[INFO] fetching crate newt 0.7.2...
[INFO] testing newt-0.7.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate newt 0.7.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate newt 0.7.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate newt 0.7.2
[INFO] tweaked toml for crates.io crate newt 0.7.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate newt 0.7.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate newt 0.7.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded newt_proc_macros v0.0.16
[INFO] [stderr]   Downloaded windows-core v0.61.2
[INFO] [stderr]   Downloaded windows-result v0.3.4
[INFO] [stderr]   Downloaded windows-strings v0.4.2
[INFO] [stderr]   Downloaded rand v0.9.2
[INFO] [stderr]   Downloaded cc v1.2.31
[INFO] [stderr]   Downloaded windows-targets v0.53.3
[INFO] [stderr]   Downloaded windows-link v0.1.3
[INFO] [stderr]   Downloaded newt-sys v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1de81005cfcb30ffb2d92ef6d96a8c6b66ac40007eb6bdac2385327c34d205f5
[INFO] running `Command { std: "docker" "start" "-a" "1de81005cfcb30ffb2d92ef6d96a8c6b66ac40007eb6bdac2385327c34d205f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1de81005cfcb30ffb2d92ef6d96a8c6b66ac40007eb6bdac2385327c34d205f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de81005cfcb30ffb2d92ef6d96a8c6b66ac40007eb6bdac2385327c34d205f5", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87491e14478f468b90b01a50373c01b40a8d5c2a08fa0f91636cc6c78e66a8d7
[INFO] running `Command { std: "docker" "start" "-a" "87491e14478f468b90b01a50373c01b40a8d5c2a08fa0f91636cc6c78e66a8d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cc v1.2.31
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling newt v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling newt_proc_macros v0.0.16
[INFO] [stderr]    Compiling newt-sys v0.2.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "87491e14478f468b90b01a50373c01b40a8d5c2a08fa0f91636cc6c78e66a8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87491e14478f468b90b01a50373c01b40a8d5c2a08fa0f91636cc6c78e66a8d7", kill_on_drop: false }`
[INFO] [stdout] 87491e14478f468b90b01a50373c01b40a8d5c2a08fa0f91636cc6c78e66a8d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f8db601d35b856e90d069f4c7e0ed53495b4df16ed2628aa48b77d93d42a93b
[INFO] running `Command { std: "docker" "start" "-a" "2f8db601d35b856e90d069f4c7e0ed53495b4df16ed2628aa48b77d93d42a93b", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling newt v0.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/checkbox_tree.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     tree.add_item("Option 0", 0, 0, None); 
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let _ = tree.add_item("Option 0", 0, 0, None); 
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/checkbox_tree.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     tree.add_item("Tree 1", 1, 0, Some(&[0]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let _ = tree.add_item("Tree 1", 1, 0, Some(&[0]));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/checkbox_tree.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     tree.add_item("Option 1", 2, 0, Some(&[0, ARG_APPEND]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let _ = tree.add_item("Option 1", 2, 0, Some(&[0, ARG_APPEND]));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/checkbox_tree.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     tree.add_item("Option 2", 3, 0, Some(&[0, ARG_APPEND]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let _ = tree.add_item("Option 2", 3, 0, Some(&[0, ARG_APPEND]));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/checkbox_tree.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     tree.add_item("Tree 2", 4, 0, Some(&[1]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let _ = tree.add_item("Tree 2", 4, 0, Some(&[1]));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/checkbox_tree.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     tree.add_item("Tree 3", 5, 0, Some(&[1, ARG_APPEND]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let _ = tree.add_item("Tree 3", 5, 0, Some(&[1, ARG_APPEND]));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/checkbox_tree.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     tree.add_item("Option 6", 9, 0, Some(&[1, 0, ARG_APPEND]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let _ = tree.add_item("Option 6", 9, 0, Some(&[1, 0, ARG_APPEND]));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/checkbox_tree.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     tree.add_item("Option 3", 6, 0, Some(&[1, ARG_APPEND]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let _ = tree.add_item("Option 3", 6, 0, Some(&[1, ARG_APPEND]));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/checkbox_tree.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     tree.add_item("Option 4", 7, 0, Some(&[1, ARG_APPEND]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let _ = tree.add_item("Option 4", 7, 0, Some(&[1, ARG_APPEND]));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/checkbox_tree.