[INFO] cloning repository https://github.com/joonaspessi/rust-custom-error-kata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joonaspessi/rust-custom-error-kata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoonaspessi%2Frust-custom-error-kata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoonaspessi%2Frust-custom-error-kata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fcbb5bd7dc31207b3efbfb9d3854b93b4a4eec97
[INFO] testing joonaspessi/rust-custom-error-kata against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoonaspessi%2Frust-custom-error-kata" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/joonaspessi/rust-custom-error-kata
[INFO] finished tweaking git repo https://github.com/joonaspessi/rust-custom-error-kata
[INFO] tweaked toml for git repo https://github.com/joonaspessi/rust-custom-error-kata written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/joonaspessi/rust-custom-error-kata on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/joonaspessi/rust-custom-error-kata 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7082f65de6d7ba8b81b69d0176767cbed7a683ffa342feb83dd243ed43b74a90
[INFO] running `Command { std: "docker" "start" "-a" "7082f65de6d7ba8b81b69d0176767cbed7a683ffa342feb83dd243ed43b74a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7082f65de6d7ba8b81b69d0176767cbed7a683ffa342feb83dd243ed43b74a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7082f65de6d7ba8b81b69d0176767cbed7a683ffa342feb83dd243ed43b74a90", kill_on_drop: false }`
[INFO] [stdout] 7082f65de6d7ba8b81b69d0176767cbed7a683ffa342feb83dd243ed43b74a90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec7741a093d0b678aa3b64b7d1bcee062b8efe4aa90a7bb25e36a31da6e02f5d
[INFO] running `Command { std: "docker" "start" "-a" "ec7741a093d0b678aa3b64b7d1bcee062b8efe4aa90a7bb25e36a31da6e02f5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-custom-error-kata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `header` and `data` are never read
[INFO] [stdout]   --> src/csv.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct CsvData<T: Copy + Default + FromStr> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 12 |     pub header: Vec<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 13 |     pub data: Vec<Vec<T>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CsvData` 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 `line_num` and `num_entries` are never read
[INFO] [stdout]   --> src/csv.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct CsvLineLen {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 18 |     pub line_num: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 19 |     pub num_entries: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CsvLineLen` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/csv.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     CouldNotOpenFile(io::Error),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CsvError` has a derived impl for the trait `Debug`, but this is 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] 25 -     CouldNotOpenFile(io::Error),
[INFO] [stdout] 25 +     CouldNotOpenFile(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/csv.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |     CouldNotParseLine(Box<dyn Error>),
[INFO] [stdout]    |     ----------------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CsvError` has a derived impl for the trait `Debug`, but this is 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] 26 -     CouldNotParseLine(Box<dyn Error>),
[INFO] [stdout] 26 +     CouldNotParseLine(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/csv.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |     CouldNotParseValue(String),
[INFO] [stdout]    |     ------------------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CsvError` has a derived impl for the trait `Debug`, but this is 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] 28 -     CouldNotParseValue(String),
[INFO] [stdout] 28 +     CouldNotParseValue(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/csv.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     LineTooShort(CsvLineLen),
[INFO] [stdout]    |     ------------ ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CsvError` has a derived impl for the trait `Debug`, but this is 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] 29 -     LineTooShort(CsvLineLen),
[INFO] [stdout] 29 +     LineTooShort(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/csv.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |     LineTooLong(CsvLineLen),
[INFO] [stdout]    |     ----------- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CsvError` has a derived impl for the trait `Debug`, but this is 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] 30 -     LineTooLong(CsvLineLen),
[INFO] [stdout] 30 +     LineTooLong(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "ec7741a093d0b678aa3b64b7d1bcee062b8efe4aa90a7bb25e36a31da6e02f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec7741a093d0b678aa3b64b7d1bcee062b8efe4aa90a7bb25e36a31da6e02f5d", kill_on_drop: false }`
[INFO] [stdout] ec7741a093d0b678aa3b64b7d1bcee062b8efe4aa90a7bb25e36a31da6e02f5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44453abf2689f27f282ec0343108a8a85b7db84752473ba4d84e92c9759c30bf
[INFO] running `Command { std: "docker" "start" "-a" "44453abf2689f27f282ec0343108a8a85b7db84752473ba4d84e92c9759c30bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-custom-error-kata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `header` and `data` are never read
[INFO] [stdout]   --> src/csv.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct CsvData<T: Copy + Default + FromStr> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 12 |     pub header: Vec<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 13 |     pub data: Vec<Vec<T>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CsvData` 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 `line_num` and `num_entries` are never read
