[INFO] fetching crate tokio-rustls-fork-shadow-tls 0.0.8-mod.5...
[INFO] checking tokio-rustls-fork-shadow-tls-0.0.8-mod.5 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate tokio-rustls-fork-shadow-tls 0.0.8-mod.5 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate tokio-rustls-fork-shadow-tls 0.0.8-mod.5 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ddf91d66e7b6ce88cdf70fec10136c8052d3f643010b01d90db42d0b91b2366
[INFO] running `Command { std: "docker" "start" "-a" "9ddf91d66e7b6ce88cdf70fec10136c8052d3f643010b01d90db42d0b91b2366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ddf91d66e7b6ce88cdf70fec10136c8052d3f643010b01d90db42d0b91b2366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ddf91d66e7b6ce88cdf70fec10136c8052d3f643010b01d90db42d0b91b2366", kill_on_drop: false }`
[INFO] [stdout] 9ddf91d66e7b6ce88cdf70fec10136c8052d3f643010b01d90db42d0b91b2366
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 253da51e37b2785d83f7da61e4e4fa51cebedb3efce1f553ea6b9c5b20928efa
[INFO] running `Command { std: "docker" "start" "-a" "253da51e37b2785d83f7da61e4e4fa51cebedb3efce1f553ea6b9c5b20928efa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling ring v0.16.20
[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 parking_lot_core v0.9.7
[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]     Checking bytes v1.4.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki-roots v0.22.6
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking 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-6f17d22bba15001f/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]    = help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()`
[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]    = help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[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 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "253da51e37b2785d83f7da61e4e4fa51cebedb3efce1f553ea6b9c5b20928efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "253da51e37b2785d83f7da61e4e4fa51cebedb3efce1f553ea6b9c5b20928efa", kill_on_drop: false }`
[INFO] [stdout] 253da51e37b2785d83f7da61e4e4fa51cebedb3efce1f553ea6b9c5b20928efa
