       Adding rustbus v0.17.0 (available: v0.19.3)
[INFO] [stderr]       Adding sysinfo v0.30.13 (available: v0.35.2)
[INFO] [stderr]       Adding vergen v7.5.1 (available: v9.0.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 379a252642b3d19ef2fa6ee3bdc4ce86e1d1f44d7bec7a772ca8597363859671
[INFO] running `Command { std: "docker" "start" "-a" "379a252642b3d19ef2fa6ee3bdc4ce86e1d1f44d7bec7a772ca8597363859671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "379a252642b3d19ef2fa6ee3bdc4ce86e1d1f44d7bec7a772ca8597363859671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379a252642b3d19ef2fa6ee3bdc4ce86e1d1f44d7bec7a772ca8597363859671", kill_on_drop: false }`
[INFO] [stdout] 379a252642b3d19ef2fa6ee3bdc4ce86e1d1f44d7bec7a772ca8597363859671
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77aa61f1130f4dc44e9310172a33f0d3287c9784ba2fbbc4b836fde73311407a
[INFO] running `Command { std: "docker" "start" "-a" "77aa61f1130f4dc44e9310172a33f0d3287c9784ba2fbbc4b836fde73311407a", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
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[INFO] [stderr]    Compiling libc v0.2.174
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[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling powerfmt v0.2.0
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[INFO] [stderr]    Compiling icu_collections v2.0.0
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[INFO] [stderr]     Checking serde_json v1.0.140
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[INFO] [stderr]    Compiling rd-util v2.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/storage_info.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     Ok((unsafe { libc::major(rdev) }, unsafe { libc::minor(rdev) }))
[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/storage_info.rs:102:39
[INFO] [stdout]     |
[INFO] [stdout] 102 |     Ok((unsafe { libc::major(rdev) }, unsafe { libc::minor(rdev) }))
[INFO] [stdout]     |                                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/storage_info.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     Ok((unsafe { libc::major(rdev) }, unsafe { libc::minor(rdev) }))
[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/storage_info.rs:102:39
[INFO] [stdout]     |
[INFO] [stdout] 102 |     Ok((unsafe { libc::major(rdev) }, unsafe { libc::minor(rdev) }))
[INFO] [stdout]     |                                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.75s
[INFO] running `Command { std: "docker" "inspect" "77aa61f1130f4dc44e9310172a33f0d3287c9784ba2fbbc4b836fde73311407a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77aa61f1130f4dc44e9310172a33f0d3287c9784ba2fbbc4b836fde73311407a", kill_on_drop: false }`
[INFO] [stdout] 77aa61f1130f4dc44e9310172a33f0d3287c9784ba2fbbc4b836fde73311407a