[INFO] fetching crate wundergraph_derive 0.1.0...
[INFO] checking wundergraph_derive-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate wundergraph_derive 0.1.0 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wundergraph_derive 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b535f31a6f94c1e4ca36d889852fb49c799143201524a077ced02c4ed6b9903
[INFO] running `Command { std: "docker" "start" "-a" "1b535f31a6f94c1e4ca36d889852fb49c799143201524a077ced02c4ed6b9903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b535f31a6f94c1e4ca36d889852fb49c799143201524a077ced02c4ed6b9903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b535f31a6f94c1e4ca36d889852fb49c799143201524a077ced02c4ed6b9903", kill_on_drop: false }`
[INFO] [stdout] 1b535f31a6f94c1e4ca36d889852fb49c799143201524a077ced02c4ed6b9903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0bd5eb6f88472564537751fdd9af652044a361d857814f6752700734cea6a9f
[INFO] running `Command { std: "docker" "start" "-a" "c0bd5eb6f88472564537751fdd9af652044a361d857814f6752700734cea6a9f", 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: trait `EmitErrorExt` is never used
[INFO] [stdout]  --> src/diagnostic_shim.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait EmitErrorExt<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: trait `EmitErrorExt` is never used
[INFO] [stdout]  --> src/diagnostic_shim.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait EmitErrorExt<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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "c0bd5eb6f88472564537751fdd9af652044a361d857814f6752700734cea6a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0bd5eb6f88472564537751fdd9af652044a361d857814f6752700734cea6a9f", kill_on_drop: false }`
[INFO] [stdout] c0bd5eb6f88472564537751fdd9af652044a361d857814f6752700734cea6a9f