[INFO] fetching crate json_api_derive 0.1.0...
[INFO] testing json_api_derive-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate json_api_derive 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate json_api_derive 0.1.0 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 json_api_derive 0.1.0
[INFO] finished tweaking crates.io crate json_api_derive 0.1.0
[INFO] tweaked toml for crates.io crate json_api_derive 0.1.0 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d6e7f82243d5eac8ba01b28d1f9943335ffebdebc9f05fe8833544658950444e
[INFO] running `Command { std: "docker" "start" "-a" "d6e7f82243d5eac8ba01b28d1f9943335ffebdebc9f05fe8833544658950444e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6e7f82243d5eac8ba01b28d1f9943335ffebdebc9f05fe8833544658950444e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e7f82243d5eac8ba01b28d1f9943335ffebdebc9f05fe8833544658950444e", kill_on_drop: false }`
[INFO] [stdout] d6e7f82243d5eac8ba01b28d1f9943335ffebdebc9f05fe8833544658950444e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ad96c585da6864a9aa4788ecfe5c75693764d37fcfd485a255b9206f592f5997
[INFO] running `Command { std: "docker" "start" "-a" "ad96c585da6864a9aa4788ecfe5c75693764d37fcfd485a255b9206f592f5997", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling json_api_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/context/mod.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::export::ToTokens;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_token_stream` found for reference `&DeriveInput` in the current scope
[INFO] [stdout]    --> src/context/mod.rs:133:25
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     ast.to_token_stream(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^ method not found in `&DeriveInput`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 2   | use quote::ToTokens;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_token_stream` found for reference `&syn::Field` in the current scope
[INFO] [stdout]    --> src/context/mod.rs:158:47
[INFO] [stdout]     |
[INFO] [stdout] 158 | ...                   field.to_token_stream(),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^ method not found in `&syn::Field`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 2   | use quote::ToTokens;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json_api_derive` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "ad96c585da6864a9aa4788ecfe5c75693764d37fcfd485a255b9206f592f5997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad96c585da6864a9aa4788ecfe5c75693764d37fcfd485a255b9206f592f5997", kill_on_drop: false }`
[INFO] [stdout] ad96c585da6864a9aa4788ecfe5c75693764d37fcfd485a255b9206f592f5997