[INFO] fetching crate mdbook-plantuml 0.7.0...
[INFO] testing mdbook-plantuml-0.7.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate mdbook-plantuml 0.7.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mdbook-plantuml 0.7.0 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] started tweaking crates.io crate mdbook-plantuml 0.7.0
[INFO] finished tweaking crates.io crate mdbook-plantuml 0.7.0
[INFO] tweaked toml for crates.io crate mdbook-plantuml 0.7.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate mdbook-plantuml 0.7.0 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 tracing-core v0.1.15
[INFO] [stderr]   Downloaded handlebars v3.4.0
[INFO] [stderr]   Downloaded simulacrum_macros v0.3.1
[INFO] [stderr]   Downloaded simulacrum_user v0.1.0
[INFO] [stderr]   Downloaded simulacrum v0.3.1
[INFO] [stderr]   Downloaded thread-id v3.3.0
[INFO] [stderr]   Downloaded debugit v0.1.2
[INFO] [stderr]   Downloaded simulacrum_shared v0.1.0
[INFO] [stderr]   Downloaded handlebox v0.3.0
[INFO] [stderr]   Downloaded simulacrum_mock v0.1.0
[INFO] [stderr]   Downloaded serde-value v0.6.0
[INFO] [stderr]   Downloaded log4rs v0.13.0
[INFO] [stderr]   Downloaded mdbook v0.4.2
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f4a3e6bd91d9126bd8385c0c370ad866eca320849bf5b50bf3505a68e411585
[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" "1f4a3e6bd91d9126bd8385c0c370ad866eca320849bf5b50bf3505a68e411585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f4a3e6bd91d9126bd8385c0c370ad866eca320849bf5b50bf3505a68e411585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f4a3e6bd91d9126bd8385c0c370ad866eca320849bf5b50bf3505a68e411585", kill_on_drop: false }`
[INFO] [stdout] 1f4a3e6bd91d9126bd8385c0c370ad866eca320849bf5b50bf3505a68e411585
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26d1d9fcb2e6d0c0fc5cc6cac53482cced8bb17ee73ee250cad9302cf7edc1f0
[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" "26d1d9fcb2e6d0c0fc5cc6cac53482cced8bb17ee73ee250cad9302cf7edc1f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling log v0.4.11
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[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling either v1.6.0
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[INFO] [stderr]    Compiling cc v1.0.59
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[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling quick-error v2.0.0
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling log-mdc v0.1.0
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[INFO] [stderr]    Compiling error-chain v0.12.4
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[INFO] [stderr]    Compiling miniz_oxide v0.4.1
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[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling gitignore v1.0.7
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-executor v0.1.10
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling parking_lot v0.11.0
[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 rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling headers v0.3.2
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling serde-value v0.6.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling tungstenite v0.10.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling handlebars v3.4.0
[INFO] [stderr]    Compiling elasticlunr-rs v2.3.9
[INFO] [stderr]    Compiling log4rs v0.13.0
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling xml5ever v0.16.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tungstenite v0.10.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling markup5ever_rcdom v0.1.0
[INFO] [stderr]    Compiling ammonia v3.1.0
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling warp v0.2.4
[INFO] [stderr]    Compiling mdbook v0.4.2
[INFO] [stderr]    Compiling mdbook-plantuml v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6m 12s
