[INFO] cloning repository https://github.com/Innealtoir/tcpip6_listener
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Innealtoir/tcpip6_listener" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInnealtoir%2Ftcpip6_listener", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInnealtoir%2Ftcpip6_listener'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 698b6bfda4b7f84ea2e7bd5852031e91438c6160
[INFO] testing Innealtoir/tcpip6_listener against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInnealtoir%2Ftcpip6_listener" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Innealtoir/tcpip6_listener on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Innealtoir/tcpip6_listener
[INFO] finished tweaking git repo https://github.com/Innealtoir/tcpip6_listener
[INFO] tweaked toml for git repo https://github.com/Innealtoir/tcpip6_listener written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Innealtoir/tcpip6_listener already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a2a1d5509f3c31a1c39bbb762c4d669e6a70b55ba6348aa42d737b88b0daba5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a2a1d5509f3c31a1c39bbb762c4d669e6a70b55ba6348aa42d737b88b0daba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a2a1d5509f3c31a1c39bbb762c4d669e6a70b55ba6348aa42d737b88b0daba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a2a1d5509f3c31a1c39bbb762c4d669e6a70b55ba6348aa42d737b88b0daba5", kill_on_drop: false }`
[INFO] [stdout] 7a2a1d5509f3c31a1c39bbb762c4d669e6a70b55ba6348aa42d737b88b0daba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fed0ea66ae0be30ce37e97e5fd361a71e02f3d8db694481231f752f4293e2d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6fed0ea66ae0be30ce37e97e5fd361a71e02f3d8db694481231f752f4293e2d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcpip6_listener v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected closing delimiter: `}`
[INFO] [stdout]   --> src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | for stream in listener.incoming() {
[INFO] [stdout]    |                                   - this opening brace...
[INFO] [stdout] 12 |     handle_client(stream?};
[INFO] [stdout]    |                          - ...matches this closing brace
[INFO] [stdout] 13 | }
[INFO] [stdout]    | ^ unexpected closing delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: mismatched closing delimiter: `}`
[INFO] [stdout]   --> src/main.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 |     handle_client(stream?};
[INFO] [stdout]    |                  -       ^ mismatched closing delimiter
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  unclosed delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcpip6_listener`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6fed0ea66ae0be30ce37e97e5fd361a71e02f3d8db694481231f752f4293e2d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fed0ea66ae0be30ce37e97e5fd361a71e02f3d8db694481231f752f4293e2d3", kill_on_drop: false }`
[INFO] [stdout] 6fed0ea66ae0be30ce37e97e5fd361a71e02f3d8db694481231f752f4293e2d3