[INFO] fetching crate voca_rs 1.13.0...
[INFO] testing voca_rs-1.13.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate voca_rs 1.13.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate voca_rs 1.13.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate voca_rs 1.13.0
[INFO] finished tweaking crates.io crate voca_rs 1.13.0
[INFO] tweaked toml for crates.io crate voca_rs 1.13.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b99ea5833d60250a56f30c859ef91f2f22a86a9cc85d1cb9031d83787d9019f
[INFO] running `Command { std: "docker" "start" "-a" "2b99ea5833d60250a56f30c859ef91f2f22a86a9cc85d1cb9031d83787d9019f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b99ea5833d60250a56f30c859ef91f2f22a86a9cc85d1cb9031d83787d9019f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b99ea5833d60250a56f30c859ef91f2f22a86a9cc85d1cb9031d83787d9019f", kill_on_drop: false }`
[INFO] [stdout] 2b99ea5833d60250a56f30c859ef91f2f22a86a9cc85d1cb9031d83787d9019f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b272843a5147e31786cb6e680fb4f6b8507e9cdef1f986aacd1c0c1fdf39698
[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" "0b272843a5147e31786cb6e680fb4f6b8507e9cdef1f986aacd1c0c1fdf39698", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling stfu8 v0.2.4
[INFO] [stderr]    Compiling voca_rs v1.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.99s
[INFO] running `Command { std: "docker" "inspect" "0b272843a5147e31786cb6e680fb4f6b8507e9cdef1f986aacd1c0c1fdf39698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b272843a5147e31786cb6e680fb4f6b8507e9cdef1f986aacd1c0c1fdf39698", kill_on_drop: false }`
[INFO] [stdout] 0b272843a5147e31786cb6e680fb4f6b8507e9cdef1f986aacd1c0c1fdf39698
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d164baf0e06bf235ced674831a9086cb30bc3928fbc2c4496c13af5cdf1289fc
[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" "d164baf0e06bf235ced674831a9086cb30bc3928fbc2c4496c13af5cdf1289fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling stfu8 v0.2.4
[INFO] [stderr]    Compiling voca_rs v1.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.96s
[INFO] running `Command { std: "docker" "inspect" "d164baf0e06bf235ced674831a9086cb30bc3928fbc2c4496c13af5cdf1289fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d164baf0e06bf235ced674831a9086cb30bc3928fbc2c4496c13af5cdf1289fc", kill_on_drop: false }`
[INFO] [stdout] d164baf0e06bf235ced674831a9086cb30bc3928fbc2c4496c13af5cdf1289fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11e1f88c89bc9f1cef1745b40ef128df3ac6a0c1d977924c798942d8805f25ea
[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" "11e1f88c89bc9f1cef1745b40ef128df3ac6a0c1d977924c798942d8805f25ea", kill_on_drop: false }`
[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
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/voca_rs-f52c075328ef0f02
[INFO] [stderr]    Doc-tests voca_rs
[INFO] [stdout] 
[INFO] [stdout] running 112 tests
[INFO] [stdout] test src/case.rs - case::upper_case (line 430) ... FAILED
[INFO] [stdout] test src/case.rs - case::lower_case (line 222) ... FAILED
[INFO] [stdout] test src/case.rs - case::shouty_kebab_case (line 176) ... FAILED
[INFO] [stdout] test src/case.rs - case::title_case (line 376) ... FAILED
[INFO] [stdout] test src/case.rs - case::train_case (line 406) ... FAILED
[INFO] [stdout] test src/case.rs - case::pascal_case (line 252) ... FAILED
[INFO] [stdout] test src/case.rs - case::lower_first (line 461) ... FAILED
[INFO] [stdout] test src/case.rs - case::shouty_snake_case (line 298) ... FAILED
[INFO] [stdout] test src/case.rs - case::upper_first (line 483) ... FAILED
[INFO] [stdout] test src/case.rs - case::kebab_case (line 153) ... FAILED
[INFO] [stdout] test src/case.rs - case::swap_case (line 338) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::before (line 145) ... FAILED
[INFO] [stdout] test src/case.rs - case::camel_case (line 10) ... FAILED
[INFO] [stdout] test src/case.rs - case::decapitalize (line 127) ... FAILED
[INFO] [stdout] test src/case.rs - case::capitalize (line 62) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::after (line 89) ... FAILED
[INFO] [stdout] test src/case.rs - case::snake_case (line 275) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::after_last (line 117) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::foreign_key (line 278) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::code_point_at (line 225) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::first (line 251) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::char_at (line 201) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::before_last (line 173) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::last (line 349) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::removeprefix (line 488) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::min (line 743) ... FAILED
