[INFO] fetching crate easy-ffi-wrapper 0.1.1...
[INFO] testing easy-ffi-wrapper-0.1.1 against nightly-2024-10-28 for randomize-layout
[INFO] extracting crate easy-ffi-wrapper 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate easy-ffi-wrapper 0.1.1 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate easy-ffi-wrapper 0.1.1
[INFO] finished tweaking crates.io crate easy-ffi-wrapper 0.1.1
[INFO] tweaked toml for crates.io crate easy-ffi-wrapper 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cef23944f80b224ac6663916fb0fe94d06427580322d8353f968dcb5c3536c29
[INFO] running `Command { std: "docker" "start" "-a" "cef23944f80b224ac6663916fb0fe94d06427580322d8353f968dcb5c3536c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cef23944f80b224ac6663916fb0fe94d06427580322d8353f968dcb5c3536c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef23944f80b224ac6663916fb0fe94d06427580322d8353f968dcb5c3536c29", kill_on_drop: false }`
[INFO] [stdout] cef23944f80b224ac6663916fb0fe94d06427580322d8353f968dcb5c3536c29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee1bb7c8def75b7d2af6efc04e231c94b68be373a32c7189022eba9da57e27eb
[INFO] running `Command { std: "docker" "start" "-a" "ee1bb7c8def75b7d2af6efc04e231c94b68be373a32c7189022eba9da57e27eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-ffi-wrapper v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "ee1bb7c8def75b7d2af6efc04e231c94b68be373a32c7189022eba9da57e27eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1bb7c8def75b7d2af6efc04e231c94b68be373a32c7189022eba9da57e27eb", kill_on_drop: false }`
[INFO] [stdout] ee1bb7c8def75b7d2af6efc04e231c94b68be373a32c7189022eba9da57e27eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e9a6700d98be9f566e518432ac78f71ef2234fe47e89850f7a80883596e0f31
[INFO] running `Command { std: "docker" "start" "-a" "3e9a6700d98be9f566e518432ac78f71ef2234fe47e89850f7a80883596e0f31", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-ffi-wrapper v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/lib.rs:634:9
[INFO] [stdout]     |
[INFO] [stdout] 634 |         format!("{:?}", A::new());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout] 2   | #![deny(warnings, missing_debug_implementations, missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout]     = note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `easy-ffi-wrapper` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3e9a6700d98be9f566e518432ac78f71ef2234fe47e89850f7a80883596e0f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e9a6700d98be9f566e518432ac78f71ef2234fe47e89850f7a80883596e0f31", kill_on_drop: false }`
[INFO] [stdout] 3e9a6700d98be9f566e518432ac78f71ef2234fe47e89850f7a80883596e0f31
