cargo-leptos build error when specifying custom profile in --bin-cargo-args

[komal-sai-yral]

Context : I want 3 profiles for bin

• debug for local development which is normal
• preview-release for preview links
• prod-release for prod

// Cargo.toml

[profile.prod-release]
inherits = "release"
debug = 1
lto = true
opt-level = 's'
split-debuginfo = "packed"
strip = true

[profile.preview-release]
inherits = "release"

[profile.wasm-release] ---> for lib
inherits = "release"
opt-level = 'z'
lto = true
codegen-units = 1

// ssr/Cargo.toml
lib-profile-release = "wasm-release"

Why preview-release and prod-release?

• because I want sentry source context in prod but not in preview since I don't want the added compile times

there is only 1 bin-profile-release so I can't use that

The cmd I am using:

cargo leptos build --lib-features release-lib --bin-features release-bin --bin-cargo-args="--profile=preview-release " --lib-cargo-args="--release"

Error (its looking for debug path since we haven't passed --release to cargo leptos. passing both --release and --profile will error the cmd):

Error: at `/home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/cargo-leptos-0.2.28/src/compile/front.rs:48:30`
[646](https://github.com/dolr-ai/hot-or-not-web-leptos-ssr/actions/runs/14579987456/job/40894368170#step:16:647)
[647](https://github.com/dolr-ai/hot-or-not-web-leptos-ssr/actions/runs/14579987456/job/40894368170#step:16:648)Caused by:
[648](https://github.com/dolr-ai/hot-or-not-web-leptos-ssr/actions/runs/14579987456/job/40894368170#step:16:649)    0: at `/home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/cargo-leptos-0.2.28/src/compile/front.rs:125:10`
[649](https://github.com/dolr-ai/hot-or-not-web-leptos-ssr/actions/runs/14579987456/job/40894368170#step:16:650)    1: failed reading 'target/front/wasm32-unknown-unknown/debug/hot_or_not_web_leptos_ssr.wasm'
[650](https://github.com/dolr-ai/hot-or-not-web-leptos-ssr/actions/runs/14579987456/job/40894368170#step:16:651)    2: No such file or directory (os error 2)

Also tried:

cargo leptos build --lib-features release-lib --bin-features release-bin --bin-cargo-args="--profile=preview-release"

ssr/Cargo.toml 
lib-profile-dev = "wasm-release" (to override above error)

Error (now the bin side fails trying to find at debug path):

       Cargo finished cargo build --package=hot-or-not-web-leptos-ssr --bin=hot-or-not-web-leptos-ssr --target=x86_64-unknown-linux-musl --no-default-features --features=release-bin --profile=preview-release
[1283](https://github.com/dolr-ai/hot-or-not-web-leptos-ssr/actions/runs/14581106212/job/40897805996#step:16:1284)Error: at `/home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/cargo-leptos-0.2.28/src/compile/server.rs:40:22`
[1284](https://github.com/dolr-ai/hot-or-not-web-leptos-ssr/actions/runs/14581106212/job/40897805996#step:16:1285)
[1285](https://github.com/dolr-ai/hot-or-not-web-leptos-ssr/actions/runs/14581106212/job/40897805996#step:16:1286)Caused by:
[1286](https://github.com/dolr-ai/hot-or-not-web-leptos-ssr/actions/runs/14581106212/job/40897805996#step:16:1287)    0: at `/home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/cargo-leptos-0.2.28/src/service/site.rs:117:44`
[1287](https://github.com/dolr-ai/hot-or-not-web-leptos-ssr/actions/runs/14581106212/job/40897805996#step:16:1288)    1: Could not read "target/x86_64-unknown-linux-musl/debug/hot-or-not-web-leptos-ssr" at `/home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/cargo-leptos-0.2.28/src/ext/fs.rs:44:10`
[1288](https://github.com/dolr-ai/hot-or-not-web-leptos-ssr/actions/runs/14581106212/job/40897805996#step:16:1289)    2: No such file or directory (os error 2)
[1289](https://github.com/dolr-ai/hot-or-not-web-leptos-ssr/actions/runs/14581106212/job/40897805996#step:16:1290)Error: Process completed with exit code 1.

References :

• https://github.com/leptos-rs/cargo-leptos/blob/main/README.md
• cargo leptos build --help