[INFO] fetching crate brassfibre 0.2.0...
[INFO] checking brassfibre-0.2.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate brassfibre 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate brassfibre 0.2.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded csv v0.14.7
[INFO] [stderr]   Downloaded nullvec v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc9d2210e981bd1e36fa1ff42e306f0f3fdb8ca2b6ae1efa3229488220b6988f
[INFO] running `Command { std: "docker" "start" "-a" "bc9d2210e981bd1e36fa1ff42e306f0f3fdb8ca2b6ae1efa3229488220b6988f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc9d2210e981bd1e36fa1ff42e306f0f3fdb8ca2b6ae1efa3229488220b6988f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9d2210e981bd1e36fa1ff42e306f0f3fdb8ca2b6ae1efa3229488220b6988f", kill_on_drop: false }`
[INFO] [stdout] bc9d2210e981bd1e36fa1ff42e306f0f3fdb8ca2b6ae1efa3229488220b6988f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c506242de6855aaa840253ee910aaf9f99c0bd3ccc1b9205f165e5ee176fe924
[INFO] running `Command { std: "docker" "start" "-a" "c506242de6855aaa840253ee910aaf9f99c0bd3ccc1b9205f165e5ee176fe924", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking nullvec v0.1.5
[INFO] [stderr]     Checking brassfibre v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Num`
[INFO] [stdout]  --> src/algos/computation.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use num::{Num, Zero, Float, ToPrimitive};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/algos/counter.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, Cow};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nullvec::prelude::dev::algos::Sorter`
[INFO] [stdout]  --> src/block/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nullvec::prelude::dev::algos::Sorter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Num`
[INFO] [stdout]  --> src/block/aggregation.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num::{Num, Zero, ToPrimitive};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Num`
[INFO] [stdout]  --> src/block/groupby.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::{Num, Zero, ToPrimitive};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/block/groupby.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/formatting.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `csv` is imported redundantly
[INFO] [stdout]  --> src/io/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use csv;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate csv;
[INFO] [stdout]   | ----------------- the item `csv` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/io/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/io/mod.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let header: Vec<String> = try!(reader.headers());
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/io/mod.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let values: Vec<Scalar> = try!(record);
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/io/mod.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         try!(writer.encode(columns));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/io/mod.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             try!(writer.encode(row));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/series/groupby.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/block/mod.rs:295:38
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn apply<'f>(&'i self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/block/groupby.rs:30:38
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn apply<'f>(&'c self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn apply<'f>(&'c self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/series/mod.rs:156:38
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn apply<'f>(&'i self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/series/groupby.rs:29:38
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn apply<'f>(&'i self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Num`
[INFO] [stdout]  --> src/algos/computation.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use num::{Num, Zero, Float, ToPrimitive};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/algos/counter.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, Cow};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nullvec::prelude::dev::algos::Sorter`
[INFO] [stdout]  --> src/block/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nullvec::prelude::dev::algos::Sorter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Num`
[INFO] [stdout]  --> src/block/aggregation.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num::{Num, Zero, ToPrimitive};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Num`
[INFO] [stdout]  --> src/block/groupby.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::{Num, Zero, ToPrimitive};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/block/groupby.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/formatting.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `csv` is imported redundantly
[INFO] [stdout]  --> src/io/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use csv;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate csv;
[INFO] [stdout]   | ----------------- the item `csv` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/io/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/io/mod.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let header: Vec<String> = try!(reader.headers());
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/io/mod.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let values: Vec<Scalar> = try!(record);
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/traits.rs:109:38
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn apply<'f>(&'s self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn apply<'f>(&'s self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out;
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/io/mod.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         try!(writer.encode(columns));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/io/mod.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             try!(writer.encode(row));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/series/groupby.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/block/mod.rs:295:38
