[INFO] updating cached repository https://github.com/jsdw/weave
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8ce19f5948d0d16e74858fb9a3659775f644a93b
[INFO] checking jsdw/weave against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsdw%2Fweave" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsdw/weave on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jsdw/weave
[INFO] finished tweaking git repo https://github.com/jsdw/weave
[INFO] tweaked toml for git repo https://github.com/jsdw/weave written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jsdw/weave already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c379eba8f295a8d48130a1ecae94acb2427f8c017dc09cfc3c012bb4dd3ccc47
[INFO] running `"docker" "start" "-a" "c379eba8f295a8d48130a1ecae94acb2427f8c017dc09cfc3c012bb4dd3ccc47"`
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]     Checking tokio v0.2.4
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking hyper v0.13.0
[INFO] [stderr]     Checking hyper-tls v0.4.0
[INFO] [stderr]     Checking weave v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `tokio::fs`
[INFO] [stderr]   --> src/main.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 | use tokio::{ self, fs, net::{ TcpListener, TcpStream }, prelude::* };
[INFO] [stderr]    |                    ^^ no `fs` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `main` in `tokio`
[INFO] [stderr]   --> src/main.rs:31:10
[INFO] [stderr]    |
[INFO] [stderr] 31 | #[tokio::main]
[INFO] [stderr]    |          ^^^^ could not find `main` in `tokio`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `tokio::fs`
[INFO] [stderr]   --> src/main.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 | use tokio::{ self, fs, net::{ TcpListener, TcpStream }, prelude::* };
[INFO] [stderr]    |                    ^^ no `fs` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `main` in `tokio`
[INFO] [stderr]   --> src/main.rs:31:10
[INFO] [stderr]    |
[INFO] [stderr] 31 | #[tokio::main]
[INFO] [stderr]    |          ^^^^ could not find `main` in `tokio`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `copy` found for type `tokio::net::tcp::split::ReadHalf<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:145:46
[INFO] [stderr]     |
[INFO] [stderr] 145 |                     if let Err(e) = src_read.copy(&mut dest_write).await {
[INFO] [stderr]     |                                              ^^^^ method not found in `tokio::net::tcp::split::ReadHalf<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `copy` found for type `tokio::net::tcp::split::ReadHalf<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:151:47
[INFO] [stderr]     |
[INFO] [stderr] 151 |                     if let Err(e) = dest_read.copy(&mut src_write).await {
[INFO] [stderr]     |                                               ^^^^ method not found in `tokio::net::tcp::split::ReadHalf<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `copy` found for type `tokio::net::tcp::split::ReadHalf<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:145:46
[INFO] [stderr]     |
[INFO] [stderr] 145 |                     if let Err(e) = src_read.copy(&mut dest_write).await {
[INFO] [stderr]     |                                              ^^^^ method not found in `tokio::net::tcp::split::ReadHalf<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `copy` found for type `tokio::net::tcp::split::ReadHalf<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:151:47
[INFO] [stderr]     |
[INFO] [stderr] 151 |                     if let Err(e) = dest_read.copy(&mut src_write).await {
[INFO] [stderr]     |                                               ^^^^ method not found in `tokio::net::tcp::split::ReadHalf<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try`
[INFO] [stderr]    --> src/main.rs:251:25
[INFO] [stderr]     |
[INFO] [stderr] 251 |             let https = HttpsConnector::new()?;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `hyper_tls::client::HttpsConnector<hyper::client::connect::http::HttpConnector>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::Try` is not implemented for `hyper_tls::client::HttpsConnector<hyper::client::connect::http::HttpConnector>`
[INFO] [stderr]     = note: required by `std::ops::Try::into_result`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try`
[INFO] [stderr]    --> src/main.rs:251:25
[INFO] [stderr]     |
[INFO] [stderr] 251 |             let https = HttpsConnector::new()?;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^ the `?` operator cannot be applied to type `hyper_tls::client::HttpsConnector<hyper::client::connect::http::HttpConnector>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::Try` is not implemented for `hyper_tls::client::HttpsConnector<hyper::client::connect::http::HttpConnector>`
[INFO] [stderr]     = note: required by `std::ops::Try::into_result`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `weave`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: `main` has invalid return type `impl std::future::Future`
[INFO] [stderr]   --> src/main.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 | async fn main() {
[INFO] [stderr]    |                 ^ `main` can only return types that implement `std::process::Termination`
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using `()`, or a `Result`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0432, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `weave`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c379eba8f295a8d48130a1ecae94acb2427f8c017dc09cfc3c012bb4dd3ccc47"`
[INFO] running `"docker" "rm" "-f" "c379eba8f295a8d48130a1ecae94acb2427f8c017dc09cfc3c012bb4dd3ccc47"`
[INFO] [stdout] c379eba8f295a8d48130a1ecae94acb2427f8c017dc09cfc3c012bb4dd3ccc47