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     tree.add_item("Option 5", 8, 0, Some(&[1, ARG_APPEND]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let _ = tree.add_item("Option 5", 8, 0, Some(&[1, ARG_APPEND]));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/checkbox_tree_tests.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     checkbox_tree.add_item("item 1", 5, 0, Some(&[ARG_APPEND]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let _ = checkbox_tree.add_item("item 1", 5, 0, Some(&[ARG_APPEND]));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/checkbox_tree_tests.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     checkbox_tree.add_item("item 1", 5, 0, Some(&[-100]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let _ = checkbox_tree.add_item("item 1", 5, 0, Some(&[-100]));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/checkbox_tree_tests.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let _ = checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/checkbox_tree_tests.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let _ = checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/checkbox_tree_tests.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     checkbox_tree.add_item("item 2", 10, 0, None);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let _ = checkbox_tree.add_item("item 2", 10, 0, None);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/checkbox_tree_tests.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     checkbox_tree.add_item("item 1", 5, 0, Some(&[ARG_APPEND]));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let _ = checkbox_tree.add_item("item 1", 5, 0, Some(&[ARG_APPEND]));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     checkbox_tree.add_item("item 2", 10, 0, Some(&[1]));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let _ = checkbox_tree.add_item("item 2", 10, 0, Some(&[1]));
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     checkbox_tree.add_item("item 3", 15, 0, Some(&[1, ARG_APPEND]));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 101 |     let _ = checkbox_tree.add_item("item 3", 15, 0, Some(&[1, ARG_APPEND]));
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let _ = checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let _ = checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let _ = checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let _ = checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     checkbox_tree.add_item("item 2", 10, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let _ = checkbox_tree.add_item("item 2", 10, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 140 |     let _ = checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     checkbox_tree.add_item("item 2", 10, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let _ = checkbox_tree.add_item("item 2", 10, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 150 |     checkbox_tree.add_item("entry1", 'a', 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let _ = checkbox_tree.add_item("entry1", 'a', 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |     checkbox_tree.add_item("entry2", 'b', 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let _ = checkbox_tree.add_item("entry2", 'b', 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     checkbox_tree.add_item("entry3", 'c', 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let _ = checkbox_tree.add_item("entry3", 'c', 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     checkbox_tree.add_item("entry1", i8::MIN, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let _ = checkbox_tree.add_item("entry1", i8::MIN, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     checkbox_tree.add_item("entry2", 0, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let _ = checkbox_tree.add_item("entry2", 0, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     checkbox_tree.add_item("entry3", i8::MAX, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let _ = checkbox_tree.add_item("entry3", i8::MAX, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:180:5
[INFO] [stdout]     |
[INFO] [stdout] 180 |     checkbox_tree.add_item("entry1", i32::MIN, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let _ = checkbox_tree.add_item("entry1", i32::MIN, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     checkbox_tree.add_item("entry2", 0, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let _ = checkbox_tree.add_item("entry2", 0, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     checkbox_tree.add_item("entry3", i32::MAX, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let _ = checkbox_tree.add_item("entry3", i32::MAX, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     checkbox_tree.add_item("entry1", isize::MIN, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let _ = checkbox_tree.add_item("entry1", isize::MIN, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     checkbox_tree.add_item("entry2", 0, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let _ = checkbox_tree.add_item("entry2", 0, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 |     checkbox_tree.add_item("entry3", isize::MAX, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 197 |     let _ = checkbox_tree.add_item("entry3", isize::MAX, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:211:5
