[INFO] fetching crate stochastic 0.5.2... [INFO] checking stochastic-0.5.2 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate stochastic 0.5.2 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate stochastic 0.5.2 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate stochastic 0.5.2 [INFO] finished tweaking crates.io crate stochastic 0.5.2 [INFO] tweaked toml for crates.io crate stochastic 0.5.2 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded assert v0.7.4 [INFO] [stderr] Downloaded dft v0.5.5 [INFO] [stderr] Downloaded special v0.8.1 [INFO] [stderr] Downloaded probability v0.15.12 [INFO] [stderr] Downloaded czt v0.3.7 [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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", 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] c0122d61488b1a470a65302bb42c1bca484ae6fabab7c51564ba796a166bdaf5 [INFO] running `Command { std: "docker" "start" "-a" "c0122d61488b1a470a65302bb42c1bca484ae6fabab7c51564ba796a166bdaf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c0122d61488b1a470a65302bb42c1bca484ae6fabab7c51564ba796a166bdaf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0122d61488b1a470a65302bb42c1bca484ae6fabab7c51564ba796a166bdaf5", kill_on_drop: false }` [INFO] [stdout] c0122d61488b1a470a65302bb42c1bca484ae6fabab7c51564ba796a166bdaf5 [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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 548ecd700b6c935e3ad81c7d84cbb51bf372f324bcda8cac9215a9d1b9fbaf4c [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" "548ecd700b6c935e3ad81c7d84cbb51bf372f324bcda8cac9215a9d1b9fbaf4c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Checking assert v0.7.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking special v0.8.1 [INFO] [stderr] Checking probability v0.15.12 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking dft v0.5.5 [INFO] [stderr] Checking czt v0.3.7 [INFO] [stderr] Checking stochastic v0.5.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:20:19 [INFO] [stdout] | [INFO] [stdout] 20 | fn cov(&self, Self::Index, Self::Index) -> f64; [INFO] [stdout] | ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Index` [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/lib.rs:20:32 [INFO] [stdout] | [INFO] [stdout] 20 | fn cov(&self, Self::Index, Self::Index) -> f64; [INFO] [stdout] | ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Index` [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:35:19 [INFO] [stdout] | [INFO] [stdout] 35 | fn cov(&self, Self::Distance) -> f64; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Distance` [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:20:19 [INFO] [stdout] | [INFO] [stdout] 20 | fn cov(&self, Self::Index, Self::Index) -> f64; [INFO] [stdout] | ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Index` [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/lib.rs:20:32 [INFO] [stdout] | [INFO] [stdout] 20 | fn cov(&self, Self::Index, Self::Index) -> f64; [INFO] [stdout] | ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Index` [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:35:19 [INFO] [stdout] | [INFO] [stdout] 35 | fn cov(&self, Self::Distance) -> f64; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Distance` [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.25s [INFO] running `Command { std: "docker" "inspect" "548ecd700b6c935e3ad81c7d84cbb51bf372f324bcda8cac9215a9d1b9fbaf4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "548ecd700b6c935e3ad81c7d84cbb51bf372f324bcda8cac9215a9d1b9fbaf4c", kill_on_drop: false }` [INFO] [stdout] 548ecd700b6c935e3ad81c7d84cbb51bf372f324bcda8cac9215a9d1b9fbaf4c