[INFO] cloning repository https://github.com/toastedbreadandomelette/nn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/toastedbreadandomelette/nn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoastedbreadandomelette%2Fnn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoastedbreadandomelette%2Fnn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d48eafe1a05c995b50b0329deea97df14b9a2496 [INFO] testing toastedbreadandomelette/nn against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoastedbreadandomelette%2Fnn" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/toastedbreadandomelette/nn [INFO] finished tweaking git repo https://github.com/toastedbreadandomelette/nn [INFO] tweaked toml for git repo https://github.com/toastedbreadandomelette/nn written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/toastedbreadandomelette/nn on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/toastedbreadandomelette/nn already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/toastedbreadandomelette/vector-rs` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 584279f6057cf94ecffc43fba01c4b2fc50f3f02c0836b4432dcc61b96a23375 [INFO] running `Command { std: "docker" "start" "-a" "584279f6057cf94ecffc43fba01c4b2fc50f3f02c0836b4432dcc61b96a23375", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "584279f6057cf94ecffc43fba01c4b2fc50f3f02c0836b4432dcc61b96a23375", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "584279f6057cf94ecffc43fba01c4b2fc50f3f02c0836b4432dcc61b96a23375", kill_on_drop: false }` [INFO] [stdout] 584279f6057cf94ecffc43fba01c4b2fc50f3f02c0836b4432dcc61b96a23375 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b03b3db4dcff5d663ef337cdc99f5ca5e1d77735660ce4d210554955c66958c2 [INFO] running `Command { std: "docker" "start" "-a" "b03b3db4dcff5d663ef337cdc99f5ca5e1d77735660ce4d210554955c66958c2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling vector v0.1.0 (https://github.com/toastedbreadandomelette/vector-rs?branch=master#d8f2e1e5) [INFO] [stderr] Compiling memmap2 v0.5.10 [INFO] [stderr] Compiling nn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/cell.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | String(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Cell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 - String(String), [INFO] [stdout] 6 + String(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/cell.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | Number(i64), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Cell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 - Number(i64), [INFO] [stdout] 8 + Number(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/cell.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | Decimal(f64), [INFO] [stdout] | ------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Cell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 - Decimal(f64), [INFO] [stdout] 10 + Decimal(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter_col` is never used [INFO] [stdout] --> src/dframe.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl DataFrame { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn iter_col(&self, col: &str) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DataFrameColumnIterator` is never constructed [INFO] [stdout] --> src/iter/mod.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct DataFrameColumnIterator<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/iter/mod.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl<'a> DataFrameColumnIterator<'a> { [INFO] [stdout] | ------------------------------------ associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn new(data_frame: &'a [Cell], col_size: usize, offset: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dframe.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn iter(&self) -> DataFrameIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 34 | pub fn iter(&self) -> DataFrameIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dframe.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn iter_col(&self, col: &str) -> Option { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 66 | pub fn iter_col(&self, col: &str) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 3.55s [INFO] running `Command { std: "docker" "inspect" "b03b3db4dcff5d663ef337cdc99f5ca5e1d77735660ce4d210554955c66958c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b03b3db4dcff5d663ef337cdc99f5ca5e1d77735660ce4d210554955c66958c2", kill_on_drop: false }` [INFO] [stdout] b03b3db4dcff5d663ef337cdc99f5ca5e1d77735660ce4d210554955c66958c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13c1557d7b9183a405c4d15587eeeb25460375cf2f0520d8752eecdbd3a76f84 [INFO] running `Command { std: "docker" "start" "-a" "13c1557d7b9183a405c4d15587eeeb25460375cf2f0520d8752eecdbd3a76f84", kill_on_drop: false }` [INFO] [stderr] Compiling nn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/cell.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | String(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Cell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 - String(String), [INFO] [stdout] 6 + String(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/cell.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | Number(i64), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Cell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 - Number(i64), [INFO] [stdout] 8 + Number(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/cell.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | Decimal(f64), [INFO] [stdout] | ------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Cell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 10 - Decimal(f64), [INFO] [stdout] 10 + Decimal(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter_col` is never used [INFO] [stdout] --> src/dframe.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 16 | impl DataFrame { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn iter_col(&self, col: &str) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DataFrameColumnIterator` is never constructed [INFO] [stdout] --> src/iter/mod.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct DataFrameColumnIterator<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/iter/mod.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl<'a> DataFrameColumnIterator<'a> { [INFO] [stdout] | ------------------------------------ associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn new(data_frame: &'a [Cell], col_size: usize, offset: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dframe.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn iter(&self) -> DataFrameIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 34 | pub fn iter(&self) -> DataFrameIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dframe.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn iter_col(&self, col: &str) -> Option { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 66 | pub fn iter_col(&self, col: &str) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [optimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "13c1557d7b9183a405c4d15587eeeb25460375cf2f0520d8752eecdbd3a76f84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13c1557d7b9183a405c4d15587eeeb25460375cf2f0520d8752eecdbd3a76f84", kill_on_drop: false }` [INFO] [stdout] 13c1557d7b9183a405c4d15587eeeb25460375cf2f0520d8752eecdbd3a76f84 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7a7ee7dbd29a4bd384f839b5ca2054faa79c8e872a48d5d9d0d6bd167c30d19f [INFO] running `Command { std: "docker" "start" "-a" "7a7ee7dbd29a4bd384f839b5ca2054faa79c8e872a48d5d9d0d6bd167c30d19f", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/cell.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | String(String), [INFO] [stderr] | ------ ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Cell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 6 - String(String), [INFO] [stderr] 6 + String(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/cell.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | Number(i64), [INFO] [stderr] | ------ ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Cell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 8 - Number(i64), [INFO] [stderr] 8 + Number(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/cell.rs:10:13 [INFO] [stderr] | [INFO] [stderr] 10 | Decimal(f64), [INFO] [stderr] | ------- ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Cell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 10 - Decimal(f64), [INFO] [stderr] 10 + Decimal(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: method `iter_col` is never used [INFO] [stderr] --> src/dframe.rs:66:12 [INFO] [stderr] | [INFO] [stderr] 16 | impl DataFrame { [INFO] [stderr] | -------------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 66 | pub fn iter_col(&self, col: &str) -> Option { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `DataFrameColumnIterator` is never constructed [INFO] [stderr] --> src/iter/mod.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct DataFrameColumnIterator<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/iter/mod.rs:18:12 [INFO] [stderr] | [INFO] [stderr] 15 | impl<'a> DataFrameColumnIterator<'a> { [INFO] [stderr] | ------------------------------------ associated function in this implementation [INFO] [stderr] ... [INFO] [stderr] 18 | pub fn new(data_frame: &'a [Cell], col_size: usize, offset: usize) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/dframe.rs:34:17 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn iter(&self) -> DataFrameIterator { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 34 | pub fn iter(&self) -> DataFrameIterator<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/dframe.rs:66:21 [INFO] [stderr] | [INFO] [stderr] 66 | pub fn iter_col(&self, col: &str) -> Option { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 66 | pub fn iter_col(&self, col: &str) -> Option> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `nn` (bin "nn" test) generated 8 warnings (run `cargo fix --bin "nn" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [optimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nn-9b232e18fa2c115d) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7a7ee7dbd29a4bd384f839b5ca2054faa79c8e872a48d5d9d0d6bd167c30d19f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a7ee7dbd29a4bd384f839b5ca2054faa79c8e872a48d5d9d0d6bd167c30d19f", kill_on_drop: false }` [INFO] [stdout] 7a7ee7dbd29a4bd384f839b5ca2054faa79c8e872a48d5d9d0d6bd167c30d19f