Dec 18 18:03:04.837 INFO checking brassfibre-0.2.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 18:03:04.838 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/brassfibre/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 18:03:05.144 INFO [stdout] d1ec21865f893832002208067d1ef87ed11791b64450bc8715cd2487f697b2f7
Dec 18 18:03:05.152 INFO running `"docker" "start" "-a" "d1ec21865f893832002208067d1ef87ed11791b64450bc8715cd2487f697b2f7"`
Dec 18 18:03:06.608 INFO [stderr]     Checking nullvec v0.1.5
Dec 18 18:03:13.961 INFO [stderr]     Checking brassfibre v0.2.0 (/opt/crater/workdir)
Dec 18 18:03:14.940 INFO [stderr] warning: unused import: `Num`
Dec 18 18:03:14.940 INFO [stderr]  --> src/algos/computation.rs:5:11
Dec 18 18:03:14.940 INFO [stderr]   |
Dec 18 18:03:14.940 INFO [stderr] 5 | use num::{Num, Zero, Float, ToPrimitive};
Dec 18 18:03:14.940 INFO [stderr]   |           ^^^
Dec 18 18:03:14.940 INFO [stderr]   |
Dec 18 18:03:14.940 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 18:03:14.940 INFO [stderr] 
Dec 18 18:03:14.940 INFO [stderr] warning: unused import: `Borrow`
Dec 18 18:03:14.940 INFO [stderr]  --> src/algos/counter.rs:1:19
Dec 18 18:03:14.940 INFO [stderr]   |
Dec 18 18:03:14.940 INFO [stderr] 1 | use std::borrow::{Borrow, Cow};
Dec 18 18:03:14.940 INFO [stderr]   |                   ^^^^^^
Dec 18 18:03:14.940 INFO [stderr] 
Dec 18 18:03:14.940 INFO [stderr] warning: unused import: `nullvec::prelude::dev::algos::Sorter`
Dec 18 18:03:14.940 INFO [stderr]  --> src/block/mod.rs:7:5
Dec 18 18:03:14.940 INFO [stderr]   |
Dec 18 18:03:14.940 INFO [stderr] 7 | use nullvec::prelude::dev::algos::Sorter;
Dec 18 18:03:14.940 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:03:14.940 INFO [stderr] 
Dec 18 18:03:14.940 INFO [stderr] warning: unused import: `Num`
Dec 18 18:03:14.940 INFO [stderr]  --> src/block/aggregation.rs:1:11
Dec 18 18:03:14.940 INFO [stderr]   |
Dec 18 18:03:14.940 INFO [stderr] 1 | use num::{Num, Zero, ToPrimitive};
Dec 18 18:03:14.940 INFO [stderr]   |           ^^^
Dec 18 18:03:14.940 INFO [stderr] 
Dec 18 18:03:14.940 INFO [stderr] warning: unused import: `Num`
Dec 18 18:03:14.940 INFO [stderr]  --> src/block/groupby.rs:2:11
Dec 18 18:03:14.940 INFO [stderr]   |
Dec 18 18:03:14.940 INFO [stderr] 2 | use num::{Num, Zero, ToPrimitive};
Dec 18 18:03:14.940 INFO [stderr]   |           ^^^
Dec 18 18:03:14.940 INFO [stderr] 
Dec 18 18:03:15.088 INFO [stderr] warning: unused import: `Num`
Dec 18 18:03:15.088 INFO [stderr]  --> src/algos/computation.rs:5:11
Dec 18 18:03:15.088 INFO [stderr]   |
Dec 18 18:03:15.088 INFO [stderr] 5 | use num::{Num, Zero, Float, ToPrimitive};
Dec 18 18:03:15.088 INFO [stderr]   |           ^^^
Dec 18 18:03:15.088 INFO [stderr]   |
Dec 18 18:03:15.088 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 18:03:15.088 INFO [stderr] 
Dec 18 18:03:15.092 INFO [stderr] warning: unused import: `Borrow`
Dec 18 18:03:15.092 INFO [stderr]  --> src/algos/counter.rs:1:19
