[INFO] crate brassfibre 0.2.0 is already in cache
[INFO] testing brassfibre-0.2.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate brassfibre 0.2.0 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate brassfibre 0.2.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate brassfibre 0.2.0
[INFO] finished tweaking crates.io crate brassfibre 0.2.0
[INFO] tweaked toml for crates.io crate brassfibre 0.2.0 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 7f95be325a5d0bb47d7dd7eb6afd32aad89b9448df61b3c826a147cd1d34657a
[INFO] running `"docker" "start" "-a" "7f95be325a5d0bb47d7dd7eb6afd32aad89b9448df61b3c826a147cd1d34657a"`
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling nullvec v0.1.5
[INFO] [stderr]    Compiling brassfibre v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/io/mod.rs:25:35
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let header: Vec<String> = try!(reader.headers());
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/io/mod.rs:35:39
[INFO] [stderr]    |
[INFO] [stderr] 35 |             let values: Vec<Scalar> = try!(record);
[INFO] [stderr]    |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/io/mod.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         try!(writer.encode(columns));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/io/mod.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |             try!(writer.encode(row));
[INFO] [stderr]     |             ^^^
[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: 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<T>(a: &[T], how: Duplicates) -> Vec<bool>
[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<T>(a: &[T]) -> Vec<bool>
[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<T>(a: &[T]) -> Vec<bool>
[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<T>(a: &[T]) -> Vec<bool>
[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] error: could not compile `nullvec`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nullvec /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nullvec-0.1.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=e5c6c0e3df847e8a -C extra-filename=-e5c6c0e3df847e8a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num=/opt/rustwide/target/debug/deps/libnum-604c95a62156fbeb.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-739c46110ebaee65.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "7f95be325a5d0bb47d7dd7eb6afd32aad89b9448df61b3c826a147cd1d34657a"`
[INFO] running `"docker" "rm" "-f" "7f95be325a5d0bb47d7dd7eb6afd32aad89b9448df61b3c826a147cd1d34657a"`
[INFO] [stdout] 7f95be325a5d0bb47d7dd7eb6afd32aad89b9448df61b3c826a147cd1d34657a