[INFO] cloning repository https://github.com/Maccraft123/cargo-mkinitrd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Maccraft123/cargo-mkinitrd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaccraft123%2Fcargo-mkinitrd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaccraft123%2Fcargo-mkinitrd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8faaebeb12363a8ee20367d6269f3c8172b4c8f0
[INFO] checking Maccraft123/cargo-mkinitrd against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaccraft123%2Fcargo-mkinitrd" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Maccraft123/cargo-mkinitrd
[INFO] finished tweaking git repo https://github.com/Maccraft123/cargo-mkinitrd
[INFO] tweaked toml for git repo https://github.com/Maccraft123/cargo-mkinitrd written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Maccraft123/cargo-mkinitrd on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Maccraft123/cargo-mkinitrd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 94cc5f07880b7139c4f1be6bc828e2edd8760f8fbd6e2833a6b11a0d8e1a94a4
[INFO] running `Command { std: "docker" "start" "94cc5f07880b7139c4f1be6bc828e2edd8760f8fbd6e2833a6b11a0d8e1a94a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94cc5f07880b7139c4f1be6bc828e2edd8760f8fbd6e2833a6b11a0d8e1a94a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "94cc5f07880b7139c4f1be6bc828e2edd8760f8fbd6e2833a6b11a0d8e1a94a4" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94cc5f07880b7139c4f1be6bc828e2edd8760f8fbd6e2833a6b11a0d8e1a94a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "94cc5f07880b7139c4f1be6bc828e2edd8760f8fbd6e2833a6b11a0d8e1a94a4" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking nix v0.25.0
[INFO] [stderr]     Checking cargo-mkinitrd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     drop(cpio_stdin);
[INFO] [stdout]    |     ^^^^^----------^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          argument has type `&mut ChildStdin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 50 -     drop(cpio_stdin);
[INFO] [stdout] 50 +     let _ = cpio_stdin;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     drop(cpio_stdin);
[INFO] [stdout]    |     ^^^^^----------^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          argument has type `&mut ChildStdin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 50 -     drop(cpio_stdin);
[INFO] [stdout] 50 +     let _ = cpio_stdin;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "94cc5f07880b7139c4f1be6bc828e2edd8760f8fbd6e2833a6b11a0d8e1a94a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94cc5f07880b7139c4f1be6bc828e2edd8760f8fbd6e2833a6b11a0d8e1a94a4", kill_on_drop: false }`
[INFO] [stdout] 94cc5f07880b7139c4f1be6bc828e2edd8760f8fbd6e2833a6b11a0d8e1a94a4