Dec 18 18:03:15.092 INFO [stderr]   |
Dec 18 18:03:15.092 INFO [stderr] 1 | use std::borrow::{Borrow, Cow};
Dec 18 18:03:15.092 INFO [stderr]   |                   ^^^^^^
Dec 18 18:03:15.092 INFO [stderr] 
Dec 18 18:03:15.099 INFO [stderr] warning: unused import: `nullvec::prelude::dev::algos::Sorter`
Dec 18 18:03:15.099 INFO [stderr]  --> src/block/mod.rs:7:5
Dec 18 18:03:15.099 INFO [stderr]   |
Dec 18 18:03:15.099 INFO [stderr] 7 | use nullvec::prelude::dev::algos::Sorter;
Dec 18 18:03:15.099 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:03:15.099 INFO [stderr] 
Dec 18 18:03:15.099 INFO [stderr] warning: unused import: `Num`
Dec 18 18:03:15.099 INFO [stderr]  --> src/block/aggregation.rs:1:11
Dec 18 18:03:15.099 INFO [stderr]   |
Dec 18 18:03:15.099 INFO [stderr] 1 | use num::{Num, Zero, ToPrimitive};
Dec 18 18:03:15.099 INFO [stderr]   |           ^^^
Dec 18 18:03:15.099 INFO [stderr] 
Dec 18 18:03:15.099 INFO [stderr] warning: unused import: `Num`
Dec 18 18:03:15.099 INFO [stderr]  --> src/block/groupby.rs:2:11
Dec 18 18:03:15.099 INFO [stderr]   |
Dec 18 18:03:15.099 INFO [stderr] 2 | use num::{Num, Zero, ToPrimitive};
Dec 18 18:03:15.099 INFO [stderr]   |           ^^^
Dec 18 18:03:15.099 INFO [stderr] 
Dec 18 18:03:17.968 INFO [stderr] warning: unused import: `IndexerIndex`
Dec 18 18:03:17.972 INFO [stderr]  --> src/block/reshape.rs:7:22
Dec 18 18:03:17.972 INFO [stderr]   |
Dec 18 18:03:17.972 INFO [stderr] 7 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join};
Dec 18 18:03:17.972 INFO [stderr]   |                      ^^^^^^^^^^^^
Dec 18 18:03:17.972 INFO [stderr] 
Dec 18 18:03:17.972 INFO [stderr] warning: unused import: `IndexerIndex`
Dec 18 18:03:17.972 INFO [stderr]   --> src/frame/reshape.rs:10:22
Dec 18 18:03:17.972 INFO [stderr]    |
Dec 18 18:03:17.972 INFO [stderr] 10 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join};
Dec 18 18:03:17.972 INFO [stderr]    |                      ^^^^^^^^^^^^
Dec 18 18:03:17.972 INFO [stderr] 
Dec 18 18:03:18.328 INFO [stderr] warning: unused variable: `label`
Dec 18 18:03:18.328 INFO [stderr]   --> src/block/mod.rs:50:26
Dec 18 18:03:18.328 INFO [stderr]    |
Dec 18 18:03:18.328 INFO [stderr] 50 |     fn loc<'l>(&'c self, label: &'l Self::Key) -> Self::Row {
Dec 18 18:03:18.328 INFO [stderr]    |                          ^^^^^ help: consider using `_label` instead
Dec 18 18:03:18.328 INFO [stderr]    |
Dec 18 18:03:18.328 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 18:03:18.328 INFO [stderr] 
Dec 18 18:03:18.328 INFO [stderr] warning: unused variable: `locaiton`
Dec 18 18:03:18.328 INFO [stderr]   --> src/block/mod.rs:54:27
Dec 18 18:03:18.328 INFO [stderr]    |
Dec 18 18:03:18.328 INFO [stderr] 54 |     fn iloc<'l>(&'c self, locaiton: &'l usize) -> Self::Row {
Dec 18 18:03:18.328 INFO [stderr]    |                           ^^^^^^^^ help: consider using `_locaiton` instead
Dec 18 18:03:18.328 INFO [stderr] 
