[INFO] cloning repository https://github.com/littlebenlittle/tungstentite-rs-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/littlebenlittle/tungstentite-rs-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlebenlittle%2Ftungstentite-rs-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlebenlittle%2Ftungstentite-rs-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c66504a4112dfba547ec032be9c25d2d372003c8
[INFO] testing littlebenlittle/tungstentite-rs-example against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlebenlittle%2Ftungstentite-rs-example" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/littlebenlittle/tungstentite-rs-example on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/littlebenlittle/tungstentite-rs-example
[INFO] finished tweaking git repo https://github.com/littlebenlittle/tungstentite-rs-example
[INFO] tweaked toml for git repo https://github.com/littlebenlittle/tungstentite-rs-example written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/littlebenlittle/tungstentite-rs-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 30e9b838a2c6788c6cfcf8c2d31f6561784a45d4e7f07f9b22b7866d79683293
[INFO] running `Command { std: "docker" "start" "-a" "30e9b838a2c6788c6cfcf8c2d31f6561784a45d4e7f07f9b22b7866d79683293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30e9b838a2c6788c6cfcf8c2d31f6561784a45d4e7f07f9b22b7866d79683293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e9b838a2c6788c6cfcf8c2d31f6561784a45d4e7f07f9b22b7866d79683293", kill_on_drop: false }`
[INFO] [stdout] 30e9b838a2c6788c6cfcf8c2d31f6561784a45d4e7f07f9b22b7866d79683293
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3dbf92991f34884a7a8048497e4a946bd66af0bd9c0224b311f90e5d9ea0e249
[INFO] running `Command { std: "docker" "start" "-a" "3dbf92991f34884a7a8048497e4a946bd66af0bd9c0224b311f90e5d9ea0e249", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.1.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling rand v0.7.3
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[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling sha-1 v0.9.2
[INFO] [stderr]    Compiling tungstenite v0.12.0
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling async-tungstenite v0.12.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling pin-project v1.0.4
[INFO] [stderr]    Compiling tokio-tungstenite v0.12.0
[INFO] [stderr]    Compiling example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.36s
[INFO] running `Command { std: "docker" "inspect" "3dbf92991f34884a7a8048497e4a946bd66af0bd9c0224b311f90e5d9ea0e249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dbf92991f34884a7a8048497e4a946bd66af0bd9c0224b311f90e5d9ea0e249", kill_on_drop: false }`
[INFO] [stdout] 3dbf92991f34884a7a8048497e4a946bd66af0bd9c0224b311f90e5d9ea0e249
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9ef60e47340dd77032f22317504fcd23fc5d475e36e543a11de3aa54259e6a8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b9ef60e47340dd77032f22317504fcd23fc5d475e36e543a11de3aa54259e6a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling thread_local v1.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> examples/echo-server.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{env, io::Error};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `tokio::net::TcpStream: tokio::io::async_read::AsyncRead` is not satisfied
[INFO] [stdout]    --> examples/echo-server.rs:34:53
[INFO] [stdout]     |
[INFO] [stdout] 34  |     let ws_stream = tokio_tungstenite::accept_async(stream)
[INFO] [stdout]     |                                                     ^^^^^^ the trait `tokio::io::async_read::AsyncRead` is not implemented for `tokio::net::TcpStream`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-tungstenite-0.12.0/src/lib.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     S: AsyncRead + AsyncWrite + Unpin,
[INFO] [stdout]     |        --------- required by this bound in `accept_async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `tokio::net::TcpStream: tokio::io::async_write::AsyncWrite` is not satisfied
[INFO] [stdout]    --> examples/echo-server.rs:34:53
[INFO] [stdout]     |
[INFO] [stdout] 34  |     let ws_stream = tokio_tungstenite::accept_async(stream)
[INFO] [stdout]     |                                                     ^^^^^^ the trait `tokio::io::async_write::AsyncWrite` is not implemented for `tokio::net::TcpStream`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-tungstenite-0.12.0/src/lib.rs:126:20
[INFO] [stdout]     |
[INFO] [stdout] 126 |     S: AsyncRead + AsyncWrite + Unpin,
[INFO] [stdout]     |                    ---------- required by this bound in `accept_async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `split` exists for struct `WebSocketStream<tokio::net::TcpStream>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> examples/echo-server.rs:40:35
[INFO] [stdout]     |
[INFO] [stdout] 40  |     let (write, read) = ws_stream.split();
[INFO] [stdout]     |                                   ^^^^^ method cannot be called on `WebSocketStream<tokio::net::TcpStream>` due to unsatisfied trait bounds
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-tungstenite-0.12.0/src/lib.rs:189:1
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub struct WebSocketStream<S> {
[INFO] [stdout]     | -----------------------------
[INFO] [stdout]     | |
[INFO] [stdout]     | doesn't satisfy `WebSocketStream<tokio::net::TcpStream>: StreamExt`
[INFO] [stdout]     | doesn't satisfy `_: futures_util::stream::Stream`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `WebSocketStream<tokio::net::TcpStream>: futures_util::stream::Stream`
[INFO] [stdout]             which is required by `WebSocketStream<tokio::net::TcpStream>: StreamExt`
[INFO] [stdout]             `&WebSocketStream<tokio::net::TcpStream>: futures_util::stream::Stream`
[INFO] [stdout]             which is required by `&WebSocketStream<tokio::net::TcpStream>: StreamExt`
[INFO] [stdout]             `&mut WebSocketStream<tokio::net::TcpStream>: futures_util::stream::Stream`
[INFO] [stdout]             which is required by `&mut WebSocketStream<tokio::net::TcpStream>: StreamExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures_util::StreamExt`
[INFO] [stdout]  --> examples/echo-server.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_util::StreamExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `example`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b9ef60e47340dd77032f22317504fcd23fc5d475e36e543a11de3aa54259e6a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ef60e47340dd77032f22317504fcd23fc5d475e36e543a11de3aa54259e6a8", kill_on_drop: false }`
[INFO] [stdout] b9ef60e47340dd77032f22317504fcd23fc5d475e36e543a11de3aa54259e6a8