[INFO] fetching crate winstacks 0.1.0-alpha2...
[INFO] testing winstacks-0.1.0-alpha2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate winstacks 0.1.0-alpha2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate winstacks 0.1.0-alpha2
[INFO] finished tweaking crates.io crate winstacks 0.1.0-alpha2
[INFO] tweaked toml for crates.io crate winstacks 0.1.0-alpha2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate winstacks 0.1.0-alpha2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate winstacks 0.1.0-alpha2 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae77b80a3f17bc7ca3e5a3a7b6cae6691aac0daf9e2a3ff3244a80dbd080d1d6
[INFO] running `Command { std: "docker" "start" "-a" "ae77b80a3f17bc7ca3e5a3a7b6cae6691aac0daf9e2a3ff3244a80dbd080d1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae77b80a3f17bc7ca3e5a3a7b6cae6691aac0daf9e2a3ff3244a80dbd080d1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae77b80a3f17bc7ca3e5a3a7b6cae6691aac0daf9e2a3ff3244a80dbd080d1d6", kill_on_drop: false }`
[INFO] [stdout] ae77b80a3f17bc7ca3e5a3a7b6cae6691aac0daf9e2a3ff3244a80dbd080d1d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c94d238e163e10d3b0925f94f715d571840aebe6392f0986cb4d6ea24340d706
[INFO] running `Command { std: "docker" "start" "-a" "c94d238e163e10d3b0925f94f715d571840aebe6392f0986cb4d6ea24340d706", kill_on_drop: false }`
[INFO] [stderr]    Compiling windows v0.36.1
[INFO] [stdout] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/windows-0.36.1/src/core/hstring.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |         std::os::windows::ffi::OsStringExt::from_wide(self.as_wide())
[INFO] [stdout]    |                  ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/os/mod.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item is gated here
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/os/mod.rs:120:10
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item is gated here
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::os::unix::prelude::OsStringExt;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `OsStringExt`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 53 -         std::os::windows::ffi::OsStringExt::from_wide(self.as_wide())
[INFO] [stdout] 53 +         OsStringExt::from_wide(self.as_wide())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/windows-0.36.1/src/core/hstring.rs:174:48
[INFO] [stdout]     |
[INFO] [stdout] 174 |         unsafe { Self::from_wide_iter(std::os::windows::ffi::OsStrExt::encode_wide(value), value.len() as u32) }
[INFO] [stdout]     |                                                ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/os/mod.rs:56:5
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item is gated here
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/os/mod.rs:120:10
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item is gated here
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::os::unix::prelude::OsStrExt;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `OsStrExt`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 174 -         unsafe { Self::from_wide_iter(std::os::windows::ffi::OsStrExt::encode_wide(value), value.len() as u32) }
[INFO] [stdout] 174 +         unsafe { Self::from_wide_iter(OsStrExt::encode_wide(value), value.len() as u32) }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/windows-0.36.1/src/core/hstring.rs:288:52
[INFO] [stdout]     |
[INFO] [stdout] 288 |         self.as_wide().iter().copied().eq(std::os::windows::ffi::OsStrExt::encode_wide(other))
[INFO] [stdout]     |                                                    ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/os/mod.rs:56:5
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item is gated here
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/os/mod.rs:120:10
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item is gated here
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::os::unix::prelude::OsStrExt;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `OsStrExt`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 288 -         self.as_wide().iter().copied().eq(std::os::windows::ffi::OsStrExt::encode_wide(other))
[INFO] [stdout] 288 +         self.as_wide().iter().copied().eq(OsStrExt::encode_wide(other))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `windows` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "c94d238e163e10d3b0925f94f715d571840aebe6392f0986cb4d6ea24340d706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c94d238e163e10d3b0925f94f715d571840aebe6392f0986cb4d6ea24340d706", kill_on_drop: false }`
[INFO] [stdout] c94d238e163e10d3b0925f94f715d571840aebe6392f0986cb4d6ea24340d706