[INFO] running `Command { std: "docker" "inspect" "26d1d9fcb2e6d0c0fc5cc6cac53482cced8bb17ee73ee250cad9302cf7edc1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d1d9fcb2e6d0c0fc5cc6cac53482cced8bb17ee73ee250cad9302cf7edc1f0", kill_on_drop: false }`
[INFO] [stdout] 26d1d9fcb2e6d0c0fc5cc6cac53482cced8bb17ee73ee250cad9302cf7edc1f0
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", 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] 3a72d53a30b72aa50b4d5ebfd2dbbcc2aaa54e72f10f1e3f0fd43e78dedcfbb4
[INFO] running `Command { std: "docker" "start" "-a" "3a72d53a30b72aa50b4d5ebfd2dbbcc2aaa54e72f10f1e3f0fd43e78dedcfbb4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling handlebox v0.3.0
[INFO] [stderr]    Compiling debugit v0.1.2
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[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 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.68s
[INFO] running `Command { std: "docker" "inspect" "3a72d53a30b72aa50b4d5ebfd2dbbcc2aaa54e72f10f1e3f0fd43e78dedcfbb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a72d53a30b72aa50b4d5ebfd2dbbcc2aaa54e72f10f1e3f0fd43e78dedcfbb4", kill_on_drop: false }`
[INFO] [stdout] 3a72d53a30b72aa50b4d5ebfd2dbbcc2aaa54e72f10f1e3f0fd43e78dedcfbb4
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f4db6c9d0c7ec4fe13e8300ccee09bdb9553e783b98b59a17debf78fde5f0cc
[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" "3f4db6c9d0c7ec4fe13e8300ccee09bdb9553e783b98b59a17debf78fde5f0cc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mdbook_plantuml-5c59702b3a65b320
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test markdown_plantuml_pipeline::test::test_find_next_code_fence ... ok
[INFO] [stdout] test markdown_plantuml_pipeline::test::test_get_info_string ... ok
[INFO] [stdout] test dir_cleaner::tests::keeps_used_files ... ok
[INFO] [stdout] test base64_plantuml::tests::encodes_bytes ... ok
[INFO] [stdout] test plantuml_renderer::tests::test_create_md_link ... ok
[INFO] [stdout] test plantuml_renderer::tests::test_get_image_filename ... ok
[INFO] [stdout] test dir_cleaner::tests::initializes_file_list_with_files_from_input_dir ... ok
[INFO] [stdout] test plantuml_renderer::tests::test_rendering ... ok
[INFO] [stdout] test plantuml_renderer::tests::test_extension ... ok
[INFO] [stdout] test markdown_plantuml_pipeline::test::test_process_plantuml_code ... ok
[INFO] [stdout] test plantuml_shell_backend::tests::returns_image_file_path_on_success ... ok
[INFO] [stdout] test dir_cleaner::tests::removes_unused_files ... ok
[INFO] [stdout] test plantuml_server_backend::tests::test_save_downloaded_image ... ok
[INFO] [stdout] test util::tests::test_get_extension ... ok
[INFO] [stdout] test plantumlconfig::tests::default ... ok
[INFO] [stdout] test plantuml_server_backend::tests::test_get_url ... ok
[INFO] [stdout] test plantuml_shell_backend::tests::shell_command_line_arguments ... ok
[INFO] [stdout] test tests::test_get_relative_img_url ... ok
[INFO] [stdout] test plantuml_shell_backend::tests::no_image_file_created ... ok
[INFO] [stdout] test plantuml_shell_backend::tests::command_failure ... ok
[INFO] [stdout] test util::tests::test_join_path ... ok
[INFO] [stdout] test plantuml_renderer::tests::test_rendering_failure ... ok
[INFO] [stdout] test plantuml_server_backend::tests::test_encode_diagram_source ... ok
[INFO] [stdout] test plantuml_server_backend::tests::test_render_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mdbook_plantuml-f37a0d09cd5ca76f
[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] [stderr]    Doc-tests mdbook-plantuml
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/dir_cleaner.rs - dir_cleaner::DirCleaner (line 19) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f4db6c9d0c7ec4fe13e8300ccee09bdb9553e783b98b59a17debf78fde5f0cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4db6c9d0c7ec4fe13e8300ccee09bdb9553e783b98b59a17debf78fde5f0cc", kill_on_drop: false }`
[INFO] [stdout] 3f4db6c9d0c7ec4fe13e8300ccee09bdb9553e783b98b59a17debf78fde5f0cc