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn apply<'f>(&'i self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/block/groupby.rs:30:38
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn apply<'f>(&'c self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn apply<'f>(&'c self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/series/mod.rs:156:38
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn apply<'f>(&'i self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/series/groupby.rs:29:38
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn apply<'f>(&'i self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/traits.rs:109:38
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn apply<'f>(&'s self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn apply<'f>(&'s self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out;
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexerIndex`
[INFO] [stdout]   --> src/frame/reshape.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join};
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexerIndex`
[INFO] [stdout]  --> src/block/reshape.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join};
[INFO] [stdout]   |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/block/mod.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn loc<'l>(&'c self, label: &'l Self::Key) -> Self::Row {
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `locaiton`
[INFO] [stdout]   --> src/block/mod.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn iloc<'l>(&'c self, locaiton: &'l usize) -> Self::Row {
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_locaiton`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]   --> src/block/mod.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn blocs<'l>(&'c self, labels: &'l [bool]) -> Self {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexerIndex`
[INFO] [stdout]   --> src/frame/reshape.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join};
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexerIndex`
[INFO] [stdout]  --> src/block/reshape.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join};
[INFO] [stdout]   |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/frame/mod.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn loc(&'c self, label: &Self::Key) -> Self::Row {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `locaiton`
[INFO] [stdout]   --> src/frame/mod.rs:48:23
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn iloc(&'c self, locaiton: &usize) -> Self::Row {
[INFO] [stdout]    |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_locaiton`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]   --> src/frame/mod.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn blocs(&self, labels: &[bool]) -> Self {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/frame/mod.rs:84:22
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn get(&'i self, label: &Self::Key) -> Self::Column {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]   --> src/frame/mod.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn iget(&'i self, loc: &usize) -> Self::Column {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `locations`
[INFO] [stdout]   --> src/indexer/mod.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn ilocs_forced(&self, locations: &[usize]) -> Self {
[INFO] [stdout]    |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_locations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Duplicates` is never used
[INFO] [stdout]  --> src/algos/duplicates.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Duplicates {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `duplicated`, `duplicated_keepfirst`, `duplicated_keeplast`, and `duplicated_keepnone` are never used
[INFO] [stdout]   --> src/algos/duplicates.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Duplicates {
[INFO] [stdout]    | --------------- associated functions in this implementation
[INFO] [stdout] 14 |     pub fn duplicated<T>(a: &[T], how: Duplicates) -> Vec<bool>
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn duplicated_keepfirst<T>(a: &[T]) -> Vec<bool>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn duplicated_keeplast<T>(a: &[T]) -> Vec<bool>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn duplicated_keepnone<T>(a: &[T]) -> Vec<bool>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `left`, `right`, and `outer` are never used
[INFO] [stdout]   --> src/algos/join.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait JoinOp<T> {
[INFO] [stdout]    |           ------ associated functions in this trait
[INFO] [stdout] 14 |     fn inner(left: &[T], right: &[T]) -> (Vec<T>, Vec<usize>, Vec<usize>);
[INFO] [stdout] 15 |     fn left(left: &[T], right: &[T]) -> (Vec<T>, Vec<usize>, Vec<usize>);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 16 |     fn right(left: &[T], right: &[T]) -> (Vec<T>, Vec<usize>, Vec<usize>);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 17 |     fn outer(left: &[T], right: &[T]) -> (Vec<T>, Vec<usize>, Vec<usize>);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `assert_binop` is never used
[INFO] [stdout]    --> src/frame/mod.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | / impl<'v, 'i, 'c, I, C> DataFrame<'v, 'i, 'c, I, C>
[INFO] [stdout] 116 | |     where I: Clone + Eq + Hash,
[INFO] [stdout] 117 | |           C: Clone + Eq + Hash
[INFO] [stdout]     | |______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 174 |       fn assert_binop(&self, other: &Self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/scalar.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/block/mod.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn loc<'l>(&'c self, label: &'l Self::Key) -> Self::Row {
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `locaiton`
[INFO] [stdout]   --> src/block/mod.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn iloc<'l>(&'c self, locaiton: &'l usize) -> Self::Row {
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_locaiton`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]   --> src/block/mod.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn blocs<'l>(&'c self, labels: &'l [bool]) -> Self {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]   --> tests/frame_aggregation.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let exp: Series<Scalar, &str> = Series::new(vec![Scalar::i64(15), Scalar::f64(40.)],
