[INFO] fetching crate filters 0.4.0...
[INFO] checking filters-0.4.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate filters 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate filters 0.4.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4241a9d0fd6e02d760bbc3819176b1ea4b87061d06e942ee3f1d0fad13c1ec31
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4241a9d0fd6e02d760bbc3819176b1ea4b87061d06e942ee3f1d0fad13c1ec31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4241a9d0fd6e02d760bbc3819176b1ea4b87061d06e942ee3f1d0fad13c1ec31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4241a9d0fd6e02d760bbc3819176b1ea4b87061d06e942ee3f1d0fad13c1ec31", kill_on_drop: false }`
[INFO] [stdout] 4241a9d0fd6e02d760bbc3819176b1ea4b87061d06e942ee3f1d0fad13c1ec31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37b92884c89bfba9aed2804decb91694d4ce6f3502097125caa9acd8885c6fed
[INFO] running `Command { std: "docker" "start" "-a" "37b92884c89bfba9aed2804decb91694d4ce6f3502097125caa9acd8885c6fed", 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 0.58s
[INFO] running `Command { std: "docker" "inspect" "37b92884c89bfba9aed2804decb91694d4ce6f3502097125caa9acd8885c6fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b92884c89bfba9aed2804decb91694d4ce6f3502097125caa9acd8885c6fed", kill_on_drop: false }`
[INFO] [stdout] 37b92884c89bfba9aed2804decb91694d4ce6f3502097125caa9acd8885c6fed