[INFO] fetching crate winix 1.1.3-winix.1...
[INFO] testing winix-1.1.3-winix.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate winix 1.1.3-winix.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate winix 1.1.3-winix.1
[INFO] finished tweaking crates.io crate winix 1.1.3-winix.1
[INFO] tweaked toml for crates.io crate winix 1.1.3-winix.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate winix 1.1.3-winix.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate winix 1.1.3-winix.1 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 615a62a3a197bb535545983c81878696b110867b61255b27aff2eb0ce800d6eb
[INFO] running `Command { std: "docker" "start" "-a" "615a62a3a197bb535545983c81878696b110867b61255b27aff2eb0ce800d6eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "615a62a3a197bb535545983c81878696b110867b61255b27aff2eb0ce800d6eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615a62a3a197bb535545983c81878696b110867b61255b27aff2eb0ce800d6eb", kill_on_drop: false }`
[INFO] [stdout] 615a62a3a197bb535545983c81878696b110867b61255b27aff2eb0ce800d6eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2e66834749ba92f8895ccd2c05f93124bcbfed3bf387901399bad7893ec5220
[INFO] running `Command { std: "docker" "start" "-a" "e2e66834749ba92f8895ccd2c05f93124bcbfed3bf387901399bad7893ec5220", kill_on_drop: false }`
[INFO] [stderr] warning: winix@1.1.3-winix.1: ignoring 'hints.mostly-unused', pass `-Zprofile-hint-mostly-unused` to enable it
[INFO] [stderr] warning: winix@1.1.3-winix.1: ignoring 'hints.mostly-unused', pass `-Zprofile-hint-mostly-unused` to enable it
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.115
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling winix-build-specs v0.1.0-alpha.1
[INFO] [stderr]    Compiling winix-ffi v0.1.1
[INFO] [stderr]    Compiling winix v1.1.3-winix.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.45s
[INFO] running `Command { std: "docker" "inspect" "e2e66834749ba92f8895ccd2c05f93124bcbfed3bf387901399bad7893ec5220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e66834749ba92f8895ccd2c05f93124bcbfed3bf387901399bad7893ec5220", kill_on_drop: false }`
[INFO] [stdout] e2e66834749ba92f8895ccd2c05f93124bcbfed3bf387901399bad7893ec5220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 813ad8646fd36101353ce009c1c61d936d933b5370511b924653b1929d305417
[INFO] running `Command { std: "docker" "start" "-a" "813ad8646fd36101353ce009c1c61d936d933b5370511b924653b1929d305417", kill_on_drop: false }`
[INFO] [stderr] warning: winix@1.1.3-winix.1: ignoring 'hints.mostly-unused', pass `-Zprofile-hint-mostly-unused` to enable it
[INFO] [stderr] warning: winix@1.1.3-winix.1: ignoring 'hints.mostly-unused', pass `-Zprofile-hint-mostly-unused` to enable it
[INFO] [stderr] warning: winix@1.1.3-winix.1: ignoring 'hints.mostly-unused', pass `-Zprofile-hint-mostly-unused` to enable it
[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.115
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tempfile v3.25.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]    Compiling serial_test v2.0.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling winix-build-specs v0.1.0-alpha.1
[INFO] [stderr]    Compiling winix-ffi v0.1.1
[INFO] [stderr]    Compiling winix v1.1.3-winix.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `std` in this scope
[INFO] [stdout]    --> src/buffer.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |         use std::io::{Seek, SeekFrom};
[INFO] [stdout]     |             ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `std` in this scope
[INFO] [stdout]    --> src/buffer.rs:400:13
[INFO] [stdout]     |
[INFO] [stdout] 400 |         use std::io::{Seek, SeekFrom};
[INFO] [stdout]     |             ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `std` in this scope
[INFO] [stdout]    --> src/buffer.rs:432:13
[INFO] [stdout]     |
[INFO] [stdout] 432 |         use std::io::{Seek, SeekFrom};
[INFO] [stdout]     |             ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `alloc` in this scope
[INFO] [stdout]   --> src/cstr.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         use alloc::borrow::ToOwned as _;