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]   --> tests/frame_aggregation.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let exp: Series<f64, &str> = Series::new(vec![1., 6.], vec!["X", "Y"]);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]   --> tests/frame_aggregation.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let exp: Series<f64, &str> = Series::new(vec![5., 10.], vec!["X", "Y"]);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]   --> tests/frame_aggregation.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let exp: Series<Scalar, &str> = Series::new(vec![Scalar::i64(14),
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]   --> tests/frame_aggregation.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let exp: Series<Scalar, &str> = Series::new(vec![Scalar::i64(-2), Scalar::f64(3.1)],
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]   --> tests/frame_aggregation.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let exp: Series<Scalar, &str> = Series::new(vec![Scalar::i64(7), Scalar::f64(10.)],
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/frame/mod.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn loc(&'c self, label: &Self::Key) -> Self::Row {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `locaiton`
[INFO] [stdout]   --> src/frame/mod.rs:48:23
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn iloc(&'c self, locaiton: &usize) -> Self::Row {
[INFO] [stdout]    |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_locaiton`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]   --> src/frame/mod.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn blocs(&self, labels: &[bool]) -> Self {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/frame/mod.rs:84:22
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn get(&'i self, label: &Self::Key) -> Self::Column {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]   --> src/frame/mod.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn iget(&'i self, loc: &usize) -> Self::Column {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `locations`
[INFO] [stdout]   --> src/indexer/mod.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn ilocs_forced(&self, locations: &[usize]) -> Self {
[INFO] [stdout]    |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_locations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `assert_binop` is never used
[INFO] [stdout]    --> src/frame/mod.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | / impl<'v, 'i, 'c, I, C> DataFrame<'v, 'i, 'c, I, C>
[INFO] [stdout] 116 | |     where I: Clone + Eq + Hash,
[INFO] [stdout] 117 | |           C: Clone + Eq + Hash
[INFO] [stdout]     | |______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 174 |       fn assert_binop(&self, other: &Self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "c506242de6855aaa840253ee910aaf9f99c0bd3ccc1b9205f165e5ee176fe924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c506242de6855aaa840253ee910aaf9f99c0bd3ccc1b9205f165e5ee176fe924", kill_on_drop: false }`
[INFO] [stdout] c506242de6855aaa840253ee910aaf9f99c0bd3ccc1b9205f165e5ee176fe924
[INFO] checking brassfibre-0.2.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate brassfibre 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate brassfibre 0.2.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c357daebd941ec6762bd9211cc498cbcbbc6f479faf7120075ad0fdd6c0fc43
[INFO] running `Command { std: "docker" "start" "-a" "8c357daebd941ec6762bd9211cc498cbcbbc6f479faf7120075ad0fdd6c0fc43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c357daebd941ec6762bd9211cc498cbcbbc6f479faf7120075ad0fdd6c0fc43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c357daebd941ec6762bd9211cc498cbcbbc6f479faf7120075ad0fdd6c0fc43", kill_on_drop: false }`
[INFO] [stdout] 8c357daebd941ec6762bd9211cc498cbcbbc6f479faf7120075ad0fdd6c0fc43
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec25931c7fd7f8451d4f1ee315d9ccb5d9dd9b2dd0f4fc51c46c87d47bde1230
[INFO] running `Command { std: "docker" "start" "-a" "ec25931c7fd7f8451d4f1ee315d9ccb5d9dd9b2dd0f4fc51c46c87d47bde1230", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking nullvec v0.1.5
[INFO] [stderr]     Checking brassfibre v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Num`
[INFO] [stdout]  --> src/algos/computation.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use num::{Num, Zero, Float, ToPrimitive};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/algos/counter.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, Cow};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nullvec::prelude::dev::algos::Sorter`
[INFO] [stdout]  --> src/block/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nullvec::prelude::dev::algos::Sorter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Num`
[INFO] [stdout]  --> src/block/aggregation.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num::{Num, Zero, ToPrimitive};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Num`
[INFO] [stdout]  --> src/block/groupby.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::{Num, Zero, ToPrimitive};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/block/groupby.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/formatting.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `csv` is imported redundantly
[INFO] [stdout]  --> src/io/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use csv;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate csv;
[INFO] [stdout]   | ----------------- the item `csv` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/io/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/io/mod.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let header: Vec<String> = try!(reader.headers());
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/io/mod.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let values: Vec<Scalar> = try!(record);
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/io/mod.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         try!(writer.encode(columns));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/io/mod.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             try!(writer.encode(row));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/series/groupby.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/block/mod.rs:295:38
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn apply<'f>(&'i self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/block/groupby.rs:30:38
