[INFO] fetching crate linera-wit-bindgen-gen-rust-lib 0.2.0...
[INFO] checking linera-wit-bindgen-gen-rust-lib-0.2.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate linera-wit-bindgen-gen-rust-lib 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate linera-wit-bindgen-gen-rust-lib 0.2.0
[INFO] finished tweaking crates.io crate linera-wit-bindgen-gen-rust-lib 0.2.0
[INFO] tweaked toml for crates.io crate linera-wit-bindgen-gen-rust-lib 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate linera-wit-bindgen-gen-rust-lib 0.2.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84d7cd43c87eb630e7c74caeaaeb8bfdb35470f0cfb78e74937ffc1fc668302a
[INFO] running `Command { std: "docker" "start" "-a" "84d7cd43c87eb630e7c74caeaaeb8bfdb35470f0cfb78e74937ffc1fc668302a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84d7cd43c87eb630e7c74caeaaeb8bfdb35470f0cfb78e74937ffc1fc668302a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d7cd43c87eb630e7c74caeaaeb8bfdb35470f0cfb78e74937ffc1fc668302a", kill_on_drop: false }`
[INFO] [stdout] 84d7cd43c87eb630e7c74caeaaeb8bfdb35470f0cfb78e74937ffc1fc668302a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 033954dfb02274012c5716df49511ddb5b80b1053738e5263d4bfd9b69909df4
[INFO] running `Command { std: "docker" "start" "-a" "033954dfb02274012c5716df49511ddb5b80b1053738e5263d4bfd9b69909df4", kill_on_drop: false }`
[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 heck v0.3.3
[INFO] [stderr]     Checking linera-wit-parser v0.2.0
[INFO] [stderr]     Checking linera-wit-bindgen-core v0.2.0
[INFO] [stderr]     Checking linera-wit-bindgen-gen-rust-lib 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:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         drop((docs, header));
[INFO] [stdout]    |         ^^^^^--------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&[(std::string::String, linera_wit_bindgen_core::linera_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] 52 -         drop((docs, header));
[INFO] [stdout] 52 +         let _ = (docs, header);
[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:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         drop((docs, header));
[INFO] [stdout]    |         ^^^^^--------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `(&[(std::string::String, linera_wit_bindgen_core::linera_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] 52 -         drop((docs, header));
[INFO] [stdout] 52 +         let _ = (docs, header);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "033954dfb02274012c5716df49511ddb5b80b1053738e5263d4bfd9b69909df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033954dfb02274012c5716df49511ddb5b80b1053738e5263d4bfd9b69909df4", kill_on_drop: false }`
[INFO] [stdout] 033954dfb02274012c5716df49511ddb5b80b1053738e5263d4bfd9b69909df4