[INFO] fetching crate crossword-puzzle 0.1.5...
[INFO] testing crossword-puzzle-0.1.5 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate crossword-puzzle 0.1.5 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate crossword-puzzle 0.1.5
[INFO] finished tweaking crates.io crate crossword-puzzle 0.1.5
[INFO] tweaked toml for crates.io crate crossword-puzzle 0.1.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate crossword-puzzle 0.1.5 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate crossword-puzzle 0.1.5 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.141
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86d4aaa1e4f2137e050178244b2022a3a8295d96c1fef2ed43e03ff189772f40
[INFO] running `Command { std: "docker" "start" "-a" "86d4aaa1e4f2137e050178244b2022a3a8295d96c1fef2ed43e03ff189772f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86d4aaa1e4f2137e050178244b2022a3a8295d96c1fef2ed43e03ff189772f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d4aaa1e4f2137e050178244b2022a3a8295d96c1fef2ed43e03ff189772f40", kill_on_drop: false }`
[INFO] [stdout] 86d4aaa1e4f2137e050178244b2022a3a8295d96c1fef2ed43e03ff189772f40
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f7ca7de23f09a37c77e729695b222dd90cf1e100b38fc354ecc3c4c95f3d050
[INFO] running `Command { std: "docker" "start" "-a" "8f7ca7de23f09a37c77e729695b222dd90cf1e100b38fc354ecc3c4c95f3d050", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossword-puzzle v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "8f7ca7de23f09a37c77e729695b222dd90cf1e100b38fc354ecc3c4c95f3d050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7ca7de23f09a37c77e729695b222dd90cf1e100b38fc354ecc3c4c95f3d050", kill_on_drop: false }`
[INFO] [stdout] 8f7ca7de23f09a37c77e729695b222dd90cf1e100b38fc354ecc3c4c95f3d050
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bbcb8754cf4b972efc271ebea3ddff1c2978dee80d0304615890f3544e8b3c0
[INFO] running `Command { std: "docker" "start" "-a" "3bbcb8754cf4b972efc271ebea3ddff1c2978dee80d0304615890f3544e8b3c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossword-puzzle v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "3bbcb8754cf4b972efc271ebea3ddff1c2978dee80d0304615890f3544e8b3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bbcb8754cf4b972efc271ebea3ddff1c2978dee80d0304615890f3544e8b3c0", kill_on_drop: false }`
[INFO] [stdout] 3bbcb8754cf4b972efc271ebea3ddff1c2978dee80d0304615890f3544e8b3c0
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc2f6ea08fe54bb1234a938535c09bd3e7442b65ec8f9f5800a96064c241a69e
[INFO] running `Command { std: "docker" "start" "-a" "dc2f6ea08fe54bb1234a938535c09bd3e7442b65ec8f9f5800a96064c241a69e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crossword_puzzle-c9e664d08cad79c8)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/crossword_puzzle-13ddacb28ca10d47)
[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 crossword_puzzle
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test src/lib.rs - Grid<'a>::get_neighbor_at_offset (line 379) ... ok
[INFO] [stdout] test src/lib.rs - Grid<'a>::get_char (line 344) ... ok
[INFO] [stdout] test src/lib.rs - Grid<'a>::fill_word (line 296) ... ok
[INFO] [stdout] test src/lib.rs - Grid<'a>::get_neighbor (line 426) ... ok
[INFO] [stdout] test src/lib.rs - Grid<'a>::add_word (line 109) ... ok
[INFO] [stdout] test src/lib.rs - Grid<'a>::get_next_pos (line 470) ... ok
[INFO] [stdout] test src/lib.rs - Grid<'a>::ensure_grid_size (line 233) ... ok
[INFO] [stdout] test src/lib.rs - Grid<'a>::find_valid_placements (line 832) ... ok
[INFO] [stdout] test src/lib.rs - Grid<'a>::get_coord_val (line 521) ... ok
[INFO] [stdout] test src/lib.rs - Grid<'a>::is_char_empty_or_none (line 557) ... ok
[INFO] [stdout] test src/lib.rs - Grid<'a>::handle_initial_placements (line 893) ... ok
[INFO] [stdout] test src/lib.rs - Grid<'a>::is_neighbor_cell_empty (line 598) ... ok
[INFO] [stdout] test src/lib.rs - Grid<'a>::is_valid_placement (line 652) ... ok
[INFO] [stdout] test src/lib.rs - PossibleWord<'a>::new (line 969) ... ok
[INFO] [stdout] test src/lib.rs - Grid<'a>::resize_grid (line 154) ... ok
[INFO] [stdout] test src/lib.rs - eliminate_words (line 1075) ... ok
[INFO] [stdout] test src/lib.rs - Grid<'a>::new (line 72) ... ok
[INFO] [stdout] test src/lib.rs - generate (line 1149) ... ok
[INFO] [stdout] test src/word.rs - word::Segment<'a>::new (line 86) ... ok
[INFO] [stdout] test src/word.rs - word::Segment<'_>::full_word (line 128) ... ok
[INFO] [stdout] test src/word.rs - word::Word<'a>::clue (line 300) ... ok
[INFO] [stdout] test src/word.rs - word::Segment<'_>::full_word_str (line 152) ... ok
[INFO] [stdout] test src/word.rs - word::Word<'a>::positions (line 351) ... ok
[INFO] [stdout] test src/word.rs - word::Word<'a>::direction (line 275) ... ok
[INFO] [stdout] test src/word.rs - word::Word<'a>::update_position (line 318) ... ok
[INFO] [stdout] test src/word.rs - word::Word<'a>::value (line 222) ... ok
[INFO] [stdout] test src/word.rs - word::Word<'a>::position (line 250) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc2f6ea08fe54bb1234a938535c09bd3e7442b65ec8f9f5800a96064c241a69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2f6ea08fe54bb1234a938535c09bd3e7442b65ec8f9f5800a96064c241a69e", kill_on_drop: false }`
[INFO] [stdout] dc2f6ea08fe54bb1234a938535c09bd3e7442b65ec8f9f5800a96064c241a69e