[INFO] cloning repository https://github.com/debmalyaroy/kaggriculture
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/debmalyaroy/kaggriculture" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdebmalyaroy%2Fkaggriculture", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdebmalyaroy%2Fkaggriculture'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c681c269d9713de082468271b056cf410e246dc9
[INFO] checking debmalyaroy/kaggriculture/c681c269d9713de082468271b056cf410e246dc9 against 846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9 for pr-160391-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdebmalyaroy%2Fkaggriculture" "/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/debmalyaroy/kaggriculture
[INFO] finished tweaking git repo https://github.com/debmalyaroy/kaggriculture
[INFO] tweaked toml for git repo https://github.com/debmalyaroy/kaggriculture written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/debmalyaroy/kaggriculture on toolchain 846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/debmalyaroy/kaggriculture 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" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrow-ipc v60.0.0
[INFO] [stderr]   Downloaded atoi v3.1.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "65d02d65e5893447c34d7fa1bdc67794a7e60ee5cb26ce9fb6964498b6da3d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65d02d65e5893447c34d7fa1bdc67794a7e60ee5cb26ce9fb6964498b6da3d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "65d02d65e5893447c34d7fa1bdc67794a7e60ee5cb26ce9fb6964498b6da3d66" "/opt/rustwide/cargo-home/bin/cargo" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65d02d65e5893447c34d7fa1bdc67794a7e60ee5cb26ce9fb6964498b6da3d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "65d02d65e5893447c34d7fa1bdc67794a7e60ee5cb26ce9fb6964498b6da3d66" "/opt/rustwide/cargo-home/bin/cargo" "+846e51f66b1e7b49ba9e3988c58ccfe5817ce0a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking dayobs v0.1.0 (/opt/rustwide/workdir/crates/dayobs)
[INFO] [stderr]     Checking policy v0.1.0 (/opt/rustwide/workdir/crates/policy)
[INFO] [stderr]     Checking kagg-engine v0.1.0 (/opt/rustwide/workdir/crates/engine)
[INFO] [stderr]    Compiling zerocopy v0.8.57
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking arrow-schema v60.0.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling find-msvc-tools v0.1.13
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking lexical-util v1.0.7
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]    Compiling zerocopy-derive v0.8.57
[INFO] [stderr]     Checking num-bigint v0.5.1
[INFO] [stderr]    Compiling flatbuffers v25.12.19
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling zstd-safe v8.0.0
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]     Checking atoi v3.1.0
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking twox-hash v2.1.4
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking lexical-write-integer v1.0.6
[INFO] [stderr]     Checking lexical-parse-integer v1.0.6
[INFO] [stderr]     Checking lexical-parse-float v1.0.6
[INFO] [stderr]     Checking agent v0.1.0 (/opt/rustwide/workdir/crates/agent)
[INFO] [stderr]     Checking lexical-write-float v1.0.6
[INFO] [stderr]     Checking lexical-core v1.0.6
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]    Compiling cc v1.4.7
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling zstd-sys v2.1.0+zstd.1.5.7
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> crates/agent/src/tpp.rs:524:13
[INFO] [stdout]     |
[INFO] [stdout] 524 |         let mut pick = |ui: usize, pos: (i64, i64), seeds: &mut Vec<(&'static str, i64)>| -> Cmd {
[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] [stderr]     Checking runner v0.1.0 (/opt/rustwide/workdir/crates/runner)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> crates/agent/src/tpp.rs:524:13
[INFO] [stdout]     |
[INFO] [stdout] 524 |         let mut pick = |ui: usize, pos: (i64, i64), seeds: &mut Vec<(&'static str, i64)>| -> Cmd {
[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] [stderr]     Checking regex v1.13.1
[INFO] [stderr]     Checking serde v1.0.229
[INFO] [stderr]     Checking features v0.1.0 (/opt/rustwide/workdir/crates/features)
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking arrow-buffer v60.0.0
[INFO] [stderr]     Checking arrow-data v60.0.0
[INFO] [stderr]     Checking zstd v0.14.0
[INFO] [stderr]     Checking arrow-array v60.0.0
[INFO] [stderr]     Checking arrow-cmp v60.0.0
[INFO] [stderr]     Checking arrow-arith v60.0.0
[INFO] [stderr]     Checking arrow-row v60.0.0
[INFO] [stderr]     Checking arrow-select v60.0.0
[INFO] [stderr]     Checking arrow-ord v60.0.0
[INFO] [stderr]     Checking arrow-ipc v60.0.0
[INFO] [stderr]     Checking arrow-string v60.0.0
[INFO] [stderr]     Checking arrow-cast v60.0.0
[INFO] [stderr]     Checking parquet v60.0.0
[INFO] [stderr]     Checking arrow v60.0.0
[INFO] [stderr]     Checking corpus v0.1.0 (/opt/rustwide/workdir/crates/corpus)
[INFO] [stderr]     Checking tools v0.1.0 (/opt/rustwide/workdir/crates/tools)
[INFO] [stdout] warning: struct `SlimRow` is never constructed
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SlimRow {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn f(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> Option<f64> {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn n(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> Option<i64> {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `s` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn s(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> String {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn index(path: &Path) -> Result<Vec<SlimRow>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SlimRow` is never constructed
