[INFO] fetching crate loopdev-erikh 0.5.0...
[INFO] testing loopdev-erikh-0.5.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate loopdev-erikh 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate loopdev-erikh 0.5.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 65 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.63.0 (available: v0.72.1)
[INFO] [stderr]       Adding errno v0.2.8 (available: v0.3.14)
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b30531800cf32d2b4db886cf7dd5d43a474dd94040496e5a5a26b11933e0762
[INFO] running `Command { std: "docker" "start" "-a" "6b30531800cf32d2b4db886cf7dd5d43a474dd94040496e5a5a26b11933e0762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b30531800cf32d2b4db886cf7dd5d43a474dd94040496e5a5a26b11933e0762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b30531800cf32d2b4db886cf7dd5d43a474dd94040496e5a5a26b11933e0762", kill_on_drop: false }`
[INFO] [stdout] 6b30531800cf32d2b4db886cf7dd5d43a474dd94040496e5a5a26b11933e0762
[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=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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8b9fda48e28f73c54fd45729e6459e8848584900c55363acc6177eba2c00008
[INFO] running `Command { std: "docker" "start" "-a" "e8b9fda48e28f73c54fd45729e6459e8848584900c55363acc6177eba2c00008", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling bindgen v0.63.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling regex v1.11.3
[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)]` 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 12.90s
[INFO] running `Command { std: "docker" "inspect" "e8b9fda48e28f73c54fd45729e6459e8848584900c55363acc6177eba2c00008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b9fda48e28f73c54fd45729e6459e8848584900c55363acc6177eba2c00008", kill_on_drop: false }`
[INFO] [stdout] e8b9fda48e28f73c54fd45729e6459e8848584900c55363acc6177eba2c00008
[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=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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3867b0dc7abfdbdab6e9c70a7174c5cb38f88fefa8907e935d0551a4d6d66b1
[INFO] running `Command { std: "docker" "start" "-a" "d3867b0dc7abfdbdab6e9c70a7174c5cb38f88fefa8907e935d0551a4d6d66b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling gpt v3.1.0
[INFO] [stderr]    Compiling bindgen v0.63.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[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)]` 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)]` 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" "d3867b0dc7abfdbdab6e9c70a7174c5cb38f88fefa8907e935d0551a4d6d66b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3867b0dc7abfdbdab6e9c70a7174c5cb38f88fefa8907e935d0551a4d6d66b1", kill_on_drop: false }`
[INFO] [stdout] d3867b0dc7abfdbdab6e9c70a7174c5cb38f88fefa8907e935d0551a4d6d66b1