[INFO] fetching crate filters 0.4.0...
[INFO] checking filters-0.4.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate filters 0.4.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate filters 0.4.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfae63acd3eea18ce7cc6687d7435d54e69be39c615ad31f6a24047b49c0fd2e
[INFO] running `Command { std: "docker" "start" "-a" "bfae63acd3eea18ce7cc6687d7435d54e69be39c615ad31f6a24047b49c0fd2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfae63acd3eea18ce7cc6687d7435d54e69be39c615ad31f6a24047b49c0fd2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfae63acd3eea18ce7cc6687d7435d54e69be39c615ad31f6a24047b49c0fd2e", kill_on_drop: false }`
[INFO] [stdout] bfae63acd3eea18ce7cc6687d7435d54e69be39c615ad31f6a24047b49c0fd2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a1bf3aad976521fd197b214789b53db25c0228ceff6ccf3b3698b7c9de1bfb5
[INFO] running `Command { std: "docker" "start" "-a" "1a1bf3aad976521fd197b214789b53db25c0228ceff6ccf3b3698b7c9de1bfb5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.85s
[INFO] running `Command { std: "docker" "inspect" "1a1bf3aad976521fd197b214789b53db25c0228ceff6ccf3b3698b7c9de1bfb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1bf3aad976521fd197b214789b53db25c0228ceff6ccf3b3698b7c9de1bfb5", kill_on_drop: false }`
[INFO] [stdout] 1a1bf3aad976521fd197b214789b53db25c0228ceff6ccf3b3698b7c9de1bfb5