[INFO] cloning repository https://github.com/luong2k3dev/Rust-Bootcamp-2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luong2k3dev/Rust-Bootcamp-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluong2k3dev%2FRust-Bootcamp-2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluong2k3dev%2FRust-Bootcamp-2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 755c87a6bf32f9d8569b44d003a5e8ec7dd4ee3f
[INFO] checking luong2k3dev/Rust-Bootcamp-2023 against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluong2k3dev%2FRust-Bootcamp-2023" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luong2k3dev/Rust-Bootcamp-2023 on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luong2k3dev/Rust-Bootcamp-2023
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/luong2k3dev/Rust-Bootcamp-2023
[INFO] tweaked toml for git repo https://github.com/luong2k3dev/Rust-Bootcamp-2023 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/luong2k3dev/Rust-Bootcamp-2023 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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 411cf671ca3af943fabcf63090a5bc2474fbf05523b81c30f5d6435df456e48b
[INFO] running `Command { std: "docker" "start" "-a" "411cf671ca3af943fabcf63090a5bc2474fbf05523b81c30f5d6435df456e48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "411cf671ca3af943fabcf63090a5bc2474fbf05523b81c30f5d6435df456e48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411cf671ca3af943fabcf63090a5bc2474fbf05523b81c30f5d6435df456e48b", kill_on_drop: false }`
[INFO] [stdout] 411cf671ca3af943fabcf63090a5bc2474fbf05523b81c30f5d6435df456e48b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5568fbc5c2ef269b615b436e039247ee12f4a0c37b3a981adb422af32a37aead
[INFO] running `Command { std: "docker" "start" "-a" "5568fbc5c2ef269b615b436e039247ee12f4a0c37b3a981adb422af32a37aead", kill_on_drop: false }`
[INFO] [stderr]     Checking Rust-Bootcamp-2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking basic-of-rust v0.1.0 (/opt/rustwide/workdir/exercises/basic-of-rust)
[INFO] [stdout] warning: function `bigger` is never used
[INFO] [stdout]  --> exercises/basic-of-rust/src/conditions.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn bigger(a: i32, b: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_number` is never used
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn check_number(number: i32) -> &'static str {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `foo_if_fizz` is never used
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn foo_if_fizz(fizzish: &str) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_leap_year` is never used
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn is_leap_year(year: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial` is never used
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn factorial(n: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_prime` is never used
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn is_prime(n: u32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exercise2` is never used
[INFO] [stdout]  --> exercises/basic-of-rust/src/strings.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn exercise2() -> String {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exercise3` is never used
[INFO] [stdout]   --> exercises/basic-of-rust/src/strings.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn exercise3() -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse_string` is never used
[INFO] [stdout]   --> exercises/basic-of-rust/src/strings.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn reverse_string(input: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]   --> exercises/basic-of-rust/src/strings.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn is_palindrome(word: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_char_occurrences` is never used
[INFO] [stdout]   --> exercises/basic-of-rust/src/strings.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn count_char_occurrences(string: &str, ch: char) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum` is never used
[INFO] [stdout]  --> exercises/basic-of-rust/src/functions.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn sum(x: i32, y: i32) -> i32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_one_to_n` is never used
[INFO] [stdout]   --> exercises/basic-of-rust/src/functions.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn sum_one_to_n(n: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_average` is never used
[INFO] [stdout]   --> exercises/basic-of-rust/src/functions.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn calculate_average(numbers: &[f64]) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_even_numbers` is never used
[INFO] [stdout]   --> exercises/basic-of-rust/src/functions.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn sum_even_numbers(numbers: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "5568fbc5c2ef269b615b436e039247ee12f4a0c37b3a981adb422af32a37aead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5568fbc5c2ef269b615b436e039247ee12f4a0c37b3a981adb422af32a37aead", kill_on_drop: false }`
[INFO] [stdout] 5568fbc5c2ef269b615b436e039247ee12f4a0c37b3a981adb422af32a37aead