[INFO] cloning repository https://github.com/hasanhaja/codewars-katas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hasanhaja/codewars-katas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Fcodewars-katas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Fcodewars-katas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 348585997f7a4ec7975a03a376114bc7e64c6ed2
[INFO] testing hasanhaja/codewars-katas against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Fcodewars-katas" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hasanhaja/codewars-katas on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hasanhaja/codewars-katas
[INFO] finished tweaking git repo https://github.com/hasanhaja/codewars-katas
[INFO] tweaked toml for git repo https://github.com/hasanhaja/codewars-katas written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/hasanhaja/codewars-katas already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8dbc1e084ecb71f8dead605ef15f40328065056e695c64c2a3cba32ae86bf62
[INFO] running `Command { std: "docker" "start" "-a" "c8dbc1e084ecb71f8dead605ef15f40328065056e695c64c2a3cba32ae86bf62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8dbc1e084ecb71f8dead605ef15f40328065056e695c64c2a3cba32ae86bf62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8dbc1e084ecb71f8dead605ef15f40328065056e695c64c2a3cba32ae86bf62", kill_on_drop: false }`
[INFO] [stdout] c8dbc1e084ecb71f8dead605ef15f40328065056e695c64c2a3cba32ae86bf62
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4094c847778df1e945827d711b658b430c96759d44e6eed081ecf85b9acbdcde
[INFO] running `Command { std: "docker" "start" "-a" "4094c847778df1e945827d711b658b430c96759d44e6eed081ecf85b9acbdcde", kill_on_drop: false }`
[INFO] [stderr]    Compiling codewars-katas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/common_denominator/mod.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     todo!("Sort the vector by the denominator");
[INFO] [stdout]    |     -------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 50 | 
[INFO] [stdout] 51 |     Vec::new()
[INFO] [stdout]    |     ^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list_of_fracs`
[INFO] [stdout]   --> src/common_denominator/mod.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let list_of_fracs: Vec<Fraction> = l.iter().map(|frac| Fraction::new(*frac)).collect();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_of_fracs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/common_denominator/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new(frac: (i64, i64)) -> Fraction {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/common_denominator/mod.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn value(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `convert_fracts`
[INFO] [stdout]   --> src/common_denominator/mod.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn convert_fracts(l: Vec<(i64, i64)>) -> Vec<(i64, i64)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `quicksort`
[INFO] [stdout]   --> src/common_denominator/mod.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn quicksort(nums: &mut Vec<i64>, low: usize, high: usize) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `partition`
[INFO] [stdout]   --> src/common_denominator/mod.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn partition(nums: &mut Vec<i64>, low: usize, high: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `swap`
[INFO] [stdout]   --> src/common_denominator/mod.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn swap(arr: &mut Vec<i64>, i: usize, j: usize) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "4094c847778df1e945827d711b658b430c96759d44e6eed081ecf85b9acbdcde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4094c847778df1e945827d711b658b430c96759d44e6eed081ecf85b9acbdcde", kill_on_drop: false }`
[INFO] [stdout] 4094c847778df1e945827d711b658b430c96759d44e6eed081ecf85b9acbdcde
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f500ff6baf330d95e102461ef1bd5fc01666b9efc58009fb22150fb5fc9df24
[INFO] running `Command { std: "docker" "start" "-a" "2f500ff6baf330d95e102461ef1bd5fc01666b9efc58009fb22150fb5fc9df24", kill_on_drop: false }`
[INFO] [stderr]    Compiling codewars-katas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/common_denominator/mod.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     todo!("Sort the vector by the denominator");
[INFO] [stdout]    |     -------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 50 | 
[INFO] [stdout] 51 |     Vec::new()
[INFO] [stdout]    |     ^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list_of_fracs`
[INFO] [stdout]   --> src/common_denominator/mod.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let list_of_fracs: Vec<Fraction> = l.iter().map(|frac| Fraction::new(*frac)).collect();
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_of_fracs`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "2f500ff6baf330d95e102461ef1bd5fc01666b9efc58009fb22150fb5fc9df24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f500ff6baf330d95e102461ef1bd5fc01666b9efc58009fb22150fb5fc9df24", kill_on_drop: false }`
[INFO] [stdout] 2f500ff6baf330d95e102461ef1bd5fc01666b9efc58009fb22150fb5fc9df24
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8e14a7e00a4050f7f2b359dbe3373ef51eb46171b6e381f6c1f0f9831ddcdde
[INFO] running `Command { std: "docker" "start" "-a" "d8e14a7e00a4050f7f2b359dbe3373ef51eb46171b6e381f6c1f0f9831ddcdde", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/common_denominator/mod.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     todo!("Sort the vector by the denominator");
