[INFO] cloning repository https://github.com/arnecdn/codewars_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arnecdn/codewars_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnecdn%2Fcodewars_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnecdn%2Fcodewars_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a671eab4cae26c5977c4dfbae4a117d966491031
[INFO] testing arnecdn/codewars_rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnecdn%2Fcodewars_rust" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arnecdn/codewars_rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arnecdn/codewars_rust
[INFO] finished tweaking git repo https://github.com/arnecdn/codewars_rust
[INFO] tweaked toml for git repo https://github.com/arnecdn/codewars_rust written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/arnecdn/codewars_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1d59f5403b3b0ed7d3ff3915655920dad28168ecff568cfaab5407050d0e289
[INFO] running `Command { std: "docker" "start" "-a" "e1d59f5403b3b0ed7d3ff3915655920dad28168ecff568cfaab5407050d0e289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1d59f5403b3b0ed7d3ff3915655920dad28168ecff568cfaab5407050d0e289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d59f5403b3b0ed7d3ff3915655920dad28168ecff568cfaab5407050d0e289", kill_on_drop: false }`
[INFO] [stdout] e1d59f5403b3b0ed7d3ff3915655920dad28168ecff568cfaab5407050d0e289
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7362b046664d54558e4c5a647d4655781b79a785c2d487af10901348557b5e11
[INFO] running `Command { std: "docker" "start" "-a" "7362b046664d54558e4c5a647d4655781b79a785c2d487af10901348557b5e11", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling codewars_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `two_sort`
[INFO] [stdout]  --> src/sort_and_star.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn two_sort(arr: &[&str]) -> String {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_difference`
[INFO] [stdout]  --> src/difference_of_volumes.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn find_difference(a: &[i32; 3], b: &[i32; 3]) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dna_to_rna`
[INFO] [stdout]  --> src/dna_to_rna.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn dna_to_rna(dna: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `litres`
[INFO] [stdout]  --> src/keep_hydrated.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn litres(time: f64) -> i32 {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_shape`
[INFO] [stdout]  --> src/build_a_sqare.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn generate_shape(n: i32) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_shape_best`
[INFO] [stdout]   --> src/build_a_sqare.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn generate_shape_best(n: i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `change`
[INFO] [stdout]  --> src/search_for_letters.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn change(string: &str) -> String {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_avg`
[INFO] [stdout]  --> src/looking_for_benefactor.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn new_avg(arr: &[f64], newavg: f64) -> Option<i32> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `consecutive_ducks`
[INFO] [stdout]  --> src/consecutive_ducks.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn consecutive_ducks
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pyramid_`
[INFO] [stdout]  --> src/billiards_triangle.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn pyramid_(balls: u16) -> u16 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "7362b046664d54558e4c5a647d4655781b79a785c2d487af10901348557b5e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7362b046664d54558e4c5a647d4655781b79a785c2d487af10901348557b5e11", kill_on_drop: false }`
[INFO] [stdout] 7362b046664d54558e4c5a647d4655781b79a785c2d487af10901348557b5e11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9a5ad123be91568fa58019468397d423f579ac988ab683dee4187898bcdbbe5
[INFO] running `Command { std: "docker" "start" "-a" "c9a5ad123be91568fa58019468397d423f579ac988ab683dee4187898bcdbbe5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling codewars_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `pyramid` in this scope
[INFO] [stdout]   --> src/billiards_triangle.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 9  | fn pyramid_(balls: u16) -> u16 {
[INFO] [stdout]    | ------------------------------ similarly named function `pyramid_` defined here
[INFO] [stdout] ...
[INFO] [stdout] 25 |         assert_eq!(pyramid(1), 1);
[INFO] [stdout]    |                    ^^^^^^^ help: a function with a similar name exists: `pyramid_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `pyramid` in this scope
[INFO] [stdout]   --> src/billiards_triangle.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 9  | fn pyramid_(balls: u16) -> u16 {
[INFO] [stdout]    | ------------------------------ similarly named function `pyramid_` defined here
[INFO] [stdout] ...
[INFO] [stdout] 26 |         assert_eq!(pyramid(4), 2);
[INFO] [stdout]    |                    ^^^^^^^ help: a function with a similar name exists: `pyramid_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `pyramid` in this scope
[INFO] [stdout]   --> src/billiards_triangle.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 9  | fn pyramid_(balls: u16) -> u16 {
[INFO] [stdout]    | ------------------------------ similarly named function `pyramid_` defined here
[INFO] [stdout] ...
[INFO] [stdout] 27 |         assert_eq!(pyramid(20), 5);
[INFO] [stdout]    |                    ^^^^^^^ help: a function with a similar name exists: `pyramid_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `pyramid` in this scope
[INFO] [stdout]   --> src/billiards_triangle.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 9  | fn pyramid_(balls: u16) -> u16 {
[INFO] [stdout]    | ------------------------------ similarly named function `pyramid_` defined here
[INFO] [stdout] ...
[INFO] [stdout] 28 |         assert_eq!(pyramid(100), 13);
[INFO] [stdout]    |                    ^^^^^^^ help: a function with a similar name exists: `pyramid_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `pyramid` in this scope
[INFO] [stdout]   --> src/billiards_triangle.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 9  | fn pyramid_(balls: u16) -> u16 {
[INFO] [stdout]    | ------------------------------ similarly named function `pyramid_` defined here
[INFO] [stdout] ...
[INFO] [stdout] 29 |         assert_eq!(pyramid(2211), 66);
[INFO] [stdout]    |                    ^^^^^^^ help: a function with a similar name exists: `pyramid_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `pyramid` in this scope
[INFO] [stdout]   --> src/billiards_triangle.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 9  | fn pyramid_(balls: u16) -> u16 {
[INFO] [stdout]    | ------------------------------ similarly named function `pyramid_` defined here
[INFO] [stdout] ...
[INFO] [stdout] 30 |         assert_eq!(pyramid(9999), 140);
[INFO] [stdout]    |                    ^^^^^^^ help: a function with a similar name exists: `pyramid_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/billiards_triangle.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `codewars_rust` due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c9a5ad123be91568fa58019468397d423f579ac988ab683dee4187898bcdbbe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a5ad123be91568fa58019468397d423f579ac988ab683dee4187898bcdbbe5", kill_on_drop: false }`
[INFO] [stdout] c9a5ad123be91568fa58019468397d423f579ac988ab683dee4187898bcdbbe5