[INFO] cloning repository https://github.com/Hotz99/linux_kernel_module
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hotz99/linux_kernel_module" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHotz99%2Flinux_kernel_module", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHotz99%2Flinux_kernel_module'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f6e9b0b0bbf10d55b068af388ea4ff55290e1fe
[INFO] building Hotz99/linux_kernel_module against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHotz99%2Flinux_kernel_module" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hotz99/linux_kernel_module on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hotz99/linux_kernel_module
[INFO] finished tweaking git repo https://github.com/Hotz99/linux_kernel_module
[INFO] tweaked toml for git repo https://github.com/Hotz99/linux_kernel_module written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest Rust 1.85.0-nightly compatible versions
[INFO] [stderr]       Adding sysinfo v0.30.13 (available: v0.33.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d524de011e62e76b75aaf7a2ad9c4e0e14f12cd95eedc5f45503973f1e2954b8
[INFO] running `Command { std: "docker" "start" "-a" "d524de011e62e76b75aaf7a2ad9c4e0e14f12cd95eedc5f45503973f1e2954b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d524de011e62e76b75aaf7a2ad9c4e0e14f12cd95eedc5f45503973f1e2954b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d524de011e62e76b75aaf7a2ad9c4e0e14f12cd95eedc5f45503973f1e2954b8", kill_on_drop: false }`
[INFO] [stdout] d524de011e62e76b75aaf7a2ad9c4e0e14f12cd95eedc5f45503973f1e2954b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edb895846957cef43326191a4733fe7c2f7369680a135a132f3eb97e1dd4c441
[INFO] running `Command { std: "docker" "start" "-a" "edb895846957cef43326191a4733fe7c2f7369680a135a132f3eb97e1dd4c441", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling sysinfo v0.30.13
[INFO] [stderr]    Compiling linux_kernel_module v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `RPMArgs` is never constructed
[INFO] [stdout]   --> src/communication.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct RPMArgs {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WPMArgs` is never constructed
[INFO] [stdout]   --> src/communication.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct WPMArgs {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "edb895846957cef43326191a4733fe7c2f7369680a135a132f3eb97e1dd4c441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb895846957cef43326191a4733fe7c2f7369680a135a132f3eb97e1dd4c441", kill_on_drop: false }`
[INFO] [stdout] edb895846957cef43326191a4733fe7c2f7369680a135a132f3eb97e1dd4c441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 709c86a78bfedcd041a70f5613c138c0f0cc7deed64104925e9de083818ba80a
[INFO] running `Command { std: "docker" "start" "-a" "709c86a78bfedcd041a70f5613c138c0f0cc7deed64104925e9de083818ba80a", kill_on_drop: false }`
[INFO] [stderr]    Compiling linux_kernel_module v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `RPMArgs` is never constructed
[INFO] [stdout]   --> src/communication.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct RPMArgs {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WPMArgs` is never constructed
[INFO] [stdout]   --> src/communication.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct WPMArgs {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "709c86a78bfedcd041a70f5613c138c0f0cc7deed64104925e9de083818ba80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "709c86a78bfedcd041a70f5613c138c0f0cc7deed64104925e9de083818ba80a", kill_on_drop: false }`
[INFO] [stdout] 709c86a78bfedcd041a70f5613c138c0f0cc7deed64104925e9de083818ba80a