[INFO] fetching crate termcol 0.1.1...
[INFO] testing termcol-0.1.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate termcol 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate termcol 0.1.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate termcol 0.1.1
[INFO] finished tweaking crates.io crate termcol 0.1.1
[INFO] tweaked toml for crates.io crate termcol 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate termcol 0.1.1 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6a2447be5caa5daaa9be6c15293a0489a862bdc9a3b43a214357d3280f69e17
[INFO] running `Command { std: "docker" "start" "-a" "a6a2447be5caa5daaa9be6c15293a0489a862bdc9a3b43a214357d3280f69e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6a2447be5caa5daaa9be6c15293a0489a862bdc9a3b43a214357d3280f69e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a2447be5caa5daaa9be6c15293a0489a862bdc9a3b43a214357d3280f69e17", kill_on_drop: false }`
[INFO] [stdout] a6a2447be5caa5daaa9be6c15293a0489a862bdc9a3b43a214357d3280f69e17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23997d624071976f94a0beabd2fd8b5848bf0ec8a6d17f7a9601f88597427f99
[INFO] running `Command { std: "docker" "start" "-a" "23997d624071976f94a0beabd2fd8b5848bf0ec8a6d17f7a9601f88597427f99", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcol v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "23997d624071976f94a0beabd2fd8b5848bf0ec8a6d17f7a9601f88597427f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23997d624071976f94a0beabd2fd8b5848bf0ec8a6d17f7a9601f88597427f99", kill_on_drop: false }`
[INFO] [stdout] 23997d624071976f94a0beabd2fd8b5848bf0ec8a6d17f7a9601f88597427f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2534c4f35427dee640f7b6f4a0a7de3580610407eef931bef349cc961bf0ff26
[INFO] running `Command { std: "docker" "start" "-a" "2534c4f35427dee640f7b6f4a0a7de3580610407eef931bef349cc961bf0ff26", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcol v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "2534c4f35427dee640f7b6f4a0a7de3580610407eef931bef349cc961bf0ff26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2534c4f35427dee640f7b6f4a0a7de3580610407eef931bef349cc961bf0ff26", kill_on_drop: false }`
[INFO] [stdout] 2534c4f35427dee640f7b6f4a0a7de3580610407eef931bef349cc961bf0ff26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5cb5f900fe338102bed38405ae0381e4f9eeb2a651784b88fa47892f57750f4c
[INFO] running `Command { std: "docker" "start" "-a" "5cb5f900fe338102bed38405ae0381e4f9eeb2a651784b88fa47892f57750f4c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/termcol-d0d806ece8fcb379)
[INFO] [stdout] 
[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] [stderr]    Doc-tests termcol
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - clean_output (line 32) - compile ... ok
[INFO] [stdout] test src/lib.rs - format_string (line 295) - compile ... ok
[INFO] [stdout] test src/lib.rs - true_color_hex (line 213) - compile ... ok
[INFO] [stdout] test src/lib.rs - color (line 86) - compile ... ok
[INFO] [stdout] test src/lib.rs - format (line 269) - compile ... ok
[INFO] [stdout] test src/lib.rs - true_color (line 162) - compile ... ok
[INFO] [stdout] test src/lib.rs - color_string (line 120) - compile ... ok
[INFO] [stdout] test src/lib.rs - true_color_string_hex (line 241) - compile ... ok
[INFO] [stdout] test src/lib.rs - true_color_string (line 184) - compile ... ok
[INFO] [stdout] test src/lib.rs - optimize (line 327) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - optimize (line 327) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `string_to_optimize` in this scope
[INFO] [stdout]  --> src/lib.rs:331:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | let better_string = optimize(&string_to_optimize);
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - optimize (line 327)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5cb5f900fe338102bed38405ae0381e4f9eeb2a651784b88fa47892f57750f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cb5f900fe338102bed38405ae0381e4f9eeb2a651784b88fa47892f57750f4c", kill_on_drop: false }`
[INFO] [stdout] 5cb5f900fe338102bed38405ae0381e4f9eeb2a651784b88fa47892f57750f4c