[INFO] [stderr]    |     -------------------------------------------- any code following this expression is unreachable
[INFO] [stderr] 50 | 
[INFO] [stderr] 51 |     Vec::new()
[INFO] [stderr]    |     ^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `list_of_fracs`
[INFO] [stderr]   --> src/common_denominator/mod.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let list_of_fracs: Vec<Fraction> = l.iter().map(|frac| Fraction::new(*frac)).collect();
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_of_fracs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `codewars-katas` (bin "codewars-katas" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/codewars_katas-28d18c91b8111a02)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test common_denominator::test::compute_fraction_value ... ok
[INFO] [stdout] test common_denominator::test::quicksort_sorts_list_of_more_repeating_nums ... ok
[INFO] [stdout] test common_denominator::test::quicksort_sorts_list_of_repeating_nums ... ok
[INFO] [stdout] test common_denominator::test::quicksort_sorts_list_of_nums ... ok
[INFO] [stdout] test common_denominator::test::basics_convert_fracts ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- common_denominator::test::basics_convert_fracts stdout ----
[INFO] [stdout] thread 'common_denominator::test::basics_convert_fracts' panicked at 'not yet implemented: Sort the vector by the denominator', src/common_denominator/mod.rs:49:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55e9e44351b0 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55e9e44351b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55e9e44351b0 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55e9e44351b0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55e9e445797c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x55e9e4432115 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x55e9e443732b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55e9e443732b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55e9e443732b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55e9e4436e3c - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55e9e44379f4 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55e9e44374d7 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55e9e443568c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55e9e4437439 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55e9e43dd3b1 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55e9e43dfe65 - codewars_katas::common_denominator::convert_fracts::h13262cb9fcb08a79
[INFO] [stdout]                                at /opt/rustwide/workdir/src/common_denominator/mod.rs:49:5
[INFO] [stdout]   16:     0x55e9e43e07ac - codewars_katas::common_denominator::test::testing::h9280c41914320eef
[INFO] [stdout]                                at /opt/rustwide/workdir/src/common_denominator/mod.rs:94:20
[INFO] [stdout]   17:     0x55e9e43e0a28 - codewars_katas::common_denominator::test::basics_convert_fracts::hacb1bb6261cb95e3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/common_denominator/mod.rs:100:9
[INFO] [stdout]   18:     0x55e9e43e08ba - codewars_katas::common_denominator::test::basics_convert_fracts::{{closure}}::h5958ba8bbdf0cd5f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/common_denominator/mod.rs:98:5
[INFO] [stdout]   19:     0x55e9e43e14ee - core::ops::function::FnOnce::call_once::h94f08c1817252a0b
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55e9e4419a73 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55e9e4419a73 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x55e9e4418528 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x55e9e4418528 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55e9e4418528 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55e9e4418528 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55e9e4418528 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55e9e4418528 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x55e9e4418528 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x55e9e43e6cbd - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x55e9e43e6cbd - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55e9e43eb488 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x55e9e43eb488 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55e9e43eb488 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55e9e43eb488 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55e9e43eb488 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55e9e43eb488 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x55e9e43eb488 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55e9e443c567 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x55e9e443c567 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x55e9e443c567 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   41:     0x7f61325d2609 - start_thread
[INFO] [stdout]   42:     0x7f61323a4293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     common_denominator::test::basics_convert_fracts
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin codewars-katas'
[INFO] running `Command { std: "docker" "inspect" "d8e14a7e00a4050f7f2b359dbe3373ef51eb46171b6e381f6c1f0f9831ddcdde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8e14a7e00a4050f7f2b359dbe3373ef51eb46171b6e381f6c1f0f9831ddcdde", kill_on_drop: false }`
[INFO] [stdout] d8e14a7e00a4050f7f2b359dbe3373ef51eb46171b6e381f6c1f0f9831ddcdde
