[INFO] cloning repository https://github.com/haoxue-tutor/erudify
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haoxue-tutor/erudify" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaoxue-tutor%2Ferudify", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f89248de6a6924d0c9908dedba08ace54b40cf3
[INFO] checking haoxue-tutor/erudify against master#c8a31b780d5415358566a20b94912620a3f27067 for pr-139493-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaoxue-tutor%2Ferudify" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/haoxue-tutor/erudify on toolchain c8a31b780d5415358566a20b94912620a3f27067
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/haoxue-tutor/erudify 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" "+c8a31b780d5415358566a20b94912620a3f27067" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c8a31b780d5415358566a20b94912620a3f27067" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `anes::*`
[INFO] [stdout]  --> src/bin/cli/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use anes::*;
[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: `Source`
[INFO] [stdout]   --> src/bin/cli/main.rs:19:42
[INFO] [stdout]    |
[INFO] [stdout] 19 | use rodio::{Decoder, OutputStream, Sink, Source};
[INFO] [stdout]    |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/bin/cli/main.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::io::{BufReader, Read, Write};
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader` and `fs::File`
[INFO] [stdout]  --> src/bin/cli/train.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 3 |     io::{self, BufReader},
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/bin/cli/train.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | use chrono::{Duration, Utc};
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decoder`
[INFO] [stdout]   --> src/bin/cli/train.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 | use rodio::{Decoder, OutputStream, Sink};
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anes::*`
[INFO] [stdout]  --> src/bin/cli/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use anes::*;
[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: `Source`
[INFO] [stdout]   --> src/bin/cli/main.rs:19:42
[INFO] [stdout]    |
[INFO] [stdout] 19 | use rodio::{Decoder, OutputStream, Sink, Source};
[INFO] [stdout]    |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/bin/cli/main.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::io::{BufReader, Read, Write};
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader` and `fs::File`
[INFO] [stdout]  --> src/bin/cli/train.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 3 |     io::{self, BufReader},
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/bin/cli/train.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | use chrono::{Duration, Utc};
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Decoder`
[INFO] [stdout]   --> src/bin/cli/train.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 | use rodio::{Decoder, OutputStream, Sink};
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExerciseCost` is never constructed
[INFO] [stdout]    --> src/bin/cli/main.rs:328:8
[INFO] [stdout]     |
[INFO] [stdout] 328 | struct ExerciseCost {
[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 `Course` is never constructed
[INFO] [stdout]    --> src/bin/cli/main.rs:343:8
[INFO] [stdout]     |
[INFO] [stdout] 343 | struct Course {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push_exercise`, and `exercise_cost` are never used
[INFO] [stdout]    --> src/bin/cli/main.rs:349:8
[INFO] [stdout]     |
[INFO] [stdout] 348 | impl Course {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 349 |     fn new(words: Vec<String>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     fn push_exercise(&mut self, exercise: Exercise) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 360 |     fn exercise_cost(&self, target_word: &str, exercise: &Exercise) -> ExerciseCost {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `join` is never used
[INFO] [stdout]   --> src/bin/cli/convert.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Segment {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 81 |     fn join(orig_chinese: &str, orig_pinyin: &str) -> Vec<Self> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ExerciseCost` is never constructed
[INFO] [stdout]    --> src/bin/cli/main.rs:328:8
[INFO] [stdout]     |
[INFO] [stdout] 328 | struct ExerciseCost {
[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 `Course` is never constructed
[INFO] [stdout]    --> src/bin/cli/main.rs:343:8
[INFO] [stdout]     |
[INFO] [stdout] 343 | struct Course {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push_exercise`, and `exercise_cost` are never used
[INFO] [stdout]    --> src/bin/cli/main.rs:349:8
[INFO] [stdout]     |
[INFO] [stdout] 348 | impl Course {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 349 |     fn new(words: Vec<String>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     fn push_exercise(&mut self, exercise: Exercise) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 360 |     fn exercise_cost(&self, target_word: &str, exercise: &Exercise) -> ExerciseCost {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.69s
[INFO] running `Command { std: "docker" "inspect" "f1280ba3a0da3d6ca9e3039b7fb53d7069b33e9c8e7959514d687b63b7de2cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1280ba3a0da3d6ca9e3039b7fb53d7069b33e9c8e7959514d687b63b7de2cc8", kill_on_drop: false }`
[INFO] [stdout] f1280ba3a0da3d6ca9e3039b7fb53d7069b33e9c8e7959514d687b63b7de2cc8