Dec 18 18:03:18.328 INFO [stderr] warning: unused variable: `labels`
Dec 18 18:03:18.329 INFO [stderr]   --> src/block/mod.rs:77:28
Dec 18 18:03:18.329 INFO [stderr]    |
Dec 18 18:03:18.329 INFO [stderr] 77 |     fn blocs<'l>(&'c self, labels: &'l [bool]) -> Self {
Dec 18 18:03:18.329 INFO [stderr]    |                            ^^^^^^ help: consider using `_labels` instead
Dec 18 18:03:18.329 INFO [stderr] 
Dec 18 18:03:18.329 INFO [stderr] warning: unused variable: `label`
Dec 18 18:03:18.329 INFO [stderr]   --> src/frame/mod.rs:44:22
Dec 18 18:03:18.329 INFO [stderr]    |
Dec 18 18:03:18.329 INFO [stderr] 44 |     fn loc(&'c self, label: &Self::Key) -> Self::Row {
Dec 18 18:03:18.329 INFO [stderr]    |                      ^^^^^ help: consider using `_label` instead
Dec 18 18:03:18.329 INFO [stderr] 
Dec 18 18:03:18.329 INFO [stderr] warning: unused variable: `locaiton`
Dec 18 18:03:18.329 INFO [stderr]   --> src/frame/mod.rs:48:23
Dec 18 18:03:18.329 INFO [stderr]    |
Dec 18 18:03:18.329 INFO [stderr] 48 |     fn iloc(&'c self, locaiton: &usize) -> Self::Row {
Dec 18 18:03:18.329 INFO [stderr]    |                       ^^^^^^^^ help: consider using `_locaiton` instead
Dec 18 18:03:18.329 INFO [stderr] 
Dec 18 18:03:18.329 INFO [stderr] warning: unused variable: `labels`
Dec 18 18:03:18.329 INFO [stderr]   --> src/frame/mod.rs:71:21
Dec 18 18:03:18.329 INFO [stderr]    |
Dec 18 18:03:18.329 INFO [stderr] 71 |     fn blocs(&self, labels: &[bool]) -> Self {
Dec 18 18:03:18.329 INFO [stderr]    |                     ^^^^^^ help: consider using `_labels` instead
Dec 18 18:03:18.329 INFO [stderr] 
Dec 18 18:03:18.329 INFO [stderr] warning: unused variable: `label`
Dec 18 18:03:18.329 INFO [stderr]   --> src/frame/mod.rs:84:22
Dec 18 18:03:18.329 INFO [stderr]    |
Dec 18 18:03:18.329 INFO [stderr] 84 |     fn get(&'i self, label: &Self::Key) -> Self::Column {
Dec 18 18:03:18.329 INFO [stderr]    |                      ^^^^^ help: consider using `_label` instead
Dec 18 18:03:18.329 INFO [stderr] 
Dec 18 18:03:18.329 INFO [stderr] warning: unused variable: `loc`
Dec 18 18:03:18.329 INFO [stderr]   --> src/frame/mod.rs:88:23
Dec 18 18:03:18.329 INFO [stderr]    |
Dec 18 18:03:18.329 INFO [stderr] 88 |     fn iget(&'i self, loc: &usize) -> Self::Column {
Dec 18 18:03:18.329 INFO [stderr]    |                       ^^^ help: consider using `_loc` instead
Dec 18 18:03:18.329 INFO [stderr] 
Dec 18 18:03:18.329 INFO [stderr] warning: unused variable: `locations`
Dec 18 18:03:18.329 INFO [stderr]   --> src/indexer/mod.rs:80:28
Dec 18 18:03:18.329 INFO [stderr]    |
Dec 18 18:03:18.329 INFO [stderr] 80 |     fn ilocs_forced(&self, locations: &[usize]) -> Self {
Dec 18 18:03:18.329 INFO [stderr]    |                            ^^^^^^^^^ help: consider using `_locations` instead
Dec 18 18:03:18.329 INFO [stderr] 
Dec 18 18:03:18.715 INFO [stderr] warning: unused import: `IndexerIndex`
Dec 18 18:03:18.716 INFO [stderr]  --> src/block/reshape.rs:7:22
