[INFO] crate brassfibre 0.2.0 is already in cache [INFO] extracting crate brassfibre 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/brassfibre/0.2.0 [INFO] extracting crate brassfibre 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/brassfibre/0.2.0 [INFO] validating manifest of brassfibre-0.2.0 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of brassfibre-0.2.0 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing brassfibre-0.2.0 [INFO] finished frobbing brassfibre-0.2.0 [INFO] frobbed toml for brassfibre-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/brassfibre/0.2.0/Cargo.toml [INFO] started frobbing brassfibre-0.2.0 [INFO] finished frobbing brassfibre-0.2.0 [INFO] frobbed toml for brassfibre-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/brassfibre/0.2.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing brassfibre-0.2.0 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 09e59a0fb2ef1fb3ff535704abe366f1bfc6c05c2a4a59816ab2898c06a5c31a [INFO] running `"docker" "start" "-a" "09e59a0fb2ef1fb3ff535704abe366f1bfc6c05c2a4a59816ab2898c06a5c31a"` [INFO] [stderr] Compiling nullvec v0.1.5 [INFO] [stderr] Compiling brassfibre v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `Num` [INFO] [stderr] --> src/algos/computation.rs:5:11 [INFO] [stderr] | [INFO] [stderr] 5 | use num::{Num, Zero, Float, ToPrimitive}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Borrow` [INFO] [stderr] --> src/algos/counter.rs:1:19 [INFO] [stderr] | [INFO] [stderr] 1 | use std::borrow::{Borrow, Cow}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `nullvec::prelude::dev::algos::Sorter` [INFO] [stderr] --> src/block/mod.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use nullvec::prelude::dev::algos::Sorter; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Num` [INFO] [stderr] --> src/block/aggregation.rs:1:11 [INFO] [stderr] | [INFO] [stderr] 1 | use num::{Num, Zero, ToPrimitive}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Num` [INFO] [stderr] --> src/block/groupby.rs:2:11 [INFO] [stderr] | [INFO] [stderr] 2 | use num::{Num, Zero, ToPrimitive}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/block/groupby.rs:30:38 [INFO] [stderr] | [INFO] [stderr] 30 | fn apply<'f>(&'c self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self::In) -> Self::FOut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/block/mod.rs:295:38 [INFO] [stderr] | [INFO] [stderr] 295 | fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self::In) -> Self::FOut` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/series/groupby.rs:29:38 [INFO] [stderr] | [INFO] [stderr] 29 | fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self::In) -> Self::FOut` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/series/mod.rs:156:38 [INFO] [stderr] | [INFO] [stderr] 156 | fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self::In) -> Self::FOut` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/traits.rs:109:38 [INFO] [stderr] | [INFO] [stderr] 109 | fn apply<'f>(&'s self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self::In) -> Self::FOut` [INFO] [stderr] [INFO] [stderr] warning: unused import: `IndexerIndex` [INFO] [stderr] --> src/block/reshape.rs:7:22 [INFO] [stderr] | [INFO] [stderr] 7 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `IndexerIndex` [INFO] [stderr] --> src/frame/reshape.rs:10:22 [INFO] [stderr] | [INFO] [stderr] 10 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `label` [INFO] [stderr] --> src/block/mod.rs:50:26 [INFO] [stderr] | [INFO] [stderr] 50 | fn loc<'l>(&'c self, label: &'l Self::Key) -> Self::Row { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_label` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `locaiton` [INFO] [stderr] --> src/block/mod.rs:54:27 [INFO] [stderr] | [INFO] [stderr] 54 | fn iloc<'l>(&'c self, locaiton: &'l usize) -> Self::Row { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_locaiton` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `labels` [INFO] [stderr] --> src/block/mod.rs:77:28 [INFO] [stderr] | [INFO] [stderr] 77 | fn blocs<'l>(&'c self, labels: &'l [bool]) -> Self { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_labels` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `label` [INFO] [stderr] --> src/frame/mod.rs:44:22 [INFO] [stderr] | [INFO] [stderr] 44 | fn loc(&'c self, label: &Self::Key) -> Self::Row { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_label` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `locaiton` [INFO] [stderr] --> src/frame/mod.rs:48:23 [INFO] [stderr] | [INFO] [stderr] 48 | fn iloc(&'c self, locaiton: &usize) -> Self::Row { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_locaiton` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `labels` [INFO] [stderr] --> src/frame/mod.rs:71:21 [INFO] [stderr] | [INFO] [stderr] 71 | fn blocs(&self, labels: &[bool]) -> Self { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_labels` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `label` [INFO] [stderr] --> src/frame/mod.rs:84:22 [INFO] [stderr] | [INFO] [stderr] 84 | fn get(&'i self, label: &Self::Key) -> Self::Column { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_label` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `loc` [INFO] [stderr] --> src/frame/mod.rs:88:23 [INFO] [stderr] | [INFO] [stderr] 88 | fn iget(&'i self, loc: &usize) -> Self::Column { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_loc` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `locations` [INFO] [stderr] --> src/indexer/mod.rs:80:28 [INFO] [stderr] | [INFO] [stderr] 80 | fn ilocs_forced(&self, locations: &[usize]) -> Self { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_locations` [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Duplicates` [INFO] [stderr] --> src/algos/duplicates.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub enum Duplicates { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `duplicated` [INFO] [stderr] --> src/algos/duplicates.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | / pub fn duplicated(a: &[T], how: Duplicates) -> Vec [INFO] [stderr] 15 | | where T: Clone + Hash + Eq [INFO] [stderr] 16 | | { [INFO] [stderr] 17 | | [INFO] [stderr] ... | [INFO] [stderr] 22 | | } [INFO] [stderr] 23 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `duplicated_keepfirst` [INFO] [stderr] --> src/algos/duplicates.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | / fn duplicated_keepfirst(a: &[T]) -> Vec [INFO] [stderr] 26 | | where T: Clone + Hash + Eq [INFO] [stderr] 27 | | { [INFO] [stderr] 28 | | [INFO] [stderr] ... | [INFO] [stderr] 41 | | res [INFO] [stderr] 42 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `duplicated_keeplast` [INFO] [stderr] --> src/algos/duplicates.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | / fn duplicated_keeplast(a: &[T]) -> Vec [INFO] [stderr] 45 | | where T: Clone + Hash + Eq [INFO] [stderr] 46 | | { [INFO] [stderr] 47 | | [INFO] [stderr] ... | [INFO] [stderr] 65 | | res [INFO] [stderr] 66 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `duplicated_keepnone` [INFO] [stderr] --> src/algos/duplicates.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | / fn duplicated_keepnone(a: &[T]) -> Vec [INFO] [stderr] 69 | | where T: Clone + Hash + Eq [INFO] [stderr] 70 | | { [INFO] [stderr] 71 | | [INFO] [stderr] ... | [INFO] [stderr] 89 | | res [INFO] [stderr] 90 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `assert_binop` [INFO] [stderr] --> src/frame/mod.rs:174:5 [INFO] [stderr] | [INFO] [stderr] 174 | fn assert_binop(&self, other: &Self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.97s [INFO] running `"docker" "inspect" "09e59a0fb2ef1fb3ff535704abe366f1bfc6c05c2a4a59816ab2898c06a5c31a"` [INFO] running `"docker" "rm" "-f" "09e59a0fb2ef1fb3ff535704abe366f1bfc6c05c2a4a59816ab2898c06a5c31a"` [INFO] [stdout] 09e59a0fb2ef1fb3ff535704abe366f1bfc6c05c2a4a59816ab2898c06a5c31a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] fbaea2d3e8821dc116fd614aac2b75f5137b36f4a7ae6d01ab923f6191c59e33 [INFO] running `"docker" "start" "-a" "fbaea2d3e8821dc116fd614aac2b75f5137b36f4a7ae6d01ab923f6191c59e33"` [INFO] [stderr] Compiling brassfibre v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> tests/scalar.