[INFO] fetching crate tokio-rustls-fork-shadow-tls 0.0.8-mod.5...
[INFO] testing tokio-rustls-fork-shadow-tls-0.0.8-mod.5 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tokio-rustls-fork-shadow-tls 0.0.8-mod.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate tokio-rustls-fork-shadow-tls 0.0.8-mod.5
[INFO] finished tweaking crates.io crate tokio-rustls-fork-shadow-tls 0.0.8-mod.5
[INFO] tweaked toml for crates.io crate tokio-rustls-fork-shadow-tls 0.0.8-mod.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-rustls-fork-shadow-tls 0.0.8-mod.5 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 tokio-rustls-fork-shadow-tls 0.0.8-mod.5 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] [stderr]     Blocking waiting for file lock on package cache
[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] 830e2cfa4c91c54578df7568a0ce301a1e743d3ed7af50894340d53fde1540df
[INFO] running `Command { std: "docker" "start" "-a" "830e2cfa4c91c54578df7568a0ce301a1e743d3ed7af50894340d53fde1540df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "830e2cfa4c91c54578df7568a0ce301a1e743d3ed7af50894340d53fde1540df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830e2cfa4c91c54578df7568a0ce301a1e743d3ed7af50894340d53fde1540df", kill_on_drop: false }`
[INFO] [stdout] 830e2cfa4c91c54578df7568a0ce301a1e743d3ed7af50894340d53fde1540df
[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] 45cc177183a4111671520ab56085a85f134a6c312d7b57c4ce873332f7051193
[INFO] running `Command { std: "docker" "start" "-a" "45cc177183a4111671520ab56085a85f134a6c312d7b57c4ce873332f7051193", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling rustls-fork-shadow-tls v0.20.8
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling tokio-rustls-fork-shadow-tls v0.0.8-mod.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.23s
[INFO] running `Command { std: "docker" "inspect" "45cc177183a4111671520ab56085a85f134a6c312d7b57c4ce873332f7051193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45cc177183a4111671520ab56085a85f134a6c312d7b57c4ce873332f7051193", kill_on_drop: false }`
[INFO] [stdout] 45cc177183a4111671520ab56085a85f134a6c312d7b57c4ce873332f7051193
[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] e1b57e8b829cd8fed16f9fa29bf40f15bb129e495a6637e557de292662f320f4
[INFO] running `Command { std: "docker" "start" "-a" "e1b57e8b829cd8fed16f9fa29bf40f15bb129e495a6637e557de292662f320f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling webpki-roots v0.22.6
[INFO] [stderr]    Compiling tokio-rustls-fork-shadow-tls v0.0.8-mod.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> examples/connect.rs:39:25
[INFO] [stdout]     |
[INFO] [stdout]  39 |     let n = stream.read(buf).await?;
[INFO] [stdout]     |                    ---- ^^^ expected `&mut [u8]`, found `Vec<u8>`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut [u8]`
[INFO] [stdout]                           found struct `Vec<u8>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.25.0/src/io/util/async_read_ext.rs:168:12
[INFO] [stdout]     |
[INFO] [stdout] 168 |         fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self>
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] help: consider mutably borrowing here
[INFO] [stdout]     |
[INFO] [stdout]  39 |     let n = stream.read(&mut buf).await?;
[INFO] [stdout]     |                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> examples/connect.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[tokio::main]
[INFO] [stdout]    | -------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 35 |     stream.write_all(content).await?;
[INFO] [stdout]    |                                    ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> examples/connect.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[tokio::main]
[INFO] [stdout]    | -------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 39 |     let n = stream.read(buf).await?;
[INFO] [stdout]    |                                   ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-rustls-fork-shadow-tls` (example "connect") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "e1b57e8b829cd8fed16f9fa29bf40f15bb129e495a6637e557de292662f320f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b57e8b829cd8fed16f9fa29bf40f15bb129e495a6637e557de292662f320f4", kill_on_drop: false }`
[INFO] [stdout] e1b57e8b829cd8fed16f9fa29bf40f15bb129e495a6637e557de292662f320f4
