[INFO] cloning repository https://github.com/bklinh/Rust_Exercises [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bklinh/Rust_Exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbklinh%2FRust_Exercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbklinh%2FRust_Exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 91fd4c7acfae8ffd5d45832f1c6f7c218d5bd3ff [INFO] checking bklinh/Rust_Exercises against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbklinh%2FRust_Exercises" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] /workspace/builds/worker-7-tc2/source/.git/objects/info: No space left on device [INFO] checking bklinh/Rust_Exercises against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbklinh%2FRust_Exercises" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/bklinh/Rust_Exercises [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/bklinh/Rust_Exercises [INFO] tweaked toml for git repo https://github.com/bklinh/Rust_Exercises written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/bklinh/Rust_Exercises on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/bklinh/Rust_Exercises 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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: symlink ../8a071feee874f993ef3b3bf5e3ad53036470775855085a9b47336554eb6a0497/diff /var/lib/docker/overlay2/l/2SOXC6TD6VYGITGW4RF5X746HK: no space left on device [INFO] checking bklinh/Rust_Exercises against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbklinh%2FRust_Exercises" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-7-tc2/source/.git/config.lock [INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0' [INFO] checking bklinh/Rust_Exercises against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbklinh%2FRust_Exercises" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/bklinh/Rust_Exercises [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/bklinh/Rust_Exercises [INFO] tweaked toml for git repo https://github.com/bklinh/Rust_Exercises written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/bklinh/Rust_Exercises on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/bklinh/Rust_Exercises 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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 207439be57561267b66a67c01f49be0cd87049ce630698659015b377506b99b6 [INFO] running `Command { std: "docker" "start" "-a" "207439be57561267b66a67c01f49be0cd87049ce630698659015b377506b99b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "207439be57561267b66a67c01f49be0cd87049ce630698659015b377506b99b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "207439be57561267b66a67c01f49be0cd87049ce630698659015b377506b99b6", kill_on_drop: false }` [INFO] [stdout] 207439be57561267b66a67c01f49be0cd87049ce630698659015b377506b99b6 [INFO] checking bklinh/Rust_Exercises against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbklinh%2FRust_Exercises" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/bklinh/Rust_Exercises [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/bklinh/Rust_Exercises [INFO] tweaked toml for git repo https://github.com/bklinh/Rust_Exercises written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/bklinh/Rust_Exercises on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/bklinh/Rust_Exercises 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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 93adc9d7e275442fbf9bcddf4f182c16e71834d1f820cd2c95673d3ead1f3284 [INFO] running `Command { std: "docker" "start" "-a" "93adc9d7e275442fbf9bcddf4f182c16e71834d1f820cd2c95673d3ead1f3284", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93adc9d7e275442fbf9bcddf4f182c16e71834d1f820cd2c95673d3ead1f3284", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93adc9d7e275442fbf9bcddf4f182c16e71834d1f820cd2c95673d3ead1f3284", kill_on_drop: false }` [INFO] [stdout] 93adc9d7e275442fbf9bcddf4f182c16e71834d1f820cd2c95673d3ead1f3284 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d80a29df8eb513aa887e3a36e0bf38e29a089c8a8853215fde188241aae7bf2 [INFO] running `Command { std: "docker" "start" "-a" "7d80a29df8eb513aa887e3a36e0bf38e29a089c8a8853215fde188241aae7bf2", 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:37:8 [INFO] [stdout] | [INFO] [stdout] 37 | 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:71:4 [INFO] [stdout] | [INFO] [stdout] 71 | 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:84:4 [INFO] [stdout] | [INFO] [stdout] 84 | 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:18:4 [INFO] [stdout] | [INFO] [stdout] 18 | 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:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | 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:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | 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:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | 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:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | 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:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | 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" "7d80a29df8eb513aa887e3a36e0bf38e29a089c8a8853215fde188241aae7bf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d80a29df8eb513aa887e3a36e0bf38e29a089c8a8853215fde188241aae7bf2", kill_on_drop: false }` [INFO] [stdout] 7d80a29df8eb513aa887e3a36e0bf38e29a089c8a8853215fde188241aae7bf2