[INFO] crate specs-derive 0.4.0 is already in cache
[INFO] checking specs-derive-0.4.0 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate specs-derive 0.4.0 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate specs-derive 0.4.0 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate specs-derive 0.4.0
[INFO] finished tweaking crates.io crate specs-derive 0.4.0
[INFO] tweaked toml for crates.io crate specs-derive 0.4.0 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c41983d601e9f437ecae55ddc060d4aafb63f869773c3e9fa00c2d5dd1f8791e
[INFO] running `"docker" "start" "-a" "c41983d601e9f437ecae55ddc060d4aafb63f869773c3e9fa00c2d5dd1f8791e"`
[INFO] [stderr]     Checking specs-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `GenericParam` is imported redundantly
[INFO] [stderr]    --> src/impl_saveload.rs:406:9
[INFO] [stderr]     |
[INFO] [stderr] 7   | use syn::{DataEnum, DataStruct, DeriveInput, Field, Generics, Ident, Type, GenericParam, WhereClause, WherePredicate};
[INFO] [stderr]     |                                                                            ------------ the item `GenericParam` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 406 |     use syn::GenericParam;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `GenericParam` is imported redundantly
[INFO] [stderr]    --> src/impl_saveload.rs:406:9
[INFO] [stderr]     |
[INFO] [stderr] 7   | use syn::{DataEnum, DataStruct, DeriveInput, Field, Generics, Ident, Type, GenericParam, WhereClause, WherePredicate};
[INFO] [stderr]     |                                                                            ------------ the item `GenericParam` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 406 |     use syn::GenericParam;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "c41983d601e9f437ecae55ddc060d4aafb63f869773c3e9fa00c2d5dd1f8791e"`
[INFO] running `"docker" "rm" "-f" "c41983d601e9f437ecae55ddc060d4aafb63f869773c3e9fa00c2d5dd1f8791e"`
[INFO] [stdout] c41983d601e9f437ecae55ddc060d4aafb63f869773c3e9fa00c2d5dd1f8791e