[INFO] fetching crate markov_rope 0.1.0...
[INFO] testing markov_rope-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate markov_rope 0.1.0 into /workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate markov_rope 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55f8b440f773ca7799a18fe42c74f2dfead0b42912b6879724ac15d2119a415d
[INFO] running `Command { std: "docker" "start" "-a" "55f8b440f773ca7799a18fe42c74f2dfead0b42912b6879724ac15d2119a415d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55f8b440f773ca7799a18fe42c74f2dfead0b42912b6879724ac15d2119a415d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f8b440f773ca7799a18fe42c74f2dfead0b42912b6879724ac15d2119a415d", kill_on_drop: false }`
[INFO] [stdout] 55f8b440f773ca7799a18fe42c74f2dfead0b42912b6879724ac15d2119a415d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5ebbf9110bc4826e54fc2a9e074999f0d0b56f5a84cc319b4dda8f6b8df7bed
[INFO] running `Command { std: "docker" "start" "-a" "c5ebbf9110bc4826e54fc2a9e074999f0d0b56f5a84cc319b4dda8f6b8df7bed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[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 3.92s
[INFO] running `Command { std: "docker" "inspect" "c5ebbf9110bc4826e54fc2a9e074999f0d0b56f5a84cc319b4dda8f6b8df7bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ebbf9110bc4826e54fc2a9e074999f0d0b56f5a84cc319b4dda8f6b8df7bed", kill_on_drop: false }`
[INFO] [stdout] c5ebbf9110bc4826e54fc2a9e074999f0d0b56f5a84cc319b4dda8f6b8df7bed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c39749bf3f395d58e15534e3aea7b2265ed14a8ad631a506ef6cb46781f48b8b
[INFO] running `Command { std: "docker" "start" "-a" "c39749bf3f395d58e15534e3aea7b2265ed14a8ad631a506ef6cb46781f48b8b", 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 0.68s
[INFO] running `Command { std: "docker" "inspect" "c39749bf3f395d58e15534e3aea7b2265ed14a8ad631a506ef6cb46781f48b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39749bf3f395d58e15534e3aea7b2265ed14a8ad631a506ef6cb46781f48b8b", kill_on_drop: false }`
[INFO] [stdout] c39749bf3f395d58e15534e3aea7b2265ed14a8ad631a506ef6cb46781f48b8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92e34c0515568bb0a56edf77d63becbf8871179f22a14ee798e9d97eac4c90a4
[INFO] running `Command { std: "docker" "start" "-a" "92e34c0515568bb0a56edf77d63becbf8871179f22a14ee798e9d97eac4c90a4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/markov_rope-5866956aa0359fd5)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_for_no_map ... ok
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests markov_rope
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - MarkovChain<'a>::new (line 15) ... FAILED
[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] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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] ---- 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] 
[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 0.21s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "92e34c0515568bb0a56edf77d63becbf8871179f22a14ee798e9d97eac4c90a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e34c0515568bb0a56edf77d63becbf8871179f22a14ee798e9d97eac4c90a4", kill_on_drop: false }`
[INFO] [stdout] 92e34c0515568bb0a56edf77d63becbf8871179f22a14ee798e9d97eac4c90a4