[INFO] cloning repository https://github.com/kanersps/dynamic_lua_ffi [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kanersps/dynamic_lua_ffi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanersps%2Fdynamic_lua_ffi", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanersps%2Fdynamic_lua_ffi'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d31d7fe00b395655bef348548018957a40963c06 [INFO] testing kanersps/dynamic_lua_ffi against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanersps%2Fdynamic_lua_ffi" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/kanersps/dynamic_lua_ffi [INFO] finished tweaking git repo https://github.com/kanersps/dynamic_lua_ffi [INFO] tweaked toml for git repo https://github.com/kanersps/dynamic_lua_ffi written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kanersps/dynamic_lua_ffi on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/kanersps/dynamic_lua_ffi 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded io-lifetimes v0.6.1 [INFO] [stderr] Downloaded fd-lock v3.0.5 [INFO] [stderr] Downloaded lua-src v544.0.1 [INFO] [stderr] Downloaded mlua v0.8.0-beta.4 [INFO] [stderr] Downloaded rustix v0.34.6 [INFO] [stderr] Downloaded luajit-src v210.3.4+resty073ac54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a21dfd14287c59f3b12bdf64a3d23ce2d9267c493b04573c5a351fe70fe948ab [INFO] running `Command { std: "docker" "start" "-a" "a21dfd14287c59f3b12bdf64a3d23ce2d9267c493b04573c5a351fe70fe948ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a21dfd14287c59f3b12bdf64a3d23ce2d9267c493b04573c5a351fe70fe948ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a21dfd14287c59f3b12bdf64a3d23ce2d9267c493b04573c5a351fe70fe948ab", kill_on_drop: false }` [INFO] [stdout] a21dfd14287c59f3b12bdf64a3d23ce2d9267c493b04573c5a351fe70fe948ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 85f0cd34f327f8464a63017d4c618404df2b98402dd344710aa210e897fced43 [INFO] running `Command { std: "docker" "start" "-a" "85f0cd34f327f8464a63017d4c618404df2b98402dd344710aa210e897fced43", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling io-lifetimes v0.6.1 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling rustix v0.34.6 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling linux-raw-sys v0.0.46 [INFO] [stderr] Compiling endian-type v0.1.2 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling once_cell v1.10.0 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling utf8parse v0.2.0 [INFO] [stderr] Compiling libloading v0.7.3 [INFO] [stderr] Compiling nibble_vec v0.1.0 [INFO] [stderr] Compiling radix_trie v0.2.1 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling luajit-src v210.3.4+resty073ac54 [INFO] [stderr] Compiling lua-src v544.0.1 [INFO] [stderr] Compiling mlua v0.8.0-beta.4 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling nix v0.23.1 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling fd-lock v3.0.5 [INFO] [stderr] Compiling rustyline v9.1.2 [INFO] [stderr] Compiling testlua v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Display` and `Formatter` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{Display, Formatter}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/main.rs:34:49 [INFO] [stdout] | [INFO] [stdout] 34 | let func :libloading::Symbol = lib.get(b"load_rust").unwrap(); [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(missing_abi)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | _ => println!("Can not print!"), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 12 | Value::Nil => println!("nil"), [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] 13 | Value::Boolean(b) => println!("{}", b), [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] 14 | Value::LightUserData(lu) => println!("{:?}", lu), [INFO] [stdout] | ------------------------ matches some of the same values [INFO] [stdout] 15 | Value::Integer(i) => println!("{}", i), [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 23 | _ => println!("Can not print!"), [INFO] [stdout] | ^ ...and 7 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/main.rs:31:45 [INFO] [stdout] | [INFO] [stdout] 31 | let load_library = lua.create_function(|d, library: String| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | lua.globals().set("load_library", load_library); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = lua.globals().set("load_library", load_library); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.05s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mlua v0.8.0-beta.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "85f0cd34f327f8464a63017d4c618404df2b98402dd344710aa210e897fced43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85f0cd34f327f8464a63017d4c618404df2b98402dd344710aa210e897fced43", kill_on_drop: false }` [INFO] [stdout] 85f0cd34f327f8464a63017d4c618404df2b98402dd344710aa210e897fced43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 25d51b7db4369d0d22b2d2569a88312721a1870033e255b180d4abd58eaf3f76 [INFO] running `Command { std: "docker" "start" "-a" "25d51b7db4369d0d22b2d2569a88312721a1870033e255b180d4abd58eaf3f76", kill_on_drop: false }` [INFO] [stderr] Compiling testlua v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Display` and `Formatter` [INFO] [stdout] --> src/main.