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SlimRow {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn f(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> Option<f64> {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn n(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> Option<i64> {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `s` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn s(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> String {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn index(path: &Path) -> Result<Vec<SlimRow>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SlimRow` is never constructed
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SlimRow {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn f(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> Option<f64> {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn n(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> Option<i64> {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `s` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn s(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> String {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn index(path: &Path) -> Result<Vec<SlimRow>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SlimRow` is never constructed
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SlimRow {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn f(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> Option<f64> {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn n(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> Option<i64> {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `s` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn s(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> String {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn index(path: &Path) -> Result<Vec<SlimRow>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `end_time`, `episode_type`, `sub`, `rating_min`, `rating_max`, and `coverage` are never read
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SlimRow {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub end_time: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 14 |     pub source: String,
[INFO] [stdout] 15 |     pub episode_type: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 16 |     pub sub: [Option<i64>; 2],
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 17 |     pub rating: [Option<f64>; 2],
[INFO] [stdout] 18 |     pub rating_min: Option<f64>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 19 |     pub rating_max: Option<f64>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 20 |     pub coverage: [Option<f64>; 2],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SlimRow` is never constructed
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SlimRow {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn f(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> Option<f64> {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn n(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> Option<i64> {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `s` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn s(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> String {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn index(path: &Path) -> Result<Vec<SlimRow>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SlimRow` is never constructed
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SlimRow {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `f` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn f(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> Option<f64> {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn n(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> Option<i64> {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `s` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn s(b: &arrow::record_batch::RecordBatch, name: &str, i: usize) -> String {
[INFO] [stdout]    |    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index` is never used
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn index(path: &Path) -> Result<Vec<SlimRow>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `end_time`, `episode_type`, `sub`, `rating_min`, `rating_max`, and `coverage` are never read
[INFO] [stdout]   --> crates/corpus/src/slimsrc.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SlimRow {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub end_time: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 14 |     pub source: String,
[INFO] [stdout] 15 |     pub episode_type: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 16 |     pub sub: [Option<i64>; 2],
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 17 |     pub rating: [Option<f64>; 2],
[INFO] [stdout] 18 |     pub rating_min: Option<f64>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 19 |     pub rating_max: Option<f64>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 20 |     pub coverage: [Option<f64>; 2],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/corpus/src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut need = |it: &mut dyn Iterator<Item = String>, k: &str| -> Result<String> {
[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: variable does not need to be mutable
[INFO] [stdout]   --> crates/corpus/src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut need = |it: &mut dyn Iterator<Item = String>, k: &str| -> Result<String> {
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.68s
[INFO] running `Command { std: "docker" "inspect" "65d02d65e5893447c34d7fa1bdc67794a7e60ee5cb26ce9fb6964498b6da3d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d02d65e5893447c34d7fa1bdc67794a7e60ee5cb26ce9fb6964498b6da3d66", kill_on_drop: false }`
[INFO] [stdout] 65d02d65e5893447c34d7fa1bdc67794a7e60ee5cb26ce9fb6964498b6da3d66