[INFO] [stdout]     |
[INFO] [stdout] 211 |     checkbox_tree.add_item("entry1", u8::MIN, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 211 |     let _ = checkbox_tree.add_item("entry1", u8::MIN, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     checkbox_tree.add_item("entry2", mid, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let _ = checkbox_tree.add_item("entry2", mid, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 213 |     checkbox_tree.add_item("entry3", u8::MAX, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 213 |     let _ = checkbox_tree.add_item("entry3", u8::MAX, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:227:5
[INFO] [stdout]     |
[INFO] [stdout] 227 |     checkbox_tree.add_item("entry1", u32::MIN, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 227 |     let _ = checkbox_tree.add_item("entry1", u32::MIN, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     checkbox_tree.add_item("entry2", mid, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 228 |     let _ = checkbox_tree.add_item("entry2", mid, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 |     checkbox_tree.add_item("entry3", u32::MAX, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let _ = checkbox_tree.add_item("entry3", u32::MAX, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:243:5
[INFO] [stdout]     |
[INFO] [stdout] 243 |     checkbox_tree.add_item("entry1", usize::MIN, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 243 |     let _ = checkbox_tree.add_item("entry1", usize::MIN, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 |     checkbox_tree.add_item("entry2", mid, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let _ = checkbox_tree.add_item("entry2", mid, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:245:5
[INFO] [stdout]     |
[INFO] [stdout] 245 |     checkbox_tree.add_item("entry3", usize::MAX, 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 245 |     let _ = checkbox_tree.add_item("entry3", usize::MAX, 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:262:5
[INFO] [stdout]     |
[INFO] [stdout] 262 |     checkbox_tree.add_item("entry1", Data(&st1), 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 262 |     let _ = checkbox_tree.add_item("entry1", Data(&st1), 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:263:5
[INFO] [stdout]     |
[INFO] [stdout] 263 |     checkbox_tree.add_item("entry2", Data(&st2), 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 263 |     let _ = checkbox_tree.add_item("entry2", Data(&st2), 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/checkbox_tree_tests.rs:264:5
[INFO] [stdout]     |
[INFO] [stdout] 264 |     checkbox_tree.add_item("entry3", Data(&st3), 0, None);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 264 |     let _ = checkbox_tree.add_item("entry3", Data(&st3), 0, None);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.13s
[INFO] running `Command { std: "docker" "inspect" "2f8db601d35b856e90d069f4c7e0ed53495b4df16ed2628aa48b77d93d42a93b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f8db601d35b856e90d069f4c7e0ed53495b4df16ed2628aa48b77d93d42a93b", kill_on_drop: false }`
[INFO] [stdout] 2f8db601d35b856e90d069f4c7e0ed53495b4df16ed2628aa48b77d93d42a93b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 996ff2ae8ce6df09ad837f89a7e17440daaab9013c51c725cee2092445c7b7eb
[INFO] running `Command { std: "docker" "start" "-a" "996ff2ae8ce6df09ad837f89a7e17440daaab9013c51c725cee2092445c7b7eb", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/checkbox_tree.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     tree.add_item("Option 0", 0, 0, None); 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let _ = tree.add_item("Option 0", 0, 0, None); 
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/checkbox_tree.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     tree.add_item("Tree 1", 1, 0, Some(&[0]));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let _ = tree.add_item("Tree 1", 1, 0, Some(&[0]));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/checkbox_tree.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     tree.add_item("Option 1", 2, 0, Some(&[0, ARG_APPEND]));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let _ = tree.add_item("Option 1", 2, 0, Some(&[0, ARG_APPEND]));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/checkbox_tree.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     tree.add_item("Option 2", 3, 0, Some(&[0, ARG_APPEND]));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let _ = tree.add_item("Option 2", 3, 0, Some(&[0, ARG_APPEND]));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/checkbox_tree.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     tree.add_item("Tree 2", 4, 0, Some(&[1]));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let _ = tree.add_item("Tree 2", 4, 0, Some(&[1]));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/checkbox_tree.