[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] checking littlebenlittle/tungstentite-rs-example against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittlebenlittle%2Ftungstentite-rs-example" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/littlebenlittle/tungstentite-rs-example on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-51/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded async-tungstenite v0.12.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.12.0
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[INFO] running `Command { std: "docker" "start" "-a" "cf9055032a8324b34264bc9c95606e5019167746b46e07759dded86410e3b594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf9055032a8324b34264bc9c95606e5019167746b46e07759dded86410e3b594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf9055032a8324b34264bc9c95606e5019167746b46e07759dded86410e3b594", kill_on_drop: false }`
[INFO] [stdout] cf9055032a8324b34264bc9c95606e5019167746b46e07759dded86410e3b594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   libc v0.2.82: align
[INFO] [stderr]   log v0.4.13: std
[INFO] [stderr]   memchr v2.3.4: use_std
[INFO] [stderr]   tokio v1.1.0: winapi
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[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking itoa v0.4.7
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[INFO] [stderr]     Checking example v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating examples/echo-server.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[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] note: required by a bound in `accept_async`
[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] note: required by a bound in `accept_async`
[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` due to 4 previous errors; 2 warnings emitted
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "4ee6f4623c736c504bd4f6dd1fbeb5b77f06a103bc12774e14515a9e1956b8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee6f4623c736c504bd4f6dd1fbeb5b77f06a103bc12774e14515a9e1956b8d1", kill_on_drop: false }`
[INFO] [stdout] 4ee6f4623c736c504bd4f6dd1fbeb5b77f06a103bc12774e14515a9e1956b8d1