[INFO] cloning repository https://github.com/grokpronoia/warp-websocket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grokpronoia/warp-websocket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrokpronoia%2Fwarp-websocket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrokpronoia%2Fwarp-websocket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2545f0ee9d1ac8ec6ff55db192e25c54e487781
[INFO] checking grokpronoia/warp-websocket against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrokpronoia%2Fwarp-websocket" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grokpronoia/warp-websocket on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grokpronoia/warp-websocket
[INFO] finished tweaking git repo https://github.com/grokpronoia/warp-websocket
[INFO] tweaked toml for git repo https://github.com/grokpronoia/warp-websocket written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/grokpronoia/warp-websocket already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crate v0.0.2
[INFO] [stderr]   Downloaded tungstenite v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] e41411d0b9078c45aacca17eda766ea4daf78ca0967d736d38fbd32ca02e6d0f
[INFO] running `Command { std: "docker" "start" "-a" "e41411d0b9078c45aacca17eda766ea4daf78ca0967d736d38fbd32ca02e6d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e41411d0b9078c45aacca17eda766ea4daf78ca0967d736d38fbd32ca02e6d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41411d0b9078c45aacca17eda766ea4daf78ca0967d736d38fbd32ca02e6d0f", kill_on_drop: false }`
[INFO] [stdout] e41411d0b9078c45aacca17eda766ea4daf78ca0967d736d38fbd32ca02e6d0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--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] e60c648ae6898954dae8bd88c9e9b4488f5117082ddbbb689c499f6208862fdb
[INFO] running `Command { std: "docker" "start" "-a" "e60c648ae6898954dae8bd88c9e9b4488f5117082ddbbb689c499f6208862fdb", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking crate v0.0.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking sha-1 v0.9.7
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking warp v0.3.1
[INFO] [stderr]     Checking warp-websocket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Message`
[INFO] [stdout]  --> src/ws.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use warp::ws::{Message, WebSocket};
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Message`
[INFO] [stdout]  --> src/ws.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use warp::ws::{Message, WebSocket};
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/ws.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let msg = match result {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/ws.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let msg = match result {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "e60c648ae6898954dae8bd88c9e9b4488f5117082ddbbb689c499f6208862fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60c648ae6898954dae8bd88c9e9b4488f5117082ddbbb689c499f6208862fdb", kill_on_drop: false }`
[INFO] [stdout] e60c648ae6898954dae8bd88c9e9b4488f5117082ddbbb689c499f6208862fdb