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     tree.add_item("Tree 3", 5, 0, Some(&[1, ARG_APPEND]));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let _ = tree.add_item("Tree 3", 5, 0, Some(&[1, ARG_APPEND]));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/checkbox_tree.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     tree.add_item("Option 6", 9, 0, Some(&[1, 0, ARG_APPEND]));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let _ = tree.add_item("Option 6", 9, 0, Some(&[1, 0, ARG_APPEND]));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/checkbox_tree.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     tree.add_item("Option 3", 6, 0, Some(&[1, ARG_APPEND]));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let _ = tree.add_item("Option 3", 6, 0, Some(&[1, ARG_APPEND]));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/checkbox_tree.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     tree.add_item("Option 4", 7, 0, Some(&[1, ARG_APPEND]));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let _ = tree.add_item("Option 4", 7, 0, Some(&[1, ARG_APPEND]));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/checkbox_tree.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     tree.add_item("Option 5", 8, 0, Some(&[1, ARG_APPEND]));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let _ = tree.add_item("Option 5", 8, 0, Some(&[1, ARG_APPEND]));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/checkbox_tree_tests.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     checkbox_tree.add_item("item 1", 5, 0, Some(&[ARG_APPEND]));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let _ = checkbox_tree.add_item("item 1", 5, 0, Some(&[ARG_APPEND]));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/checkbox_tree_tests.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     checkbox_tree.add_item("item 1", 5, 0, Some(&[-100]));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let _ = checkbox_tree.add_item("item 1", 5, 0, Some(&[-100]));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/checkbox_tree_tests.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let _ = checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/checkbox_tree_tests.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let _ = checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/checkbox_tree_tests.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     checkbox_tree.add_item("item 2", 10, 0, None);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let _ = checkbox_tree.add_item("item 2", 10, 0, None);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/checkbox_tree_tests.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     checkbox_tree.add_item("item 1", 5, 0, Some(&[ARG_APPEND]));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let _ = checkbox_tree.add_item("item 1", 5, 0, Some(&[ARG_APPEND]));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     checkbox_tree.add_item("item 2", 10, 0, Some(&[1]));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let _ = checkbox_tree.add_item("item 2", 10, 0, Some(&[1]));
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     checkbox_tree.add_item("item 3", 15, 0, Some(&[1, ARG_APPEND]));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 101 |     let _ = checkbox_tree.add_item("item 3", 15, 0, Some(&[1, ARG_APPEND]));
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let _ = checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let _ = checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let _ = checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 131 |     let _ = checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     checkbox_tree.add_item("item 2", 10, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let _ = checkbox_tree.add_item("item 2", 10, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 140 |     let _ = checkbox_tree.add_item("item 1", 5, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     checkbox_tree.add_item("item 2", 10, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 141 |     let _ = checkbox_tree.add_item("item 2", 10, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     checkbox_tree.add_item("entry1", 'a', 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let _ = checkbox_tree.add_item("entry1", 'a', 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     checkbox_tree.add_item("entry2", 'b', 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 151 |     let _ = checkbox_tree.add_item("entry2", 'b', 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |     checkbox_tree.add_item("entry3", 'c', 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 152 |     let _ = checkbox_tree.add_item("entry3", 'c', 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     checkbox_tree.add_item("entry1", i8::MIN, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let _ = checkbox_tree.add_item("entry1", i8::MIN, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 |     checkbox_tree.add_item("entry2", 0, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 166 |     let _ = checkbox_tree.add_item("entry2", 0, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     checkbox_tree.add_item("entry3", i8::MAX, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 167 |     let _ = checkbox_tree.add_item("entry3", i8::MAX, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     checkbox_tree.add_item("entry1", i32::MIN, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 180 |     let _ = checkbox_tree.add_item("entry1", i32::MIN, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 181 |     checkbox_tree.add_item("entry2", 0, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let _ = checkbox_tree.add_item("entry2", 0, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:182:5
