[INFO] fetching crate query-params-derive 0.1.1...
[INFO] testing query-params-derive-0.1.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate query-params-derive 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate query-params-derive 0.1.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate query-params-derive 0.1.1
[INFO] finished tweaking crates.io crate query-params-derive 0.1.1
[INFO] tweaked toml for crates.io crate query-params-derive 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded query-params-trait v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90fea721348fa5478a65c076f3ab7c7456df3ed774f1039e05f9e8e34db276bc
[INFO] running `Command { std: "docker" "start" "-a" "90fea721348fa5478a65c076f3ab7c7456df3ed774f1039e05f9e8e34db276bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90fea721348fa5478a65c076f3ab7c7456df3ed774f1039e05f9e8e34db276bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90fea721348fa5478a65c076f3ab7c7456df3ed774f1039e05f9e8e34db276bc", kill_on_drop: false }`
[INFO] [stdout] 90fea721348fa5478a65c076f3ab7c7456df3ed774f1039e05f9e8e34db276bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 845bcf443054afe71cf328ff36427adba023db6f02afc140e3cc2f5f6fe6656f
[INFO] running `Command { std: "docker" "start" "-a" "845bcf443054afe71cf328ff36427adba023db6f02afc140e3cc2f5f6fe6656f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling query-params-trait v0.0.1
[INFO] [stderr]    Compiling query-params-derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]    --> src/lib.rs:101:74
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn gen_serialization_query_params(ast: &syn::DeriveInput) -> Result<syn::export::TokenStream2> {
[INFO] [stdout]     |                                                                          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]    --> src/lib.rs:127:62
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn get_print_fields(fields: &syn::Fields) -> Result<Vec<syn::export::TokenStream2>> {
[INFO] [stdout]     |                                                              ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]    --> src/lib.rs:194:78
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn vec_to_query_params(name: syn::Ident, ident: &Option<syn::Ident>) -> syn::export::TokenStream2 {
[INFO] [stdout]     |                                                                              ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]    --> src/lib.rs:211:11
[INFO] [stdout]     |
[INFO] [stdout] 211 | ) -> syn::export::TokenStream2 {
[INFO] [stdout]     |           ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]    --> src/lib.rs:222:11
[INFO] [stdout]     |
[INFO] [stdout] 222 | ) -> syn::export::TokenStream2 {
[INFO] [stdout]     |           ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `query-params-derive` due to 6 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "845bcf443054afe71cf328ff36427adba023db6f02afc140e3cc2f5f6fe6656f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "845bcf443054afe71cf328ff36427adba023db6f02afc140e3cc2f5f6fe6656f", kill_on_drop: false }`
[INFO] [stdout] 845bcf443054afe71cf328ff36427adba023db6f02afc140e3cc2f5f6fe6656f