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Num` [INFO] [stderr] --> src/algos/computation.rs:5:11 [INFO] [stderr] | [INFO] [stderr] 5 | use num::{Num, Zero, Float, ToPrimitive}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Borrow` [INFO] [stderr] --> src/algos/counter.rs:1:19 [INFO] [stderr] | [INFO] [stderr] 1 | use std::borrow::{Borrow, Cow}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `nullvec::prelude::dev::algos::Sorter` [INFO] [stderr] --> src/block/mod.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use nullvec::prelude::dev::algos::Sorter; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Num` [INFO] [stderr] --> src/block/aggregation.rs:1:11 [INFO] [stderr] | [INFO] [stderr] 1 | use num::{Num, Zero, ToPrimitive}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Num` [INFO] [stderr] --> src/block/groupby.rs:2:11 [INFO] [stderr] | [INFO] [stderr] 2 | use num::{Num, Zero, ToPrimitive}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/block/groupby.rs:30:38 [INFO] [stderr] | [INFO] [stderr] 30 | fn apply<'f>(&'c self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self::In) -> Self::FOut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/block/mod.rs:295:38 [INFO] [stderr] | [INFO] [stderr] 295 | fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self::In) -> Self::FOut` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/series/groupby.rs:29:38 [INFO] [stderr] | [INFO] [stderr] 29 | fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self::In) -> Self::FOut` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/series/mod.rs:156:38 [INFO] [stderr] | [INFO] [stderr] 156 | fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self::In) -> Self::FOut` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/traits.rs:109:38 [INFO] [stderr] | [INFO] [stderr] 109 | fn apply<'f>(&'s self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self::In) -> Self::FOut` [INFO] [stderr] [INFO] [stderr] warning: unused import: `IndexerIndex` [INFO] [stderr] --> src/block/reshape.rs:7:22 [INFO] [stderr] | [INFO] [stderr] 7 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `IndexerIndex` [INFO] [stderr] --> src/frame/reshape.rs:10:22 [INFO] [stderr] | [INFO] [stderr] 10 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `label` [INFO] [stderr] --> src/block/mod.rs:50:26 [INFO] [stderr] | [INFO] [stderr] 50 | fn loc<'l>(&'c self, label: &'l Self::Key) -> Self::Row { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_label` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `locaiton` [INFO] [stderr] --> src/block/mod.rs:54:27 [INFO] [stderr] | [INFO] [stderr] 54 | fn iloc<'l>(&'c self, locaiton: &'l usize) -> Self::Row { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_locaiton` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `labels` [INFO] [stderr] --> src/block/mod.rs:77:28 [INFO] [stderr] | [INFO] [stderr] 77 | fn blocs<'l>(&'c self, labels: &'l [bool]) -> Self { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_labels` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `label` [INFO] [stderr] --> src/frame/mod.rs:44:22 [INFO] [stderr] | [INFO] [stderr] 44 | fn loc(&'c self, label: &Self::Key) -> Self::Row { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_label` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `locaiton` [INFO] [stderr] --> src/frame/mod.rs:48:23 [INFO] [stderr] | [INFO] [stderr] 48 | fn iloc(&'c self, locaiton: &usize) -> Self::Row { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_locaiton` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `labels` [INFO] [stderr] --> src/frame/mod.rs:71:21 [INFO] [stderr] | [INFO] [stderr] 71 | fn blocs(&self, labels: &[bool]) -> Self { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_labels` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `label` [INFO] [stderr] --> src/frame/mod.rs:84:22 [INFO] [stderr] | [INFO] [stderr] 84 | fn get(&'i self, label: &Self::Key) -> Self::Column { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_label` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `loc` [INFO] [stderr] --> src/frame/mod.rs:88:23 [INFO] [stderr] | [INFO] [stderr] 88 | fn iget(&'i self, loc: &usize) -> Self::Column { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_loc` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `locations` [INFO] [stderr] --> src/indexer/mod.rs:80:28 [INFO] [stderr] | [INFO] [stderr] 80 | fn ilocs_forced(&self, locations: &[usize]) -> Self { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_locations` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `exp` [INFO] [stderr] --> tests/frame_aggregation.