[INFO] cloning repository https://github.com/SamuelTanielM/chat-async-tut10
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SamuelTanielM/chat-async-tut10" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamuelTanielM%2Fchat-async-tut10", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamuelTanielM%2Fchat-async-tut10'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 749faf26aa72ec76c9d2ee92b097474b864bfec7
[INFO] checking SamuelTanielM/chat-async-tut10 against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamuelTanielM%2Fchat-async-tut10" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/SamuelTanielM/chat-async-tut10 on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SamuelTanielM/chat-async-tut10
[INFO] finished tweaking git repo https://github.com/SamuelTanielM/chat-async-tut10
[INFO] tweaked toml for git repo https://github.com/SamuelTanielM/chat-async-tut10 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SamuelTanielM/chat-async-tut10 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76c73ce9a8ba7792d6bac73593cc0f6059f8311832ce7f9f4346a39aaf47b7e2
[INFO] running `Command { std: "docker" "start" "-a" "76c73ce9a8ba7792d6bac73593cc0f6059f8311832ce7f9f4346a39aaf47b7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76c73ce9a8ba7792d6bac73593cc0f6059f8311832ce7f9f4346a39aaf47b7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c73ce9a8ba7792d6bac73593cc0f6059f8311832ce7f9f4346a39aaf47b7e2", kill_on_drop: false }`
[INFO] [stdout] 76c73ce9a8ba7792d6bac73593cc0f6059f8311832ce7f9f4346a39aaf47b7e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dff4718b7882331b12e7995c241cbf7f78a3e6b8867a8ac351fb69ad14191f7
[INFO] running `Command { std: "docker" "start" "-a" "1dff4718b7882331b12e7995c241cbf7f78a3e6b8867a8ac351fb69ad14191f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-websockets v0.8.2
[INFO] [stderr]     Checking chat-async v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this conversion is useless `tokio_websockets::Error` to `tokio_websockets::Error`
[INFO] [stdout]   --> src/bin/client.rs:27:50
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     Some(Err(err)) => return Err(err.into()),
[INFO] [stdout]    |                                                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chat-async` (bin "client") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this conversion is useless `String` to `String`
[INFO] [stdout]   --> src/bin/server.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 | ...                   bcast_tx.send(combined.into())?;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `tokio_websockets::Error` to `tokio_websockets::Error`
[INFO] [stdout]   --> src/bin/client.rs:27:50
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     Some(Err(err)) => return Err(err.into()),
[INFO] [stdout]    |                                                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chat-async` (bin "server" test) due to 1 previous error
[INFO] [stderr] error: could not compile `chat-async` (bin "client" test) due to 1 previous error
[INFO] [stdout] error: this conversion is useless `String` to `String`
[INFO] [stdout]   --> src/bin/server.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 | ...                   bcast_tx.send(combined.into())?;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chat-async` (bin "server") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1dff4718b7882331b12e7995c241cbf7f78a3e6b8867a8ac351fb69ad14191f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dff4718b7882331b12e7995c241cbf7f78a3e6b8867a8ac351fb69ad14191f7", kill_on_drop: false }`
[INFO] [stdout] 1dff4718b7882331b12e7995c241cbf7f78a3e6b8867a8ac351fb69ad14191f7