[INFO] [stdout]    |             ^^^^^ use of unresolved module or unlinked crate `alloc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `extern crate alloc` to use the `alloc` crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]    --> src/buffer.rs:361:23
[INFO] [stdout]     |
[INFO] [stdout] 361 |         let mut buf = vec![
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]    --> src/buffer.rs:339:23
[INFO] [stdout]     |
[INFO] [stdout] 339 |         let mut buf = vec![0_u8; 3];
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `std` in this scope
[INFO] [stdout]    --> src/buffer.rs:337:21
[INFO] [stdout]     |
[INFO] [stdout] 337 |         let input = std::fs::File::open("src/buffer.rs").unwrap();
[INFO] [stdout]     |                     ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `std` in this scope
[INFO] [stdout]    --> src/buffer.rs:378:25
[INFO] [stdout]     |
[INFO] [stdout] 378 |         let mut input = std::fs::File::open("src/buffer.rs").unwrap();
[INFO] [stdout]     |                         ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `std` in this scope
[INFO] [stdout]    --> src/buffer.rs:404:25
[INFO] [stdout]     |
[INFO] [stdout] 404 |         let mut input = std::fs::File::open("src/buffer.rs").unwrap();
[INFO] [stdout]     |                         ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `std` in this scope
[INFO] [stdout]    --> src/buffer.rs:436:25
[INFO] [stdout]     |
[INFO] [stdout] 436 |         let mut input = std::fs::File::open("src/buffer.rs").unwrap();
[INFO] [stdout]     |                         ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spare_capacity` in this scope
[INFO] [stdout]    --> src/buffer.rs:341:38
[INFO] [stdout]     |
[INFO] [stdout] 341 |         let _x: usize = read(&input, spare_capacity(&mut buf)).unwrap();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/buffer.rs:438:23
[INFO] [stdout]     |
[INFO] [stdout] 438 |         let mut buf = Vec::with_capacity(64);
[INFO] [stdout]     |                       ^^^ use of undeclared type `Vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spare_capacity` in this scope
[INFO] [stdout]    --> src/buffer.rs:439:34
[INFO] [stdout]     |
[INFO] [stdout] 439 |         let nread = read(&input, spare_capacity(&mut buf)).unwrap();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spare_capacity` in this scope
[INFO] [stdout]    --> src/buffer.rs:448:34
[INFO] [stdout]     |
[INFO] [stdout] 448 |         let nread = read(&input, spare_capacity(&mut buf)).unwrap();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spare_capacity` in this scope
[INFO] [stdout]    --> src/buffer.rs:453:34
[INFO] [stdout]     |
[INFO] [stdout] 453 |         let nread = read(&input, spare_capacity(&mut buf)).unwrap();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_owned` found for reference `&winix_ffi::CStr` in the current scope
[INFO] [stdout]   --> src/cstr.rs:72:30
[INFO] [stdout]    |
[INFO] [stdout] 72 |         assert_eq!(cstr!("").to_owned(), CString::new("").unwrap());
[INFO] [stdout]    |                              ^^^^^^^^ method not found in `&winix_ffi::CStr`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `ToOwned` which provides `to_owned` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 64 +     use smallvec::alloc::borrow::ToOwned;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_owned` found for reference `&winix_ffi::CStr` in the current scope
[INFO] [stdout]   --> src/cstr.rs:74:35
[INFO] [stdout]    |
[INFO] [stdout] 74 |         assert_eq!(cstr!("hello").to_owned(), CString::new("hello").unwrap());
[INFO] [stdout]    |                                   ^^^^^^^^ method not found in `&winix_ffi::CStr`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `ToOwned` which provides `to_owned` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 64 +     use smallvec::alloc::borrow::ToOwned;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `winix` (lib test) due to 17 previous errors
[INFO] running `Command { std: "docker" "inspect" "813ad8646fd36101353ce009c1c61d936d933b5370511b924653b1929d305417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "813ad8646fd36101353ce009c1c61d936d933b5370511b924653b1929d305417", kill_on_drop: false }`
[INFO] [stdout] 813ad8646fd36101353ce009c1c61d936d933b5370511b924653b1929d305417
