[INFO] cloning repository https://github.com/dclstn/twitch-websocket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dclstn/twitch-websocket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdclstn%2Ftwitch-websocket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdclstn%2Ftwitch-websocket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 067a831f7d51975a8aa0a01398022f2000ccb5fd
[INFO] checking dclstn/twitch-websocket against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdclstn%2Ftwitch-websocket" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dclstn/twitch-websocket on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dclstn/twitch-websocket
[INFO] finished tweaking git repo https://github.com/dclstn/twitch-websocket
[INFO] tweaked toml for git repo https://github.com/dclstn/twitch-websocket written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dclstn/twitch-websocket 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded httparse v1.7.0
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded libc v0.2.124
[INFO] [stderr]   Downloaded tungstenite v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c18cb760a0acc9b71dcedca9c87290e9484b09744364abaf18eac1538b83571
[INFO] running `Command { std: "docker" "start" "-a" "3c18cb760a0acc9b71dcedca9c87290e9484b09744364abaf18eac1538b83571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c18cb760a0acc9b71dcedca9c87290e9484b09744364abaf18eac1538b83571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c18cb760a0acc9b71dcedca9c87290e9484b09744364abaf18eac1538b83571", kill_on_drop: false }`
[INFO] [stdout] 3c18cb760a0acc9b71dcedca9c87290e9484b09744364abaf18eac1538b83571
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08ccdb8672478745b5fbd52e7834519fd9b2dff05431ff642d66cc4f5544a1e4
[INFO] running `Command { std: "docker" "start" "-a" "08ccdb8672478745b5fbd52e7834519fd9b2dff05431ff642d66cc4f5544a1e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tungstenite v0.16.0
[INFO] [stderr]     Checking ws_twitch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `PART` and `PRIVMSG` are never constructed
[INFO] [stdout]   --> src/twitch.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum Command {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |   PART(String),
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 18 |   PRIVMSG(String),
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PART` and `PRIVMSG` are never constructed
[INFO] [stdout]   --> src/twitch.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum Command {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 17 |   PART(String),
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 18 |   PRIVMSG(String),
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.84s
[INFO] running `Command { std: "docker" "inspect" "08ccdb8672478745b5fbd52e7834519fd9b2dff05431ff642d66cc4f5544a1e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ccdb8672478745b5fbd52e7834519fd9b2dff05431ff642d66cc4f5544a1e4", kill_on_drop: false }`
[INFO] [stdout] 08ccdb8672478745b5fbd52e7834519fd9b2dff05431ff642d66cc4f5544a1e4