[INFO] cloning repository https://github.com/Bear-V/bear_codewars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bear-V/bear_codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBear-V%2Fbear_codewars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBear-V%2Fbear_codewars'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 368e54fc9331019b52b067b8680ce97eabaf8698
[INFO] checking Bear-V/bear_codewars against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBear-V%2Fbear_codewars" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Bear-V/bear_codewars
[INFO] finished tweaking git repo https://github.com/Bear-V/bear_codewars
[INFO] tweaked toml for git repo https://github.com/Bear-V/bear_codewars written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bear-V/bear_codewars on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bear-V/bear_codewars 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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2031f3878b32f15377b2923646aaca97c478f422317f21235cd03e31b09ae984
[INFO] running `Command { std: "docker" "start" "-a" "2031f3878b32f15377b2923646aaca97c478f422317f21235cd03e31b09ae984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2031f3878b32f15377b2923646aaca97c478f422317f21235cd03e31b09ae984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2031f3878b32f15377b2923646aaca97c478f422317f21235cd03e31b09ae984", kill_on_drop: false }`
[INFO] [stdout] 2031f3878b32f15377b2923646aaca97c478f422317f21235cd03e31b09ae984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5473350fd5953da0522c34af936ef22432bf25ff940872ec72ed89515d1f0c8
[INFO] running `Command { std: "docker" "start" "-a" "c5473350fd5953da0522c34af936ef22432bf25ff940872ec72ed89515d1f0c8", kill_on_drop: false }`
[INFO] [stderr]     Checking code_war_for_me v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::string::FromUtf8Error`
[INFO] [stdout]  --> tests/replace_with_alphabet_position.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::string::FromUtf8Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_num` is never used
[INFO] [stdout]   --> tests/tribonacci_sequence.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn new_num(arr: &mut Vec<f64>, n: usize) -> &mut Vec<f64> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `triplets`
[INFO] [stdout]  --> tests/hell_recover_a_secret_string_from_random_triplets.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn recover_secret(triplets: Vec<[char; 3]>) -> String {
[INFO] [stdout]   |                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_triplets`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> tests/replace_with_alphabet_position.rs:12:59
[INFO] [stdout]    |
[INFO] [stdout] 12 |     lower_text.into_bytes().iter().enumerate().for_each(|(i, x)| {
[INFO] [stdout]    |                                                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected pattern, found keyword `in`
[INFO] [stdout]   --> tests/hell_decode_the_morse_code_advanced.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |     for  in  {
[INFO] [stdout]    |          ^^ expected pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `float_eq`
[INFO] [stdout]   --> tests/difficult_magnet_particules_in_boxes.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use float_eq::float_eq;
[INFO] [stdout]    |         ^^^^^^^^ use of unresolved module or unlinked crate `float_eq`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `float_eq`, use `cargo add float_eq` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `encoded`
[INFO] [stdout]   --> tests/hell_decode_the_morse_code_advanced.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn decode_morse(encoded: &str) -> String {
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoded`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `code_war_for_me` (test "number_of_trailing_zeros_of_n!") due to 1 previous error
[INFO] [stdout] error: invalid character '!' in crate name: `number_of_trailing_zeros_of_n!`
[INFO] [stdout]   |
[INFO] [stdout]   = help: you can either pass `--crate-name` on the command line or add `#![crate_name = "…"]` to set the crate name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `maxk`
[INFO] [stdout]  --> tests/difficult_magnet_particules_in_boxes.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn doubles(maxk: i32, maxn: i32) -> f64{
[INFO] [stdout]   |            ^^^^ help: if this is intentional, prefix it with an underscore: `_maxk`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `maxn`
[INFO] [stdout]  --> tests/difficult_magnet_particules_in_boxes.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn doubles(maxk: i32, maxn: i32) -> f64{
[INFO] [stdout]   |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_maxn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `code_war_for_me` (test "hell_decode_the_morse_code_advanced") due to 1 previous error; 1 warning emitted
[INFO] [stderr] error: could not compile `code_war_for_me` (test "difficult_magnet_particules_in_boxes") due to 1 previous error; 2 warnings emitted
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> tests/diophantine_equation.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn solequa(n: u64) -> Vec<(u64, u64)> {
[INFO] [stdout]   |            ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> tests/hell_snail.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut vec = vec![];
[INFO] [stdout]   |         ----^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5473350fd5953da0522c34af936ef22432bf25ff940872ec72ed89515d1f0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5473350fd5953da0522c34af936ef22432bf25ff940872ec72ed89515d1f0c8", kill_on_drop: false }`
[INFO] [stdout] c5473350fd5953da0522c34af936ef22432bf25ff940872ec72ed89515d1f0c8
