[INFO] fetching crate matrix 0.22.0...
[INFO] checking matrix-0.22.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate matrix 0.22.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate matrix 0.22.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrix 0.22.0
[INFO] finished tweaking crates.io crate matrix 0.22.0
[INFO] tweaked toml for crates.io crate matrix 0.22.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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" "+beta-2021-10-15" "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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a877b43a0c2abafb7f5da2ef73f87ba3c5e5ab592ffaca32a41679b421df239
[INFO] running `Command { std: "docker" "start" "-a" "2a877b43a0c2abafb7f5da2ef73f87ba3c5e5ab592ffaca32a41679b421df239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a877b43a0c2abafb7f5da2ef73f87ba3c5e5ab592ffaca32a41679b421df239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a877b43a0c2abafb7f5da2ef73f87ba3c5e5ab592ffaca32a41679b421df239", kill_on_drop: false }`
[INFO] [stdout] 2a877b43a0c2abafb7f5da2ef73f87ba3c5e5ab592ffaca32a41679b421df239
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0135ce95f634633eba14d19df3bcadb91a967aa31d4d02fb4782c55c088c582
[INFO] running `Command { std: "docker" "start" "-a" "a0135ce95f634633eba14d19df3bcadb91a967aa31d4d02fb4782c55c088c582", kill_on_drop: false }`
[INFO] [stderr]     Checking assert v0.7.4
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking matrix v0.22.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:87:22
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn zero<S: Size>(S) -> Self;
[INFO] [stdout]    |                      ^ help: try naming the parameter or explicitly ignoring it: `_: S`
[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/operation.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn multiply(&self, &Right) -> Output;
[INFO] [stdout]   |                        ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Right`
[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/operation.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn multiply_into(&self, &Right, &mut Output);
[INFO] [stdout]    |                             ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Right`
[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/operation.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn multiply_into(&self, &Right, &mut Output);
[INFO] [stdout]    |                                     ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Output`
[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/operation.rs:18:33
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn multiply_self(&mut self, &Right);
[INFO] [stdout]    |                                 ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Right`
[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/operation.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn scale_self(&mut self, T);
[INFO] [stdout]    |                              ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[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/lib.rs:87:22
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn zero<S: Size>(S) -> Self;
[INFO] [stdout]    |                      ^ help: try naming the parameter or explicitly ignoring it: `_: S`
[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/operation.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn multiply(&self, &Right) -> Output;
[INFO] [stdout]   |                        ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Right`
[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/operation.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn multiply_into(&self, &Right, &mut Output);
[INFO] [stdout]    |                             ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Right`
[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/operation.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn multiply_into(&self, &Right, &mut Output);
[INFO] [stdout]    |                                     ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Output`
[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/operation.rs:18:33
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn multiply_self(&mut self, &Right);
[INFO] [stdout]    |                                 ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Right`
[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/operation.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn scale_self(&mut self, T);
[INFO] [stdout]    |                              ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matrix` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a0135ce95f634633eba14d19df3bcadb91a967aa31d4d02fb4782c55c088c582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0135ce95f634633eba14d19df3bcadb91a967aa31d4d02fb4782c55c088c582", kill_on_drop: false }`
[INFO] [stdout] a0135ce95f634633eba14d19df3bcadb91a967aa31d4d02fb4782c55c088c582
