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Current beta cannot bootstrap itself #60265

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Current beta cannot bootstrap itself#60265
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T-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)T-infraRelevant to the infrastructure team, which will review and decide on the PR/issue.regression-from-stable-to-betaPerformance or correctness regression from stable to beta.

Description

@Keruspe
Keruspe
opened on Apr 25, 2019

When trying to build the current beta (2bc1d40) using itself, the build of bootstrap fails with

error: the item `Seek` is imported redundantly
    --> src/bootstrap/lib.rs:1128:23
     |
126  | use std::io::{Seek, SeekFrom, Write, Read};
     |               ---- the item `Seek` is already imported here
...
1128 |         use std::io::{Seek, SeekFrom};
     |                       ^^^^
     |
note: lint level defined here
    --> src/bootstrap/lib.rs:107:9
     |
107  | #![deny(warnings)]
     |         ^^^^^^^^
     = note: #[deny(unused_imports)] implied by #[deny(warnings)]

error: the item `SeekFrom` is imported redundantly
    --> src/bootstrap/lib.rs:1128:29
     |
126  | use std::io::{Seek, SeekFrom, Write, Read};
     |                     -------- the item `SeekFrom` is already imported here
...
1128 |         use std::io::{Seek, SeekFrom};
     |                             ^^^^^^^^

error: aborting due to 2 previous errors

error: Could not compile `bootstrap`.

Activity

  1. hellow554 commented on Apr 25, 2019

    @hellow554
    hellow554
    on Apr 25, 2019
    Contributor

    @rustbot modify labels: A-rustbuild

    also label:regression-from-stable-to-beta

  2. rustbot commented on Apr 25, 2019

    @rustbot
    rustbot
    on Apr 25, 2019
    Collaborator

    Error: Label regression-from-stable-to-beta can only be set by Rust team members

    Please let @rust-lang/release know if you're having trouble with this bot.

  3. rustbot
    added
    T-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
    on Apr 25, 2019
  4. Mark-Simulacrum
    added
    regression-from-stable-to-betaPerformance or correctness regression from stable to beta.
    on Apr 25, 2019

  5. emilyalbini commented on Apr 25, 2019

    @emilyalbini
    emilyalbini
    on Apr 25, 2019
    Member

    @rustbot modify labels: T-infra

    I'm not sure we support bootstrapping a beta with itself. @Mark-Simulacrum?

  6. rustbot
    added
    T-infraRelevant to the infrastructure team, which will review and decide on the PR/issue.
    on Apr 25, 2019

  7. mati865 commented on Apr 25, 2019

    @mati865
    mati865
    on Apr 25, 2019
    Member

    Once beta is promoted to stable it will be bootstrapping stable with stable which Linux distributions do a lot so it'd be nice.

  8. Mark-Simulacrum commented on Apr 26, 2019

    @Mark-Simulacrum
    Mark-Simulacrum
    on Apr 26, 2019
    Member

    We try to support distro's efforts to support self-bootstrapping; the PR (#60273) already posted looks fine to me. I'll leave a comment to that effect there as well.

  9. Keruspe
    closed this as completedon Apr 28, 2019
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