[INFO] fetching crate wordfeud-solver 0.3.1...
[INFO] testing wordfeud-solver-0.3.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate wordfeud-solver 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wordfeud-solver 0.3.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wordfeud-solver 0.3.1
[INFO] finished tweaking crates.io crate wordfeud-solver 0.3.1
[INFO] tweaked toml for crates.io crate wordfeud-solver 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate wordfeud-solver 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multiset v0.0.5
[INFO] [stderr]   Downloaded bitintr v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7801c4990f5c015e857fca49d6b831c84d0bfcf643cd53c818442663ba14cb81
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7801c4990f5c015e857fca49d6b831c84d0bfcf643cd53c818442663ba14cb81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7801c4990f5c015e857fca49d6b831c84d0bfcf643cd53c818442663ba14cb81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7801c4990f5c015e857fca49d6b831c84d0bfcf643cd53c818442663ba14cb81", kill_on_drop: false }`
[INFO] [stdout] 7801c4990f5c015e857fca49d6b831c84d0bfcf643cd53c818442663ba14cb81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cd4a8609cb8186cfd34389096fb5f9122cbc435686023c3f9c9f67cd1b94f3d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5cd4a8609cb8186cfd34389096fb5f9122cbc435686023c3f9c9f67cd1b94f3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitintr v0.3.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling multiset v0.0.5
[INFO] [stderr]    Compiling tinyvec v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling wordfeud-solver v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.72s
[INFO] running `Command { std: "docker" "inspect" "5cd4a8609cb8186cfd34389096fb5f9122cbc435686023c3f9c9f67cd1b94f3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd4a8609cb8186cfd34389096fb5f9122cbc435686023c3f9c9f67cd1b94f3d", kill_on_drop: false }`
[INFO] [stdout] 5cd4a8609cb8186cfd34389096fb5f9122cbc435686023c3f9c9f67cd1b94f3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5491ff801cb88c1ebc0117ca2790ae147d63f7a3ecfdf8e1052197f8e0ce90a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5491ff801cb88c1ebc0117ca2790ae147d63f7a3ecfdf8e1052197f8e0ce90a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.4
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling wordfeud-solver v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 29.96s
[INFO] running `Command { std: "docker" "inspect" "5491ff801cb88c1ebc0117ca2790ae147d63f7a3ecfdf8e1052197f8e0ce90a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5491ff801cb88c1ebc0117ca2790ae147d63f7a3ecfdf8e1052197f8e0ce90a4", kill_on_drop: false }`
[INFO] [stdout] 5491ff801cb88c1ebc0117ca2790ae147d63f7a3ecfdf8e1052197f8e0ce90a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9968ff0ae88d8a0b65f36b6265e63b2a97a87d95672f2628cad8f5e4f5c205ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9968ff0ae88d8a0b65f36b6265e63b2a97a87d95672f2628cad8f5e4f5c205ac", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] running 43 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wordfeud_solver-5e5a507a1c7e4d86)
[INFO] [stdout] test ai::tests::test_find_best_score ... ignored
[INFO] [stdout] test board::tests::test_bingo ... ok
[INFO] [stdout] test ai::tests::test_random_sample ... ok
[INFO] [stdout] test board::tests::test_board ... ok
[INFO] [stdout] test ai::tests::test_remaining_letters ... ok
[INFO] [stdout] test board::tests::test_calc_word_points ... ok
[INFO] [stdout] test board::tests::test_sample_scores ... ignored
[INFO] [stdout] test board::tests::test_calc_all_word_scores ... ok
[INFO] [stdout] test ai::tests::test_tiles ... ok
[INFO] [stdout] test labelset::tests::test_index ... ok
[INFO] [stdout] test labelset::tests::test_zero_highbits ... ok
[INFO] [stdout] test tilebag::tests::test_bag ... ok
[INFO] [stdout] test board::tests::test_main ... ok
[INFO] [stdout] test tiles::cell::tests::test_to_letter ... ok
[INFO] [stdout] test tiles::codec::tests::test_encode ... ok
[INFO] [stdout] test labelset::tests::test_count_ones ... ok
[INFO] [stdout] test labelset::tests::test_labelset ... ok
[INFO] [stdout] test labelset::tests::test_into ... ok
[INFO] [stdout] test board::tests::test_surrounding_words ... ok
[INFO] [stdout] test board::tests::test_words ... ok
[INFO] [stdout] test labelset::tests::test_labelset_iterator ... ok
[INFO] [stdout] test tiles::items::tests::test_iter ... ok
[INFO] [stdout] test tiles::items::tests::test_word ... ok
[INFO] [stdout] test tiles::items::tests::test_letters ... ok
[INFO] [stdout] test tilesets::tests::test_tileset ... ok
[INFO] [stdout] test tiles::codec::tests::test_tokenize ... ok
[INFO] [stdout] test tiles::items::tests::test_row ... ok
[INFO] [stdout] test wordlist::matches::test::test_get_legal_characters ... ok
[INFO] [stdout] test tilesets::tests::test_codec ... ok
[INFO] [stdout] test grid::tests::test_grid_from_array ... ok
[INFO] [stdout] test wordlist::test::test_is_word ... ok
[INFO] [stdout] test board::tests::test_state ... ok
[INFO] [stdout] test wordlist::test::test_terminal ... ok
[INFO] [stdout] test wordlist::matches::test::test_matches_2 ... ok
[INFO] [stdout] test wordlist::matches::test::test_matches_1 ... ok
[INFO] [stdout] test wordlist::trievec::tests::test_trie_vec ... ok
[INFO] [stdout] test wordlist::matches::test::test_matches_3 ... ok
[INFO] [stdout] test wordlist::matches::test::test_words ... ok
[INFO] [stdout] test wordlist::matches::test::test_matches_4 ... ok
[INFO] [stdout] test wordlist::test::test_range ... ok
[INFO] [stdout] test board::tests::test_tile_placement_error ... ok
[INFO] [stdout] test board::tests::test_tile_replace_error ... ok
[INFO] [stdout] test tiles::codec::tests::test_encode_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 41 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wordfeud-solver
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/board.rs - board::Board::with_wordlist_from_words (line 144) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name wordfeud_solver --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-e493c32323f1f83f.rlib --extern bitintr=/opt/rustwide/target/debug/deps/libbitintr-80e1e1213e6ec489.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-3a871653073d3220.rlib --extern multiset=/opt/rustwide/target/debug/deps/libmultiset-9a52ebdf8cde8014.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-1e2031f8bac793ee.rlib --extern rayon=/opt/rustwide/target/debug/deps/librayon-462555e2828aaba5.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-718850708ade0caf.rlib --extern tinyvec=/opt/rustwide/target/debug/deps/libtinyvec-918d1fb6e89c48c8.rlib --extern wordfeud_solver=/opt/rustwide/target/debug/deps/libwordfeud_solver-a739616abb61d4d1.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="rayon"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "9968ff0ae88d8a0b65f36b6265e63b2a97a87d95672f2628cad8f5e4f5c205ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9968ff0ae88d8a0b65f36b6265e63b2a97a87d95672f2628cad8f5e4f5c205ac", kill_on_drop: false }`
[INFO] [stdout] 9968ff0ae88d8a0b65f36b6265e63b2a97a87d95672f2628cad8f5e4f5c205ac