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let exp: Series = Series::new(vec![Scalar::i64(15), Scalar::f64(40.)], [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_exp` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `exp` [INFO] [stderr] --> tests/frame_aggregation.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let exp: Series = Series::new(vec![1., 6.], vec!["X", "Y"]); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_exp` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `exp` [INFO] [stderr] --> tests/frame_aggregation.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | let exp: Series = Series::new(vec![5., 10.], vec!["X", "Y"]); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_exp` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `exp` [INFO] [stderr] --> tests/frame_aggregation.rs:57:9 [INFO] [stderr] | [INFO] [stderr] 57 | let exp: Series = Series::new(vec![Scalar::i64(14), [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_exp` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `exp` [INFO] [stderr] --> tests/frame_aggregation.rs:85:9 [INFO] [stderr] | [INFO] [stderr] 85 | let exp: Series = Series::new(vec![Scalar::i64(-2), Scalar::f64(3.1)], [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_exp` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `exp` [INFO] [stderr] --> tests/frame_aggregation.rs:89:9 [INFO] [stderr] | [INFO] [stderr] 89 | let exp: Series = Series::new(vec![Scalar::i64(7), Scalar::f64(10.)], [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_exp` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `assert_binop` [INFO] [stderr] --> src/frame/mod.rs:174:5 [INFO] [stderr] | [INFO] [stderr] 174 | fn assert_binop(&self, other: &Self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.34s [INFO] running `"docker" "inspect" "fbaea2d3e8821dc116fd614aac2b75f5137b36f4a7ae6d01ab923f6191c59e33"` [INFO] running `"docker" "rm" "-f" "fbaea2d3e8821dc116fd614aac2b75f5137b36f4a7ae6d01ab923f6191c59e33"` [INFO] [stdout] fbaea2d3e8821dc116fd614aac2b75f5137b36f4a7ae6d01ab923f6191c59e33 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] e8b010ef9a8d8ed762117d3e4557918d51238ea6fb5673bd7718f62d35bb1c36 [INFO] running `"docker" "start" "-a" "e8b010ef9a8d8ed762117d3e4557918d51238ea6fb5673bd7718f62d35bb1c36"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/brassfibre-af9803737f29b155 [INFO] [stdout] [INFO] [stdout] running 92 tests [INFO] [stdout] test algos::computation::tests::test_vec_mean_i64 ... ok [INFO] [stdout] test algos::computation::tests::test_vec_mimnax_float ... ok [INFO] [stdout] test algos::computation::tests::test_vec_mean_f64 ... ok [INFO] [stdout] test algos::computation::tests::test_vec_count_f64 ... ok [INFO] [stdout] test algos::computation::tests::test_vec_mimnax ... ok [INFO] [stdout] test algos::computation::tests::test_scalar_minmax ... ok [INFO] [stdout] test algos::computation::tests::test_vec_count_str ... ok [INFO] [stdout] test algos::computation::tests::test_vec_sum_f64 ... ok [INFO] [stdout] test algos::computation::tests::test_vec_sum_i64 ... ok [INFO] [stdout] test algos::computation::tests::test_vec_var ... ok [INFO] [stdout] test algos::duplicates::tests::test_vec_duplicates_str ... ok [INFO] [stdout] test algos::grouper::tests::test_vec_groupby_int ... ok [INFO] [stdout] test algos::duplicates::tests::test_vec_duplicates_int ... ok [INFO] [stdout] test algos::join::tests::test_vec_inner_join ... ok [INFO] [stdout] test algos::grouper::tests::test_vec_groupby_str ... ok [INFO] [stdout] test algos::join::tests::test_vec_inner_join_string ... ok [INFO] [stdout] test algos::join::tests::test_vec_left_join ... ok [INFO] [stdout] test