[INFO] cloning repository https://github.com/Trimple/rust-tasks
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Trimple/rust-tasks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrimple%2Frust-tasks"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrimple%2Frust-tasks'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff5e866a6feb64ada7afaf189e0a20dc8e84cfd6
[INFO] checking Trimple/rust-tasks against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrimple%2Frust-tasks" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Trimple/rust-tasks on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Trimple/rust-tasks
[INFO] finished tweaking git repo https://github.com/Trimple/rust-tasks
[INFO] tweaked toml for git repo https://github.com/Trimple/rust-tasks written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Trimple/rust-tasks already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f8aa55d7734f46199a76c741effa773c76cb6e865f58af7bc7a9cd91cf318c3a
[INFO] running `"docker" "start" "-a" "f8aa55d7734f46199a76c741effa773c76cb6e865f58af7bc7a9cd91cf318c3a"`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking simple-numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant item is never used: `VOWELS`
[INFO] [stderr]  --> src/collections_tasks.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const VOWELS: [char; 12] = ['A', 'a', 'E', 'e', 'I', 'i', 'O', 'o', 'U', 'u', 'Y', 'y'];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_array_parameters`
[INFO] [stderr]  --> src/collections_tasks.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn calculate_array_parameters(input_array: &[i32])
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_average`
[INFO] [stderr]   --> src/collections_tasks.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn vector_average(input_vector: &mut Vec<i32>) -> f64
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_median`
[INFO] [stderr]   --> src/collections_tasks.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn vector_median(input_vector: &mut Vec<i32>) -> f64
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_mode`
[INFO] [stderr]   --> src/collections_tasks.rs:50:4
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn vector_mode(input_vector: &mut Vec<i32>) -> i32
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_string_to_pig_latin`
[INFO] [stderr]   --> src/collections_tasks.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn convert_string_to_pig_latin(input_string: &str)
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_vowel`
[INFO] [stderr]    --> src/collections_tasks.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn is_vowel(input_char: char) -> bool
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `console_bot`
[INFO] [stderr]    --> src/collections_tasks.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn console_bot()
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `VOWELS`
[INFO] [stderr]  --> src/collections_tasks.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | const VOWELS: [char; 12] = ['A', 'a', 'E', 'e', 'I', 'i', 'O', 'o', 'U', 'u', 'Y', 'y'];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_array_parameters`
[INFO] [stderr]  --> src/collections_tasks.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn calculate_array_parameters(input_array: &[i32])
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_average`
[INFO] [stderr]   --> src/collections_tasks.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn vector_average(input_vector: &mut Vec<i32>) -> f64
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_median`
[INFO] [stderr]   --> src/collections_tasks.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn vector_median(input_vector: &mut Vec<i32>) -> f64
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `vector_mode`
[INFO] [stderr]   --> src/collections_tasks.rs:50:4
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn vector_mode(input_vector: &mut Vec<i32>) -> i32
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_string_to_pig_latin`
[INFO] [stderr]   --> src/collections_tasks.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn convert_string_to_pig_latin(input_string: &str)
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_vowel`
[INFO] [stderr]    --> src/collections_tasks.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn is_vowel(input_char: char) -> bool
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `console_bot`
[INFO] [stderr]    --> src/collections_tasks.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn console_bot()
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `"docker" "inspect" "f8aa55d7734f46199a76c741effa773c76cb6e865f58af7bc7a9cd91cf318c3a"`
[INFO] running `"docker" "rm" "-f" "f8aa55d7734f46199a76c741effa773c76cb6e865f58af7bc7a9cd91cf318c3a"`
[INFO] [stdout] f8aa55d7734f46199a76c741effa773c76cb6e865f58af7bc7a9cd91cf318c3a