Dec 18 18:03:18.716 INFO [stderr]   |
Dec 18 18:03:18.716 INFO [stderr] 7 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join};
Dec 18 18:03:18.716 INFO [stderr]   |                      ^^^^^^^^^^^^
Dec 18 18:03:18.716 INFO [stderr] 
Dec 18 18:03:18.716 INFO [stderr] warning: unused import: `IndexerIndex`
Dec 18 18:03:18.716 INFO [stderr]   --> src/frame/reshape.rs:10:22
Dec 18 18:03:18.716 INFO [stderr]    |
Dec 18 18:03:18.717 INFO [stderr] 10 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join};
Dec 18 18:03:18.717 INFO [stderr]    |                      ^^^^^^^^^^^^
Dec 18 18:03:18.717 INFO [stderr] 
Dec 18 18:03:19.256 INFO [stderr] warning: unused variable: `label`
Dec 18 18:03:19.256 INFO [stderr]   --> src/block/mod.rs:50:26
Dec 18 18:03:19.256 INFO [stderr]    |
Dec 18 18:03:19.256 INFO [stderr] 50 |     fn loc<'l>(&'c self, label: &'l Self::Key) -> Self::Row {
Dec 18 18:03:19.256 INFO [stderr]    |                          ^^^^^ help: consider using `_label` instead
Dec 18 18:03:19.256 INFO [stderr]    |
Dec 18 18:03:19.256 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 18:03:19.256 INFO [stderr] 
Dec 18 18:03:19.256 INFO [stderr] warning: unused variable: `locaiton`
Dec 18 18:03:19.256 INFO [stderr]   --> src/block/mod.rs:54:27
Dec 18 18:03:19.256 INFO [stderr]    |
Dec 18 18:03:19.256 INFO [stderr] 54 |     fn iloc<'l>(&'c self, locaiton: &'l usize) -> Self::Row {
Dec 18 18:03:19.256 INFO [stderr]    |                           ^^^^^^^^ help: consider using `_locaiton` instead
Dec 18 18:03:19.256 INFO [stderr] 
Dec 18 18:03:19.256 INFO [stderr] warning: unused variable: `labels`
Dec 18 18:03:19.256 INFO [stderr]   --> src/block/mod.rs:77:28
Dec 18 18:03:19.256 INFO [stderr]    |
Dec 18 18:03:19.256 INFO [stderr] 77 |     fn blocs<'l>(&'c self, labels: &'l [bool]) -> Self {
Dec 18 18:03:19.256 INFO [stderr]    |                            ^^^^^^ help: consider using `_labels` instead
Dec 18 18:03:19.256 INFO [stderr] 
Dec 18 18:03:19.280 INFO [stderr] warning: unused variable: `label`
Dec 18 18:03:19.280 INFO [stderr]   --> src/frame/mod.rs:44:22
Dec 18 18:03:19.280 INFO [stderr]    |
Dec 18 18:03:19.280 INFO [stderr] 44 |     fn loc(&'c self, label: &Self::Key) -> Self::Row {
Dec 18 18:03:19.280 INFO [stderr]    |                      ^^^^^ help: consider using `_label` instead
Dec 18 18:03:19.280 INFO [stderr] 
Dec 18 18:03:19.280 INFO [stderr] warning: unused variable: `locaiton`
Dec 18 18:03:19.280 INFO [stderr]   --> src/frame/mod.rs:48:23
Dec 18 18:03:19.280 INFO [stderr]    |
Dec 18 18:03:19.280 INFO [stderr] 48 |     fn iloc(&'c self, locaiton: &usize) -> Self::Row {
Dec 18 18:03:19.280 INFO [stderr]    |                       ^^^^^^^^ help: consider using `_locaiton` instead
Dec 18 18:03:19.280 INFO [stderr] 
Dec 18 18:03:19.280 INFO [stderr] warning: unused variable: `labels`
Dec 18 18:03:19.280 INFO [stderr]   --> src/frame/mod.rs:71:21
Dec 18 18:03:19.280 INFO [stderr]    |
