[INFO] cloning repository https://github.com/robertkottelin/rust_chat_server_websockets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robertkottelin/rust_chat_server_websockets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertkottelin%2Frust_chat_server_websockets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertkottelin%2Frust_chat_server_websockets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e25685cd2425c0f90a6ce391234fc6c59dec08d
[INFO] checking robertkottelin/rust_chat_server_websockets against try#50d7e48beb74b48bd17c3749bfb73843c9ae0166 for pr-151102
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertkottelin%2Frust_chat_server_websockets" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/robertkottelin/rust_chat_server_websockets
[INFO] finished tweaking git repo https://github.com/robertkottelin/rust_chat_server_websockets
[INFO] tweaked toml for git repo https://github.com/robertkottelin/rust_chat_server_websockets written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/robertkottelin/rust_chat_server_websockets on toolchain 50d7e48beb74b48bd17c3749bfb73843c9ae0166
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/robertkottelin/rust_chat_server_websockets 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" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking robertkottelin/rust_chat_server_websockets against try#50d7e48beb74b48bd17c3749bfb73843c9ae0166 for pr-151102
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertkottelin%2Frust_chat_server_websockets" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/robertkottelin/rust_chat_server_websockets
[INFO] finished tweaking git repo https://github.com/robertkottelin/rust_chat_server_websockets
[INFO] tweaked toml for git repo https://github.com/robertkottelin/rust_chat_server_websockets written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/robertkottelin/rust_chat_server_websockets on toolchain 50d7e48beb74b48bd17c3749bfb73843c9ae0166
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/robertkottelin/rust_chat_server_websockets 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" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-test v0.4.3
[INFO] [stderr]   Downloaded tokio-tungstenite v0.15.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.53
[INFO] [stderr]   Downloaded thiserror v1.0.53
[INFO] [stderr]   Downloaded tungstenite v0.14.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3718e0aefd0d6e246fa4c828cf2b6a5f7a6fb7b9f44a2f84ec762dd8a88b047
[INFO] running `Command { std: "docker" "start" "-a" "c3718e0aefd0d6e246fa4c828cf2b6a5f7a6fb7b9f44a2f84ec762dd8a88b047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3718e0aefd0d6e246fa4c828cf2b6a5f7a6fb7b9f44a2f84ec762dd8a88b047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3718e0aefd0d6e246fa4c828cf2b6a5f7a6fb7b9f44a2f84ec762dd8a88b047", kill_on_drop: false }`
[INFO] [stdout] c3718e0aefd0d6e246fa4c828cf2b6a5f7a6fb7b9f44a2f84ec762dd8a88b047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10c396bfea772d3e35ec99e8f32d484904f4d6649cf1e7e7308c331e6cfc68db
[INFO] running `Command { std: "docker" "start" "-a" "10c396bfea772d3e35ec99e8f32d484904f4d6649cf1e7e7308c331e6cfc68db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.72
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]    Compiling thiserror v1.0.53
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking httparse v1.8.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.43
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.53
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-tungstenite v0.15.0
[INFO] [stderr]     Checking tokio-test v0.4.3
[INFO] [stderr]     Checking rust_chat_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:161:14
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let (mut client2_write, mut client2_read) = setup_websocket_client(&ws_addr).await;
[INFO] [stdout]     |              ----^^^^^^^^^^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client2_write`
[INFO] [stdout]    --> src/main.rs:161:14
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let (mut client2_write, mut client2_read) = setup_websocket_client(&ws_addr).await;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client2_write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.64s
[INFO] running `Command { std: "docker" "inspect" "10c396bfea772d3e35ec99e8f32d484904f4d6649cf1e7e7308c331e6cfc68db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c396bfea772d3e35ec99e8f32d484904f4d6649cf1e7e7308c331e6cfc68db", kill_on_drop: false }`
[INFO] [stdout] 10c396bfea772d3e35ec99e8f32d484904f4d6649cf1e7e7308c331e6cfc68db
