[INFO] fetching crate matrix 0.22.0... [INFO] checking matrix-0.22.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] extracting crate matrix 0.22.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate matrix 0.22.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded openblas-src v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0bfedba432d631244aee18b46a89205731893c89074d23a686d45be95b21d785 [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" "0bfedba432d631244aee18b46a89205731893c89074d23a686d45be95b21d785", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0bfedba432d631244aee18b46a89205731893c89074d23a686d45be95b21d785", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bfedba432d631244aee18b46a89205731893c89074d23a686d45be95b21d785", kill_on_drop: false }` [INFO] [stdout] 0bfedba432d631244aee18b46a89205731893c89074d23a686d45be95b21d785 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] ca7ddc5b6af4c68d6a9b5cd2c739dd5e5f83245517416c98fb496660ac38a79d [INFO] running `Command { std: "docker" "start" "-a" "ca7ddc5b6af4c68d6a9b5cd2c739dd5e5f83245517416c98fb496660ac38a79d", kill_on_drop: false }` [INFO] [stderr] Checking assert v0.7.4 [INFO] [stderr] Compiling num-traits v0.2.14 [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) -> 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 [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 [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 [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 [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 [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 [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) -> 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 [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 [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 [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 [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 [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 [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.19s [INFO] running `Command { std: "docker" "inspect" "ca7ddc5b6af4c68d6a9b5cd2c739dd5e5f83245517416c98fb496660ac38a79d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca7ddc5b6af4c68d6a9b5cd2c739dd5e5f83245517416c98fb496660ac38a79d", kill_on_drop: false }` [INFO] [stdout] ca7ddc5b6af4c68d6a9b5cd2c739dd5e5f83245517416c98fb496660ac38a79d