Dec 18 18:03:19.280 INFO [stderr] 71 |     fn blocs(&self, labels: &[bool]) -> Self {
Dec 18 18:03:19.280 INFO [stderr]    |                     ^^^^^^ help: consider using `_labels` instead
Dec 18 18:03:19.280 INFO [stderr] 
Dec 18 18:03:19.280 INFO [stderr] warning: unused variable: `label`
Dec 18 18:03:19.280 INFO [stderr]   --> src/frame/mod.rs:84:22
Dec 18 18:03:19.280 INFO [stderr]    |
Dec 18 18:03:19.280 INFO [stderr] 84 |     fn get(&'i self, label: &Self::Key) -> Self::Column {
Dec 18 18:03:19.280 INFO [stderr]    |                      ^^^^^ help: consider using `_label` instead
Dec 18 18:03:19.280 INFO [stderr] 
Dec 18 18:03:19.280 INFO [stderr] warning: unused variable: `loc`
Dec 18 18:03:19.280 INFO [stderr]   --> src/frame/mod.rs:88:23
Dec 18 18:03:19.280 INFO [stderr]    |
Dec 18 18:03:19.280 INFO [stderr] 88 |     fn iget(&'i self, loc: &usize) -> Self::Column {
Dec 18 18:03:19.280 INFO [stderr]    |                       ^^^ help: consider using `_loc` instead
Dec 18 18:03:19.280 INFO [stderr] 
Dec 18 18:03:19.280 INFO [stderr] warning: unused variable: `locations`
Dec 18 18:03:19.280 INFO [stderr]   --> src/indexer/mod.rs:80:28
Dec 18 18:03:19.280 INFO [stderr]    |
Dec 18 18:03:19.280 INFO [stderr] 80 |     fn ilocs_forced(&self, locations: &[usize]) -> Self {
Dec 18 18:03:19.280 INFO [stderr]    |                            ^^^^^^^^^ help: consider using `_locations` instead
Dec 18 18:03:19.280 INFO [stderr] 
Dec 18 18:03:20.000 INFO [stderr] warning: enum is never used: `Duplicates`
Dec 18 18:03:20.000 INFO [stderr]  --> src/algos/duplicates.rs:7:1
Dec 18 18:03:20.000 INFO [stderr]   |
Dec 18 18:03:20.000 INFO [stderr] 7 | pub enum Duplicates {
Dec 18 18:03:20.000 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Dec 18 18:03:20.000 INFO [stderr]   |
Dec 18 18:03:20.000 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 18:03:20.000 INFO [stderr] 
Dec 18 18:03:20.001 INFO [stderr] warning: method is never used: `duplicated`
Dec 18 18:03:20.001 INFO [stderr]   --> src/algos/duplicates.rs:14:5
Dec 18 18:03:20.001 INFO [stderr]    |
Dec 18 18:03:20.001 INFO [stderr] 14 | /     pub fn duplicated<T>(a: &[T], how: Duplicates) -> Vec<bool>
Dec 18 18:03:20.001 INFO [stderr] 15 | |         where T: Clone + Hash + Eq
Dec 18 18:03:20.001 INFO [stderr] 16 | |     {
Dec 18 18:03:20.001 INFO [stderr] 17 | |
Dec 18 18:03:20.001 INFO [stderr] ...  |
Dec 18 18:03:20.001 INFO [stderr] 22 | |         }
Dec 18 18:03:20.001 INFO [stderr] 23 | |     }
Dec 18 18:03:20.001 INFO [stderr]    | |_____^
Dec 18 18:03:20.001 INFO [stderr] 
Dec 18 18:03:20.001 INFO [stderr] warning: method is never used: `duplicated_keepfirst`
Dec 18 18:03:20.001 INFO [stderr]   --> src/algos/duplicates.rs:25:5
Dec 18 18:03:20.001 INFO [stderr]    |
Dec 18 18:03:20.001 INFO [stderr] 25 | /     fn duplicated_keepfirst<T>(a: &[T]) -> Vec<bool>
Dec 18 18:03:20.001 INFO [stderr] 26 | |         where T: Clone + Hash + Eq