[INFO] [stdout]   --> src/csv.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct CsvLineLen {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 18 |     pub line_num: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 19 |     pub num_entries: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CsvLineLen` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/csv.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     CouldNotOpenFile(io::Error),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CsvError` has a derived impl for the trait `Debug`, but this is 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] 25 -     CouldNotOpenFile(io::Error),
[INFO] [stdout] 25 +     CouldNotOpenFile(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/csv.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |     CouldNotParseLine(Box<dyn Error>),
[INFO] [stdout]    |     ----------------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CsvError` has a derived impl for the trait `Debug`, but this is 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] 26 -     CouldNotParseLine(Box<dyn Error>),
[INFO] [stdout] 26 +     CouldNotParseLine(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/csv.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |     CouldNotParseValue(String),
[INFO] [stdout]    |     ------------------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CsvError` has a derived impl for the trait `Debug`, but this is 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] 28 -     CouldNotParseValue(String),
[INFO] [stdout] 28 +     CouldNotParseValue(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/csv.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |     LineTooShort(CsvLineLen),
[INFO] [stdout]    |     ------------ ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CsvError` has a derived impl for the trait `Debug`, but this is 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] 29 -     LineTooShort(CsvLineLen),
[INFO] [stdout] 29 +     LineTooShort(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/csv.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |     LineTooLong(CsvLineLen),
[INFO] [stdout]    |     ----------- ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CsvError` has a derived impl for the trait `Debug`, but this is 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] 30 -     LineTooLong(CsvLineLen),
[INFO] [stdout] 30 +     LineTooLong(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "44453abf2689f27f282ec0343108a8a85b7db84752473ba4d84e92c9759c30bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44453abf2689f27f282ec0343108a8a85b7db84752473ba4d84e92c9759c30bf", kill_on_drop: false }`
[INFO] [stdout] 44453abf2689f27f282ec0343108a8a85b7db84752473ba4d84e92c9759c30bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1d33bdca48ea69e87490a61bea9fe13211221bf255988f281961fca944d2fa6
[INFO] running `Command { std: "docker" "start" "-a" "d1d33bdca48ea69e87490a61bea9fe13211221bf255988f281961fca944d2fa6", kill_on_drop: false }`
[INFO] [stderr] warning: fields `header` and `data` are never read
[INFO] [stderr]   --> src/csv.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct CsvData<T: Copy + Default + FromStr> {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] 12 |     pub header: Vec<String>,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 13 |     pub data: Vec<Vec<T>>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CsvData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `line_num` and `num_entries` are never read
[INFO] [stderr]   --> src/csv.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct CsvLineLen {
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr] 18 |     pub line_num: usize,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 19 |     pub num_entries: usize,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CsvLineLen` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/csv.rs:25:22
[INFO] [stderr]    |
[INFO] [stderr] 25 |     CouldNotOpenFile(io::Error),
[INFO] [stderr]    |     ---------------- ^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CsvError` has a derived impl for the trait `Debug`, but this is 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] 25 -     CouldNotOpenFile(io::Error),
[INFO] [stderr] 25 +     CouldNotOpenFile(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/csv.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |     CouldNotParseLine(Box<dyn Error>),
[INFO] [stderr]    |     ----------------- ^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CsvError` has a derived impl for the trait `Debug`, but this is 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] 26 -     CouldNotParseLine(Box<dyn Error>),
[INFO] [stderr] 26 +     CouldNotParseLine(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/csv.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 |     CouldNotParseValue(String),
[INFO] [stderr]    |     ------------------ ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CsvError` has a derived impl for the trait `Debug`, but this is 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] 28 -     CouldNotParseValue(String),
[INFO] [stderr] 28 +     CouldNotParseValue(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/csv.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |     LineTooShort(CsvLineLen),
[INFO] [stderr]    |     ------------ ^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CsvError` has a derived impl for the trait `Debug`, but this is 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] 29 -     LineTooShort(CsvLineLen),
[INFO] [stderr] 29 +     LineTooShort(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/csv.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |     LineTooLong(CsvLineLen),
[INFO] [stderr]    |     ----------- ^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CsvError` has a derived impl for the trait `Debug`, but this is 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] 30 -     LineTooLong(CsvLineLen),
[INFO] [stderr] 30 +     LineTooLong(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-custom-error-kata` (bin "rust-custom-error-kata" test) generated 7 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_custom_error_kata-926636a5531dc060)
[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" "d1d33bdca48ea69e87490a61bea9fe13211221bf255988f281961fca944d2fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d33bdca48ea69e87490a61bea9fe13211221bf255988f281961fca944d2fa6", kill_on_drop: false }`
[INFO] [stdout] d1d33bdca48ea69e87490a61bea9fe13211221bf255988f281961fca944d2fa6
