[INFO] fetching crate copy-double-buffered 0.1.0...
[INFO] testing copy-double-buffered-0.1.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate copy-double-buffered 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate copy-double-buffered 0.1.0
[INFO] finished tweaking crates.io crate copy-double-buffered 0.1.0
[INFO] tweaked toml for crates.io crate copy-double-buffered 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate copy-double-buffered 0.1.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate copy-double-buffered 0.1.0 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c665cdea31724af8aead98470828f2c7aa2c74f2550c550ae1271f3aece5e27c
[INFO] running `Command { std: "docker" "start" "-a" "c665cdea31724af8aead98470828f2c7aa2c74f2550c550ae1271f3aece5e27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c665cdea31724af8aead98470828f2c7aa2c74f2550c550ae1271f3aece5e27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c665cdea31724af8aead98470828f2c7aa2c74f2550c550ae1271f3aece5e27c", kill_on_drop: false }`
[INFO] [stdout] c665cdea31724af8aead98470828f2c7aa2c74f2550c550ae1271f3aece5e27c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c49d8bb025d2d8178b74259fb23d2aeb79afa29a9b5f8b441929e642e5d5daf3
[INFO] running `Command { std: "docker" "start" "-a" "c49d8bb025d2d8178b74259fb23d2aeb79afa29a9b5f8b441929e642e5d5daf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-io v0.7.1
[INFO] [stderr]    Compiling embassy-futures v0.1.2
[INFO] [stderr]    Compiling embedded-io-async v0.7.0
[INFO] [stderr]    Compiling copy-double-buffered v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "c49d8bb025d2d8178b74259fb23d2aeb79afa29a9b5f8b441929e642e5d5daf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49d8bb025d2d8178b74259fb23d2aeb79afa29a9b5f8b441929e642e5d5daf3", kill_on_drop: false }`
[INFO] [stdout] c49d8bb025d2d8178b74259fb23d2aeb79afa29a9b5f8b441929e642e5d5daf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2de034c8d3aa95ce090324e701b2b6bf6cada3191c80cd440cb2b3e30c54844b
[INFO] running `Command { std: "docker" "start" "-a" "2de034c8d3aa95ce090324e701b2b6bf6cada3191c80cd440cb2b3e30c54844b", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-io v0.7.1
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling embedded-io-async v0.7.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling copy-double-buffered v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `Command { std: "docker" "inspect" "2de034c8d3aa95ce090324e701b2b6bf6cada3191c80cd440cb2b3e30c54844b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de034c8d3aa95ce090324e701b2b6bf6cada3191c80cd440cb2b3e30c54844b", kill_on_drop: false }`
[INFO] [stdout] 2de034c8d3aa95ce090324e701b2b6bf6cada3191c80cd440cb2b3e30c54844b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 818f7b77882c808f348a74b34027872d3d785e9d3fb471dd5b47f0964bdab4f9
[INFO] running `Command { std: "docker" "start" "-a" "818f7b77882c808f348a74b34027872d3d785e9d3fb471dd5b47f0964bdab4f9", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/lib.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `copy-double-buffered` (lib test) generated 1 warning (run `cargo fix --lib -p copy-double-buffered --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/copy_double_buffered-160bf363b1745f0e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::copy_delayed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 58.35s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests copy_double_buffered
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - eia::copy_double_buffered (line 64) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - eia::copy_double_buffered (line 64) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `eia`
[INFO] [stdout]   --> src/lib.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | eia::copy_double_buffered(&src[..], &mut dst, &mut buf_a[..], &mut buf_b[..])
[INFO] [stdout]    | ^^^ use of unresolved module or unlinked crate `eia`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `eia`, use `cargo add eia` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout] 63 + use copy_double_buffered::eia;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:74:6
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_64_0() {
[INFO] [stdout]    |                                      ---------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 74 |     .await
[INFO] [stdout]    |      ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - eia::copy_double_buffered (line 64)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.13s; merged doctests compilation took 0.06s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "818f7b77882c808f348a74b34027872d3d785e9d3fb471dd5b47f0964bdab4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "818f7b77882c808f348a74b34027872d3d785e9d3fb471dd5b47f0964bdab4f9", kill_on_drop: false }`
[INFO] [stdout] 818f7b77882c808f348a74b34027872d3d785e9d3fb471dd5b47f0964bdab4f9