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{Display, Formatter}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/main.rs:34:49 [INFO] [stdout] | [INFO] [stdout] 34 | let func :libloading::Symbol = lib.get(b"load_rust").unwrap(); [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(missing_abi)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | _ => println!("Can not print!"), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 12 | Value::Nil => println!("nil"), [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] 13 | Value::Boolean(b) => println!("{}", b), [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] 14 | Value::LightUserData(lu) => println!("{:?}", lu), [INFO] [stdout] | ------------------------ matches some of the same values [INFO] [stdout] 15 | Value::Integer(i) => println!("{}", i), [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 23 | _ => println!("Can not print!"), [INFO] [stdout] | ^ ...and 7 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/main.rs:31:45 [INFO] [stdout] | [INFO] [stdout] 31 | let load_library = lua.create_function(|d, library: String| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | lua.globals().set("load_library", load_library); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = lua.globals().set("load_library", load_library); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mlua v0.8.0-beta.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "25d51b7db4369d0d22b2d2569a88312721a1870033e255b180d4abd58eaf3f76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25d51b7db4369d0d22b2d2569a88312721a1870033e255b180d4abd58eaf3f76", kill_on_drop: false }` [INFO] [stdout] 25d51b7db4369d0d22b2d2569a88312721a1870033e255b180d4abd58eaf3f76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 1abcfb6af5b0a59b7b3a78077ace7322be1fdd29f55740fde6b19dada6a72d56 [INFO] running `Command { std: "docker" "start" "-a" "1abcfb6af5b0a59b7b3a78077ace7322be1fdd29f55740fde6b19dada6a72d56", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `Display` and `Formatter` [INFO] [stderr] --> src/main.rs:1:16 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fmt::{Display, Formatter}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stderr] --> src/main.rs:34:49 [INFO] [stderr] | [INFO] [stderr] 34 | let func :libloading::Symbol = lib.get(b"load_rust").unwrap(); [INFO] [stderr] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(missing_abi)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/main.rs:23:13 [INFO] [stderr] | [INFO] [stderr] 23 | _ => println!("Can not print!"), [INFO] [stderr] | ^ no value can reach this [INFO] [stderr] | [INFO] [stderr] note: multiple earlier patterns match some of the same values [INFO] [stderr] --> src/main.rs:23:13 [INFO] [stderr] | [INFO] [stderr] 12 | Value::Nil => println!("nil"), [INFO] [stderr] | ---------- matches some of the same values [INFO] [stderr] 13 | Value::Boolean(b) => println!("{}", b), [INFO] [stderr] | ----------------- matches some of the same values [INFO] [stderr] 14 | Value::LightUserData(lu) => println!("{:?}", lu), [INFO] [stderr] | ------------------------ matches some of the same values [INFO] [stderr] 15 | Value::Integer(i) => println!("{}", i), [INFO] [stderr] | ----------------- matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 23 | _ => println!("Can not print!"), [INFO] [stderr] | ^ ...and 7 other patterns collectively make this unreachable [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d` [INFO] [stderr] --> src/main.rs:31:45 [INFO] [stderr] | [INFO] [stderr] 31 | let load_library = lua.create_function(|d, library: String| { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | lua.globals().set("load_library", load_library); [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)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 41 | let _ = lua.globals().set("load_library", load_library); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `testlua` (bin "testlua" test) generated 5 warnings (run `cargo fix --bin "testlua" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mlua v0.8.0-beta.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/testlua-e90e8fae38f3ff81) [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] running `Command { std: "docker" "inspect" "1abcfb6af5b0a59b7b3a78077ace7322be1fdd29f55740fde6b19dada6a72d56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1abcfb6af5b0a59b7b3a78077ace7322be1fdd29f55740fde6b19dada6a72d56", kill_on_drop: false }` [INFO] [stdout] 1abcfb6af5b0a59b7b3a78077ace7322be1fdd29f55740fde6b19dada6a72d56