[INFO] fetching crate aha-wit-bindgen-gen-core 0.2.0...
[INFO] checking aha-wit-bindgen-gen-core-0.2.0 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate aha-wit-bindgen-gen-core 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate aha-wit-bindgen-gen-core 0.2.0 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aha-wit-bindgen-gen-core 0.2.0
[INFO] finished tweaking crates.io crate aha-wit-bindgen-gen-core 0.2.0
[INFO] tweaked toml for crates.io crate aha-wit-bindgen-gen-core 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding pulldown-cmark v0.8.0 (available: v0.12.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfb2bf9268f3bdab188b99692136eaa7030ad755cd533d85479b0102abc877e5
[INFO] running `Command { std: "docker" "start" "-a" "bfb2bf9268f3bdab188b99692136eaa7030ad755cd533d85479b0102abc877e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfb2bf9268f3bdab188b99692136eaa7030ad755cd533d85479b0102abc877e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb2bf9268f3bdab188b99692136eaa7030ad755cd533d85479b0102abc877e5", kill_on_drop: false }`
[INFO] [stdout] bfb2bf9268f3bdab188b99692136eaa7030ad755cd533d85479b0102abc877e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b8d8d6a224ee5c13e6635655394b8ea83f13330ba5d211b6ce8759edf1d1918
[INFO] running `Command { std: "docker" "start" "-a" "4b8d8d6a224ee5c13e6635655394b8ea83f13330ba5d211b6ce8759edf1d1918", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking unicode-xid v0.2.6
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking aha-wit-parser v0.2.0
[INFO] [stderr]     Checking aha-wit-bindgen-gen-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         drop((imports, exports));
[INFO] [stdout]    |         ^^^^^------------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&[aha_wit_parser::Interface], &[aha_wit_parser::Interface])`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 44 -         drop((imports, exports));
[INFO] [stdout] 44 +         let _ = (imports, exports);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         drop((iface, dir));
[INFO] [stdout]    |         ^^^^^------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&aha_wit_parser::Interface, Direction)`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 48 -         drop((iface, dir));
[INFO] [stdout] 48 +         let _ = (iface, dir);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         drop((iface, dir));
[INFO] [stdout]    |         ^^^^^------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&aha_wit_parser::Interface, Direction)`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 93 -         drop((iface, dir));
[INFO] [stdout] 93 +         let _ = (iface, dir);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         drop((iface, dir));
[INFO] [stdout]    |         ^^^^^------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&aha_wit_parser::Interface, Direction)`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 98 -         drop((iface, dir));
[INFO] [stdout] 98 +         let _ = (iface, dir);
[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/lib.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         drop(files);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut Files`
[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] 104 -         drop(files);
[INFO] [stdout] 104 +         let _ = files;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         drop((imports, exports));
[INFO] [stdout]    |         ^^^^^------------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&[aha_wit_parser::Interface], &[aha_wit_parser::Interface])`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 44 -         drop((imports, exports));
[INFO] [stdout] 44 +         let _ = (imports, exports);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         drop((iface, dir));
[INFO] [stdout]    |         ^^^^^------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&aha_wit_parser::Interface, Direction)`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 48 -         drop((iface, dir));
[INFO] [stdout] 48 +         let _ = (iface, dir);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         drop((iface, dir));
[INFO] [stdout]    |         ^^^^^------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&aha_wit_parser::Interface, Direction)`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 93 -         drop((iface, dir));
[INFO] [stdout] 93 +         let _ = (iface, dir);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         drop((iface, dir));
[INFO] [stdout]    |         ^^^^^------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&aha_wit_parser::Interface, Direction)`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 98 -         drop((iface, dir));
[INFO] [stdout] 98 +         let _ = (iface, dir);
[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/lib.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         drop(files);
[INFO] [stdout]     |         ^^^^^-----^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut Files`
[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] 104 -         drop(files);
[INFO] [stdout] 104 +         let _ = files;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "4b8d8d6a224ee5c13e6635655394b8ea83f13330ba5d211b6ce8759edf1d1918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8d8d6a224ee5c13e6635655394b8ea83f13330ba5d211b6ce8759edf1d1918", kill_on_drop: false }`
[INFO] [stdout] 4b8d8d6a224ee5c13e6635655394b8ea83f13330ba5d211b6ce8759edf1d1918