algos::counter::tests::test_counter_empty ... ok [INFO] [stdout] test algos::join::tests::test_vec_left_join_string ... ok [INFO] [stdout] test algos::counter::tests::test_counter_int ... ok [INFO] [stdout] test algos::counter::tests::test_counter_int_dup ... ok [INFO] [stdout] test algos::join::tests::test_vec_outer_join ... ok [INFO] [stdout] test algos::join::tests::test_vec_right_join ... ok [INFO] [stdout] test algos::counter::tests::test_counter_str ... ok [INFO] [stdout] test algos::join::tests::test_vec_outer_join_string ... ok [INFO] [stdout] test algos::computation::tests::test_vec_std ... ok [INFO] [stdout] test algos::counter::tests::test_counter_string ... ok [INFO] [stdout] test algos::join::tests::test_vec_right_join_string ... ok [INFO] [stdout] test algos::set::tests::test_union ... ok [INFO] [stdout] test block::ops::tests::test_block_ops_bool_elemwise_logical ... ok [INFO] [stdout] test block::ops::tests::test_block_ops_f64_broadcast_move ... ok [INFO] [stdout] test block::ops::tests::test_block_ops_f64_elemwise_move ... ok [INFO] [stdout] test block::ops::tests::test_block_ops_f64_broadcast_refs ... ok [INFO] [stdout] test block::ops::tests::test_block_ops_f64_broadcast ... ok [INFO] [stdout] test block::ops::tests::test_block_ops_i64_elemwise_move ... ok [INFO] [stdout] test block::ops::tests::test_block_ops_i64_elemwise_refs ... ok [INFO] [stdout] test formatting::tests::test_to_string_vector_float ... ok [INFO] [stdout] test block::ops::tests::test_block_ops_f64_elemwise ... ok [INFO] [stdout] test formatting::tests::test_to_pad_string_vector_with_header ... ok [INFO] [stdout] test formatting::tests::test_to_string_vector_str ... ok [INFO] [stdout] test frame::tests::test_block_add_columns ... ok [INFO] [stdout] test block::ops::tests::test_block_ops_f64_elemwise_refs ... ok [INFO] [stdout] test block::ops::tests::test_block_ops_i64_broadcast_refs ... ok [INFO] [stdout] test block::ops::tests::test_block_ops_i64_broadcast_move ... ok [INFO] [stdout] test block::ops::tests::test_block_ops_i64_broadcast ... ok [INFO] [stdout] test frame::tests::test_block_creation_from_vec ... ok [INFO] [stdout] test formatting::tests::test_to_string_vector_int ... ok [INFO] [stdout] test frame::tests::test_block_slice_ilocs ... ok [INFO] [stdout] test frame::tests::test_block_slice_locs ... ok [INFO] [stdout] test indexer::convert::tests::test_string_vec_to_indexer ... ok [INFO] [stdout] test block::ops::tests::test_block_ops_i64_elemwise ... ok [INFO] [stdout] test frame::tests::test_block_columns_slice ... ok [INFO] [stdout] test indexer::indexing::tests::test_indexing_int64 ... ok [INFO] [stdout] test indexer::convert::tests::test_i64_vec_to_indexer ... ok [INFO] [stdout] test indexer::convert::tests::test_str_indexer_to_vec ... ok [INFO] [stdout] test indexer::convert::tests::test_i64_indexer_to_vec ... ok [INFO] [stdout] test indexer::convert::tests::test_str_vec_to_indexer ... ok [INFO] [stdout] test indexer::indexing::tests::test_indexing_str ... ok [INFO] [stdout] test indexer::convert::tests::test_string_indexer_to_vec ... ok [INFO] [stdout] test indexer::ops::tests::test_index_ops_i64_broadcast_refs ... ok [INFO] [stdout] test indexer::sort::tests::test_index_argsort_int ... ok [INFO] [stdout] test indexer::ops::tests::test_index_ops_i64_elemwise ... ok [INFO] [stdout] test indexer::sort::tests::test_index_argsort_str ... ok [INFO] [stdout] test indexer::ops::tests::test_index_ops_i64_broadcast ... ok [INFO] [stdout] test series::convert::tests::test_into_vec_int ... ok [INFO] [stdout] test series::convert::tests::test_into_vec_str ... ok [INFO] [stdout] test series::groupby::tests::test_series_agg_sum_integer_grouper ... ok [INFO] [stdout] test series::groupby::tests::test_series_agg_sum_str_grouper ... ok [INFO] [stdout] test series::groupby::tests::test_series_get_group ... ok [INFO] [stdout] test indexer::sort::tests::test_index_sort_int ... ok [INFO] [stdout] test series::convert::tests::test_from_vec_int ... ok [INFO] [stdout] test series::convert::tests::test_from_vec_str ... ok [INFO] [stdout] test indexer::ops::tests::test_index_ops_i64_elemwise_refs ... ok [INFO] [stdout] test indexer::sort::tests::test_index_sort_str ... ok [INFO] [stdout] test series::ops::tests::test_series_ops_bool_broadcast_logical ... ok [INFO] [stdout] test series::ops::tests::test_series_ops_f64_broadcast_move ... ok [INFO] [stdout] test series::ops::tests::test_series_ops_f64_broadcast_refs ... ok [INFO] [stdout] test series::ops::tests::test_series_ops_f64_elemwise ... ok [INFO] [stdout] test series::ops::tests::test_series_ops_f64_broadcast ... ok [INFO] [stdout] test series::ops::tests::test_series_ops_bool_elemwise_logical ... ok [INFO] [stdout] test series::ops::tests::test_series_ops_i64_broadcast ... ok [INFO] [stdout] test series::ops::tests::test_series_ops_i64_broadcast_move ... ok [INFO] [stdout] test series::ops::tests::test_series_ops_i64_broadcast_refs ... ok [INFO] [stdout] test series::ops::tests::test_series_ops_i64_elemwise ... ok [INFO] [stdout] test series::ops::tests::test_series_ops_f64_elemwise_refs ... ok [INFO] [stdout] test series::ops::tests::test_series_ops_f64_elemwise_move ... ok [INFO] [stdout] test series::ops::tests::test_series_ops_i64_elemwise_move ... ok [INFO] [stdout] test series::sort::tests::test_sort_index_int ... ok [INFO] [stdout] test series::sort::tests::test_sort_index_str ... ok [INFO] [stdout] test series::ops::tests::test_series_ops_i64_elemwise_refs ... ok [INFO] [stdout] test indexer::indexing::tests::test_indexing_int64_invalid ... ok [INFO] [stdout] test indexer::indexing::tests::test_indexing_str_invalid ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 92 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/array-e1e2fd5dd75cbebf [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test test_blocs ... ok [INFO] [stdout] test test_clone ... ok [INFO] [stdout] test test_append ... ok [INFO] [stdout] test test_astype ... ok [INFO] [stdout] test test_container ... ok [INFO] [stdout] test test_dtype_property ... ok [INFO] [stdout] test test_creation_macros ... ok [INFO] [stdout] test test_creation ... ok [INFO] [stdout] test test_eq ... ok [INFO] [stdout] test test_ilocs ... ok [INFO] [stdout] test test_ilocs_panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/array_aggregation-cc21fd82b69904be [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test_aggregation_int64 ... ok [INFO] [stdout] test test_aggregation_float64 ... ok [INFO] [stdout] test test_aggregation_min_should_panic ... ok [INFO] [stderr] Running /opt/crater/target/debug/deps/block-afe9bc33deafda07 [INFO] [stdout] test test_aggregation_mean_should_panic ... ok [INFO] [stdout] test test_aggregation_sum_should_panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 19 tests [INFO] [stdout] test test_block_creation_from_vec ... ok [INFO] [stdout] test test_block_creation_from_series ... ok [INFO] [stdout] test test_block_creation_from_row_vec ... ok [INFO] [stdout] test test_block_creation_from_nested_vec ... ok [INFO] [stdout] test test_block_into_iter ... ok [INFO] [stdout] test test_block_iter ... ok [INFO] [stdout] test test_block_reindex ... ok [INFO] [stdout] test test_block_reindex_by_index ... ok [INFO] [stdout] test test_block_head_tail ... ok [INFO] [stdout] test test_block_columns_get ... ok [INFO] [stdout] test test_block_creation_into ... ok [INFO] [stdout] test test_block_creation_from_col_vec ... ok [INFO] [stdout] test test_block_transpose ... ok [INFO] [stdout] test test_block_columns_slice ... ok [INFO] [stdout] test test_insert ... ok [INFO] [stdout] test test_slice_ilocs ... ok [INFO] [stdout] test test_slice_locs ... ok [INFO] [stdout] test test_block_reindex_by_index_panic ... ok [INFO] [stdout] test test_block_reindex_panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/block_aggregation-fa2f7f744f3349ef [INFO] [stderr] Running /opt/crater/target/debug/deps/block_groupby-91912908cfe5259f [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/block_reshape-6ab4694d77464f89 [INFO] [stdout] running 4 tests [INFO] [stdout] test test_describe_float ... ok [INFO] [stdout] test test_block_sum ... ok [INFO] [stdout] test test_minmax_float ... ok [INFO] [stdout] test test_minmax_int ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test_block_agg2 ... ok [INFO] [stdout] test test_block_agg ... ok [INFO] [stdout] test test_block_get_group ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test_block_append ... ok [INFO] [stdout] test test_block_concat ... ok [INFO] [stdout] test test_block_join ... ok [INFO] [stdout] test test_block_concat_panic ... ok [INFO] [stdout] test test_block_append_failure ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/format-6c5e2b9892769e56 [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test test_block_format ... ok [INFO] [stdout] test test_dataframe_format ... ok [INFO] [stdout] test test_dataframe_format_debug ... ok [INFO] [stdout] test test_series_format_debug ... ok [INFO] [stdout] test test_block_format_debug ... ok [INFO] [stdout] test test_series_format ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/frame-e8be502d04246951 [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test test_frame_into_iter ... ok [INFO] [stdout] test test_frame_iter ... ok [INFO] [stdout] test test_frame_add_columns ... ok [INFO] [stdout] test test_frame_creation_from_vec ... ok [INFO] [stdout] test test_frame_columns_slice ... ok [INFO] [stdout] test test_frame_slice_locs ... ok [INFO] [stdout] test test_frame_properties ... ok [INFO] [stdout] test test_frame_slice_ilocs ... ok [INFO] [stdout] test test_frame_slice_locs_panic ... ok [INFO] [stdout] test test_frame_slice_ilocs_panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/frame_aggregation-08b8601d06c0ca76 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test_frame_agg ... ok [INFO] [stderr] Running /opt/crater/target/debug/deps/frame_groupby-71e3e29cee7e31cd [INFO] [stdout] test test_frame_describe ... ok [INFO] [stdout] test test_frame_agg_non_numerics ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/frame_reshape-21eb74457bfce0e6 [INFO] [stdout] running 1 test [INFO] [stdout] test test_frame_get_group ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test test_dataframe_concat ... ok [INFO] [stdout] test test_block_join ... ok [INFO] [stdout] test test_dataframe_append ... ok [INFO] [stdout] test test_dataframe_append_different_columns ... ok [INFO] [stdout] test test_block_concat_panic ... ok [INFO] [stdout] test test_dataframe_append_different_dtype ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/indexer-ea6688262d6ff8d3 [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test test_equals ... ok [INFO] [stdout] test test_copy ... ok [INFO] [stdout] test test_index_creation_str ... ok [INFO] [stdout] test test_index_creation_int64 ... ok [INFO] [stdout] test test_index_creation_from_len ... ok [INFO] [stdout] test test_index_creation_string ... ok [INFO] [stdout] test test_index_from_iter ... ok [INFO] [stdout] test test_index_into_iter ... ok [INFO] [stdout] test test_index_iter ... ok [INFO] [stdout] test test_index_iloc_ilocs ... ok [INFO] [stdout] test test_index_append ... ok [INFO] [stderr] Running /opt/crater/target/debug/deps/io_csv-452bbfacc07f1527 [INFO] [stdout] test test_index_loc_str ... ok [INFO] [stdout] test test_index_push ... ok [INFO] [stdout] test test_reindex ... ok [INFO] [stdout] test test_index_loc_int64 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test test_read_csv_no_header ... ok [INFO] [stdout] test test_read_csv_error_different_items ... ok [INFO] [stdout] test test_read_csv_with_header ... ok [INFO] [stdout] test test_empty ... ok [INFO] [stdout] test test_write_csv ... ok [INFO] [stdout] test test_file_io ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_file_io stdout ---- [INFO] [stdout] thread 'test_file_io' panicked at 'called `Result::unwrap()` on an `Err` value: Io(Os { code: 30, kind: Other, message: "Read-only file system" })', src/libcore/result.rs:1084:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56142c05fedb - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x56142c05fedb - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x56142c05fedb - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x56142c05fedb - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x56142c05fedb - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x56142c05fb4c - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 6: 0x56142c06064d - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x56142c0601d2 - std::panicking::continue_panic_fmt::he38ad41d6304a12c [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x56142c0600b6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x56142c07ab1d - core::panicking::panic_fmt::h1bc6de43c92ad80c [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x56142c07ac17 - core::result::unwrap_failed::hd83f272814becce6 [INFO] [stdout] at src/libcore/result.rs:1084 [INFO] [stdout] 11: 0x56142bf645e6 - core::result::Result::unwrap::h1be25172e27398c2 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/result.rs:852 [INFO] [stdout] 12: 0x56142bf52994 - io_csv::test_file_io::hbc084098c52398c3 [INFO] [stdout] at tests/io_csv.rs:125 [INFO] [stdout] 13: 0x56142bf522ea - io_csv::test_file_io::{{closure}}::hfd08599518a50514 [INFO] [stdout] at tests/io_csv.rs:114 [INFO] [stdout] 14: 0x56142bf385ae - core::ops::function::FnOnce::call_once::hec12e2b44a0b5ba3 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 15: 0x56142bf74d6f - as core::ops::function::FnOnce>::call_once::h355e655b04400826 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 16: 0x56142c062ffa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 17: 0x56142bf8f35e - std::panicking::try::h5890cbed5d1d8df0 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x56142bf8f35e - std::panic::catch_unwind::hf93cc71fc6442fdf [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x56142bf8f35e - test::run_test::run_test_inner::{{closure}}::ha399a28a3066698d [INFO] [stdout] at src/libtest/lib.rs:1408 [INFO] [stdout] 20: 0x56142bf6a795 - std::sys_common::backtrace::__rust_begin_short_backtrace::h089859c639046955 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sys_common/backtrace.rs:77 [INFO] [stdout] 21: 0x56142bf6e9a5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h8d489100862c3e01 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:470 [INFO] [stdout] 22: 0x56142bf6e9a5 - as core::ops::function::FnOnce<()>>::call_once::h5746c9e2571824d0 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:315 [INFO] [stdout] 23: 0x56142bf6e9a5 - std::panicking::try::do_call::hfd443b32b22f72a6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:296 [INFO] [stdout] 24: 0x56142c062ffa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 25: 0x56142bf6efa2 - std::panicking::try::h332f368ed7d9b7d1 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:275 [INFO] [stdout] 26: 0x56142bf6efa2 - std::panic::catch_unwind::h316b7be8b4198222 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panic.rs:394 [INFO] [stdout] 27: 0x56142bf6efa2 - std::thread::Builder::spawn_unchecked::{{closure}}::h916aed08bc6e5276 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/thread/mod.rs:469 [INFO] [stdout] 28: 0x56142bf6efa2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9091646be5c55ea6 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235 [INFO] [stdout] 29: 0x56142c055d6f - as core::ops::function::FnOnce>::call_once::hb5396a93648ae250 [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 30: 0x56142c062730 - as core::ops::function::FnOnce>::call_once::h92593001847bb63e [INFO] [stdout] at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/liballoc/boxed.rs:787 [INFO] [stdout] 31: 0x56142c062730 - std::sys_common::thread::start_thread::h569f3ccc0d5dcd83 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 32: 0x56142c062730 - std::sys::unix::thread::Thread::new::thread_start::hd9ff46fad032d886 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 33: 0x7f863aab94a4 - start_thread [INFO] [stdout] 34: 0x7f863a5e4d0f - __clone [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_file_io [INFO] [stdout] [INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--test io_csv' [INFO] running `"docker" "inspect" "e8b010ef9a8d8ed762117d3e4557918d51238ea6fb5673bd7718f62d35bb1c36"` [INFO] running `"docker" "rm" "-f" "e8b010ef9a8d8ed762117d3e4557918d51238ea6fb5673bd7718f62d35bb1c36"` [INFO] [stdout] e8b010ef9a8d8ed762117d3e4557918d51238ea6fb5673bd7718f62d35bb1c36