[INFO] testing termcol-0.1.1 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate termcol 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate termcol 0.1.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate termcol 0.1.1
[INFO] finished tweaking crates.io crate termcol 0.1.1
[INFO] tweaked toml for crates.io crate termcol 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate termcol 0.1.1 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" "+beta-2023-12-22" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4db3e1ece9166fc5a59d3cec908e7133634eebcaba98a976d3c251c90a3933c
[INFO] running `Command { std: "docker" "start" "-a" "a4db3e1ece9166fc5a59d3cec908e7133634eebcaba98a976d3c251c90a3933c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4db3e1ece9166fc5a59d3cec908e7133634eebcaba98a976d3c251c90a3933c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4db3e1ece9166fc5a59d3cec908e7133634eebcaba98a976d3c251c90a3933c", kill_on_drop: false }`
[INFO] [stdout] a4db3e1ece9166fc5a59d3cec908e7133634eebcaba98a976d3c251c90a3933c
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ad13547ffdc62ed4b188525d89b57a161f4257cb68a60baeb42eb61d9345991
[INFO] running `Command { std: "docker" "start" "-a" "0ad13547ffdc62ed4b188525d89b57a161f4257cb68a60baeb42eb61d9345991", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcol v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "0ad13547ffdc62ed4b188525d89b57a161f4257cb68a60baeb42eb61d9345991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ad13547ffdc62ed4b188525d89b57a161f4257cb68a60baeb42eb61d9345991", kill_on_drop: false }`
[INFO] [stdout] 0ad13547ffdc62ed4b188525d89b57a161f4257cb68a60baeb42eb61d9345991
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00136480c5d23ec6f4a28408e34614a2fb183a02cf29d360c93e434ee8069588
[INFO] running `Command { std: "docker" "start" "-a" "00136480c5d23ec6f4a28408e34614a2fb183a02cf29d360c93e434ee8069588", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcol v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "00136480c5d23ec6f4a28408e34614a2fb183a02cf29d360c93e434ee8069588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00136480c5d23ec6f4a28408e34614a2fb183a02cf29d360c93e434ee8069588", kill_on_drop: false }`
[INFO] [stdout] 00136480c5d23ec6f4a28408e34614a2fb183a02cf29d360c93e434ee8069588
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b21de969b1d7fe879d719bec12d8cd2c2bb9b907403246994400243245ada05b
[INFO] running `Command { std: "docker" "start" "-a" "b21de969b1d7fe879d719bec12d8cd2c2bb9b907403246994400243245ada05b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/termcol-373c3731199bf103)
[INFO] [stdout] 
[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] [stderr]    Doc-tests termcol
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - format_string (line 295) - compile ... ok
[INFO] [stdout] test src/lib.rs - color (line 86) - compile ... ok
[INFO] [stdout] test src/lib.rs - format (line 269) - compile ... ok
[INFO] [stdout] test src/lib.rs - color_string (line 120) - compile ... ok
[INFO] [stdout] test src/lib.rs - true_color_string_hex (line 241) - compile ... ok
[INFO] [stdout] test src/lib.rs - true_color_hex (line 213) - compile ... ok
[INFO] [stdout] test src/lib.rs - true_color (line 162) - compile ... ok
[INFO] [stdout] test src/lib.rs - clean_output (line 32) - compile ... ok
[INFO] [stdout] test src/lib.rs - optimize (line 327) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - true_color_string (line 184) - compile ... ok
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - optimize (line 327) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `string_to_optimize` in this scope
[INFO] [stdout]  --> src/lib.rs:331:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | let better_string = optimize(&string_to_optimize);
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - optimize (line 327)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b21de969b1d7fe879d719bec12d8cd2c2bb9b907403246994400243245ada05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21de969b1d7fe879d719bec12d8cd2c2bb9b907403246994400243245ada05b", kill_on_drop: false }`
[INFO] [stdout] b21de969b1d7fe879d719bec12d8cd2c2bb9b907403246994400243245ada05b
