[INFO] fetching crate wasmer-wit-bindgen-gen-rust 0.1.1...
[INFO] checking wasmer-wit-bindgen-gen-rust-0.1.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate wasmer-wit-bindgen-gen-rust 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate wasmer-wit-bindgen-gen-rust 0.1.1
[INFO] finished tweaking crates.io crate wasmer-wit-bindgen-gen-rust 0.1.1
[INFO] tweaked toml for crates.io crate wasmer-wit-bindgen-gen-rust 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasmer-wit-bindgen-gen-rust 0.1.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f587c4de0050b05736774c31e7fba1b88f25cb363f15b24371a74a0d06997f48
[INFO] running `Command { std: "docker" "start" "-a" "f587c4de0050b05736774c31e7fba1b88f25cb363f15b24371a74a0d06997f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f587c4de0050b05736774c31e7fba1b88f25cb363f15b24371a74a0d06997f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f587c4de0050b05736774c31e7fba1b88f25cb363f15b24371a74a0d06997f48", kill_on_drop: false }`
[INFO] [stdout] f587c4de0050b05736774c31e7fba1b88f25cb363f15b24371a74a0d06997f48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8503dff38bc085e0dfba73608c1fafc1faf16c2f672e1132f6c55d8fd5bb9d5
[INFO] running `Command { std: "docker" "start" "-a" "c8503dff38bc085e0dfba73608c1fafc1faf16c2f672e1132f6c55d8fd5bb9d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking unicase v2.8.1
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking unicode-xid v0.2.6
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]     Checking tinyvec v1.10.0
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking wasmer-wit-parser v0.1.1
[INFO] [stderr]     Checking wasmer-wit-bindgen-gen-core v0.1.1
[INFO] [stderr]     Checking wasmer-wit-bindgen-gen-rust v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `generate_structs`
[INFO] [stdout]    --> src/lib.rs:760:9
[INFO] [stdout]     |
[INFO] [stdout] 760 |         generate_structs: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generate_structs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[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((docs, header));
[INFO] [stdout]    |         ^^^^^--------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&[(std::string::String, wasmer_wit_bindgen_gen_core::wasmer_wit_parser::Type)], &str)`
[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] 48 -         drop((docs, header));
[INFO] [stdout] 48 +         let _ = (docs, header);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generate_structs`
[INFO] [stdout]    --> src/lib.rs:760:9
[INFO] [stdout]     |
[INFO] [stdout] 760 |         generate_structs: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generate_structs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[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((docs, header));
[INFO] [stdout]    |         ^^^^^--------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&[(std::string::String, wasmer_wit_bindgen_gen_core::wasmer_wit_parser::Type)], &str)`
[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] 48 -         drop((docs, header));
[INFO] [stdout] 48 +         let _ = (docs, header);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "c8503dff38bc085e0dfba73608c1fafc1faf16c2f672e1132f6c55d8fd5bb9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8503dff38bc085e0dfba73608c1fafc1faf16c2f672e1132f6c55d8fd5bb9d5", kill_on_drop: false }`
[INFO] [stdout] c8503dff38bc085e0dfba73608c1fafc1faf16c2f672e1132f6c55d8fd5bb9d5