[INFO] crate mdbook-plantuml 0.6.0-beta is already in cache
[INFO] testing mdbook-plantuml-0.6.0-beta against 1.44.0 for beta-1.45-1
[INFO] extracting crate mdbook-plantuml 0.6.0-beta into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mdbook-plantuml 0.6.0-beta on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mdbook-plantuml 0.6.0-beta
[INFO] finished tweaking crates.io crate mdbook-plantuml 0.6.0-beta
[INFO] tweaked toml for crates.io crate mdbook-plantuml 0.6.0-beta written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate mdbook-plantuml 0.6.0-beta already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b9149ab4e378210732fb310f102bc183db40eeeb80b3f67b77e87a49c5fb7cdc
[INFO] running `"docker" "start" "-a" "b9149ab4e378210732fb310f102bc183db40eeeb80b3f67b77e87a49c5fb7cdc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling indexmap v1.2.0
[INFO] [stderr]    Compiling sequence_trie v0.3.6
[INFO] [stderr]    Compiling pulldown-cmark v0.6.1
[INFO] [stderr]    Compiling is-match v0.1.0
[INFO] [stderr]    Compiling open v1.2.2
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.29
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling getopts v0.2.19
[INFO] [stderr]    Compiling miniz_oxide v0.3.2
[INFO] [stderr]    Compiling walkdir v2.2.8
[INFO] [stderr]    Compiling gitignore v1.0.6
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.5
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling tokio-executor v0.1.9
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling deflate v0.8.2
[INFO] [stderr]    Compiling aho-corasick v0.7.7
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.12
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling toml-query_derive v0.9.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.45
[INFO] [stderr]    Compiling toml v0.5.1
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling tokio-threadpool v0.1.17
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling tokio-reactor v0.1.11
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling toml-query v0.9.0
[INFO] [stderr]    Compiling elasticlunr-rs v2.3.5
[INFO] [stderr]    Compiling handlebars v2.0.2
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling log4rs v0.9.0
[INFO] [stderr]    Compiling ws v0.9.1
[INFO] [stderr]    Compiling notify v4.0.12
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling iron v0.6.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling mount v0.4.0
[INFO] [stderr]    Compiling staticfile v0.5.0
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling ammonia v3.0.0
[INFO] [stderr]    Compiling mdbook v0.3.5
[INFO] [stderr]    Compiling mdbook-plantuml v0.6.0-beta (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/markdown_plantuml_pipeline.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             (c == b'`' || c == b'~')
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 45s
[INFO] running `"docker" "inspect" "b9149ab4e378210732fb310f102bc183db40eeeb80b3f67b77e87a49c5fb7cdc"`
[INFO] running `"docker" "rm" "-f" "b9149ab4e378210732fb310f102bc183db40eeeb80b3f67b77e87a49c5fb7cdc"`
[INFO] [stdout] b9149ab4e378210732fb310f102bc183db40eeeb80b3f67b77e87a49c5fb7cdc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e9b14be15a6fbfd924b559b1da3d56eb737824d7a7f0b07bbc560835128cfd62
[INFO] running `"docker" "start" "-a" "e9b14be15a6fbfd924b559b1da3d56eb737824d7a7f0b07bbc560835128cfd62"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling handlebox v0.3.0
[INFO] [stderr]    Compiling debugit v0.1.2
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/markdown_plantuml_pipeline.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             (c == b'`' || c == b'~')
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling simulacrum_shared v0.1.0
[INFO] [stderr]    Compiling simulacrum_mock v0.1.0
[INFO] [stderr]    Compiling simulacrum_user v0.1.0
