[INFO] cloning repository https://github.com/dotcodeschool/dotcodeschool-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dotcodeschool/dotcodeschool-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotcodeschool%2Fdotcodeschool-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotcodeschool%2Fdotcodeschool-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ced2d4647a932bef7df1abc243681c36008d2548
[INFO] checking dotcodeschool/dotcodeschool-cli against master#ff647322379c48947c196639599067665ff9eb88 for pr-151539-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotcodeschool%2Fdotcodeschool-cli" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dotcodeschool/dotcodeschool-cli
[INFO] finished tweaking git repo https://github.com/dotcodeschool/dotcodeschool-cli
[INFO] tweaked toml for git repo https://github.com/dotcodeschool/dotcodeschool-cli written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dotcodeschool/dotcodeschool-cli on toolchain ff647322379c48947c196639599067665ff9eb88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dotcodeschool/dotcodeschool-cli 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" "+ff647322379c48947c196639599067665ff9eb88" "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-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "926355728b7b491c8771690aeaba7767cbd93e2d81691ace4cd6f53b6af6f753", 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" "926355728b7b491c8771690aeaba7767cbd93e2d81691ace4cd6f53b6af6f753" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "926355728b7b491c8771690aeaba7767cbd93e2d81691ace4cd6f53b6af6f753", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/monitor.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[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: `rand::Rng`
[INFO] [stdout]   --> src/monitor.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ValidatorStateV1`, `ValidatorV1`, and `ValidatorVersion`
[INFO] [stdout]   --> src/monitor.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |         v1::{ValidatorStateV1, ValidatorV1},
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 32 |         ValidatorVersion,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/monitor.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[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: `rand::Rng`
[INFO] [stdout]   --> src/monitor.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rand::Rng;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ValidatorStateV1`, `ValidatorV1`, and `ValidatorVersion`
[INFO] [stdout]   --> src/monitor.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |         v1::{ValidatorStateV1, ValidatorV1},
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 32 |         ValidatorVersion,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/validator/v1.rs:243:25
[INFO] [stdout]     |
[INFO] [stdout] 233 |                         (_, _, false) => Self {
[INFO] [stdout]     |                         ------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 243 |                         (_, true, false) => Self {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/validator/v1.rs:252:25
[INFO] [stdout]     |
[INFO] [stdout] 233 |                         (_, _, false) => Self {
[INFO] [stdout]     |                         ------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 252 |                         (true, false, false) => Self {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/validator/v1.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 233 |                         (_, _, false) => Self {
[INFO] [stdout]     |                         ------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         (false, false, false) => Self {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HASH_SIZE` is never used
[INFO] [stdout]   --> src/db.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const HASH_SIZE: usize = 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: function `hash` is never used
[INFO] [stdout]    --> src/db.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub fn hash(words: &[&str]) -> String {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> src/models.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct User {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tester` is never read
[INFO] [stdout]   --> src/monitor.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct Monitor {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 56 |     course: JsonCourseVersion,
[INFO] [stdout] 57 |     tester: TesterDefinition,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `into_runner_staggered` and `tests_accumulate_some` are never used
[INFO] [stdout]    --> src/monitor.rs:168:12
[INFO] [stdout]     |
[INFO] [stdout]  62 | impl Monitor {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn into_runner_staggered(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 389 |     fn tests_accumulate_some(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JsonTestSuiteV1` is never constructed
[INFO] [stdout]   --> src/parsing/v1/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct JsonTestSuiteV1 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JsonRequisiteV1` is never constructed
[INFO] [stdout]    --> src/parsing/v1/mod.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct JsonRequisiteV1 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `JsonLevelV1` is never used
[INFO] [stdout]    --> src/parsing/v1/mod.rs:116:10
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub enum JsonLevelV1 {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `JsonLanguageV1` is never used
[INFO] [stdout]    --> src/parsing/v1/mod.rs:125:10
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub enum JsonLanguageV1 {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ValidatorVersion` is never used
[INFO] [stdout]  --> src/validator/mod.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum ValidatorVersion {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ValidatorStateV1` is never used
[INFO] [stdout]   --> src/validator/v1.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum ValidatorStateV1 {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ValidatorV1` is never constructed
[INFO] [stdout]   --> src/validator/v1.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct ValidatorV1 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/validator/v1.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl ValidatorV1 {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 30 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/validator/v1.rs:243:25
[INFO] [stdout]     |
[INFO] [stdout] 233 |                         (_, _, false) => Self {
[INFO] [stdout]     |                         ------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 243 |                         (_, true, false) => Self {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/validator/v1.rs:252:25
[INFO] [stdout]     |
[INFO] [stdout] 233 |                         (_, _, false) => Self {
[INFO] [stdout]     |                         ------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 252 |                         (true, false, false) => Self {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/validator/v1.rs:260:25
[INFO] [stdout]     |
[INFO] [stdout] 233 |                         (_, _, false) => Self {
[INFO] [stdout]     |                         ------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 260 |                         (false, false, false) => Self {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HASH_SIZE` is never used
[INFO] [stdout]   --> src/db.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const HASH_SIZE: usize = 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: function `hash` is never used
[INFO] [stdout]    --> src/db.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub fn hash(words: &[&str]) -> String {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> src/models.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct User {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tester` is never read
[INFO] [stdout]   --> src/monitor.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct Monitor {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 56 |     course: JsonCourseVersion,
[INFO] [stdout] 57 |     tester: TesterDefinition,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `into_runner_staggered` and `tests_accumulate_some` are never used
[INFO] [stdout]    --> src/monitor.rs:168:12
[INFO] [stdout]     |
[INFO] [stdout]  62 | impl Monitor {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn into_runner_staggered(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 389 |     fn tests_accumulate_some(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JsonTestSuiteV1` is never constructed
[INFO] [stdout]   --> src/parsing/v1/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct JsonTestSuiteV1 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JsonRequisiteV1` is never constructed
[INFO] [stdout]    --> src/parsing/v1/mod.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct JsonRequisiteV1 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `JsonLevelV1` is never used
[INFO] [stdout]    --> src/parsing/v1/mod.rs:116:10
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub enum JsonLevelV1 {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `JsonLanguageV1` is never used
[INFO] [stdout]    --> src/parsing/v1/mod.rs:125:10
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub enum JsonLanguageV1 {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ValidatorVersion` is never used
[INFO] [stdout]  --> src/validator/mod.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum ValidatorVersion {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ValidatorStateV1` is never used
[INFO] [stdout]   --> src/validator/v1.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum ValidatorStateV1 {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ValidatorV1` is never constructed
[INFO] [stdout]   --> src/validator/v1.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct ValidatorV1 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/validator/v1.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl ValidatorV1 {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 30 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 30s
[INFO] running `Command { std: "docker" "inspect" "926355728b7b491c8771690aeaba7767cbd93e2d81691ace4cd6f53b6af6f753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "926355728b7b491c8771690aeaba7767cbd93e2d81691ace4cd6f53b6af6f753", kill_on_drop: false }`
[INFO] [stdout] 926355728b7b491c8771690aeaba7767cbd93e2d81691ace4cd6f53b6af6f753
