[INFO] cloning repository https://github.com/turboladen/ml-fun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/turboladen/ml-fun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fturboladen%2Fml-fun", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d87b286e3cefb2be7cf1432d18179227a2a9830c
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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fturboladen%2Fml-fun" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
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[INFO] finished tweaking git repo https://github.com/turboladen/ml-fun
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+2ca7bcd03b87b52f7055a59b817443b0ac4a530d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] warning: fields `age`, `gender`, and `heart_rate` are never read
[INFO] [stdout]   --> ml-with-rust-book/ch2-read-csv/src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Record {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout]  8 |     #[serde(rename = "Age")]
[INFO] [stdout]  9 |     age: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     #[serde(rename = "Sex")]
[INFO] [stdout] 11 |     gender: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     #[serde(rename = "Heart Rate")]
[INFO] [stdout] 13 |     heart_rate: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` 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] 
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[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
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[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stdout] warning: fields `age`, `gender`, and `heart_rate` are never read
[INFO] [stdout]   --> ml-with-rust-book/ch2-read-csv/src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Record {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout]  8 |     #[serde(rename = "Age")]
[INFO] [stdout]  9 |     age: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     #[serde(rename = "Sex")]
[INFO] [stdout] 11 |     gender: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     #[serde(rename = "Heart Rate")]
[INFO] [stdout] 13 |     heart_rate: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` 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] 
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[INFO] [stderr]     Checking titanic-ml v0.2.0 (/opt/rustwide/workdir/titanic)
[INFO] [stdout] warning: method `percentage_of_sex_who_survived` is never used
[INFO] [stdout]   --> titanic/src/training_data.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl TrainingData {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn percentage_of_sex_who_survived(&self, sex: &str) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `percentage_of_sex_who_survived` is never used
[INFO] [stdout]   --> titanic/src/training_data.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl TrainingData {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn percentage_of_sex_who_survived(&self, sex: &str) -> anyhow::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "2467352f0f2618020801dd024f2814cc01152c29233d6c710b0a42bde707c46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2467352f0f2618020801dd024f2814cc01152c29233d6c710b0a42bde707c46b", kill_on_drop: false }`
[INFO] [stdout] 2467352f0f2618020801dd024f2814cc01152c29233d6c710b0a42bde707c46b
