[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-2025-09-21 for beta-1.91-3 [INFO] extracting crate tokio-rustls-fork-shadow-tls 0.0.8-mod.5 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tokio-rustls-fork-shadow-tls 0.0.8-mod.5 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 534bfd73558e31c0679fac984057fd8c03dfda25e32909cb8c6855e39718a6ea [INFO] running `Command { std: "docker" "start" "-a" "534bfd73558e31c0679fac984057fd8c03dfda25e32909cb8c6855e39718a6ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "534bfd73558e31c0679fac984057fd8c03dfda25e32909cb8c6855e39718a6ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "534bfd73558e31c0679fac984057fd8c03dfda25e32909cb8c6855e39718a6ea", kill_on_drop: false }` [INFO] [stdout] 534bfd73558e31c0679fac984057fd8c03dfda25e32909cb8c6855e39718a6ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bc6334a9bb7d3ed26c04834ce63f7e262000d14190cf3a0e28292c06e920f8b5 [INFO] running `Command { std: "docker" "start" "-a" "bc6334a9bb7d3ed26c04834ce63f7e262000d14190cf3a0e28292c06e920f8b5", 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 quote v1.0.23 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling parking_lot_core v0.9.7 [INFO] [stderr] Compiling once_cell v1.17.1 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling lock_api v0.4.9 [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 ring v0.16.20 [INFO] [stderr] Compiling num_cpus v1.15.0 [INFO] [stderr] Compiling mio v0.8.6 [INFO] [stderr] Compiling socket2 v0.4.7 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling sct v0.7.0 [INFO] [stderr] Compiling webpki v0.22.0 [INFO] [stderr] Compiling tokio-macros v1.8.2 [INFO] [stderr] Compiling thiserror-impl v1.0.38 [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 16.41s [INFO] running `Command { std: "docker" "inspect" "bc6334a9bb7d3ed26c04834ce63f7e262000d14190cf3a0e28292c06e920f8b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc6334a9bb7d3ed26c04834ce63f7e262000d14190cf3a0e28292c06e920f8b5", kill_on_drop: false }` [INFO] [stdout] bc6334a9bb7d3ed26c04834ce63f7e262000d14190cf3a0e28292c06e920f8b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca7a8bef6b1fcae91de82d85f8db77914212b6811eb4d2df5186839cd25001df [INFO] running `Command { std: "docker" "start" "-a" "ca7a8bef6b1fcae91de82d85f8db77914212b6811eb4d2df5186839cd25001df", 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` [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` [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ca7a8bef6b1fcae91de82d85f8db77914212b6811eb4d2df5186839cd25001df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca7a8bef6b1fcae91de82d85f8db77914212b6811eb4d2df5186839cd25001df", kill_on_drop: false }` [INFO] [stdout] ca7a8bef6b1fcae91de82d85f8db77914212b6811eb4d2df5186839cd25001df