[INFO] fetching crate crossword_generator 0.0.2...
[INFO] testing crossword_generator-0.0.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate crossword_generator 0.0.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate crossword_generator 0.0.2
[INFO] finished tweaking crates.io crate crossword_generator 0.0.2
[INFO] tweaked toml for crates.io crate crossword_generator 0.0.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate crossword_generator 0.0.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate crossword_generator 0.0.2 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trait-set v0.3.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.5
[INFO] [stderr]   Downloaded async_fn_traits v0.1.1
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[INFO] [stderr]   Downloaded cc v1.0.92
[INFO] [stderr]   Downloaded plotters v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcbaaa59ca7f42c42d9095e77c62360a58f4adf68668fcab34086277f337853f
[INFO] running `Command { std: "docker" "start" "-a" "dcbaaa59ca7f42c42d9095e77c62360a58f4adf68668fcab34086277f337853f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcbaaa59ca7f42c42d9095e77c62360a58f4adf68668fcab34086277f337853f", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42cd480df2fdf1cf1e05aa806c4a250a39ce728161a82eb9fe2d04f5014ccf39
[INFO] running `Command { std: "docker" "start" "-a" "42cd480df2fdf1cf1e05aa806c4a250a39ce728161a82eb9fe2d04f5014ccf39", kill_on_drop: false }`
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[INFO] [stderr]    Compiling autocfg v1.2.0
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[INFO] [stderr]    Compiling thiserror v1.0.58
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[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
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[INFO] [stderr]    Compiling tokio v1.37.0
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[INFO] [stderr]    Compiling crossword_generator v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.66s
[INFO] running `Command { std: "docker" "inspect" "42cd480df2fdf1cf1e05aa806c4a250a39ce728161a82eb9fe2d04f5014ccf39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42cd480df2fdf1cf1e05aa806c4a250a39ce728161a82eb9fe2d04f5014ccf39", kill_on_drop: false }`
[INFO] [stdout] 42cd480df2fdf1cf1e05aa806c4a250a39ce728161a82eb9fe2d04f5014ccf39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8454206cd6fc06e812afb95afa58370ea84abfd4e9d75527d55a9e922c1336c
[INFO] running `Command { std: "docker" "start" "-a" "c8454206cd6fc06e812afb95afa58370ea84abfd4e9d75527d55a9e922c1336c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling crossword_generator v0.0.2 (/opt/rustwide/workdir)
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[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 33.13s
[INFO] running `Command { std: "docker" "inspect" "c8454206cd6fc06e812afb95afa58370ea84abfd4e9d75527d55a9e922c1336c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8454206cd6fc06e812afb95afa58370ea84abfd4e9d75527d55a9e922c1336c", kill_on_drop: false }`
[INFO] [stdout] c8454206cd6fc06e812afb95afa58370ea84abfd4e9d75527d55a9e922c1336c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8aea2b5722014ddb4ffc8017d69ecff08c526fd03e3d246748ac662b968791bb
[INFO] running `Command { std: "docker" "start" "-a" "8aea2b5722014ddb4ffc8017d69ecff08c526fd03e3d246748ac662b968791bb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crossword_generator-7bd7f84560971e76)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test crossword::tests::test_crossword_calculate_possible_ways_to_add_word ... ok
[INFO] [stdout] test crossword::tests::test_crossword_contains_crossword ... ok
[INFO] [stdout] test crossword::tests::test_crossword_remove_word ... ok
[INFO] [stdout] test placed_word::tests::test_placed_word_intersects ... ok
[INFO] [stdout] test placed_word::tests::test_placed_word_side_touches_side ... ok
[INFO] [stdout] test placed_word::tests::test_placed_word_get_intersection_indices ... ok
[INFO] [stdout] test placed_word::tests::test_placed_word_head_touches_head ... ok
[INFO] [stdout] test placed_word::tests::test_placed_word_side_touches_head ... ok
[INFO] [stdout] test placed_word::tests::test_word_compatibility_settings_are_words_compatible ... ok
[INFO] [stdout] test placed_word::tests::test_placed_word_corners ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crossword_generator
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/generator.rs - generator::CrosswordGenerator (line 25) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] test src/crossword.rs - crossword::Crossword<CharT,StrT>::get_size (line 458) ... ok
[INFO] [stdout] test src/crossword.rs - crossword::Crossword<CharT,StrT>::can_word_be_added (line 264) ... ok
[INFO] [stdout] test src/crossword.rs - crossword::Crossword<CharT,StrT>::contains_crossword (line 354) ... ok
[INFO] [stdout] test src/crossword.rs - crossword::Crossword (line 202) ... ok
[INFO] [stdout] test src/crossword.rs - crossword::Crossword<CharT,StrT>::generate_char_table (line 492) ... ok
[INFO] [stdout] test src/placed_word.rs - placed_word::PlacedWord<CharT,StrT>::get_intersection_indices (line 134) ... ok
[INFO] [stdout] test src/crossword.rs - crossword::Crossword<CharT,StrT>::calculate_possible_ways_to_add_word (line 416) ... ok
[INFO] [stdout] test src/placed_word.rs - placed_word::PlacedWord<CharT,StrT>::calculate_possible_ways_to_add_word (line 166) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/generator.rs - generator::CrosswordGenerator (line 25) stdout ----
[INFO] [stdout] error[E0599]: no method named `crossword_stream` found for struct `CrosswordGenerator` in the current scope
[INFO] [stdout]   --> src/generator.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let str = generator.crossword_stream(|w| String::from_utf8(w.to_owned()).unwrap());
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `crossword_stream_sorted` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let str = generator.crossword_stream_sorted(|w| String::from_utf8(w.to_owned()).unwrap());
[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 E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] error[E0599]: no method named `crossword_stream` found for struct `CrosswordGenerator` in the current scope
[INFO] [stdout]   --> src/lib.rs:41:29
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut str = generator.crossword_stream(|s| String::from_utf8(s.to_owned()).expect("The word is not in proper utf8 format"));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `crossword_stream_sorted` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut str = generator.crossword_stream_sorted(|s| String::from_utf8(s.to_owned()).expect("The word is not in proper utf8 format"));
[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 E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/generator.rs - generator::CrosswordGenerator (line 25)
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.13s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8aea2b5722014ddb4ffc8017d69ecff08c526fd03e3d246748ac662b968791bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aea2b5722014ddb4ffc8017d69ecff08c526fd03e3d246748ac662b968791bb", kill_on_drop: false }`
[INFO] [stdout] 8aea2b5722014ddb4ffc8017d69ecff08c526fd03e3d246748ac662b968791bb