[INFO] cloning repository https://github.com/veoquynhs/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/veoquynhs/rust-bootcamp-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveoquynhs%2Frust-bootcamp-2023", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveoquynhs%2Frust-bootcamp-2023'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9435475a90a409b9cbb5587769579ecaf470d4cc [INFO] checking veoquynhs/rust-bootcamp-2023 against master#1280928a99ad3ef2c5735b42dc8852456ae3b974 for pr-120798 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveoquynhs%2Frust-bootcamp-2023" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/veoquynhs/rust-bootcamp-2023 on toolchain 1280928a99ad3ef2c5735b42dc8852456ae3b974 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/veoquynhs/rust-bootcamp-2023 [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/veoquynhs/rust-bootcamp-2023 [INFO] tweaked toml for git repo https://github.com/veoquynhs/rust-bootcamp-2023 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/veoquynhs/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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking veoquynhs/rust-bootcamp-2023 against try#9b9e20bc79549d80ab413f49d990713851172cc1 for pr-120798 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fveoquynhs%2Frust-bootcamp-2023" "/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/veoquynhs/rust-bootcamp-2023 on toolchain 9b9e20bc79549d80ab413f49d990713851172cc1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/veoquynhs/rust-bootcamp-2023 [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/veoquynhs/rust-bootcamp-2023 [INFO] tweaked toml for git repo https://github.com/veoquynhs/rust-bootcamp-2023 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/veoquynhs/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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1af3adc4e2ad3fce330823bcecd6274f410b87282538cee0514348905ed2857f [INFO] running `Command { std: "docker" "start" "-a" "1af3adc4e2ad3fce330823bcecd6274f410b87282538cee0514348905ed2857f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1af3adc4e2ad3fce330823bcecd6274f410b87282538cee0514348905ed2857f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1af3adc4e2ad3fce330823bcecd6274f410b87282538cee0514348905ed2857f", kill_on_drop: false }` [INFO] [stdout] 1af3adc4e2ad3fce330823bcecd6274f410b87282538cee0514348905ed2857f [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b562ca4fd93665ae31bd7d665501ce5cf157b94df2076ff96f4c65b8e13864e [INFO] running `Command { std: "docker" "start" "-a" "4b562ca4fd93665ae31bd7d665501ce5cf157b94df2076ff96f4c65b8e13864e", 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: crate `Rust_Bootcamp_2023` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `rust_bootcamp_2023` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Rust_Bootcamp_2023` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = help: convert the identifier to snake case: `rust_bootcamp_2023` [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [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: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: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:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | 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:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | 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:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | 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: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:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | 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:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | 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] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "4b562ca4fd93665ae31bd7d665501ce5cf157b94df2076ff96f4c65b8e13864e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b562ca4fd93665ae31bd7d665501ce5cf157b94df2076ff96f4c65b8e13864e", kill_on_drop: false }` [INFO] [stdout] 4b562ca4fd93665ae31bd7d665501ce5cf157b94df2076ff96f4c65b8e13864e