[INFO] cloning repository https://github.com/adaschevici/cch-2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adaschevici/cch-2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadaschevici%2Fcch-2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadaschevici%2Fcch-2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 161499931567702f3668c91d33dbcb4da847f88b
[INFO] checking adaschevici/cch-2024 against master#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadaschevici%2Fcch-2024" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/adaschevici/cch-2024
[INFO] finished tweaking git repo https://github.com/adaschevici/cch-2024
[INFO] tweaked toml for git repo https://github.com/adaschevici/cch-2024 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/adaschevici/cch-2024 on toolchain 292be5c7c05138d753bbd4b30db7a3f1a5c914f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/adaschevici/cch-2024 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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c581c550338cd8d474ea771b83d3125ba1b5c20df6ea826f34a09f6b4441611
[INFO] running `Command { std: "docker" "start" "-a" "9c581c550338cd8d474ea771b83d3125ba1b5c20df6ea826f34a09f6b4441611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c581c550338cd8d474ea771b83d3125ba1b5c20df6ea826f34a09f6b4441611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c581c550338cd8d474ea771b83d3125ba1b5c20df6ea826f34a09f6b4441611", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "7180b151db75adf36caf4fc813b9cb7fc518ef8c3fb51226978011c3192840c8", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `rand::prelude::SliceRandom`
[INFO] [stdout]  --> src/challenges/challenge12.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::SliceRandom;
[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::prelude::SliceRandom`
[INFO] [stdout]  --> src/challenges/challenge12.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::SliceRandom;
[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: `Json`
[INFO] [stdout]   --> src/challenges/challenge12.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Extension, Json, Router,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Json`
[INFO] [stdout]   --> src/challenges/challenge12.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Extension, Json, Router,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]   --> src/challenges/challenge12.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tokio::sync::{Mutex, RwLock};
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]   --> src/challenges/challenge12.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | use tokio::sync::{Mutex, RwLock};
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ops::DerefMut` and `time::Duration`
[INFO] [stdout]   --> src/challenges/challenge12.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::{ops::DerefMut, sync::Arc, time::Duration};
[INFO] [stdout]    |           ^^^^^^^^^^^^^             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/challenges/challenge16.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::sync::{Mutex, RwLock};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ops::DerefMut` and `time::Duration`
[INFO] [stdout]   --> src/challenges/challenge12.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::{ops::DerefMut, sync::Arc, time::Duration};
[INFO] [stdout]    |           ^^^^^^^^^^^^^             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::DerefMut`
[INFO] [stdout]  --> src/challenges/challenge16.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{ops::DerefMut, sync::Arc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/challenges/challenge16.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::sync::{Mutex, RwLock};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Extension` and `HeaderMap`
[INFO] [stdout]   --> src/challenges/challenge16.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     http::{header::SET_COOKIE, HeaderMap, StatusCode},
[INFO] [stdout]    |                                ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Extension, Json, Router,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::DerefMut`
[INFO] [stdout]  --> src/challenges/challenge16.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{ops::DerefMut, sync::Arc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Extension` and `HeaderMap`
[INFO] [stdout]   --> src/challenges/challenge16.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     http::{header::SET_COOKIE, HeaderMap, StatusCode},
[INFO] [stdout]    |                                ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Extension, Json, Router,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/challenges/challenge23.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/challenges/challenge23.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]   --> src/challenges/challenge9.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]   --> src/challenges/challenge9.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AppError` is never constructed
[INFO] [stdout]   --> src/challenges/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct AppError(anyhow::Error);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `octets` are never used
[INFO] [stdout]   --> src/challenges/challenge2.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Ipv4 {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 22 |     /// Create a new Ipv4 instance from four octets.
[INFO] [stdout] 23 |     pub fn new(a: u8, b: u8, c: u8, d: u8) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn octets(&self) -> [u8; 4] {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AppError` is never constructed
[INFO] [stdout]   --> src/challenges/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct AppError(anyhow::Error);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `segments` are never used
[INFO] [stdout]   --> src/challenges/challenge2.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl Ipv6 {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn new(s1: u16, s2: u16, s3: u16, s4: u16, s5: u16, s6: u16, s7: u16, s8: u16) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn segments(&self) -> [u16; 8] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnusableManifest` is never constructed
[INFO] [stdout]   --> src/challenges/challenge23.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum AppError {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 29 |     UnusableManifest,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AppError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `octets` are never used
[INFO] [stdout]   --> src/challenges/challenge2.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Ipv4 {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 22 |     /// Create a new Ipv4 instance from four octets.
[INFO] [stdout] 23 |     pub fn new(a: u8, b: u8, c: u8, d: u8) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn octets(&self) -> [u8; 4] {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `segments` are never used
[INFO] [stdout]   --> src/challenges/challenge2.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl Ipv6 {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn new(s1: u16, s2: u16, s3: u16, s4: u16, s5: u16, s6: u16, s7: u16, s8: u16) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn segments(&self) -> [u16; 8] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnusableManifest` is never constructed
[INFO] [stdout]   --> src/challenges/challenge23.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum AppError {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 29 |     UnusableManifest,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AppError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "7180b151db75adf36caf4fc813b9cb7fc518ef8c3fb51226978011c3192840c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7180b151db75adf36caf4fc813b9cb7fc518ef8c3fb51226978011c3192840c8", kill_on_drop: false }`
[INFO] [stdout] 7180b151db75adf36caf4fc813b9cb7fc518ef8c3fb51226978011c3192840c8
