[INFO] fetching crate particles 0.1.0...
[INFO] testing particles-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate particles 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate particles 0.1.0
[INFO] finished tweaking crates.io crate particles 0.1.0
[INFO] tweaked toml for crates.io crate particles 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate particles 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14b3be90309437b5fa3d3eed715cefca37c4f5a8b35c1d7d776ba59a16233f48
[INFO] running `Command { std: "docker" "start" "-a" "14b3be90309437b5fa3d3eed715cefca37c4f5a8b35c1d7d776ba59a16233f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14b3be90309437b5fa3d3eed715cefca37c4f5a8b35c1d7d776ba59a16233f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b3be90309437b5fa3d3eed715cefca37c4f5a8b35c1d7d776ba59a16233f48", kill_on_drop: false }`
[INFO] [stdout] 14b3be90309437b5fa3d3eed715cefca37c4f5a8b35c1d7d776ba59a16233f48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c969d8f9d0f5cb6d0ffd8ec421e6a49e1fd113c7a1dc40e733ed998c19f3b78
[INFO] running `Command { std: "docker" "start" "-a" "7c969d8f9d0f5cb6d0ffd8ec421e6a49e1fd113c7a1dc40e733ed998c19f3b78", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling particles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]  --> src/glue.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     CString::from_raw(s);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[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] 6 |     let _ = CString::from_raw(s);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stdout]   --> src/glue.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Box::into_raw(v);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: losing the pointer will leak memory
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = Box::into_raw(v);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/glue.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Box::from_raw(::std::slice::from_raw_parts_mut(mem, len + ptr_size));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let _ = Box::from_raw(::std::slice::from_raw_parts_mut(mem, len + ptr_size));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/particles_api.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Box::from_raw(config);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let _ = Box::from_raw(config);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/particles_api.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Box::from_raw(state);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let _ = Box::from_raw(state);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/particles_api.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     Box::from_raw(rendered);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let _ = Box::from_raw(rendered);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "7c969d8f9d0f5cb6d0ffd8ec421e6a49e1fd113c7a1dc40e733ed998c19f3b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c969d8f9d0f5cb6d0ffd8ec421e6a49e1fd113c7a1dc40e733ed998c19f3b78", kill_on_drop: false }`
[INFO] [stdout] 7c969d8f9d0f5cb6d0ffd8ec421e6a49e1fd113c7a1dc40e733ed998c19f3b78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe78773e8321ea34b8be188f9cf73fd18fa7f14c2ea098ce53a1c41e307e98d6
[INFO] running `Command { std: "docker" "start" "-a" "fe78773e8321ea34b8be188f9cf73fd18fa7f14c2ea098ce53a1c41e307e98d6", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling particles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]  --> src/glue.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     CString::from_raw(s);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[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] 6 |     let _ = CString::from_raw(s);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stdout]   --> src/glue.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Box::into_raw(v);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: losing the pointer will leak memory
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = Box::into_raw(v);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/glue.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Box::from_raw(::std::slice::from_raw_parts_mut(mem, len + ptr_size));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let _ = Box::from_raw(::std::slice::from_raw_parts_mut(mem, len + ptr_size));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/particles_api.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Box::from_raw(config);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let _ = Box::from_raw(config);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/particles_api.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Box::from_raw(state);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let _ = Box::from_raw(state);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/particles_api.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     Box::from_raw(rendered);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let _ = Box::from_raw(rendered);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "fe78773e8321ea34b8be188f9cf73fd18fa7f14c2ea098ce53a1c41e307e98d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe78773e8321ea34b8be188f9cf73fd18fa7f14c2ea098ce53a1c41e307e98d6", kill_on_drop: false }`
[INFO] [stdout] fe78773e8321ea34b8be188f9cf73fd18fa7f14c2ea098ce53a1c41e307e98d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f19bb68b5c5b2091512f4e8e19b26b3e30d33764122bf97ca7abf5f1df97893e
[INFO] running `Command { std: "docker" "start" "-a" "f19bb68b5c5b2091512f4e8e19b26b3e30d33764122bf97ca7abf5f1df97893e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stderr]  --> src/glue.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     CString::from_raw(s);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[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] 6 |     let _ = CString::from_raw(s);
[INFO] [stderr]   |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stderr]   --> src/glue.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Box::into_raw(v);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: losing the pointer will leak memory
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let _ = Box::into_raw(v);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/glue.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Box::from_raw(::std::slice::from_raw_parts_mut(mem, len + ptr_size));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let _ = Box::from_raw(::std::slice::from_raw_parts_mut(mem, len + ptr_size));
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/particles_api.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Box::from_raw(config);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let _ = Box::from_raw(config);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/particles_api.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Box::from_raw(state);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let _ = Box::from_raw(state);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/particles_api.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     Box::from_raw(rendered);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let _ = Box::from_raw(rendered);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `particles` (lib test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/particles-75b35ce90948d20a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test glue::test_alloc_free ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.94s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f19bb68b5c5b2091512f4e8e19b26b3e30d33764122bf97ca7abf5f1df97893e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19bb68b5c5b2091512f4e8e19b26b3e30d33764122bf97ca7abf5f1df97893e", kill_on_drop: false }`
[INFO] [stdout] f19bb68b5c5b2091512f4e8e19b26b3e30d33764122bf97ca7abf5f1df97893e