[INFO] fetching crate string_colorization 1.0.0...
[INFO] testing string_colorization-1.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate string_colorization 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate string_colorization 1.0.0
[INFO] finished tweaking crates.io crate string_colorization 1.0.0
[INFO] tweaked toml for crates.io crate string_colorization 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate string_colorization 1.0.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding colored v2.2.0 (available: v3.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cea2775ef5fe3124cbe07a39d0142641b1f7a871a0b843f7ae4e7b13e8634aa
[INFO] running `Command { std: "docker" "start" "-a" "6cea2775ef5fe3124cbe07a39d0142641b1f7a871a0b843f7ae4e7b13e8634aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cea2775ef5fe3124cbe07a39d0142641b1f7a871a0b843f7ae4e7b13e8634aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cea2775ef5fe3124cbe07a39d0142641b1f7a871a0b843f7ae4e7b13e8634aa", kill_on_drop: false }`
[INFO] [stdout] 6cea2775ef5fe3124cbe07a39d0142641b1f7a871a0b843f7ae4e7b13e8634aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9aca2c00abcbc12f07b3874167c5ad99b2a0bd2e56dd8ca172bc50fd685e0738
[INFO] running `Command { std: "docker" "start" "-a" "9aca2c00abcbc12f07b3874167c5ad99b2a0bd2e56dd8ca172bc50fd685e0738", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling string_colorization v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "9aca2c00abcbc12f07b3874167c5ad99b2a0bd2e56dd8ca172bc50fd685e0738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aca2c00abcbc12f07b3874167c5ad99b2a0bd2e56dd8ca172bc50fd685e0738", kill_on_drop: false }`
[INFO] [stdout] 9aca2c00abcbc12f07b3874167c5ad99b2a0bd2e56dd8ca172bc50fd685e0738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ed5c8b6471c0af8e4b76a1c82c3b4ef0d6673e00cda06451ba1486b8c7109b3
[INFO] running `Command { std: "docker" "start" "-a" "3ed5c8b6471c0af8e4b76a1c82c3b4ef0d6673e00cda06451ba1486b8c7109b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_colorization v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "3ed5c8b6471c0af8e4b76a1c82c3b4ef0d6673e00cda06451ba1486b8c7109b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed5c8b6471c0af8e4b76a1c82c3b4ef0d6673e00cda06451ba1486b8c7109b3", kill_on_drop: false }`
[INFO] [stdout] 3ed5c8b6471c0af8e4b76a1c82c3b4ef0d6673e00cda06451ba1486b8c7109b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9381224014d7f8faedee9f8d78bcf867d81d14d0d95643a593f074ec31f21a7
[INFO] running `Command { std: "docker" "start" "-a" "b9381224014d7f8faedee9f8d78bcf867d81d14d0d95643a593f074ec31f21a7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/string_colorization-301202561f8ea478)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string_colorization
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/lib.rs - Colorizer::style_const (line 173) ... ok
[INFO] [stdout] test src/lib.rs - Colorizer (line 256) ... ok
[INFO] [stdout] test src/lib.rs - Colorizer (line 243) ... ok
[INFO] [stdout] test src/lib.rs - Colorizer::join_with (line 411) ... ok
[INFO] [stdout] test src/lib.rs - (line 51) ... ok
[INFO] [stdout] test src/lib.rs - Colorizer::background (line 158) ... ok
[INFO] [stdout] test src/lib.rs - Colorizer::styles (line 462) ... ok
[INFO] [stdout] test src/lib.rs - Colorizer::foreground (line 143) ... ok
[INFO] [stdout] test src/lib.rs - Colorizer::join_with (line 386) ... ok
[INFO] [stdout] test src/lib.rs - Colorizer (line 231) ... ok
[INFO] [stdout] test src/lib.rs - Colorizer::join_with (line 365) ... ok
[INFO] [stdout] test src/lib.rs - Colorizer::style (line 329) ... ok
[INFO] [stdout] test src/lib.rs - Colorizer::foreground (line 288) ... ok
[INFO] [stdout] test src/lib.rs - Colorizer (line 210) ... ok
[INFO] [stdout] test src/lib.rs - Colorizer::join_with (line 398) ... ok
[INFO] [stdout] test src/lib.rs - Colorizer::background (line 309) ... ok
[INFO] [stdout] test src/lib.rs - colorize (line 541) ... FAILED
[INFO] [stdout] test src/lib.rs - colorize (line 569) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - colorize (line 541) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] [31mR[0m[33ma[0m[33mi[0m[32mn[0m[34mb[0m[35mo[0m[37mw[0m
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (511) panicked at src/lib.rs:25:1:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: "\u{1b}[31mR\u{1b}[0m\u{1b}[33ma\u{1b}[0m\u{1b}[33mi\u{1b}[0m\u{1b}[32mn\u{1b}[0m\u{1b}[34mb\u{1b}[0m\u{1b}[35mo\u{1b}[0m\u{1b}[37mw\u{1b}[0m"
