[INFO] fetching crate termcol 0.1.1...
[INFO] testing termcol-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate termcol 0.1.1 into /workspace/builds/worker-1-tc2/source
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate termcol 0.1.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52ff44ea7be16acfdba87a3ccb1171d34661404c275992842ff3dcd7dfa7a135
[INFO] running `Command { std: "docker" "start" "-a" "52ff44ea7be16acfdba87a3ccb1171d34661404c275992842ff3dcd7dfa7a135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52ff44ea7be16acfdba87a3ccb1171d34661404c275992842ff3dcd7dfa7a135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ff44ea7be16acfdba87a3ccb1171d34661404c275992842ff3dcd7dfa7a135", kill_on_drop: false }`
[INFO] [stdout] 52ff44ea7be16acfdba87a3ccb1171d34661404c275992842ff3dcd7dfa7a135
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aae268c767a3eb7b96eba82208e4b52c35db83aaa36aa680a7288023a2d3510
[INFO] running `Command { std: "docker" "start" "-a" "7aae268c767a3eb7b96eba82208e4b52c35db83aaa36aa680a7288023a2d3510", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcol v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "7aae268c767a3eb7b96eba82208e4b52c35db83aaa36aa680a7288023a2d3510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aae268c767a3eb7b96eba82208e4b52c35db83aaa36aa680a7288023a2d3510", kill_on_drop: false }`
[INFO] [stdout] 7aae268c767a3eb7b96eba82208e4b52c35db83aaa36aa680a7288023a2d3510
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9429fb2099ed408feabbcb5b777e6415e92bf72851c62cbd7ea9d2df5ea88de4
[INFO] running `Command { std: "docker" "start" "-a" "9429fb2099ed408feabbcb5b777e6415e92bf72851c62cbd7ea9d2df5ea88de4", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcol v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "9429fb2099ed408feabbcb5b777e6415e92bf72851c62cbd7ea9d2df5ea88de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9429fb2099ed408feabbcb5b777e6415e92bf72851c62cbd7ea9d2df5ea88de4", kill_on_drop: false }`
[INFO] [stdout] 9429fb2099ed408feabbcb5b777e6415e92bf72851c62cbd7ea9d2df5ea88de4
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14ea663ca2b0b07ed7f17fb0e96d001c0890c7ccf9389e72144f8ba6ecb07123
[INFO] running `Command { std: "docker" "start" "-a" "14ea663ca2b0b07ed7f17fb0e96d001c0890c7ccf9389e72144f8ba6ecb07123", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/termcol-ce96ecc0bf0aab86)
[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 (line 269) - compile ... ok
[INFO] [stdout] test src/lib.rs - true_color_string_hex (line 241) - 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 (line 162) - compile ... ok
[INFO] [stdout] test src/lib.rs - color (line 86) - compile ... ok
[INFO] [stdout] test src/lib.rs - color_string (line 120) - compile ... ok
[INFO] [stdout] test src/lib.rs - true_color_hex (line 213) - compile ... ok
[INFO] [stdout] test src/lib.rs - format_string (line 295) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - true_color_string (line 184) - compile ... 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 0.42s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "14ea663ca2b0b07ed7f17fb0e96d001c0890c7ccf9389e72144f8ba6ecb07123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ea663ca2b0b07ed7f17fb0e96d001c0890c7ccf9389e72144f8ba6ecb07123", kill_on_drop: false }`
[INFO] [stdout] 14ea663ca2b0b07ed7f17fb0e96d001c0890c7ccf9389e72144f8ba6ecb07123