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn apply<'f>(&'c self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn apply<'f>(&'c self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/series/mod.rs:156:38
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn apply<'f>(&'i self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/series/groupby.rs:29:38
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn apply<'f>(&'i self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/traits.rs:109:38
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn apply<'f>(&'s self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn apply<'f>(&'s self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out;
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Num`
[INFO] [stdout]  --> src/algos/computation.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use num::{Num, Zero, Float, ToPrimitive};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/algos/counter.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::{Borrow, Cow};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nullvec::prelude::dev::algos::Sorter`
[INFO] [stdout]  --> src/block/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nullvec::prelude::dev::algos::Sorter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Num`
[INFO] [stdout]  --> src/block/aggregation.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num::{Num, Zero, ToPrimitive};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Num`
[INFO] [stdout]  --> src/block/groupby.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::{Num, Zero, ToPrimitive};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/block/groupby.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/formatting.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `csv` is imported redundantly
[INFO] [stdout]  --> src/io/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use csv;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate csv;
[INFO] [stdout]   | ----------------- the item `csv` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/io/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/io/mod.rs:25:35
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let header: Vec<String> = try!(reader.headers());
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/io/mod.rs:35:39
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let values: Vec<Scalar> = try!(record);
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/io/mod.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         try!(writer.encode(columns));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/io/mod.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             try!(writer.encode(row));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/series/groupby.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/block/mod.rs:295:38
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn apply<'f>(&'i self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/block/groupby.rs:30:38
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn apply<'f>(&'c self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn apply<'f>(&'c self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/series/mod.rs:156:38
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn apply<'f>(&'i self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/series/groupby.rs:29:38
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn apply<'f>(&'i self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn apply<'f>(&'i self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/traits.rs:109:38
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn apply<'f>(&'s self, func: &'f Fn(&Self::In) -> Self::FOut) -> Self::Out;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn apply<'f>(&'s self, func: &'f dyn Fn(&Self::In) -> Self::FOut) -> Self::Out;
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexerIndex`
[INFO] [stdout]   --> src/frame/reshape.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join};
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexerIndex`
[INFO] [stdout]  --> src/block/reshape.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join};
[INFO] [stdout]   |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/block/mod.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn loc<'l>(&'c self, label: &'l Self::Key) -> Self::Row {
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `locaiton`
[INFO] [stdout]   --> src/block/mod.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn iloc<'l>(&'c self, locaiton: &'l usize) -> Self::Row {
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_locaiton`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]   --> src/block/mod.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn blocs<'l>(&'c self, labels: &'l [bool]) -> Self {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/frame/mod.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn loc(&'c self, label: &Self::Key) -> Self::Row {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `locaiton`
[INFO] [stdout]   --> src/frame/mod.rs:48:23
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn iloc(&'c self, locaiton: &usize) -> Self::Row {
[INFO] [stdout]    |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_locaiton`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]   --> src/frame/mod.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn blocs(&self, labels: &[bool]) -> Self {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/frame/mod.rs:84:22
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn get(&'i self, label: &Self::Key) -> Self::Column {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]   --> src/frame/mod.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn iget(&'i self, loc: &usize) -> Self::Column {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexerIndex`
[INFO] [stdout]   --> src/frame/reshape.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join};
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IndexerIndex`
[INFO] [stdout]  --> src/block/reshape.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | use traits::{Slicer, IndexerIndex, RowIndex, Append, Concatenation, Join};
[INFO] [stdout]   |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `locations`
[INFO] [stdout]   --> src/indexer/mod.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn ilocs_forced(&self, locations: &[usize]) -> Self {
