[INFO] fetching crate outliers_table 0.1.5...
[INFO] checking outliers_table-0.1.5 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate outliers_table 0.1.5 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate outliers_table 0.1.5
[INFO] finished tweaking crates.io crate outliers_table 0.1.5
[INFO] tweaked toml for crates.io crate outliers_table 0.1.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate outliers_table 0.1.5 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate outliers_table 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8af3cd65df56063c4bce057fe9ab7b3cf83fbea471400633dbf9b1b39e403a98
[INFO] running `Command { std: "docker" "start" "-a" "8af3cd65df56063c4bce057fe9ab7b3cf83fbea471400633dbf9b1b39e403a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8af3cd65df56063c4bce057fe9ab7b3cf83fbea471400633dbf9b1b39e403a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af3cd65df56063c4bce057fe9ab7b3cf83fbea471400633dbf9b1b39e403a98", kill_on_drop: false }`
[INFO] [stdout] 8af3cd65df56063c4bce057fe9ab7b3cf83fbea471400633dbf9b1b39e403a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 695b89735ed275ecf71d7c4b31ec6fbc16b8c63e1b4feadca7b2bdd82459781a
[INFO] running `Command { std: "docker" "start" "-a" "695b89735ed275ecf71d7c4b31ec6fbc16b8c63e1b4feadca7b2bdd82459781a", kill_on_drop: false }`
[INFO] [stderr]     Checking outliers_table v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:152:7
[INFO] [stdout]     |
[INFO] [stdout] 152 |       drop(self.min_height_min_width_price);
[INFO] [stdout]     |       ^^^^^-------------------------------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 152 -       drop(self.min_height_min_width_price);
[INFO] [stdout] 152 +       let _ = self.min_height_min_width_price;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:153:7
[INFO] [stdout]     |
[INFO] [stdout] 153 |       drop(self.min_height_max_width_price);
[INFO] [stdout]     |       ^^^^^-------------------------------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 153 -       drop(self.min_height_max_width_price);
[INFO] [stdout] 153 +       let _ = self.min_height_max_width_price;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:154:7
[INFO] [stdout]     |
[INFO] [stdout] 154 |       drop(self.max_height_min_width_price);
[INFO] [stdout]     |       ^^^^^-------------------------------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 154 -       drop(self.max_height_min_width_price);
[INFO] [stdout] 154 +       let _ = self.max_height_min_width_price;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:155:7
[INFO] [stdout]     |
[INFO] [stdout] 155 |       drop(self.max_height_max_width_price);
[INFO] [stdout]     |       ^^^^^-------------------------------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 155 -       drop(self.max_height_max_width_price);
[INFO] [stdout] 155 +       let _ = self.max_height_max_width_price;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:156:7
[INFO] [stdout]     |
[INFO] [stdout] 156 |       drop(self.min_h);
[INFO] [stdout]     |       ^^^^^----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 156 -       drop(self.min_h);
[INFO] [stdout] 156 +       let _ = self.min_h;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:157:7
[INFO] [stdout]     |
[INFO] [stdout] 157 |       drop(self.max_h);
[INFO] [stdout]     |       ^^^^^----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 157 -       drop(self.max_h);
[INFO] [stdout] 157 +       let _ = self.max_h;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:158:7
[INFO] [stdout]     |
[INFO] [stdout] 158 |       drop(self.min_w);
[INFO] [stdout]     |       ^^^^^----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 158 -       drop(self.min_w);
[INFO] [stdout] 158 +       let _ = self.min_w;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:159:7
[INFO] [stdout]     |
[INFO] [stdout] 159 |       drop(self.max_w);
[INFO] [stdout]     |       ^^^^^----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 159 -       drop(self.max_w);
[INFO] [stdout] 159 +       let _ = self.max_w;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:160:7
[INFO] [stdout]     |
[INFO] [stdout] 160 |       drop(self.step_w);
[INFO] [stdout]     |       ^^^^^-----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 160 -       drop(self.step_w);
[INFO] [stdout] 160 +       let _ = self.step_w;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:161:7
[INFO] [stdout]     |
[INFO] [stdout] 161 |       drop(self.step_h);
[INFO] [stdout]     |       ^^^^^-----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 161 -       drop(self.step_h);
[INFO] [stdout] 161 +       let _ = self.step_h;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:162:7
[INFO] [stdout]     |
[INFO] [stdout] 162 |       drop(self.dist_w);
[INFO] [stdout]     |       ^^^^^-----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `f64`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 162 -       drop(self.dist_w);
[INFO] [stdout] 162 +       let _ = self.dist_w;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:163:7
[INFO] [stdout]     |
[INFO] [stdout] 163 |       drop(self.dist_h);
[INFO] [stdout]     |       ^^^^^-----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 163 -       drop(self.dist_h);
[INFO] [stdout] 163 +       let _ = self.dist_h;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:164:7
[INFO] [stdout]     |
[INFO] [stdout] 164 |       drop(self.cols_steps);
[INFO] [stdout]     |       ^^^^^---------------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `i64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 164 -       drop(self.cols_steps);
[INFO] [stdout] 164 +       let _ = self.cols_steps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:165:7
[INFO] [stdout]     |
[INFO] [stdout] 165 |       drop(self.rows_steps);
[INFO] [stdout]     |       ^^^^^---------------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `i64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 165 -       drop(self.rows_steps);
