[INFO] fetching crate filters 0.4.0...
[INFO] checking filters-0.4.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate filters 0.4.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate filters 0.4.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate filters 0.4.0
[INFO] finished tweaking crates.io crate filters 0.4.0
[INFO] tweaked toml for crates.io crate filters 0.4.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20c7f39ef9f2d15e219c16426a29c47b5872ed41943df4297515fe26a940c29f
[INFO] running `Command { std: "docker" "start" "-a" "20c7f39ef9f2d15e219c16426a29c47b5872ed41943df4297515fe26a940c29f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20c7f39ef9f2d15e219c16426a29c47b5872ed41943df4297515fe26a940c29f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c7f39ef9f2d15e219c16426a29c47b5872ed41943df4297515fe26a940c29f", kill_on_drop: false }`
[INFO] [stdout] 20c7f39ef9f2d15e219c16426a29c47b5872ed41943df4297515fe26a940c29f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc96bff4f9c79f69d976ad382c8d232334d9d784a82fe2e47348fcfc7c720afc
[INFO] running `Command { std: "docker" "start" "-a" "cc96bff4f9c79f69d976ad382c8d232334d9d784a82fe2e47348fcfc7c720afc", kill_on_drop: false }`
[INFO] [stderr]     Checking filters v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/filter.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn filter(&self, &N) -> bool;
[INFO] [stdout]    |                      ^^ help: try naming the parameter or explicitly ignoring it: `_: &N`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/failable/filter.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn filter(&self, &N) -> Result<bool, Self::Error>;
[INFO] [stdout]    |                      ^^ help: try naming the parameter or explicitly ignoring it: `_: &N`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/iter.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn filter_oks(self, F) -> FilterOksIter<T, E, I, F>;
[INFO] [stdout]    |                         ^ help: try naming the parameter or explicitly ignoring it: `_: F`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/iter.rs:111:26
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn filter_errs(self, F) -> FilterErrIter<T, E, I, F>;
[INFO] [stdout]     |                          ^ help: try naming the parameter or explicitly ignoring it: `_: F`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/filter.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn filter(&self, &N) -> bool;
[INFO] [stdout]    |                      ^^ help: try naming the parameter or explicitly ignoring it: `_: &N`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/failable/filter.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn filter(&self, &N) -> Result<bool, Self::Error>;
[INFO] [stdout]    |                      ^^ help: try naming the parameter or explicitly ignoring it: `_: &N`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/iter.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn filter_oks(self, F) -> FilterOksIter<T, E, I, F>;
[INFO] [stdout]    |                         ^ help: try naming the parameter or explicitly ignoring it: `_: F`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/iter.rs:111:26
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn filter_errs(self, F) -> FilterErrIter<T, E, I, F>;
[INFO] [stdout]     |                          ^ help: try naming the parameter or explicitly ignoring it: `_: F`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "cc96bff4f9c79f69d976ad382c8d232334d9d784a82fe2e47348fcfc7c720afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc96bff4f9c79f69d976ad382c8d232334d9d784a82fe2e47348fcfc7c720afc", kill_on_drop: false }`
[INFO] [stdout] cc96bff4f9c79f69d976ad382c8d232334d9d784a82fe2e47348fcfc7c720afc