[INFO] cloning repository https://github.com/rust-tw/book-tw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-tw/book-tw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-tw%2Fbook-tw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-tw%2Fbook-tw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] def6c2f28d6da49fb775c4b4180d1a0a043d909e
[INFO] testing rust-tw/book-tw against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-tw%2Fbook-tw" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-tw/book-tw 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] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking git repo https://github.com/rust-tw/book-tw
[INFO] finished tweaking git repo https://github.com/rust-tw/book-tw
[INFO] tweaked toml for git repo https://github.com/rust-tw/book-tw written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-tw/book-tw already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 741b56f9cc64b31e120412d477ea764f9d448a8df309248af50e8e85fe2ef3e9
[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" "741b56f9cc64b31e120412d477ea764f9d448a8df309248af50e8e85fe2ef3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "741b56f9cc64b31e120412d477ea764f9d448a8df309248af50e8e85fe2ef3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741b56f9cc64b31e120412d477ea764f9d448a8df309248af50e8e85fe2ef3e9", kill_on_drop: false }`
[INFO] [stdout] 741b56f9cc64b31e120412d477ea764f9d448a8df309248af50e8e85fe2ef3e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0908453e4576a8aa2ae4eb265e28b49f23d40a999ded0e957d227f4f62497e3d
[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" "0908453e4576a8aa2ae4eb265e28b49f23d40a999ded0e957d227f4f62497e3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling filetime v0.2.7
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling rust-book v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.38s
[INFO] running `Command { std: "docker" "inspect" "0908453e4576a8aa2ae4eb265e28b49f23d40a999ded0e957d227f4f62497e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0908453e4576a8aa2ae4eb265e28b49f23d40a999ded0e957d227f4f62497e3d", kill_on_drop: false }`
[INFO] [stdout] 0908453e4576a8aa2ae4eb265e28b49f23d40a999ded0e957d227f4f62497e3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46f852e2129d30c633b89ce03104d73b58a3aadff4931c039fcf6ce1fa9cc17f
[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" "46f852e2129d30c633b89ce03104d73b58a3aadff4931c039fcf6ce1fa9cc17f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-book v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "46f852e2129d30c633b89ce03104d73b58a3aadff4931c039fcf6ce1fa9cc17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f852e2129d30c633b89ce03104d73b58a3aadff4931c039fcf6ce1fa9cc17f", kill_on_drop: false }`
[INFO] [stdout] 46f852e2129d30c633b89ce03104d73b58a3aadff4931c039fcf6ce1fa9cc17f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9f8ee618c54820c7ffda1cb04d1a7da6875cbbb5f38c3d451d2cf02ef4ee319e
[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" "9f8ee618c54820c7ffda1cb04d1a7da6875cbbb5f38c3d451d2cf02ef4ee319e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/concat_chapters-d919100728fb4540
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/convert_quotes-aa478f8d83065cb2
[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] [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]      Running /opt/rustwide/target/debug/deps/lfp-18be57e195c53197
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::is_file_of_interest_returns_false_when_the_filename_does_not_have_the_md_extension ... ok
[INFO] [stdout] test tests::is_line_of_interest_does_not_report_a_line_if_the_line_contains_a_file_url_which_is_directly_followed_by_the_project_path ... ok
[INFO] [stdout] test tests::is_line_of_interest_reports_a_line_if_the_line_contains_a_file_url_which_is_not_directly_followed_by_the_project_path ... ok
[INFO] [stdout] test tests::lint_file_returns_a_vec_with_errs_when_lines_of_interest_are_found ... ok
[INFO] [stdout] test tests::is_file_of_interest_returns_false_when_the_path_is_a_directory ... ok
[INFO] [stdout] test tests::is_file_of_interest_returns_true_when_the_filename_has_the_md_extension ... ok
[INFO] [stdout] test tests::lint_file_returns_an_empty_vec_when_no_lines_of_interest_are_found ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/link2print-4089aa8b6772ab07
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test tests::parses_link_without_reference_as_reference_with_asterisks ... ignored
[INFO] [stdout] test tests::ignores_quotes_in_pre_sections ... ok
[INFO] [stdout] test tests::parses_multiline_links ... ok
[INFO] [stdout] test tests::ignores_pre_sections_with_final_quote ... ok
[INFO] [stdout] test tests::parses_link_without_reference_as_reference ... ok
[INFO] [stdout] test tests::parses_adam_p_cheatsheet ... ok
[INFO] [stdout] test tests::ignores_optional_inline_title ... ok
[INFO] [stdout] test tests::ignores_short_quotes ... ok
[INFO] [stdout] test tests::parses_reference_case_insensitively ... ok
[INFO] [stdout] test tests::ignores_links_in_pre_sections ... ok
[INFO] [stdout] test tests::parses_inline_link ... ok
[INFO] [stdout] test tests::parses_refs_with_one_space_indentation ... ok
[INFO] [stdout] test tests::parses_reference ... ok
[INFO] [stdout] test tests::parses_reference_with_punctuation ... ok
[INFO] [stdout] test tests::parses_name_with_punctuation ... ok
[INFO] [stdout] test tests::parses_refs_with_three_space_indentation ... ok
[INFO] [stdout] test tests::ignores_links_in_pre_sections_while_still_handling_links ... ok
[INFO] [stdout] test tests::parses_title_with_puctuation ... ok
[INFO] [stdout] test tests::parses_implicit_link ... ok
[INFO] [stdout] test tests::ignores_links_in_quoted_sections ... ok
[INFO] [stdout] test tests::ignores_links_in_quoted_sections_containing_newlines ... ok
[INFO] [stdout] test tests::parses_name_with_utf8 ... ok
[INFO] [stdout] test tests::parses_link_as_reference_when_reference_is_empty ... ok
[INFO] [stdout] test tests::parses_refs_with_two_space_indentation ... ok
[INFO] [stdout] test tests::rejects_refs_with_four_space_indentation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/release_listings-211214cce072a6c2
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/remove_hidden_lines-d884928b36273027
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/remove_links-1da1391b658ea724
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::headings_arent_removed ... ok
[INFO] [stdout] test tests::hidden_line_in_code_block_is_removed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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]      Running /opt/rustwide/target/debug/deps/remove_markup-b2b6d58eb94c11c0
[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] running `Command { std: "docker" "inspect" "9f8ee618c54820c7ffda1cb04d1a7da6875cbbb5f38c3d451d2cf02ef4ee319e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8ee618c54820c7ffda1cb04d1a7da6875cbbb5f38c3d451d2cf02ef4ee319e", kill_on_drop: false }`
[INFO] [stdout] 9f8ee618c54820c7ffda1cb04d1a7da6875cbbb5f38c3d451d2cf02ef4ee319e