Dec 18 18:03:20.001 INFO [stderr] 27 | |     {
Dec 18 18:03:20.001 INFO [stderr] 28 | |
Dec 18 18:03:20.001 INFO [stderr] ...  |
Dec 18 18:03:20.001 INFO [stderr] 41 | |         res
Dec 18 18:03:20.001 INFO [stderr] 42 | |     }
Dec 18 18:03:20.001 INFO [stderr]    | |_____^
Dec 18 18:03:20.001 INFO [stderr] 
Dec 18 18:03:20.001 INFO [stderr] warning: method is never used: `duplicated_keeplast`
Dec 18 18:03:20.001 INFO [stderr]   --> src/algos/duplicates.rs:44:5
Dec 18 18:03:20.001 INFO [stderr]    |
Dec 18 18:03:20.001 INFO [stderr] 44 | /     fn duplicated_keeplast<T>(a: &[T]) -> Vec<bool>
Dec 18 18:03:20.001 INFO [stderr] 45 | |         where T: Clone + Hash + Eq
Dec 18 18:03:20.001 INFO [stderr] 46 | |     {
Dec 18 18:03:20.001 INFO [stderr] 47 | |
Dec 18 18:03:20.001 INFO [stderr] ...  |
Dec 18 18:03:20.001 INFO [stderr] 65 | |         res
Dec 18 18:03:20.001 INFO [stderr] 66 | |     }
Dec 18 18:03:20.001 INFO [stderr]    | |_____^
Dec 18 18:03:20.002 INFO [stderr] 
Dec 18 18:03:20.002 INFO [stderr] warning: method is never used: `duplicated_keepnone`
Dec 18 18:03:20.002 INFO [stderr]   --> src/algos/duplicates.rs:68:5
Dec 18 18:03:20.002 INFO [stderr]    |
Dec 18 18:03:20.002 INFO [stderr] 68 | /     fn duplicated_keepnone<T>(a: &[T]) -> Vec<bool>
Dec 18 18:03:20.002 INFO [stderr] 69 | |         where T: Clone + Hash + Eq
Dec 18 18:03:20.002 INFO [stderr] 70 | |     {
Dec 18 18:03:20.002 INFO [stderr] 71 | |
Dec 18 18:03:20.002 INFO [stderr] ...  |
Dec 18 18:03:20.002 INFO [stderr] 89 | |         res
Dec 18 18:03:20.002 INFO [stderr] 90 | |     }
Dec 18 18:03:20.002 INFO [stderr]    | |_____^
Dec 18 18:03:20.002 INFO [stderr] 
Dec 18 18:03:20.002 INFO [stderr] warning: method is never used: `assert_binop`
Dec 18 18:03:20.002 INFO [stderr]    --> src/frame/mod.rs:174:5
Dec 18 18:03:20.002 INFO [stderr]     |
Dec 18 18:03:20.002 INFO [stderr] 174 |     fn assert_binop(&self, other: &Self) {
Dec 18 18:03:20.002 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:03:20.002 INFO [stderr] 
Dec 18 18:03:23.028 INFO [stderr] warning: method is never used: `assert_binop`
Dec 18 18:03:23.028 INFO [stderr]    --> src/frame/mod.rs:174:5
Dec 18 18:03:23.028 INFO [stderr]     |
Dec 18 18:03:23.028 INFO [stderr] 174 |     fn assert_binop(&self, other: &Self) {
Dec 18 18:03:23.028 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:03:23.028 INFO [stderr]     |
Dec 18 18:03:23.028 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 18:03:23.028 INFO [stderr] 
Dec 18 18:03:24.708 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 18:03:24.708 INFO [stderr]  --> tests/scalar.rs:1:1
Dec 18 18:03:24.708 INFO [stderr]   |
Dec 18 18:03:24.708 INFO [stderr] 1 | #[macro_use]
Dec 18 18:03:24.708 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 18:03:24.711 INFO [stderr]   |
Dec 18 18:03:24.711 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 18:03:24.711 INFO [stderr] 
Dec 18 18:03:26.738 INFO [stderr] warning: unused variable: `exp`