[INFO] [stderr]     |
[INFO] [stderr] 182 |     checkbox_tree.add_item("entry3", i32::MAX, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 182 |     let _ = checkbox_tree.add_item("entry3", i32::MAX, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:195:5
[INFO] [stderr]     |
[INFO] [stderr] 195 |     checkbox_tree.add_item("entry1", isize::MIN, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 195 |     let _ = checkbox_tree.add_item("entry1", isize::MIN, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:196:5
[INFO] [stderr]     |
[INFO] [stderr] 196 |     checkbox_tree.add_item("entry2", 0, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 196 |     let _ = checkbox_tree.add_item("entry2", 0, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 |     checkbox_tree.add_item("entry3", isize::MAX, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 197 |     let _ = checkbox_tree.add_item("entry3", isize::MAX, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 |     checkbox_tree.add_item("entry1", u8::MIN, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 211 |     let _ = checkbox_tree.add_item("entry1", u8::MIN, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:212:5
[INFO] [stderr]     |
[INFO] [stderr] 212 |     checkbox_tree.add_item("entry2", mid, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 212 |     let _ = checkbox_tree.add_item("entry2", mid, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:213:5
[INFO] [stderr]     |
[INFO] [stderr] 213 |     checkbox_tree.add_item("entry3", u8::MAX, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 213 |     let _ = checkbox_tree.add_item("entry3", u8::MAX, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 |     checkbox_tree.add_item("entry1", u32::MIN, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 227 |     let _ = checkbox_tree.add_item("entry1", u32::MIN, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:228:5
[INFO] [stderr]     |
[INFO] [stderr] 228 |     checkbox_tree.add_item("entry2", mid, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 228 |     let _ = checkbox_tree.add_item("entry2", mid, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:229:5
[INFO] [stderr]     |
[INFO] [stderr] 229 |     checkbox_tree.add_item("entry3", u32::MAX, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 229 |     let _ = checkbox_tree.add_item("entry3", u32::MAX, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:243:5
[INFO] [stderr]     |
[INFO] [stderr] 243 |     checkbox_tree.add_item("entry1", usize::MIN, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 243 |     let _ = checkbox_tree.add_item("entry1", usize::MIN, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:244:5
[INFO] [stderr]     |
[INFO] [stderr] 244 |     checkbox_tree.add_item("entry2", mid, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 244 |     let _ = checkbox_tree.add_item("entry2", mid, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:245:5
[INFO] [stderr]     |
[INFO] [stderr] 245 |     checkbox_tree.add_item("entry3", usize::MAX, 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 245 |     let _ = checkbox_tree.add_item("entry3", usize::MAX, 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:262:5
[INFO] [stderr]     |
[INFO] [stderr] 262 |     checkbox_tree.add_item("entry1", Data(&st1), 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 262 |     let _ = checkbox_tree.add_item("entry1", Data(&st1), 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:263:5
[INFO] [stderr]     |
[INFO] [stderr] 263 |     checkbox_tree.add_item("entry2", Data(&st2), 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 263 |     let _ = checkbox_tree.add_item("entry2", Data(&st2), 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/checkbox_tree_tests.rs:264:5
[INFO] [stderr]     |
[INFO] [stderr] 264 |     checkbox_tree.add_item("entry3", Data(&st3), 0, None);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 264 |     let _ = checkbox_tree.add_item("entry3", Data(&st3), 0, None);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `newt` (example "checkbox_tree") generated 10 warnings
[INFO] [stderr] warning: `newt` (test "checkbox_tree_tests") generated 39 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/newt-c6613e86eb81a31c)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test data::char_data_should_accept_ascii ... ok
[INFO] [stdout] test data::f64_data_should_cast_correctly ... ok
[INFO] [stdout] test data::i16_data_should_cast_correctly ... ok
[INFO] [stdout] test data::f32_data_should_cast_correctly ... ok
