[INFO] fetching crate loopdev-erikh 0.5.0...
[INFO] testing loopdev-erikh-0.5.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate loopdev-erikh 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate loopdev-erikh 0.5.0
[INFO] finished tweaking crates.io crate loopdev-erikh 0.5.0
[INFO] tweaked toml for crates.io crate loopdev-erikh 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate loopdev-erikh 0.5.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.63.0 (available: v0.72.1)
[INFO] [stderr]       Adding errno v0.2.8 (available: v0.3.13)
[INFO] [stderr]       Adding gpt v3.1.0 (available: v4.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gpt v3.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fcafaef0ba5a37170df97e35a175981f910ea90cc890a2d743672077c40739f
[INFO] running `Command { std: "docker" "start" "-a" "2fcafaef0ba5a37170df97e35a175981f910ea90cc890a2d743672077c40739f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fcafaef0ba5a37170df97e35a175981f910ea90cc890a2d743672077c40739f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fcafaef0ba5a37170df97e35a175981f910ea90cc890a2d743672077c40739f", kill_on_drop: false }`
[INFO] [stdout] 2fcafaef0ba5a37170df97e35a175981f910ea90cc890a2d743672077c40739f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ddca729549790428d5be32ade0ee0341f748f26d0f5372e2a536cfc0718acee
[INFO] running `Command { std: "docker" "start" "-a" "2ddca729549790428d5be32ade0ee0341f748f26d0f5372e2a536cfc0718acee", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling bindgen v0.63.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling loopdev-erikh v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:305:22
[INFO] [stdout]     |
[INFO] [stdout] 305 |             .map(|m| unsafe { libc::major(m.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/lib.rs:319:22
[INFO] [stdout]     |
[INFO] [stdout] 319 |             .map(|m| unsafe { libc::minor(m.rdev()) })
[INFO] [stdout]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.47s
[INFO] running `Command { std: "docker" "inspect" "2ddca729549790428d5be32ade0ee0341f748f26d0f5372e2a536cfc0718acee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ddca729549790428d5be32ade0ee0341f748f26d0f5372e2a536cfc0718acee", kill_on_drop: false }`
[INFO] [stdout] 2ddca729549790428d5be32ade0ee0341f748f26d0f5372e2a536cfc0718acee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b1d970a056dbadf104d67a6859371a90ee5dd5736e7e71b72df208385f9ddca
[INFO] running `Command { std: "docker" "start" "-a" "4b1d970a056dbadf104d67a6859371a90ee5dd5736e7e71b72df208385f9ddca", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling uuid v1.18.0
[INFO] [stderr]    Compiling tempfile v3.21.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling bindgen v0.63.0
[INFO] [stderr]    Compiling gpt v3.1.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling loopdev-erikh v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:305:22
[INFO] [stdout]     |
[INFO] [stdout] 305 |             .map(|m| unsafe { libc::major(m.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/lib.rs:319:22
[INFO] [stdout]     |
[INFO] [stdout] 319 |             .map(|m| unsafe { libc::minor(m.rdev()) })
[INFO] [stdout]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:305:22
[INFO] [stdout]     |
[INFO] [stdout] 305 |             .map(|m| unsafe { libc::major(m.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/lib.rs:319:22
[INFO] [stdout]     |
[INFO] [stdout] 319 |             .map(|m| unsafe { libc::minor(m.rdev()) })
[INFO] [stdout]     |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `loopdev`
[INFO] [stdout]  --> tests/integration_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use loopdev::{LoopControl, LoopDevice};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `loopdev`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `loopdev`, use `cargo add loopdev` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `loopdev-erikh` (test "integration_test") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4b1d970a056dbadf104d67a6859371a90ee5dd5736e7e71b72df208385f9ddca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b1d970a056dbadf104d67a6859371a90ee5dd5736e7e71b72df208385f9ddca", kill_on_drop: false }`
[INFO] [stdout] 4b1d970a056dbadf104d67a6859371a90ee5dd5736e7e71b72df208385f9ddca