[INFO] [stdout]    |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_locations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Duplicates` is never used
[INFO] [stdout]  --> src/algos/duplicates.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum Duplicates {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `duplicated`, `duplicated_keepfirst`, `duplicated_keeplast`, and `duplicated_keepnone` are never used
[INFO] [stdout]   --> src/algos/duplicates.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Duplicates {
[INFO] [stdout]    | --------------- associated functions in this implementation
[INFO] [stdout] 14 |     pub fn duplicated<T>(a: &[T], how: Duplicates) -> Vec<bool>
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn duplicated_keepfirst<T>(a: &[T]) -> Vec<bool>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn duplicated_keeplast<T>(a: &[T]) -> Vec<bool>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn duplicated_keepnone<T>(a: &[T]) -> Vec<bool>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `left`, `right`, and `outer` are never used
[INFO] [stdout]   --> src/algos/join.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait JoinOp<T> {
[INFO] [stdout]    |           ------ associated functions in this trait
[INFO] [stdout] 14 |     fn inner(left: &[T], right: &[T]) -> (Vec<T>, Vec<usize>, Vec<usize>);
[INFO] [stdout] 15 |     fn left(left: &[T], right: &[T]) -> (Vec<T>, Vec<usize>, Vec<usize>);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 16 |     fn right(left: &[T], right: &[T]) -> (Vec<T>, Vec<usize>, Vec<usize>);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 17 |     fn outer(left: &[T], right: &[T]) -> (Vec<T>, Vec<usize>, Vec<usize>);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `assert_binop` is never used
[INFO] [stdout]    --> src/frame/mod.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | / impl<'v, 'i, 'c, I, C> DataFrame<'v, 'i, 'c, I, C>
[INFO] [stdout] 116 | |     where I: Clone + Eq + Hash,
[INFO] [stdout] 117 | |           C: Clone + Eq + Hash
[INFO] [stdout]     | |______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 174 |       fn assert_binop(&self, other: &Self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 34 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/block/mod.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn loc<'l>(&'c self, label: &'l Self::Key) -> Self::Row {
[INFO] [stdout]    |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `locaiton`
[INFO] [stdout]   --> src/block/mod.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn iloc<'l>(&'c self, locaiton: &'l usize) -> Self::Row {
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_locaiton`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]   --> src/block/mod.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn blocs<'l>(&'c self, labels: &'l [bool]) -> Self {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]   --> tests/frame_aggregation.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let exp: Series<Scalar, &str> = Series::new(vec![Scalar::i64(15), Scalar::f64(40.)],
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]   --> tests/frame_aggregation.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let exp: Series<f64, &str> = Series::new(vec![1., 6.], vec!["X", "Y"]);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]   --> tests/frame_aggregation.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let exp: Series<f64, &str> = Series::new(vec![5., 10.], vec!["X", "Y"]);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]   --> tests/frame_aggregation.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let exp: Series<Scalar, &str> = Series::new(vec![Scalar::i64(14),
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]   --> tests/frame_aggregation.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let exp: Series<Scalar, &str> = Series::new(vec![Scalar::i64(-2), Scalar::f64(3.1)],
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp`
[INFO] [stdout]   --> tests/frame_aggregation.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let exp: Series<Scalar, &str> = Series::new(vec![Scalar::i64(7), Scalar::f64(10.)],
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/frame/mod.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn loc(&'c self, label: &Self::Key) -> Self::Row {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `locaiton`
[INFO] [stdout]   --> src/frame/mod.rs:48:23
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn iloc(&'c self, locaiton: &usize) -> Self::Row {
[INFO] [stdout]    |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_locaiton`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]   --> src/frame/mod.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn blocs(&self, labels: &[bool]) -> Self {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/frame/mod.rs:84:22
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn get(&'i self, label: &Self::Key) -> Self::Column {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]   --> src/frame/mod.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn iget(&'i self, loc: &usize) -> Self::Column {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/scalar.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `locations`
[INFO] [stdout]   --> src/indexer/mod.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn ilocs_forced(&self, locations: &[usize]) -> Self {
[INFO] [stdout]    |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_locations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `assert_binop` is never used
[INFO] [stdout]    --> src/frame/mod.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | / impl<'v, 'i, 'c, I, C> DataFrame<'v, 'i, 'c, I, C>
[INFO] [stdout] 116 | |     where I: Clone + Eq + Hash,
[INFO] [stdout] 117 | |           C: Clone + Eq + Hash
[INFO] [stdout]     | |______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 174 |       fn assert_binop(&self, other: &Self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `Command { std: "docker" "inspect" "ec25931c7fd7f8451d4f1ee315d9ccb5d9dd9b2dd0f4fc51c46c87d47bde1230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec25931c7fd7f8451d4f1ee315d9ccb5d9dd9b2dd0f4fc51c46c87d47bde1230", kill_on_drop: false }`
[INFO] [stdout] ec25931c7fd7f8451d4f1ee315d9ccb5d9dd9b2dd0f4fc51c46c87d47bde1230
