[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] 51ce4bbe88e3846855abfb02a869e74b385d239a
[INFO] testing Bear-V/bear_codewars against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBear-V%2Fbear_codewars" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bear-V/bear_codewars 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/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-68/source/Cargo.toml
[INFO] crate git repo https://github.com/Bear-V/bear_codewars 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] e3fff163b94ddf32a4683a779f9fa65d911eb0d4b89172e83404568b5dac964e
[INFO] running `Command { std: "docker" "start" "-a" "e3fff163b94ddf32a4683a779f9fa65d911eb0d4b89172e83404568b5dac964e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3fff163b94ddf32a4683a779f9fa65d911eb0d4b89172e83404568b5dac964e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3fff163b94ddf32a4683a779f9fa65d911eb0d4b89172e83404568b5dac964e", kill_on_drop: false }`
[INFO] [stdout] e3fff163b94ddf32a4683a779f9fa65d911eb0d4b89172e83404568b5dac964e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 44d1c86ef63333a7b41e8cc50064ad1ae119349798f52a875e3007f57bd83011
[INFO] running `Command { std: "docker" "start" "-a" "44d1c86ef63333a7b41e8cc50064ad1ae119349798f52a875e3007f57bd83011", kill_on_drop: false }`
[INFO] [stderr]    Compiling code_war_for_me v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "44d1c86ef63333a7b41e8cc50064ad1ae119349798f52a875e3007f57bd83011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d1c86ef63333a7b41e8cc50064ad1ae119349798f52a875e3007f57bd83011", kill_on_drop: false }`
[INFO] [stdout] 44d1c86ef63333a7b41e8cc50064ad1ae119349798f52a875e3007f57bd83011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 0e3ff21f69f0c129cceb0505c8c060306b8f355e3841bbc8df293e2dffec032f
[INFO] running `Command { std: "docker" "start" "-a" "0e3ff21f69f0c129cceb0505c8c060306b8f355e3841bbc8df293e2dffec032f", kill_on_drop: false }`
[INFO] [stderr]    Compiling code_war_for_me v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `code_war_for_me` due to 4 previous errors
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `float_eq`
[INFO] [stdout]   --> tests/hell_parabolic_arc_length.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | use float_eq::float_eq;
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `float_eq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_num`
[INFO] [stdout]   --> tests/RGB_to_hex_conversion.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn check_num(n: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `float_eq`
[INFO] [stdout]   --> tests/hell_parabolic_arc_length.rs:54:15
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let res = float_eq!(actual, expected, abs <= merr) || float_eq!(actual, expected, rmax <= merr);
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RGB_to_hex_conversion` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rgb_to_hex_conversion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `float_eq`
[INFO] [stdout]   --> tests/hell_parabolic_arc_length.rs:54:59
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let res = float_eq!(actual, expected, abs <= merr) || float_eq!(actual, expected, rmax <= merr);
[INFO] [stdout]    |                                                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_num`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: crate `int32_to_IPv4` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `int32_to_ipv4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid character `!` in crate name: `number_of_trailing_zeros_of_n!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Street_fighter_2_character_selection_part_2` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `street_fighter_2_character_selection_part_2`
[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 undeclared crate or module `float_eq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `float_eq`
[INFO] [stdout]   --> tests/difficult_magnet_particules_in_boxes.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let res = float_eq!(actual, expected, abs <= merr) || float_eq!(actual, expected, rmax <= merr);
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `float_eq`
[INFO] [stdout]   --> tests/difficult_magnet_particules_in_boxes.rs:20:63
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let res = float_eq!(actual, expected, abs <= merr) || float_eq!(actual, expected, rmax <= merr);
[INFO] [stdout]    |                                                               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `consecutive_k_Primes` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `consecutive_k_primes`
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0e3ff21f69f0c129cceb0505c8c060306b8f355e3841bbc8df293e2dffec032f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3ff21f69f0c129cceb0505c8c060306b8f355e3841bbc8df293e2dffec032f", kill_on_drop: false }`
[INFO] [stdout] 0e3ff21f69f0c129cceb0505c8c060306b8f355e3841bbc8df293e2dffec032f