[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 beta-2021-01-01 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-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-tw/book-tw on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/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-0/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "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] fdfb99ec0ccbe788b048c82f01caba9bcccec06119a76564bc1d778a0e72afa1
[INFO] running `Command { std: "docker" "start" "-a" "fdfb99ec0ccbe788b048c82f01caba9bcccec06119a76564bc1d778a0e72afa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdfb99ec0ccbe788b048c82f01caba9bcccec06119a76564bc1d778a0e72afa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdfb99ec0ccbe788b048c82f01caba9bcccec06119a76564bc1d778a0e72afa1", kill_on_drop: false }`
[INFO] [stdout] fdfb99ec0ccbe788b048c82f01caba9bcccec06119a76564bc1d778a0e72afa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a3d497f9d7c385f26c042dcb1622ee456633a92fcf98df5860552721a0d89b6
[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" "3a3d497f9d7c385f26c042dcb1622ee456633a92fcf98df5860552721a0d89b6", 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 strsim v0.9.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling filetime v0.2.7
[INFO] [stderr]    Compiling xattr v0.2.2
[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 50.53s
[INFO] running `Command { std: "docker" "inspect" "3a3d497f9d7c385f26c042dcb1622ee456633a92fcf98df5860552721a0d89b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3d497f9d7c385f26c042dcb1622ee456633a92fcf98df5860552721a0d89b6", kill_on_drop: false }`
[INFO] [stdout] 3a3d497f9d7c385f26c042dcb1622ee456633a92fcf98df5860552721a0d89b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8da8b58034892e0a7961f53312beee1cc9f93840703590b40df7c6658448af2
[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" "b8da8b58034892e0a7961f53312beee1cc9f93840703590b40df7c6658448af2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-book v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "b8da8b58034892e0a7961f53312beee1cc9f93840703590b40df7c6658448af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8da8b58034892e0a7961f53312beee1cc9f93840703590b40df7c6658448af2", kill_on_drop: false }`
[INFO] [stdout] b8da8b58034892e0a7961f53312beee1cc9f93840703590b40df7c6658448af2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab14b05746b12d4362acc6de197048742f1264b2d758a0c3cb33dc53aa1e1a46
[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" "ab14b05746b12d4362acc6de197048742f1264b2d758a0c3cb33dc53aa1e1a46", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/concat_chapters-12c02a5fb090f5aa
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/convert_quotes-93878bb8d4d83f22
[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 /opt/rustwide/target/debug/deps/lfp-24f065262b9606c6
[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] [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_file_of_interest_returns_true_when_the_filename_has_the_md_extension ... ok
[INFO] [stdout] test tests::is_file_of_interest_returns_false_when_the_path_is_a_directory ... ok
[INFO] [stdout] test tests::lint_file_returns_an_empty_vec_when_no_lines_of_interest_are_found ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/link2print-fac81aa7863975f4
[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] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test tests::parses_link_without_reference_as_reference_with_asterisks ... ignored
[INFO] [stdout] test tests::parses_multiline_links ... ok
[INFO] [stdout] test tests::ignores_links_in_quoted_sections ... ok
[INFO] [stdout] test tests::ignores_short_quotes ... ok
[INFO] [stdout] test tests::parses_link_without_reference_as_reference ... ok
[INFO] [stdout] test tests::ignores_optional_inline_title ... ok
[INFO] [stdout] test tests::parses_implicit_link ... ok
[INFO] [stdout] test tests::ignores_links_in_pre_sections_while_still_handling_links ... ok
[INFO] [stdout] test tests::parses_adam_p_cheatsheet ... ok
[INFO] [stdout] test tests::parses_refs_with_one_space_indentation ... ok
[INFO] [stdout] test tests::ignores_quotes_in_pre_sections ... ok
[INFO] [stdout] test tests::parses_reference ... ok
[INFO] [stdout] test tests::parses_reference_case_insensitively ... ok
[INFO] [stdout] test tests::parses_name_with_punctuation ... ok
[INFO] [stdout] test tests::ignores_pre_sections_with_final_quote ... ok
[INFO] [stdout] test tests::parses_refs_with_two_space_indentation ... ok
[INFO] [stdout] test tests::parses_reference_with_punctuation ... ok
[INFO] [stdout] test tests::parses_title_with_puctuation ... ok
[INFO] [stdout] test tests::parses_refs_with_three_space_indentation ... ok
[INFO] [stdout] test tests::parses_link_as_reference_when_reference_is_empty ... ok
[INFO] [stdout] test tests::parses_name_with_utf8 ... ok
[INFO] [stdout] test tests::ignores_links_in_quoted_sections_containing_newlines ... ok
[INFO] [stdout] test tests::ignores_links_in_pre_sections ... ok
[INFO] [stdout] test tests::parses_inline_link ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/release_listings-26690cabf02421ba
[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; finished in 0.29s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/remove_hidden_lines-85fc6e71cbae74bb
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/remove_links-2d708ac8fc2d2b55
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/remove_markup-af6e8022f3ef8da9
[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] [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; finished in 0.01s
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ab14b05746b12d4362acc6de197048742f1264b2d758a0c3cb33dc53aa1e1a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab14b05746b12d4362acc6de197048742f1264b2d758a0c3cb33dc53aa1e1a46", kill_on_drop: false }`
[INFO] [stdout] ab14b05746b12d4362acc6de197048742f1264b2d758a0c3cb33dc53aa1e1a46