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[tutorial] Advise using --locked in cargo install #1100

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@wiktor-k wiktor-k commented Mar 1, 2024

Hi 👋

Motivation

This patch makes cargo use the lockfile for dependencies. Without that, at the time of writing this patch, the install fails with the following error:

error: failed to compile `move-cli v0.1.0 (/home/wiktor/src/open-source/move/language/tools/move-cli)`, intermediate artifacts can be found at `/home/wiktor/tmp/cargo`

Caused by:
  package `toml_datetime v0.6.5` cannot be built because it requires rustc 1.67 or newer, while the currently active rustc version is 1.65.0

See: rust-lang/cargo#7169 (comment)

Alternative solution would be upgrading Rust version but adding --locked to the tutorial is far less invasive.

Have you read the Contributing Guidelines on pull requests?

Yes 👍

Test Plan

Try cargo install --path language/tools/move-cli and see it fail, now try cargo install --locked --path language/tools/move-cli. It should succeed.

This makes cargo use the lockfile for dependencies. Without that, at the
time of writing this patch, the install fails with the following error:

    error: failed to compile `move-cli v0.1.0 (/home/wiktor/src/open-source/move/language/tools/move-cli)`, intermediate artifacts can be found at `/home/wiktor/tmp/cargo`

    Caused by:
      package `toml_datetime v0.6.5` cannot be built because it requires rustc 1.67 or newer, while the currently active rustc version is 1.65.0

Alternative solution would be upgrading Rust version but adding `--locked`
to the tutorial is far less invasive.

See: rust-lang/cargo#7169 (comment)
@wrwg wrwg enabled auto-merge (rebase) March 3, 2024 00:12
@wiktor-k
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wiktor-k commented Mar 3, 2024

Hmm... funny thing, one of the CI jobs failed with the same exact reason ( --locked flag missing on cargo install). I could fix it in this PR if you don't mind.

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