[INFO] [stdout] test data::i64_data_should_cast_correctly ... ok
[INFO] [stdout] test data::i8_data_should_cast_correctly ... ok
[INFO] [stdout] test data::i32_data_should_cast_correctly ... ok
[INFO] [stdout] test data::u16_data_should_cast_correctly ... ok
[INFO] [stdout] test data::isize_data_should_cast_correctly ... ok
[INFO] [stdout] test data::u64_data_should_cast_correctly ... ok
[INFO] [stdout] test data::u8_data_should_cast_correctly ... ok
[INFO] [stdout] test data::usize_data_should_cast_correctly ... ok
[INFO] [stdout] test data::u32_data_should_cast_correctly ... ok
[INFO] [stdout] test data::char_data_should_not_accept_utf8 - should panic ... ok
[INFO] [stderr]      Running tests/button_tests.rs (/opt/rustwide/target/debug/deps/button_tests-da50850b1b5719bb)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test button_partial_eq_true ... ok
[INFO] [stdout] test button_partial_eq_false ... ok
[INFO] [stdout] test button_create ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/checkbox_tests.rs (/opt/rustwide/target/debug/deps/checkbox_tests-e047bd9eeecbbf84)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test checkbox_get_value ... ok
[INFO] [stdout] test checkbox_partial_eq_false ... ok
[INFO] [stdout] test checkbox_set_flags ... ok
[INFO] [stdout] test checkbox_create ... ok
[INFO] [stdout] test checkbox_set_value ... ok
[INFO] [stdout] test checkbox_partial_eq_true ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/checkbox_tree_tests.rs (/opt/rustwide/target/debug/deps/checkbox_tree_tests-b7843a888781e256)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test checkbox_get_entry_value ... ok
[INFO] [stdout] test checkbox_get_multi_selection ... ok
[INFO] [stdout] test checkbox_get_multi_selection_i8 ... ok
[INFO] [stdout] test checkbox_get_multi_selection_isize ... ok
[INFO] [stdout] test checkbox_get_multi_selection_i32 ... ok
[INFO] [stdout] test checkbox_get_multi_selection_u32 ... ok
[INFO] [stdout] test checkbox_get_multi_selection_u8 ... ok
[INFO] [stdout] test checkbox_get_multi_selection_usize ... ok
[INFO] [stdout] test checkbox_get_selection ... ok
[INFO] [stdout] test checkbox_set_entry_value ... ok
[INFO] [stdout] test checkbox_tree_add_item ... ok
[INFO] [stdout] test checkbox_tree_find_item ... ok
[INFO] [stdout] test checkbox_tree_create ... ok
[INFO] [stdout] test checkbox_tree_get_current_no_entries ... ok
[INFO] [stdout] test checkbox_tree_partial_eq_false ... ok
[INFO] [stdout] test checkbox_tree_get_current ... ok
[INFO] [stdout] test checkbox_tree_get_multi_selection_struct ... ok
[INFO] [stdout] test checkbox_tree_partial_eq_true ... ok
[INFO] [stdout] test checkbox_tree_set_width ... ok
[INFO] [stdout] test checkbox_tree_set_current ... ok
[INFO] [stdout] test checkbox_tree_set_entry ... ok
[INFO] [stdout] test checkbox_get_multi_selection_char ... ok
[INFO] [stdout] test checkbox_tree_add_item_with_negative_index - should panic ... ok
[INFO] [stderr]      Running tests/compact_button_tests.rs (/opt/rustwide/target/debug/deps/compact_button_tests-2cc62b438b5799ce)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test compact_button_create ... ok
[INFO] [stdout] test compact_button_partial_eq_true ... ok
[INFO] [stdout] test compact_button_partial_eq_false ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/entry_tests.rs (/opt/rustwide/target/debug/deps/entry_tests-6666d4710c94425a)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test entry_partial_eq_false ... ok
[INFO] [stdout] test entry_get_cursor_position ... ok
[INFO] [stdout] test entry_create ... ok
[INFO] [stdout] test entry_set_cursor_position ... ok
[INFO] [stdout] test entry_set_colors ... ok
[INFO] [stdout] test entry_partial_eq_true ... ok
[INFO] [stdout] test entry_set_flags ... ok
[INFO] [stdout] test entry_set_text ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/form_tests.rs (/opt/rustwide/target/debug/deps/form_tests-433e4e7896926713)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test form_add_components ... ok
[INFO] [stdout] test form_create ... ok
[INFO] [stdout] test form_partial_eq_false ... ok
[INFO] [stdout] test form_partial_eq_true ... ok
[INFO] [stdout] test form_set_timer ... ok
[INFO] [stdout] test form_set_height ... ok
[INFO] [stdout] test form_add_component_x2 ... ok
[INFO] [stdout] test form_add_components_x2 ... ok
[INFO] [stdout] test form_set_width ... ok
[INFO] [stdout] test form_add_hot_key ... ok
[INFO] [stdout] test form_add_component ... ok
[INFO] [stdout] test form_take_component ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/grid_tests.rs (/opt/rustwide/target/debug/deps/grid_tests-0d654ef3eb01cf41)
[INFO] [stdout] test result: ok. 12 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] [stderr]      Running tests/label_tests.rs (/opt/rustwide/target/debug/deps/label_tests-323acad52ceedd45)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test label_create ... ok
[INFO] [stdout] test label_partial_eq_false ... ok
[INFO] [stdout] test label_partial_eq_true ... ok
[INFO] [stdout] test label_set_colors ... ok
