[INFO] fetching crate query-params-derive 0.1.1...
[INFO] testing query-params-derive-0.1.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate query-params-derive 0.1.1 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate query-params-derive 0.1.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-71/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e10835058542d2c9e879fb25e2e0404e3aab18fffc5a180bf13534185e6e5dfb
[INFO] running `Command { std: "docker" "start" "-a" "e10835058542d2c9e879fb25e2e0404e3aab18fffc5a180bf13534185e6e5dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e10835058542d2c9e879fb25e2e0404e3aab18fffc5a180bf13534185e6e5dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10835058542d2c9e879fb25e2e0404e3aab18fffc5a180bf13534185e6e5dfb", kill_on_drop: false }`
[INFO] [stdout] e10835058542d2c9e879fb25e2e0404e3aab18fffc5a180bf13534185e6e5dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03867d9efd64ee570efbc2678dc2eb2d105a19af7a80083891545a0161885b91
[INFO] running `Command { std: "docker" "start" "-a" "03867d9efd64ee570efbc2678dc2eb2d105a19af7a80083891545a0161885b91", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[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] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `query-params-derive` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "03867d9efd64ee570efbc2678dc2eb2d105a19af7a80083891545a0161885b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03867d9efd64ee570efbc2678dc2eb2d105a19af7a80083891545a0161885b91", kill_on_drop: false }`
[INFO] [stdout] 03867d9efd64ee570efbc2678dc2eb2d105a19af7a80083891545a0161885b91