[INFO] fetching crate tree_decorator 0.1.2...
[INFO] testing tree_decorator-0.1.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate tree_decorator 0.1.2 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate tree_decorator 0.1.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tree_decorator 0.1.2
[INFO] finished tweaking crates.io crate tree_decorator 0.1.2
[INFO] tweaked toml for crates.io crate tree_decorator 0.1.2 written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ade270a9c47647a0a2600b2e646dfa5d62f75a7a8499d2b6aa020c795b0443fa
[INFO] running `Command { std: "docker" "start" "-a" "ade270a9c47647a0a2600b2e646dfa5d62f75a7a8499d2b6aa020c795b0443fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ade270a9c47647a0a2600b2e646dfa5d62f75a7a8499d2b6aa020c795b0443fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade270a9c47647a0a2600b2e646dfa5d62f75a7a8499d2b6aa020c795b0443fa", kill_on_drop: false }`
[INFO] [stdout] ade270a9c47647a0a2600b2e646dfa5d62f75a7a8499d2b6aa020c795b0443fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22994e8a6297e5576f88bd942d89074fb8513ef3a917893f84a55f448835b455
[INFO] running `Command { std: "docker" "start" "-a" "22994e8a6297e5576f88bd942d89074fb8513ef3a917893f84a55f448835b455", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling tree_decorator v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `style`
[INFO] [stdout]    --> src/element_handler.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub style: Style
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "22994e8a6297e5576f88bd942d89074fb8513ef3a917893f84a55f448835b455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22994e8a6297e5576f88bd942d89074fb8513ef3a917893f84a55f448835b455", kill_on_drop: false }`
[INFO] [stdout] 22994e8a6297e5576f88bd942d89074fb8513ef3a917893f84a55f448835b455
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 048e79fb41602162af828ac99a17d94baa601c0a586765db65eb8a8e47dd763b
[INFO] running `Command { std: "docker" "start" "-a" "048e79fb41602162af828ac99a17d94baa601c0a586765db65eb8a8e47dd763b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stdout] warning: field is never read: `style`
[INFO] [stdout]    --> src/element_handler.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub style: Style
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling time v0.3.5
[INFO] [stderr]    Compiling simple_logger v1.15.0
[INFO] [stderr]    Compiling tree_decorator v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `style`
[INFO] [stdout]    --> src/element_handler.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub style: Style
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_items_level.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     tree_item!(block, "Root");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_output.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     tree_item!(block, "Root");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_items_level.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         tree_item!("Item A");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_items_level.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         tree_item!("Small Description");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_output.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         tree_item!(entry, "Item A");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_items_level.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         tree_item!("Other Small Description");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_output.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         tree_item!(entry: Entry::None, "Small Description");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_items_level.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         tree_item!(last; block, "Item B");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_output.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         tree_item!(dashed, "Other Small Description");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_items_level.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             tree_item!("Item Ba");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_output.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         tree_item!(last; block, "Item B");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_items_level.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             tree_item!(block, "Item Bb");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_output.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             tree_item!("Item Ba");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_items_level.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 tree_item!(last, "Item Bba");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_output.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             tree_item!(block, "Item Bb");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_items_level.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             tree_item!(last, "Item Bc");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_output.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 tree_item!(last, "Item Bba");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_output.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             tree_item!(last, "Item Bc");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     tree_item!(block, "Very Nested Items");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     tree_item!("A");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     tree_item!(block, "B");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         tree_item!(block; last, "B.a");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             tree_item!("B.a.a");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             tree_item!("B.a.b");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             tree_item!("B.a.c");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             tree_item!(block, "B.a.c");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 tree_item!("B.a.c.a");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 tree_item!("B.a.c.b");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 tree_item!(last, "B.a.c.c");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             tree_item!(last, "B.a.d");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     tree_item!("C");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     tree_item!("D");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     tree_item!("E");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `String::as_str` that must be used
[INFO] [stdout]   --> tests/test_multiple_nested_levels.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     tree_item!(last, "F");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.44s
[INFO] running `Command { std: "docker" "inspect" "048e79fb41602162af828ac99a17d94baa601c0a586765db65eb8a8e47dd763b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "048e79fb41602162af828ac99a17d94baa601c0a586765db65eb8a8e47dd763b", kill_on_drop: false }`
[INFO] [stdout] 048e79fb41602162af828ac99a17d94baa601c0a586765db65eb8a8e47dd763b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d30cc6b879346d593f9f7b9faeb03405a37e7c2edbdc02bd318f729c6b06a6d5
[INFO] running `Command { std: "docker" "start" "-a" "d30cc6b879346d593f9f7b9faeb03405a37e7c2edbdc02bd318f729c6b06a6d5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `style`
[INFO] [stderr]    --> src/element_handler.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub style: Style
