[INFO] fetching crate mady_macro_core 0.1.0-alpha...
[INFO] checking mady_macro_core-0.1.0-alpha against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate mady_macro_core 0.1.0-alpha into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate mady_macro_core 0.1.0-alpha on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mady_macro_core 0.1.0-alpha
[INFO] finished tweaking crates.io crate mady_macro_core 0.1.0-alpha
[INFO] tweaked toml for crates.io crate mady_macro_core 0.1.0-alpha written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.10.2 (latest: v0.20.10)
[INFO] [stderr]       Adding darling_core v0.10.2 (latest: v0.20.10)
[INFO] [stderr]       Adding darling_macro v0.10.2 (latest: v0.20.10)
[INFO] [stderr]       Adding derive_builder v0.9.0 (latest: v0.20.1)
[INFO] [stderr]       Adding derive_builder_core v0.9.0 (latest: v0.20.1)
[INFO] [stderr]       Adding strsim v0.9.3 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cc05f36939e6a7a1fc40c7759ac4513046bb57770471f767679efa9495f60ec
[INFO] running `Command { std: "docker" "start" "-a" "3cc05f36939e6a7a1fc40c7759ac4513046bb57770471f767679efa9495f60ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cc05f36939e6a7a1fc40c7759ac4513046bb57770471f767679efa9495f60ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc05f36939e6a7a1fc40c7759ac4513046bb57770471f767679efa9495f60ec", kill_on_drop: false }`
[INFO] [stdout] 3cc05f36939e6a7a1fc40c7759ac4513046bb57770471f767679efa9495f60ec
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05dd1d8a8887c2ddd14b7628a309919df84818e6c9a98b12ce8df058c971339d
[INFO] running `Command { std: "docker" "start" "-a" "05dd1d8a8887c2ddd14b7628a309919df84818e6c9a98b12ce8df058c971339d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking tabbycat v0.1.3
[INFO] [stderr]     Checking mady_macro_core v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `CantInferType` and `UnexpectNodeType` are never constructed
[INFO] [stdout]   --> src/error.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum ParseError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 20 |     CantInferType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     UnexpectNodeType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Attr` is never constructed
[INFO] [stdout]   --> src/parser.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Attr {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CantInferType` and `UnexpectNodeType` are never constructed
[INFO] [stdout]   --> src/error.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum ParseError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 20 |     CantInferType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     UnexpectNodeType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Attr` is never constructed
[INFO] [stdout]   --> src/parser.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Attr {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.36s
[INFO] running `Command { std: "docker" "inspect" "05dd1d8a8887c2ddd14b7628a309919df84818e6c9a98b12ce8df058c971339d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05dd1d8a8887c2ddd14b7628a309919df84818e6c9a98b12ce8df058c971339d", kill_on_drop: false }`
[INFO] [stdout] 05dd1d8a8887c2ddd14b7628a309919df84818e6c9a98b12ce8df058c971339d