[INFO] [stdout] test src/count.rs - count::count_unique_words (line 174) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::substr (line 593) ... FAILED
[INFO] [stdout] test src/count.rs - count::count (line 11) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::substring (line 634) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::removesuffix (line 513) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::max (line 716) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::grapheme_at (line 319) ... FAILED
[INFO] [stdout] test src/count.rs - count::count_where (line 101) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::truncate (line 677) ... FAILED
[INFO] [stdout] test src/index.rs - index::index_all (line 13) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::prune (line 382) ... FAILED
[INFO] [stdout] test src/count.rs - count::count_graphemes (line 36) ... FAILED
[INFO] [stdout] test src/escape.rs - escape::escape_html (line 11) ... FAILED
[INFO] [stdout] test src/index.rs - index::search (line 138) ... FAILED
[INFO] [stdout] test src/count.rs - count::count_substrings (line 66) ... FAILED
[INFO] [stdout] test src/count.rs - count::count_words (line 135) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::expand_spaces (line 13) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::insert (line 68) ... FAILED
[INFO] [stdout] test src/index.rs - index::last_index_of (line 95) ... FAILED
[INFO] [stdout] test src/chop.rs - chop::slice (line 539) ... FAILED
[INFO] [stdout] test src/escape.rs - escape::escape_regexp (line 42) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 30) ... FAILED
[INFO] [stdout] test src/escape.rs - escape::unescape_html (line 77) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::pad_left (line 205) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::slugify (line 422) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::pad_right (line 241) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 14) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::pad (line 132) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::expand_tabs (line 40) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::repeat (line 276) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::replace (line 304) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::trim (line 521) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::reverse (line 368) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::splice (line 452) ... FAILED
[INFO] [stdout] test src/index.rs - index::index_of (line 48) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::tr (line 650) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::word_wrap (line 687) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::zfill (line 616) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::reverse_grapheme (line 393) ... FAILED
[INFO] [stdout] test src/query.rs - query::is_decapitalize (line 239) ... FAILED
[INFO] [stdout] test src/query.rs - query::includes (line 40) ... FAILED
[INFO] [stdout] test src/query.rs - query::is_alpha (line 73) ... FAILED
[INFO] [stdout] test src/query.rs - query::is_alphadigit (line 127) ... FAILED
[INFO] [stdout] test src/query.rs - query::ends_with (line 13) ... FAILED
[INFO] [stdout] test src/query.rs - query::is_blank (line 159) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::replace_all (line 341) ... FAILED
[INFO] [stdout] test src/manipulate.rs - manipulate::trim_left (line 544) ... FAILED
[INFO] [stdout] test src/query.rs - query::is_digit (line 280) ... FAILED
[INFO] [stdout] test src/query.rs - query::is_shouty_kebab_case (line 534) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name voca_rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern regex=/opt/rustwide/target/debug/deps/libregex-0a5475689570fb93.rlib --extern stfu8=/opt/rustwide/target/debug/deps/libstfu8-84ccf86981bb94ea.rlib --extern unicode_segmentation=/opt/rustwide/target/debug/deps/libunicode_segmentation-1e926f6a897c313a.rlib --extern voca_rs=/opt/rustwide/target/debug/deps/libvoca_rs-4f1f80ca69666dd3.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "11e1f88c89bc9f1cef1745b40ef128df3ac6a0c1d977924c798942d8805f25ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e1f88c89bc9f1cef1745b40ef128df3ac6a0c1d977924c798942d8805f25ea", kill_on_drop: false }`
[INFO] [stdout] 11e1f88c89bc9f1cef1745b40ef128df3ac6a0c1d977924c798942d8805f25ea