[INFO] fetching crate rd-util 2.2.5...
[INFO] building rd-util-2.2.5 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rd-util 2.2.5 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rd-util 2.2.5 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 201 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.48)
[INFO] [stderr]       Adding console v0.15.11 (available: v0.16.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rustbus v0.17.0 (available: v0.19.3)
[INFO] [stderr]       Adding sysinfo v0.30.13 (available: v0.37.1)
[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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vergen v7.5.1
[INFO] [stderr]   Downloaded partition-identity v0.3.0
[INFO] [stderr]   Downloaded ctrlc v3.5.0
[INFO] [stderr]   Downloaded proc-mounts v0.3.0
[INFO] [stderr]   Downloaded rustbus_derive v0.4.0
[INFO] [stderr]   Downloaded git2 v0.16.1
[INFO] [stderr]   Downloaded rustbus v0.17.0
[INFO] [stderr]   Downloaded sysinfo v0.27.8
[INFO] [stderr]   Downloaded libgit2-sys v0.14.2+1.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2788958fa1a6add70576f507f13a3568e5a1b75bbd0d01b8bcf7aa7ebc95e1db
[INFO] running `Command { std: "docker" "start" "-a" "2788958fa1a6add70576f507f13a3568e5a1b75bbd0d01b8bcf7aa7ebc95e1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2788958fa1a6add70576f507f13a3568e5a1b75bbd0d01b8bcf7aa7ebc95e1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2788958fa1a6add70576f507f13a3568e5a1b75bbd0d01b8bcf7aa7ebc95e1db", kill_on_drop: false }`
[INFO] [stdout] 2788958fa1a6add70576f507f13a3568e5a1b75bbd0d01b8bcf7aa7ebc95e1db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e7a9d668f4a49d3c7d68742de7c09a89365a0ca700141cdb13640500fa724ad
[INFO] running `Command { std: "docker" "start" "-a" "8e7a9d668f4a49d3c7d68742de7c09a89365a0ca700141cdb13640500fa724ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling enum-iterator-derive v1.5.0
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling sysinfo v0.27.8
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-bigint v0.4.6
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[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling nix v0.22.3
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[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling partition-identity v0.3.0
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[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling proc-mounts v0.3.0
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[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling sysinfo v0.30.13
[INFO] [stderr]    Compiling ctrlc v3.5.0
[INFO] [stderr]    Compiling enum-iterator v1.5.0
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[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling libgit2-sys v0.14.2+1.5.1
[INFO] [stderr]    Compiling rustbus_derive v0.4.0
[INFO] [stderr]    Compiling simplelog v0.12.2
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling vergen v7.5.1
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling rustbus v0.17.0
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling git2 v0.16.1
[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)]` (part of `#[warn(unused)]`) 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 34.53s
[INFO] running `Command { std: "docker" "inspect" "8e7a9d668f4a49d3c7d68742de7c09a89365a0ca700141cdb13640500fa724ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e7a9d668f4a49d3c7d68742de7c09a89365a0ca700141cdb13640500fa724ad", kill_on_drop: false }`
[INFO] [stdout] 8e7a9d668f4a49d3c7d68742de7c09a89365a0ca700141cdb13640500fa724ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d0f271c9762738ff11c89c068111423d1ab7d5be07ea2f815af45d359358106
[INFO] running `Command { std: "docker" "start" "-a" "6d0f271c9762738ff11c89c068111423d1ab7d5be07ea2f815af45d359358106", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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]    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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "6d0f271c9762738ff11c89c068111423d1ab7d5be07ea2f815af45d359358106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d0f271c9762738ff11c89c068111423d1ab7d5be07ea2f815af45d359358106", kill_on_drop: false }`
[INFO] [stdout] 6d0f271c9762738ff11c89c068111423d1ab7d5be07ea2f815af45d359358106