[INFO] fetching crate wundergraph_derive 0.1.0...
[INFO] checking wundergraph_derive-0.1.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate wundergraph_derive 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate wundergraph_derive 0.1.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wundergraph_derive 0.1.0
[INFO] finished tweaking crates.io crate wundergraph_derive 0.1.0
[INFO] tweaked toml for crates.io crate wundergraph_derive 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86e4ba6ff495ae6959a2c152d3bd09f5c927a5905ef3e5a9d2ef6f1db8998e6f
[INFO] running `Command { std: "docker" "start" "-a" "86e4ba6ff495ae6959a2c152d3bd09f5c927a5905ef3e5a9d2ef6f1db8998e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86e4ba6ff495ae6959a2c152d3bd09f5c927a5905ef3e5a9d2ef6f1db8998e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e4ba6ff495ae6959a2c152d3bd09f5c927a5905ef3e5a9d2ef6f1db8998e6f", kill_on_drop: false }`
[INFO] [stdout] 86e4ba6ff495ae6959a2c152d3bd09f5c927a5905ef3e5a9d2ef6f1db8998e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d8e80ce735c04ab0916164289739c2983c51156331eade3e2508a497bb92589
[INFO] running `Command { std: "docker" "start" "-a" "9d8e80ce735c04ab0916164289739c2983c51156331eade3e2508a497bb92589", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking wundergraph_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `emit_error` is never used
[INFO] [stdout]  --> src/diagnostic_shim.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait EmitErrorExt<T> {
[INFO] [stdout]   |           ------------ method in this trait
[INFO] [stdout] 4 |     fn emit_error(self) -> Option<T>;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `span` and `flags` are never read
[INFO] [stdout]   --> src/field.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Field {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub span: Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     flags: MetaItem,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Field` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `emit_error` is never used
[INFO] [stdout]  --> src/diagnostic_shim.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait EmitErrorExt<T> {
[INFO] [stdout]   |           ------------ method in this trait
[INFO] [stdout] 4 |     fn emit_error(self) -> Option<T>;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `span` and `flags` are never read
[INFO] [stdout]   --> src/field.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Field {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub span: Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     flags: MetaItem,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Field` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 4.45s
[INFO] running `Command { std: "docker" "inspect" "9d8e80ce735c04ab0916164289739c2983c51156331eade3e2508a497bb92589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8e80ce735c04ab0916164289739c2983c51156331eade3e2508a497bb92589", kill_on_drop: false }`
[INFO] [stdout] 9d8e80ce735c04ab0916164289739c2983c51156331eade3e2508a497bb92589