[INFO] [stdout] 165 +       let _ = self.rows_steps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:172:7
[INFO] [stdout]     |
[INFO] [stdout] 172 |       drop(&self.matrix);
[INFO] [stdout]     |       ^^^^^------------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&Vec<Vec<String>>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 172 -       drop(&self.matrix);
[INFO] [stdout] 172 +       let _ = &self.matrix;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:152:7
[INFO] [stdout]     |
[INFO] [stdout] 152 |       drop(self.min_height_min_width_price);
[INFO] [stdout]     |       ^^^^^-------------------------------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 152 -       drop(self.min_height_min_width_price);
[INFO] [stdout] 152 +       let _ = self.min_height_min_width_price;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:153:7
[INFO] [stdout]     |
[INFO] [stdout] 153 |       drop(self.min_height_max_width_price);
[INFO] [stdout]     |       ^^^^^-------------------------------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 153 -       drop(self.min_height_max_width_price);
[INFO] [stdout] 153 +       let _ = self.min_height_max_width_price;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:154:7
[INFO] [stdout]     |
[INFO] [stdout] 154 |       drop(self.max_height_min_width_price);
[INFO] [stdout]     |       ^^^^^-------------------------------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 154 -       drop(self.max_height_min_width_price);
[INFO] [stdout] 154 +       let _ = self.max_height_min_width_price;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:155:7
[INFO] [stdout]     |
[INFO] [stdout] 155 |       drop(self.max_height_max_width_price);
[INFO] [stdout]     |       ^^^^^-------------------------------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 155 -       drop(self.max_height_max_width_price);
[INFO] [stdout] 155 +       let _ = self.max_height_max_width_price;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:156:7
[INFO] [stdout]     |
[INFO] [stdout] 156 |       drop(self.min_h);
[INFO] [stdout]     |       ^^^^^----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 156 -       drop(self.min_h);
[INFO] [stdout] 156 +       let _ = self.min_h;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:157:7
[INFO] [stdout]     |
[INFO] [stdout] 157 |       drop(self.max_h);
[INFO] [stdout]     |       ^^^^^----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 157 -       drop(self.max_h);
[INFO] [stdout] 157 +       let _ = self.max_h;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:158:7
[INFO] [stdout]     |
[INFO] [stdout] 158 |       drop(self.min_w);
[INFO] [stdout]     |       ^^^^^----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 158 -       drop(self.min_w);
[INFO] [stdout] 158 +       let _ = self.min_w;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:159:7
[INFO] [stdout]     |
[INFO] [stdout] 159 |       drop(self.max_w);
[INFO] [stdout]     |       ^^^^^----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 159 -       drop(self.max_w);
[INFO] [stdout] 159 +       let _ = self.max_w;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:160:7
[INFO] [stdout]     |
[INFO] [stdout] 160 |       drop(self.step_w);
[INFO] [stdout]     |       ^^^^^-----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 160 -       drop(self.step_w);
[INFO] [stdout] 160 +       let _ = self.step_w;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:161:7
[INFO] [stdout]     |
[INFO] [stdout] 161 |       drop(self.step_h);
[INFO] [stdout]     |       ^^^^^-----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 161 -       drop(self.step_h);
[INFO] [stdout] 161 +       let _ = self.step_h;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:162:7
[INFO] [stdout]     |
[INFO] [stdout] 162 |       drop(self.dist_w);
[INFO] [stdout]     |       ^^^^^-----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `f64`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 162 -       drop(self.dist_w);
[INFO] [stdout] 162 +       let _ = self.dist_w;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:163:7
[INFO] [stdout]     |
[INFO] [stdout] 163 |       drop(self.dist_h);
[INFO] [stdout]     |       ^^^^^-----------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `f64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 163 -       drop(self.dist_h);
[INFO] [stdout] 163 +       let _ = self.dist_h;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:164:7
[INFO] [stdout]     |
[INFO] [stdout] 164 |       drop(self.cols_steps);
[INFO] [stdout]     |       ^^^^^---------------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `i64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 164 -       drop(self.cols_steps);
[INFO] [stdout] 164 +       let _ = self.cols_steps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:165:7
[INFO] [stdout]     |
[INFO] [stdout] 165 |       drop(self.rows_steps);
[INFO] [stdout]     |       ^^^^^---------------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `i64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 165 -       drop(self.rows_steps);
[INFO] [stdout] 165 +       let _ = self.rows_steps;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:172:7
[INFO] [stdout]     |
[INFO] [stdout] 172 |       drop(&self.matrix);
[INFO] [stdout]     |       ^^^^^------------^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            argument has type `&Vec<Vec<String>>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 172 -       drop(&self.matrix);
[INFO] [stdout] 172 +       let _ = &self.matrix;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "695b89735ed275ecf71d7c4b31ec6fbc16b8c63e1b4feadca7b2bdd82459781a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695b89735ed275ecf71d7c4b31ec6fbc16b8c63e1b4feadca7b2bdd82459781a", kill_on_drop: false }`
[INFO] [stdout] 695b89735ed275ecf71d7c4b31ec6fbc16b8c63e1b4feadca7b2bdd82459781a