[INFO] [stdout]  right: "\u{1b}[31mR\u{1b}[0m\u{1b}[38;2;255;160;0ma\u{1b}[0m\u{1b}[33mi\u{1b}[0m\u{1b}[32mn\u{1b}[0m\u{1b}[34mb\u{1b}[0m\u{1b}[35mo\u{1b}[0m\u{1b}[37mw\u{1b}[0m"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e6b2261f53a - std[128c3efe2914e152]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e6b2261f53a - std[128c3efe2914e152]::backtrace_rs::backtrace::trace_unsynchronized::<std[128c3efe2914e152]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e6b2261f53a - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5e6b2261f53a - <<std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6771d259883166e6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5e6b2262fdaa - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5e6b2262fdaa - core[6771d259883166e6]::fmt::write
[INFO] [stdout]    6:     0x5e6b22622e92 - std[128c3efe2914e152]::io::default_write_fmt::<std[128c3efe2914e152]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x5e6b22622e92 - <std[128c3efe2914e152]::sys::stdio::unix::Stderr as std[128c3efe2914e152]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x5e6b2260b03f - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5e6b2260b03f - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5e6b2261b791 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5e6b2261b94b - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5e6b2260b0f8 - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5e6b226005b9 - std[128c3efe2914e152]::sys::backtrace::__rust_end_short_backtrace::<std[128c3efe2914e152]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5e6b2260b95d - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5e6b226304fc - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5e6b226303b3 - core[6771d259883166e6]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:439:17
[INFO] [stdout]   17:     0x5e6b225e4a68 - core::panicking::assert_failed::hd157d675ce899aa4
[INFO] [stdout]   18:     0x5e6b225e5fb3 - rust_out::main::_doctest_main_src_lib_rs_541_0::hc684bc33ce60d4b5
[INFO] [stdout]   19:     0x5e6b225e5b96 - rust_out::main::h82fb2350cf581080
[INFO] [stdout]   20:     0x5e6b225dbd63 - core::ops::function::FnOnce::call_once::ha255b9c9bfd362b0
[INFO] [stdout]   21:     0x5e6b225dba56 - std::sys::backtrace::__rust_begin_short_backtrace::h2d9a46d63e3b4cf7
[INFO] [stdout]   22:     0x5e6b225dba39 - std::rt::lang_start::{{closure}}::ha4a2862521902498
[INFO] [stdout]   23:     0x5e6b2261add4 - <&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   24:     0x5e6b2261add4 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stdout]   25:     0x5e6b2261add4 - std[128c3efe2914e152]::panicking::catch_unwind::<i32, &dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stdout]   26:     0x5e6b2261add4 - std[128c3efe2914e152]::panic::catch_unwind::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x5e6b2261add4 - std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x5e6b2261add4 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5e6b2261add4 - std[128c3efe2914e152]::panicking::catch_unwind::<isize, std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5e6b2261add4 - std[128c3efe2914e152]::panic::catch_unwind::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5e6b2261add4 - std[128c3efe2914e152]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x5e6b225dba21 - std::rt::lang_start::h45abc79480616123
[INFO] [stdout]   33:     0x5e6b225e6dd5 - main
[INFO] [stdout]   34:     0x7ddc669331ca - <unknown>
[INFO] [stdout]   35:     0x7ddc6693328b - __libc_start_main
[INFO] [stdout]   36:     0x5e6b225d9175 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 22) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] [31m[47mR[0m[31m[0m[33m[47ma[0m[33m[0m[33m[47mi[0m[33m[0m[32m[47mn[0m[32m[0m[34m[47mb[0m[34m[0m[35m[47mo[0m[35m[0m[37m[47mw[0m[37m[0m
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (550) panicked at src/lib.rs:26:1:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: "\u{1b}[31m\u{1b}[47mR\u{1b}[0m\u{1b}[31m\u{1b}[0m\u{1b}[33m\u{1b}[47ma\u{1b}[0m\u{1b}[33m\u{1b}[0m\u{1b}[33m\u{1b}[47mi\u{1b}[0m\u{1b}[33m\u{1b}[0m\u{1b}[32m\u{1b}[47mn\u{1b}[0m\u{1b}[32m\u{1b}[0m\u{1b}[34m\u{1b}[47mb\u{1b}[0m\u{1b}[34m\u{1b}[0m\u{1b}[35m\u{1b}[47mo\u{1b}[0m\u{1b}[35m\u{1b}[0m\u{1b}[37m\u{1b}[47mw\u{1b}[0m\u{1b}[37m\u{1b}[0m"
