[INFO] cloning repository https://github.com/PhamDucLong90/Rust_bootcamp_2023VietNam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhamDucLong90/Rust_bootcamp_2023VietNam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhamDucLong90%2FRust_bootcamp_2023VietNam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhamDucLong90%2FRust_bootcamp_2023VietNam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b07f5aaf03daf584f7db80696b175e1d700edac
[INFO] checking PhamDucLong90/Rust_bootcamp_2023VietNam against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhamDucLong90%2FRust_bootcamp_2023VietNam" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PhamDucLong90/Rust_bootcamp_2023VietNam on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PhamDucLong90/Rust_bootcamp_2023VietNam
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/PhamDucLong90/Rust_bootcamp_2023VietNam
[INFO] tweaked toml for git repo https://github.com/PhamDucLong90/Rust_bootcamp_2023VietNam written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/PhamDucLong90/Rust_bootcamp_2023VietNam 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f14aa140f4d68b4d32e9a746246b13da5a0769cce905aee2f55f78aa468cdbdf
[INFO] running `Command { std: "docker" "start" "-a" "f14aa140f4d68b4d32e9a746246b13da5a0769cce905aee2f55f78aa468cdbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f14aa140f4d68b4d32e9a746246b13da5a0769cce905aee2f55f78aa468cdbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f14aa140f4d68b4d32e9a746246b13da5a0769cce905aee2f55f78aa468cdbdf", kill_on_drop: false }`
[INFO] [stdout] f14aa140f4d68b4d32e9a746246b13da5a0769cce905aee2f55f78aa468cdbdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bcbc24d19ef952f08db037dda48c3ec0831f8a69b4587f168b00477320759f6
[INFO] running `Command { std: "docker" "start" "-a" "8bcbc24d19ef952f08db037dda48c3ec0831f8a69b4587f168b00477320759f6", 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] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         "Positive".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         "Negative".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         "Zero".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         "foo".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         "bar".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         "baz".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Rust-Bootcamp-2023` (test "conditions") due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `bigger` is never used
[INFO] [stdout]  --> exercises/basic-of-rust/src/conditions.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | 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:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | 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:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | 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:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | 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:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | 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:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | 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:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | 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:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | 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:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | 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:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | 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:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | 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:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn sum_even_numbers(numbers: &[i32]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         "Positive".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         "Negative".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         "Zero".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         "foo".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         "bar".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         "baz".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `basic-of-rust` (lib) due to 6 previous errors; 15 warnings emitted
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         "Positive".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         "Negative".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         "Zero".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         "foo".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         "bar".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `&str` to `&str`
[INFO] [stdout]   --> exercises/basic-of-rust/src/conditions.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         "baz".into()
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `basic-of-rust` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "8bcbc24d19ef952f08db037dda48c3ec0831f8a69b4587f168b00477320759f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bcbc24d19ef952f08db037dda48c3ec0831f8a69b4587f168b00477320759f6", kill_on_drop: false }`
[INFO] [stdout] 8bcbc24d19ef952f08db037dda48c3ec0831f8a69b4587f168b00477320759f6