Dec 18 18:03:26.738 INFO [stderr]   --> tests/frame_aggregation.rs:12:9
Dec 18 18:03:26.738 INFO [stderr]    |
Dec 18 18:03:26.738 INFO [stderr] 12 |     let exp: Series<Scalar, &str> = Series::new(vec![Scalar::i64(15), Scalar::f64(40.)],
Dec 18 18:03:26.738 INFO [stderr]    |         ^^^ help: consider using `_exp` instead
Dec 18 18:03:26.738 INFO [stderr]    |
Dec 18 18:03:26.738 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 18:03:26.738 INFO [stderr] 
Dec 18 18:03:26.738 INFO [stderr] warning: unused variable: `exp`
Dec 18 18:03:26.738 INFO [stderr]   --> tests/frame_aggregation.rs:36:9
Dec 18 18:03:26.738 INFO [stderr]    |
Dec 18 18:03:26.738 INFO [stderr] 36 |     let exp: Series<f64, &str> = Series::new(vec![1., 6.], vec!["X", "Y"]);
Dec 18 18:03:26.738 INFO [stderr]    |         ^^^ help: consider using `_exp` instead
Dec 18 18:03:26.738 INFO [stderr] 
Dec 18 18:03:26.738 INFO [stderr] warning: unused variable: `exp`
Dec 18 18:03:26.738 INFO [stderr]   --> tests/frame_aggregation.rs:39:9
Dec 18 18:03:26.738 INFO [stderr]    |
Dec 18 18:03:26.738 INFO [stderr] 39 |     let exp: Series<f64, &str> = Series::new(vec![5., 10.], vec!["X", "Y"]);
Dec 18 18:03:26.738 INFO [stderr]    |         ^^^ help: consider using `_exp` instead
Dec 18 18:03:26.738 INFO [stderr] 
Dec 18 18:03:26.738 INFO [stderr] warning: unused variable: `exp`
Dec 18 18:03:26.738 INFO [stderr]   --> tests/frame_aggregation.rs:57:9
Dec 18 18:03:26.738 INFO [stderr]    |
Dec 18 18:03:26.738 INFO [stderr] 57 |     let exp: Series<Scalar, &str> = Series::new(vec![Scalar::i64(14),
Dec 18 18:03:26.738 INFO [stderr]    |         ^^^ help: consider using `_exp` instead
Dec 18 18:03:26.738 INFO [stderr] 
Dec 18 18:03:26.738 INFO [stderr] warning: unused variable: `exp`
Dec 18 18:03:26.738 INFO [stderr]   --> tests/frame_aggregation.rs:85:9
Dec 18 18:03:26.738 INFO [stderr]    |
Dec 18 18:03:26.738 INFO [stderr] 85 |     let exp: Series<Scalar, &str> = Series::new(vec![Scalar::i64(-2), Scalar::f64(3.1)],
Dec 18 18:03:26.738 INFO [stderr]    |         ^^^ help: consider using `_exp` instead
Dec 18 18:03:26.738 INFO [stderr] 
Dec 18 18:03:26.738 INFO [stderr] warning: unused variable: `exp`
Dec 18 18:03:26.738 INFO [stderr]   --> tests/frame_aggregation.rs:89:9
Dec 18 18:03:26.739 INFO [stderr]    |
Dec 18 18:03:26.739 INFO [stderr] 89 |     let exp: Series<Scalar, &str> = Series::new(vec![Scalar::i64(7), Scalar::f64(10.)],
Dec 18 18:03:26.739 INFO [stderr]    |         ^^^ help: consider using `_exp` instead
Dec 18 18:03:26.739 INFO [stderr] 
Dec 18 18:03:26.988 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.45s
Dec 18 18:03:27.261 INFO running `"docker" "inspect" "d1ec21865f893832002208067d1ef87ed11791b64450bc8715cd2487f697b2f7"`
Dec 18 18:03:27.491 INFO running `"docker" "rm" "-f" "d1ec21865f893832002208067d1ef87ed11791b64450bc8715cd2487f697b2f7"`
Dec 18 18:03:27.759 INFO [stdout] d1ec21865f893832002208067d1ef87ed11791b64450bc8715cd2487f697b2f7