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tree_decorator` (lib) generated 1 warning
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_output.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     tree_item!(block, "Root");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_output.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         tree_item!(entry, "Item A");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_output.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         tree_item!(entry: Entry::None, "Small Description");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_output.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         tree_item!(dashed, "Other Small Description");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_output.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         tree_item!(last; block, "Item B");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_output.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             tree_item!("Item Ba");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_output.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             tree_item!(block, "Item Bb");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_output.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 tree_item!(last, "Item Bba");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_output.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             tree_item!(last, "Item Bc");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     tree_item!(block, "Very Nested Items");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     tree_item!("A");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     tree_item!(block, "B");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         tree_item!(block; last, "B.a");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             tree_item!("B.a.a");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             tree_item!("B.a.b");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             tree_item!("B.a.c");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |             tree_item!(block, "B.a.c");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 tree_item!("B.a.c.a");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 tree_item!("B.a.c.b");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 tree_item!(last, "B.a.c.c");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             tree_item!(last, "B.a.d");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     tree_item!("C");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     tree_item!("D");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     tree_item!("E");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_multiple_nested_levels.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     tree_item!(last, "F");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_items_level.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     tree_item!(block, "Root");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_items_level.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         tree_item!("Item A");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_items_level.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         tree_item!("Small Description");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_items_level.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         tree_item!("Other Small Description");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_items_level.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         tree_item!(last; block, "Item B");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_items_level.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             tree_item!("Item Ba");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_items_level.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             tree_item!(block, "Item Bb");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_items_level.rs:23:17
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 tree_item!(last, "Item Bba");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `String::as_str` that must be used
[INFO] [stderr]   --> tests/test_items_level.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             tree_item!(last, "Item Bc");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `tree_item` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `tree_decorator` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `tree_decorator` (test "test_output") generated 9 warnings
[INFO] [stderr] warning: `tree_decorator` (test "test_multiple_nested_levels") generated 16 warnings
[INFO] [stderr] warning: `tree_decorator` (test "test_items_level") generated 9 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tree_decorator-a91bc67b8c4666b5)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_items_level.rs (/opt/rustwide/target/debug/deps/test_items_level-1377364f95117e8f)
[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 tests/test_log.rs (/opt/rustwide/target/debug/deps/test_log-0772e1f6da9fe9f1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_items_level ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_output ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_multiple_nested_levels.rs (/opt/rustwide/target/debug/deps/test_multiple_nested_levels-0a5f3e2a34b515bd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_multiple_nested_levels_output ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_no_handler_output.rs (/opt/rustwide/target/debug/deps/test_no_handler_output-faee62917ebd692d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_no_handler_output ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_output.rs (/opt/rustwide/target/debug/deps/test_output-5457df1ba24f5c71)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_output ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tree_decorator
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/macros/mod.rs - macros::tree_item (line 71) ... ignored
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/macros/log.rs - macros::log::tree_item_trace (line 161) ... ok
[INFO] [stdout] test src/macros/mod.rs - macros::tree_item (line 115) ... ok
[INFO] [stdout] test src/macros/log.rs - macros::log::tree_item_warn (line 221) ... ok
[INFO] [stdout] test src/lib.rs - (line 66) ... ok
[INFO] [stdout] test src/macros/log.rs - macros::log::tree_item_error (line 67) ... ok
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] test src/decorator/style.rs - decorator::style::Style::last (line 27) ... ok
[INFO] [stdout] test src/macros/log.rs - macros::log::tree_item_debug (line 8) ... ok
[INFO] [stdout] test src/macros/log.rs - macros::log::tree_item_trace (line 169) ... ok
[INFO] [stdout] test src/macros/mod.rs - macros::close_tree_item (line 209) ... ok
[INFO] [stdout] test src/macros/log.rs - macros::log::tree_item_warn (line 213) ... ok
[INFO] [stdout] test src/macros/log.rs - macros::log::tree_item_info (line 110) ... ok
[INFO] [stdout] test src/macros/log.rs - macros::log::tree_item_info (line 118) ... ok
[INFO] [stdout] test src/macros/log.rs - macros::log::tree_item_debug (line 16) ... ok
[INFO] [stdout] test src/macros/log.rs - macros::log::tree_item_error (line 59) ... ok
[INFO] [stdout] test src/macros/mod.rs - macros::close_tree_item (line 201) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d30cc6b879346d593f9f7b9faeb03405a37e7c2edbdc02bd318f729c6b06a6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30cc6b879346d593f9f7b9faeb03405a37e7c2edbdc02bd318f729c6b06a6d5", kill_on_drop: false }`
[INFO] [stdout] d30cc6b879346d593f9f7b9faeb03405a37e7c2edbdc02bd318f729c6b06a6d5