[INFO] fetching crate excel2df 0.1.5...
[INFO] checking excel2df-0.1.5 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate excel2df 0.1.5 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate excel2df 0.1.5
[INFO] finished tweaking crates.io crate excel2df 0.1.5
[INFO] tweaked toml for crates.io crate excel2df 0.1.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate excel2df 0.1.5 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate excel2df 0.1.5 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] bcb71b0fe6dccbbf57f16689af1f949fd6d994d81d6b76afecaf49a4b480261b
[INFO] running `Command { std: "docker" "start" "-a" "bcb71b0fe6dccbbf57f16689af1f949fd6d994d81d6b76afecaf49a4b480261b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcb71b0fe6dccbbf57f16689af1f949fd6d994d81d6b76afecaf49a4b480261b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb71b0fe6dccbbf57f16689af1f949fd6d994d81d6b76afecaf49a4b480261b", kill_on_drop: false }`
[INFO] [stdout] bcb71b0fe6dccbbf57f16689af1f949fd6d994d81d6b76afecaf49a4b480261b
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[INFO] [stderr]     Checking excel2df v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `strings`
[INFO] [stdout]  --> src/wb.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use polars::prelude::{strings, AnyValue, TimeUnit};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell`
[INFO] [stdout]  --> src/wb.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cell;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ZipArchive`
[INFO] [stdout]  --> src/ws.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use zip::read::{ZipArchive, ZipFile};
[INFO] [stdout]   |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cell` and `Row`
[INFO] [stdout]  --> src/ws.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::cellvalue::{Cell, CellFormat, Row};
[INFO] [stdout]   |                        ^^^^              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `strings`
[INFO] [stdout]  --> src/wb.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use polars::prelude::{strings, AnyValue, TimeUnit};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell`
[INFO] [stdout]  --> src/wb.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cell;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ZipArchive`
[INFO] [stdout]  --> src/ws.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use zip::read::{ZipArchive, ZipFile};
[INFO] [stdout]   |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cell` and `Row`
[INFO] [stdout]  --> src/ws.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::cellvalue::{Cell, CellFormat, Row};
[INFO] [stdout]   |                        ^^^^              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/utils.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/utils.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/wb.rs:258:19
[INFO] [stdout]     |
[INFO] [stdout] 258 |         let (data,mut reader) = self.sheet_reader2(&target_sheet.target);
[INFO] [stdout]     |                   ----^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/wb.rs:258:19
[INFO] [stdout]     |
[INFO] [stdout] 258 |         let (data,mut reader) = self.sheet_reader2(&target_sheet.target);
[INFO] [stdout]     |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/wb.rs:258:19
[INFO] [stdout]     |
[INFO] [stdout] 258 |         let (data,mut reader) = self.sheet_reader2(&target_sheet.target);
[INFO] [stdout]     |                   ----^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/wb.rs:258:19
[INFO] [stdout]     |
[INFO] [stdout] 258 |         let (data,mut reader) = self.sheet_reader2(&target_sheet.target);
[INFO] [stdout]     |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/wb.rs:543:13
[INFO] [stdout]     |
[INFO] [stdout] 543 |         let mut target = match self.xls.by_name(zip_target) {
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/wb.rs:543:13
[INFO] [stdout]     |
[INFO] [stdout] 543 |         let mut target = match self.xls.by_name(zip_target) {
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/utils.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut stack = 0;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]    --> src/utils.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut stack = 0;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/utils.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let mut each_col_count =0;
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `each_col_count`
[INFO] [stdout]    --> src/utils.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let mut each_col_count =0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_each_col_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `encoding` is never read
[INFO] [stdout]   --> src/wb.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Workbook {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     encoding: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Workbook` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `relationship_id` and `sheet_id` are never read
[INFO] [stdout]   --> src/ws.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Worksheet {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     relationship_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     sheet_id: u8,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Worksheet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `XL_MAX_COL` is never used
[INFO] [stdout]  --> src/utils.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const XL_MAX_COL: u32 = 16384;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `XL_MIN_COL` is never used
[INFO] [stdout]  --> src/utils.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const XL_MIN_COL: u32 = 1;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `used_area` is never used
[INFO] [stdout]   --> src/utils.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn used_area(used_area_range: &str) -> (u32, u32) {//(row, col)