[INFO] [stdout]  right: "\u{1b}[31m\u{1b}[48;2;200;200;200mR\u{1b}[0m\u{1b}[31m\u{1b}[0m\u{1b}[38;2;255;160;0m\u{1b}[48;2;200;200;200ma\u{1b}[0m\u{1b}[38;2;255;160;0m\u{1b}[0m\u{1b}[33m\u{1b}[48;2;200;200;200mi\u{1b}[0m\u{1b}[33m\u{1b}[0m\u{1b}[32m\u{1b}[48;2;200;200;200mn\u{1b}[0m\u{1b}[32m\u{1b}[0m\u{1b}[34m\u{1b}[48;2;200;200;200mb\u{1b}[0m\u{1b}[34m\u{1b}[0m\u{1b}[35m\u{1b}[48;2;200;200;200mo\u{1b}[0m\u{1b}[35m\u{1b}[0m\u{1b}[37m\u{1b}[48;2;200;200;200mw\u{1b}[0m\u{1b}[37m\u{1b}[0m"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x567e68ea180a - std[128c3efe2914e152]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x567e68ea180a - std[128c3efe2914e152]::backtrace_rs::backtrace::trace_unsynchronized::<std[128c3efe2914e152]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x567e68ea180a - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x567e68ea180a - <<std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6771d259883166e6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x567e68eb207a - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x567e68eb207a - core[6771d259883166e6]::fmt::write
[INFO] [stdout]    6:     0x567e68ea5162 - std[128c3efe2914e152]::io::default_write_fmt::<std[128c3efe2914e152]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x567e68ea5162 - <std[128c3efe2914e152]::sys::stdio::unix::Stderr as std[128c3efe2914e152]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x567e68e8d30f - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x567e68e8d30f - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x567e68e9da61 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x567e68e9dc1b - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x567e68e8d3c8 - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x567e68e82889 - std[128c3efe2914e152]::sys::backtrace::__rust_end_short_backtrace::<std[128c3efe2914e152]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x567e68e8dc2d - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x567e68eb27cc - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x567e68eb2683 - core[6771d259883166e6]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:439:17
[INFO] [stdout]   17:     0x567e68e66bd8 - core::panicking::assert_failed::hd157d675ce899aa4
[INFO] [stdout]   18:     0x567e68e6817e - rust_out::main::_doctest_main_src_lib_rs_22_0::h90b76d9b6f878938
[INFO] [stdout]   19:     0x567e68e67d06 - rust_out::main::h82fb2350cf581080
[INFO] [stdout]   20:     0x567e68e5ded3 - core::ops::function::FnOnce::call_once::ha255b9c9bfd362b0
[INFO] [stdout]   21:     0x567e68e5dbc6 - std::sys::backtrace::__rust_begin_short_backtrace::h2d9a46d63e3b4cf7
[INFO] [stdout]   22:     0x567e68e5dba9 - std::rt::lang_start::{{closure}}::ha4a2862521902498
[INFO] [stdout]   23:     0x567e68e9d0a4 - <&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   24:     0x567e68e9d0a4 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stdout]   25:     0x567e68e9d0a4 - std[128c3efe2914e152]::panicking::catch_unwind::<i32, &dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stdout]   26:     0x567e68e9d0a4 - std[128c3efe2914e152]::panic::catch_unwind::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stdout]   27:     0x567e68e9d0a4 - std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:175:24
[INFO] [stdout]   28:     0x567e68e9d0a4 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x567e68e9d0a4 - std[128c3efe2914e152]::panicking::catch_unwind::<isize, std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x567e68e9d0a4 - std[128c3efe2914e152]::panic::catch_unwind::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x567e68e9d0a4 - std[128c3efe2914e152]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:171:5
[INFO] [stdout]   32:     0x567e68e5db91 - std::rt::lang_start::h45abc79480616123
[INFO] [stdout]   33:     0x567e68e68fa5 - main
[INFO] [stdout]   34:     0x721ba63421ca - <unknown>
[INFO] [stdout]   35:     0x721ba634228b - __libc_start_main
[INFO] [stdout]   36:     0x567e68e5b2e5 - _start
[INFO] [stdout]   37:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 22)
[INFO] [stdout]     src/lib.rs - colorize (line 541)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 17 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.35s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b9381224014d7f8faedee9f8d78bcf867d81d14d0d95643a593f074ec31f21a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9381224014d7f8faedee9f8d78bcf867d81d14d0d95643a593f074ec31f21a7", kill_on_drop: false }`
[INFO] [stdout] b9381224014d7f8faedee9f8d78bcf867d81d14d0d95643a593f074ec31f21a7
