[INFO] updating cached repository https://github.com/Sushisource/hubtain
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 0a70c292bd0c24dfeccf240d2a04377370ae1121
[INFO] checking Sushisource/hubtain against try#8d67a66581ea5498d7ac03b8f88a478d8ec75cf0 for pr-64564
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FSushisource%2Fhubtain" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sushisource/hubtain on toolchain 8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Sushisource/hubtain
[INFO] finished tweaking git repo https://github.com/Sushisource/hubtain
[INFO] tweaked toml for git repo https://github.com/Sushisource/hubtain written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Sushisource/hubtain already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c548f6ddc620d4700689cba2c4a395aa1cc0478aef7749c97eb04caad936fea8
[INFO] running `"docker" "start" "-a" "c548f6ddc620d4700689cba2c4a395aa1cc0478aef7749c97eb04caad936fea8"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.7
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling runtime-attributes v0.3.0-alpha.5
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking serde v1.0.94
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.16
[INFO] [stderr]     Checking juliex v0.3.0-alpha.7
[INFO] [stderr]     Checking futures-timer v0.2.1
[INFO] [stderr]     Checking romio v0.3.0-alpha.9
[INFO] [stderr]     Checking runtime-raw v0.3.0-alpha.4
[INFO] [stderr]     Checking runtime-tokio v0.3.0-alpha.5
[INFO] [stderr]     Checking runtime-native v0.3.0-alpha.5
[INFO] [stderr]     Checking bincode v1.1.4
[INFO] [stderr]     Checking runtime v0.3.0-alpha.6
[INFO] [stderr]     Checking hubtain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0658]: async closures are unstable
[INFO] [stderr]    --> src/main.rs:191:39
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let dl_futures = (1..100).map(async move |_| {
[INFO] [stderr]     |                                       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/62290
[INFO] [stderr]     = help: add `#![feature(async_closure)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: async closures are unstable
[INFO] [stderr]    --> src/main.rs:191:39
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let dl_futures = (1..100).map(async move |_| {
[INFO] [stderr]     |                                       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/62290
[INFO] [stderr]     = help: add `#![feature(async_closure)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/server.rs:90:98
[INFO] [stderr]     |
[INFO] [stderr] 90  |       async fn data_srv(mut tcp_sock: TcpListener, data: T, stay_alive: bool) -> Result<(), Error> {
[INFO] [stderr]     |  __________________________________________________________________________________________________^
[INFO] [stderr] 91  | |         info!(LOG, "TCP listening on {}", tcp_sock.local_addr()?);
[INFO] [stderr] 92  | |         loop {
[INFO] [stderr] 93  | |             let (mut stream, addr) = tcp_sock.accept().await?;
[INFO] [stderr] ...   |
[INFO] [stderr] 104 | |         }
[INFO] [stderr] 105 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/server.rs:49:55
[INFO] [stderr]    |
[INFO] [stderr] 49 |       pub async fn serve(mut self) -> Result<(), Error> {
[INFO] [stderr]    |  _______________________________________________________^
[INFO] [stderr] 50 | |         info!(LOG, "Server name: {}", self.name);
[INFO] [stderr] 51 | |         // TODO: no unwrap
[INFO] [stderr] 52 | |         let tcp_port = self.tcp_sock.as_ref().unwrap().local_addr()?.port();
[INFO] [stderr] ...  |
[INFO] [stderr] 80 | |         }
[INFO] [stderr] 81 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/client.rs:116:72
[INFO] [stderr]     |
[INFO] [stderr] 116 |   async fn progress_counter(progress: Arc<AtomicUsize>, total_size: u64) {
[INFO] [stderr]     |  ________________________________________________________________________^
[INFO] [stderr] 117 | |     let pbar = ProgressBar::new(total_size);
[INFO] [stderr] 118 | |     loop {
[INFO] [stderr] 119 | |         // The delay works best first to avoid printing a 0 for no reason
[INFO] [stderr] ...   |
[INFO] [stderr] 125 | |     }
[INFO] [stderr] 126 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/server.rs:90:98
[INFO] [stderr]     |
[INFO] [stderr] 90  |       async fn data_srv(mut tcp_sock: TcpListener, data: T, stay_alive: bool) -> Result<(), Error> {
[INFO] [stderr]     |  __________________________________________________________________________________________________^
[INFO] [stderr] 91  | |         info!(LOG, "TCP listening on {}", tcp_sock.local_addr()?);
[INFO] [stderr] 92  | |         loop {
[INFO] [stderr] 93  | |             let (mut stream, addr) = tcp_sock.accept().await?;
[INFO] [stderr] ...   |
[INFO] [stderr] 104 | |         }
[INFO] [stderr] 105 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/server.rs:49:55
[INFO] [stderr]    |
[INFO] [stderr] 49 |       pub async fn serve(mut self) -> Result<(), Error> {
[INFO] [stderr]    |  _______________________________________________________^
[INFO] [stderr] 50 | |         info!(LOG, "Server name: {}", self.name);
[INFO] [stderr] 51 | |         // TODO: no unwrap
[INFO] [stderr] 52 | |         let tcp_port = self.tcp_sock.as_ref().unwrap().local_addr()?.port();
[INFO] [stderr] ...  |
[INFO] [stderr] 80 | |         }
[INFO] [stderr] 81 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/client.rs:116:72
[INFO] [stderr]     |
[INFO] [stderr] 116 |   async fn progress_counter(progress: Arc<AtomicUsize>, total_size: u64) {
[INFO] [stderr]     |  ________________________________________________________________________^
[INFO] [stderr] 117 | |     let pbar = ProgressBar::new(total_size);
[INFO] [stderr] 118 | |     loop {
[INFO] [stderr] 119 | |         // The delay works best first to avoid printing a 0 for no reason
[INFO] [stderr] ...   |
[INFO] [stderr] 125 | |     }
[INFO] [stderr] 126 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `hubtain`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `hubtain`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c548f6ddc620d4700689cba2c4a395aa1cc0478aef7749c97eb04caad936fea8"`
[INFO] running `"docker" "rm" "-f" "c548f6ddc620d4700689cba2c4a395aa1cc0478aef7749c97eb04caad936fea8"`
[INFO] [stdout] c548f6ddc620d4700689cba2c4a395aa1cc0478aef7749c97eb04caad936fea8