[INFO] fetching crate markov_rope 0.1.0...
[INFO] testing markov_rope-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate markov_rope 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate markov_rope 0.1.0
[INFO] finished tweaking crates.io crate markov_rope 0.1.0
[INFO] tweaked toml for crates.io crate markov_rope 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate markov_rope 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24c2df54b192d8fc0e95d54ca3607d29441504e86e58565ed0b4d9fad68bc49f
[INFO] running `Command { std: "docker" "start" "-a" "24c2df54b192d8fc0e95d54ca3607d29441504e86e58565ed0b4d9fad68bc49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24c2df54b192d8fc0e95d54ca3607d29441504e86e58565ed0b4d9fad68bc49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c2df54b192d8fc0e95d54ca3607d29441504e86e58565ed0b4d9fad68bc49f", kill_on_drop: false }`
[INFO] [stdout] 24c2df54b192d8fc0e95d54ca3607d29441504e86e58565ed0b4d9fad68bc49f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f3f598b7131563602957a24fc89615d9c65866d2e726041f68aeff64920db39
[INFO] running `Command { std: "docker" "start" "-a" "4f3f598b7131563602957a24fc89615d9c65866d2e726041f68aeff64920db39", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling markov_rope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "4f3f598b7131563602957a24fc89615d9c65866d2e726041f68aeff64920db39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3f598b7131563602957a24fc89615d9c65866d2e726041f68aeff64920db39", kill_on_drop: false }`
[INFO] [stdout] 4f3f598b7131563602957a24fc89615d9c65866d2e726041f68aeff64920db39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 060c00640b8a77cb91932b2c96c4c6d71ff2190798093f126e635b522661e3fb
[INFO] running `Command { std: "docker" "start" "-a" "060c00640b8a77cb91932b2c96c4c6d71ff2190798093f126e635b522661e3fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling markov_rope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "060c00640b8a77cb91932b2c96c4c6d71ff2190798093f126e635b522661e3fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "060c00640b8a77cb91932b2c96c4c6d71ff2190798093f126e635b522661e3fb", kill_on_drop: false }`
[INFO] [stdout] 060c00640b8a77cb91932b2c96c4c6d71ff2190798093f126e635b522661e3fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ab6e24c0762fd4788499aec00e00703bcc535cd20bb426d1f9e462e121eca84
[INFO] running `Command { std: "docker" "start" "-a" "2ab6e24c0762fd4788499aec00e00703bcc535cd20bb426d1f9e462e121eca84", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/markov_rope-76f52b8999c5681d)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_for_no_map ... ok
[INFO] [stderr]    Doc-tests markov_rope
[INFO] [stdout] test test::test_text_generation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - MarkovChain<'a>::generate_text (line 140) ... FAILED
[INFO] [stdout] test src/lib.rs - MarkovChain<'a>::default (line 43) ... FAILED
[INFO] [stdout] test src/lib.rs - MarkovChain<'a>::from_string (line 28) ... FAILED
[INFO] [stdout] test src/lib.rs - MarkovChain<'a>::new (line 15) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - MarkovChain<'a>::generate_text (line 140) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MarkovChain`
[INFO] [stdout]  --> src/lib.rs:141:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | let chain = MarkovChain::from_string("your string here");
[INFO] [stdout]   |             ^^^^^^^^^^^ use of undeclared type `MarkovChain`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use markov_rope::MarkovChain;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - MarkovChain<'a>::default (line 43) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MarkovChain`
[INFO] [stdout]  --> src/lib.rs:44:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | let chain = MarkovChain::default();
[INFO] [stdout]   |             ^^^^^^^^^^^ use of undeclared type `MarkovChain`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use markov_rope::MarkovChain;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - MarkovChain<'a>::from_string (line 28) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MarkovChain`
[INFO] [stdout]  --> src/lib.rs:29:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | let chain = MarkovChain::from_string("your string here");
[INFO] [stdout]   |             ^^^^^^^^^^^ use of undeclared type `MarkovChain`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use markov_rope::MarkovChain;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - MarkovChain<'a>::new (line 15) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MarkovChain`
[INFO] [stdout]  --> src/lib.rs:16:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut chain = MarkovChain::new();
[INFO] [stdout]   |                 ^^^^^^^^^^^ use of undeclared type `MarkovChain`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use markov_rope::MarkovChain;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - MarkovChain<'a>::default (line 43)
[INFO] [stdout]     src/lib.rs - MarkovChain<'a>::from_string (line 28)
[INFO] [stdout]     src/lib.rs - MarkovChain<'a>::generate_text (line 140)
[INFO] [stdout]     src/lib.rs - MarkovChain<'a>::new (line 15)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2ab6e24c0762fd4788499aec00e00703bcc535cd20bb426d1f9e462e121eca84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab6e24c0762fd4788499aec00e00703bcc535cd20bb426d1f9e462e121eca84", kill_on_drop: false }`
[INFO] [stdout] 2ab6e24c0762fd4788499aec00e00703bcc535cd20bb426d1f9e462e121eca84