[INFO] [stderr]    Compiling simulacrum_macros v0.3.1
[INFO] [stderr]    Compiling simulacrum v0.3.1
[INFO] [stderr]    Compiling mdbook-plantuml v0.6.0-beta (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/markdown_plantuml_pipeline.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             (c == b'`' || c == b'~')
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.76s
[INFO] running `"docker" "inspect" "e9b14be15a6fbfd924b559b1da3d56eb737824d7a7f0b07bbc560835128cfd62"`
[INFO] running `"docker" "rm" "-f" "e9b14be15a6fbfd924b559b1da3d56eb737824d7a7f0b07bbc560835128cfd62"`
[INFO] [stdout] e9b14be15a6fbfd924b559b1da3d56eb737824d7a7f0b07bbc560835128cfd62
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] d2ca7ed7d4bc6820d5c855f099a7e922efa7d13d7fd750619f071dbcbf50e68d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d2ca7ed7d4bc6820d5c855f099a7e922efa7d13d7fd750619f071dbcbf50e68d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/markdown_plantuml_pipeline.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             (c == b'`' || c == b'~')
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/markdown_plantuml_pipeline.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 |             (c == b'`' || c == b'~')
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mdbook_plantuml-959be8f8ef20ee12
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test cache::tests::empty_cache_returns_none ... ok
[INFO] [stdout] test cache::tests::add_multiple_entries ... ok
[INFO] [stdout] test cache::tests::get_existing_entry ... ok
[INFO] [stdout] test base64_plantuml::tests::encodes_bytes ... ok
[INFO] [stdout] test cache::tests::cache_dir_creation_failure_returns_error ... ok
[INFO] [stdout] test markdown_plantuml_pipeline::test::test_get_info_string ... ok
[INFO] [stdout] test plantuml_backend::tests::test_get_extension ... ok
[INFO] [stdout] test cache::tests::unused_entries_are_kept_when_clean_on_save_is_false ... ok
[INFO] [stdout] test markdown_plantuml_pipeline::test::test_find_next_code_fence ... ok
[INFO] [stdout] test plantuml_server_backend::tests::test_save_downloaded_image ... ok
[INFO] [stdout] test cache::tests::get_with_missing_cached_image ... ok
[INFO] [stdout] test cache::tests::unused_entries_are_removed_on_save ... ok
[INFO] [stdout] test plantuml_shell_backend::tests::command_failure ... ok
[INFO] [stdout] test plantuml_server_backend::tests::test_get_url ... ok
[INFO] [stdout] test plantuml_backend::tests::test_get_image_filename ... ok
[INFO] [stdout] test plantuml_server_backend::tests::test_encode_diagram_source ... ok
[INFO] [stdout] test plantuml_shell_backend::tests::no_image_file_created ... ok
[INFO] [stdout] test cache::tests::get_uncached_entry ... ok
[INFO] [stdout] test cache::tests::save_and_load ... ok
[INFO] [stdout] test markdown_plantuml_pipeline::test::test_process_plantuml_code ... ok
[INFO] [stdout] test tests::test_get_relative_img_url ... ok
[INFO] [stdout] test plantuml_shell_backend::tests::shell_command_line_arguments ... ok
[INFO] [stdout] test plantumlconfig::tests::default ... ok
[INFO] [stdout] test cache::tests::add_entry ... ok
[INFO] [stdout] test cache::tests::add_entry_fails_when_file_cannot_be_copied ... ok
[INFO] [stdout] test plantuml_shell_backend::tests::returns_image_file_path_on_success ... ok
[INFO] [stdout] test plantuml_server_backend::tests::test_render_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mdbook_plantuml-6011a539558a4265
[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]    Doc-tests mdbook-plantuml
[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 `"docker" "inspect" "d2ca7ed7d4bc6820d5c855f099a7e922efa7d13d7fd750619f071dbcbf50e68d"`
[INFO] running `"docker" "rm" "-f" "d2ca7ed7d4bc6820d5c855f099a7e922efa7d13d7fd750619f071dbcbf50e68d"`
[INFO] [stdout] d2ca7ed7d4bc6820d5c855f099a7e922efa7d13d7fd750619f071dbcbf50e68d