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `col2num` is never used
[INFO] [stdout]   --> src/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn col2num(letter: &str) -> Option<u32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/utils.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut stack = 0;
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]    --> src/utils.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut stack = 0;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/utils.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let mut each_col_count =0;
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `each_col_count`
[INFO] [stdout]    --> src/utils.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let mut each_col_count =0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_each_col_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `encoding` is never read
[INFO] [stdout]   --> src/wb.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Workbook {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     encoding: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Workbook` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `relationship_id` and `sheet_id` are never read
[INFO] [stdout]   --> src/ws.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Worksheet {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     relationship_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     sheet_id: u8,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Worksheet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `XL_MAX_COL` is never used
[INFO] [stdout]  --> src/utils.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const XL_MAX_COL: u32 = 16384;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `XL_MIN_COL` is never used
[INFO] [stdout]  --> src/utils.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const XL_MIN_COL: u32 = 1;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `used_area` is never used
[INFO] [stdout]   --> src/utils.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn used_area(used_area_range: &str) -> (u32, u32) {//(row, col)
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `col2num` is never used
[INFO] [stdout]   --> src/utils.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn col2num(letter: &str) -> Option<u32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cellvalue.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         write!(f, "Row#{} [", row);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let _ = write!(f, "Row#{} [", row);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cellvalue.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |             write!(f, "{},", cell.as_string());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let _ = write!(f, "{},", cell.as_string());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/wb.rs:48:36
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub trait SheetAccessTrait { fn go(&self) -> SheetNameOrNum; }
[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] 48 | pub trait SheetAccessTrait { fn go(&self) -> SheetNameOrNum<'_>; }
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/wb.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn go(&self) -> SheetNameOrNum { SheetNameOrNum::Name(*self) }
[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] 51 |     fn go(&self) -> SheetNameOrNum<'_> { SheetNameOrNum::Name(*self) }
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/wb.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn go(&self) -> SheetNameOrNum { SheetNameOrNum::Pos(*self) }
[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] 55 |     fn go(&self) -> SheetNameOrNum<'_> { SheetNameOrNum::Pos(*self) }
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cellvalue.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         write!(f, "Row#{} [", row);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let _ = write!(f, "Row#{} [", row);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/cellvalue.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |             write!(f, "{},", cell.as_string());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let _ = write!(f, "{},", cell.as_string());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/wb.rs:48:36
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub trait SheetAccessTrait { fn go(&self) -> SheetNameOrNum; }
[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] 48 | pub trait SheetAccessTrait { fn go(&self) -> SheetNameOrNum<'_>; }
[INFO] [stdout]    |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/wb.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn go(&self) -> SheetNameOrNum { SheetNameOrNum::Name(*self) }
[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] 51 |     fn go(&self) -> SheetNameOrNum<'_> { SheetNameOrNum::Name(*self) }
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/wb.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn go(&self) -> SheetNameOrNum { SheetNameOrNum::Pos(*self) }
[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] 55 |     fn go(&self) -> SheetNameOrNum<'_> { SheetNameOrNum::Pos(*self) }
[INFO] [stdout]    |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Worksheet`
[INFO] [stdout]  --> src/main.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use excel2df::{Workbook,Worksheet};
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Worksheet`
[INFO] [stdout]  --> src/main.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use excel2df::{Workbook,Worksheet};
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 55s
[INFO] running `Command { std: "docker" "inspect" "e97201b2020693905d0a1b2a8f57131950bd1c134774dea44efcb292b5554c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97201b2020693905d0a1b2a8f57131950bd1c134774dea44efcb292b5554c37", kill_on_drop: false }`
[INFO] [stdout] e97201b2020693905d0a1b2a8f57131950bd1c134774dea44efcb292b5554c37