[INFO] [stdout] test label_set_text ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/listbox_tests.rs (/opt/rustwide/target/debug/deps/listbox_tests-a095b67d2cc7bdb7)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test listbox_clear ... ok
[INFO] [stdout] test listbox_clear_selection ... ok
[INFO] [stdout] test listbox_append_entry ... ok
[INFO] [stdout] test listbox_delete_entry ... ok
[INFO] [stdout] test listbox_get_current_no_entries ... ok
[INFO] [stdout] test listbox_create ... ok
[INFO] [stdout] test listbox_get_entry ... ok
[INFO] [stdout] test listbox_get_selection ... ok
[INFO] [stdout] test listbox_get_selection_char ... ok
[INFO] [stdout] test listbox_get_selection_i32 ... ok
[INFO] [stdout] test listbox_get_selection_i8 ... ok
[INFO] [stdout] test listbox_get_selection_isize ... ok
[INFO] [stdout] test listbox_get_selection_none ... ok
[INFO] [stdout] test listbox_get_selection_struct ... ok
[INFO] [stdout] test listbox_get_selection_u32 ... ok
[INFO] [stdout] test listbox_get_selection_u8 ... ok
[INFO] [stdout] test listbox_get_selection_usize ... ok
[INFO] [stdout] test listbox_item_count ... ok
[INFO] [stdout] test listbox_partial_eq_false ... ok
[INFO] [stdout] test listbox_partial_eq_true ... ok
[INFO] [stdout] test listbox_select_items ... ok
[INFO] [stdout] test listbox_set_current ... ok
[INFO] [stdout] test listbox_set_current_by_key ... ok
[INFO] [stdout] test listbox_set_entry ... ok
[INFO] [stdout] test listbox_set_data ... ok
[INFO] [stdout] test listbox_select_item ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/nullify_tests.rs (/opt/rustwide/target/debug/deps/nullify_tests-bb51f616c56cdfc9)
[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]      Running tests/radiobutton_set_tests.rs (/opt/rustwide/target/debug/deps/radiobutton_set_tests-f51660a5973c6144)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test radiobutton_set_add_radiobutton ... ok
[INFO] [stdout] test radiobutton_set_get_current ... ok
[INFO] [stdout] test radiobutton_set_set_current ... ok
[INFO] [stdout] test radiobutton_set_create ... ok
[INFO] [stdout] test radiobutton_set_get_current_index_error - should panic ... ok
[INFO] [stdout] test radiobutton_set_set_current_index_error - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/radiobutton_tests.rs (/opt/rustwide/target/debug/deps/radiobutton_tests-0237f84a4d1a507a)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test radiobutton_create ... ok
[INFO] [stdout] test radiobutton_partial_eq_false ... ok
[INFO] [stdout] test radiobutton_get_current ... ok
[INFO] [stdout] test radiobutton_partial_eq_true ... ok
[INFO] [stdout] test radiobutton_set_current ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/scale_tests.rs (/opt/rustwide/target/debug/deps/scale_tests-5165fabe174c7159)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test scale_create ... ok
[INFO] [stdout] test scale_partial_eq_true ... ok
[INFO] [stdout] test scale_partial_eq_false ... ok
[INFO] [stdout] test scale_set ... ok
[INFO] [stdout] test scale_set_colors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/textbox_tests.rs (/opt/rustwide/target/debug/deps/textbox_tests-d3130a5c846c518d)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test textbox_create ... ok
[INFO] [stdout] test textbox_get_num_lines ... ok
[INFO] [stdout] test textbox_create_reflowed ... ok
[INFO] [stdout] test textbox_partial_eq_true ... ok
[INFO] [stdout] test textbox_partial_eq_false ... ok
[INFO] [stdout] test textbox_set_height ... ok
[INFO] [stdout] test textbox_set_colors ... ok
[INFO] [stdout] test textbox_set_text ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/vertical_scrollbar_tests.rs (/opt/rustwide/target/debug/deps/vertical_scrollbar_tests-b773730f40e78664)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test vertical_scrollbar_partial_eq_false ... ok
[INFO] [stdout] test vertical_scrollbar_create ... ok
[INFO] [stderr]    Doc-tests newt
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/callbacks/callback.rs - callbacks::callback::Callback (line 28) - compile ... ok
[INFO] [stdout] test src/widgets/entry.rs - widgets::entry::Entry (line 39) - compile ... ok
[INFO] [stdout] test src/widgets/listbox.rs - widgets::listbox::Listbox (line 38) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 32) - compile ... ok
[INFO] [stdout] test src/callbacks/suspend_callback.rs - callbacks::suspend_callback::SuspendCallback (line 26) - compile ... ok
[INFO] [stdout] test src/callbacks/help_callback.rs - callbacks::help_callback::HelpCallback (line 40) - compile ... ok
[INFO] [stdout] test src/widgets/checkbox_tree.rs - widgets::checkbox_tree::CheckboxTree (line 38) - compile ... ok
[INFO] [stdout] test src/widgets/radiobutton.rs - widgets::radiobutton::Radiobutton (line 35) - compile ... ok
[INFO] [stdout] test src/callbacks/destroy_callback.rs - callbacks::destroy_callback::DestroyCallback (line 28) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "996ff2ae8ce6df09ad837f89a7e17440daaab9013c51c725cee2092445c7b7eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996ff2ae8ce6df09ad837f89a7e17440daaab9013c51c725cee2092445c7b7eb", kill_on_drop: false }`
[INFO] [stdout] 996ff2ae8ce6df09ad837f89a7e17440daaab9013c51c725cee2092445c7b7eb
