[INFO] cloning repository https://github.com/shun-shobon/websocket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shun-shobon/websocket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshun-shobon%2Fwebsocket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshun-shobon%2Fwebsocket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2995749123366d6153d32968e94fbf67c395bec8
[INFO] checking shun-shobon/websocket against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshun-shobon%2Fwebsocket" "/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/shun-shobon/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/shun-shobon/websocket
[INFO] finished tweaking git repo https://github.com/shun-shobon/websocket
[INFO] tweaked toml for git repo https://github.com/shun-shobon/websocket written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shun-shobon/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 v1.4.0
[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] 7395ff0abe1779ba5ff881e0ddf34cb21e32a26b4b8251c3318339ac68338cc8
[INFO] running `Command { std: "docker" "start" "-a" "7395ff0abe1779ba5ff881e0ddf34cb21e32a26b4b8251c3318339ac68338cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7395ff0abe1779ba5ff881e0ddf34cb21e32a26b4b8251c3318339ac68338cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7395ff0abe1779ba5ff881e0ddf34cb21e32a26b4b8251c3318339ac68338cc8", kill_on_drop: false }`
[INFO] [stdout] 7395ff0abe1779ba5ff881e0ddf34cb21e32a26b4b8251c3318339ac68338cc8
[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] e7bee72ee14b2ad20c20d796a0975d5b363b62f85dd0e39b33b8c2a8bba24cce
[INFO] running `Command { std: "docker" "start" "-a" "e7bee72ee14b2ad20c20d796a0975d5b363b62f85dd0e39b33b8c2a8bba24cce", kill_on_drop: false }`
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking websocket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "e7bee72ee14b2ad20c20d796a0975d5b363b62f85dd0e39b33b8c2a8bba24cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7bee72ee14b2ad20c20d796a0975d5b363b62f85dd0e39b33b8c2a8bba24cce", kill_on_drop: false }`
[INFO] [stdout] e7bee72ee14b2ad20c20d796a0975d5b363b62f85dd0e39b33b8c2a8bba24cce
[INFO] checking shun-shobon/websocket against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshun-shobon%2Fwebsocket" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shun-shobon/websocket on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shun-shobon/websocket
[INFO] finished tweaking git repo https://github.com/shun-shobon/websocket
[INFO] tweaked toml for git repo https://github.com/shun-shobon/websocket written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/shun-shobon/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aa5e50aef87741c0e50f8cb6d3bbd1743be1f184f4dcaa329a69ce236350b03
[INFO] running `Command { std: "docker" "start" "-a" "5aa5e50aef87741c0e50f8cb6d3bbd1743be1f184f4dcaa329a69ce236350b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aa5e50aef87741c0e50f8cb6d3bbd1743be1f184f4dcaa329a69ce236350b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa5e50aef87741c0e50f8cb6d3bbd1743be1f184f4dcaa329a69ce236350b03", kill_on_drop: false }`
[INFO] [stdout] 5aa5e50aef87741c0e50f8cb6d3bbd1743be1f184f4dcaa329a69ce236350b03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ae8d5fdbd7dd642a48f5fb76115ad8ec59f22cc8582d807cde0e5a5900a9fdf
[INFO] running `Command { std: "docker" "start" "-a" "7ae8d5fdbd7dd642a48f5fb76115ad8ec59f22cc8582d807cde0e5a5900a9fdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking websocket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         .map_err(|e| panic!("cannot listen on {}: {:?}", addr, e))
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]    |
[INFO] [stdout] 14 |         .map_err(|e| -> /* Type */ panic!("cannot listen on {}: {:?}", addr, e))
[INFO] [stdout]    |                      +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |         .map_err(|e| panic!("cannot listen on {}: {:?}", addr, e))
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]    |
[INFO] [stdout] 14 |         .map_err(|e| -> /* Type */ panic!("cannot listen on {}: {:?}", addr, e))
[INFO] [stdout]    |                      +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `websocket` (bin "websocket" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `websocket` (bin "websocket") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7ae8d5fdbd7dd642a48f5fb76115ad8ec59f22cc8582d807cde0e5a5900a9fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae8d5fdbd7dd642a48f5fb76115ad8ec59f22cc8582d807cde0e5a5900a9fdf", kill_on_drop: false }`
[INFO] [stdout] 7ae8d5fdbd7dd642a48f5fb76115ad8ec59f22cc8582d807cde0e5a5900a9fdf