[INFO] fetching crate ast_openapi 0.1.0...
[INFO] checking ast_openapi-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate ast_openapi 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ast_openapi 0.1.0
[INFO] finished tweaking crates.io crate ast_openapi 0.1.0
[INFO] tweaked toml for crates.io crate ast_openapi 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ast_openapi 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ast_openapi 0.1.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d003a0f2f67fee088be9f5deec0ad7fdee2bbd61f774a63763be1f793f36dab0
[INFO] running `Command { std: "docker" "start" "-a" "d003a0f2f67fee088be9f5deec0ad7fdee2bbd61f774a63763be1f793f36dab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d003a0f2f67fee088be9f5deec0ad7fdee2bbd61f774a63763be1f793f36dab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d003a0f2f67fee088be9f5deec0ad7fdee2bbd61f774a63763be1f793f36dab0", kill_on_drop: false }`
[INFO] [stdout] d003a0f2f67fee088be9f5deec0ad7fdee2bbd61f774a63763be1f793f36dab0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6a028edaa55c55b91d4e7bc865ce65b1653f3747c8f688dafbd7ac1e31a3064
[INFO] running `Command { std: "docker" "start" "-a" "d6a028edaa55c55b91d4e7bc865ce65b1653f3747c8f688dafbd7ac1e31a3064", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking unicode-ident v1.0.16
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr]     Checking syn v2.0.98
[INFO] [stderr]     Checking ast_openapi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/main.rs:54:42
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn visit_expr_method_call(&mut self, node: &'_ syn::ExprMethodCall) {
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NestVisitor` is never constructed
[INFO] [stdout]   --> src/main.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct NestVisitor {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/main.rs:54:42
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn visit_expr_method_call(&mut self, node: &'_ syn::ExprMethodCall) {
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NestVisitor` is never constructed
[INFO] [stdout]   --> src/main.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct NestVisitor {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.82s
[INFO] running `Command { std: "docker" "inspect" "d6a028edaa55c55b91d4e7bc865ce65b1653f3747c8f688dafbd7ac1e31a3064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6a028edaa55c55b91d4e7bc865ce65b1653f3747c8f688dafbd7ac1e31a3064", kill_on_drop: false }`
[INFO] [stdout] d6a028edaa55c55b91d4e7bc865ce65b1653f3747c8f688dafbd7ac1e31a3064