[INFO] cloning repository https://github.com/mmalenic/simple-sync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmalenic/simple-sync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmalenic%2Fsimple-sync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmalenic%2Fsimple-sync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c5aa8f1fa122a3df4a9651e5a18e310cdd2a5fd
[INFO] testing mmalenic/simple-sync against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmalenic%2Fsimple-sync" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmalenic/simple-sync 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/mmalenic/simple-sync
[INFO] finished tweaking git repo https://github.com/mmalenic/simple-sync
[INFO] tweaked toml for git repo https://github.com/mmalenic/simple-sync written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mmalenic/simple-sync 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] [stderr] warning: unused manifest key: package.about
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9d2e8a0e7af74fe5c6a241ab132e4a1a1e7bab57471329279957d16ec7945409
[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" "9d2e8a0e7af74fe5c6a241ab132e4a1a1e7bab57471329279957d16ec7945409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d2e8a0e7af74fe5c6a241ab132e4a1a1e7bab57471329279957d16ec7945409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2e8a0e7af74fe5c6a241ab132e4a1a1e7bab57471329279957d16ec7945409", kill_on_drop: false }`
[INFO] [stdout] 9d2e8a0e7af74fe5c6a241ab132e4a1a1e7bab57471329279957d16ec7945409
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1fd398c5c663f1377c562c0ff63b9feedb1a5cd1acce02cda6bbceeb644ba7d7
[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" "1fd398c5c663f1377c562c0ff63b9feedb1a5cd1acce02cda6bbceeb644ba7d7", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling pnet_base v0.27.2
[INFO] [stderr]    Compiling pnet v0.27.2
[INFO] [stderr]    Compiling pnet_sys v0.27.2
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling pnet_macros_support v0.27.2
[INFO] [stderr]    Compiling directories v3.0.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling derive-serialize-into v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.27.2
[INFO] [stderr]    Compiling ipnetwork v0.17.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling pnet_datalink v0.27.2
[INFO] [stderr]    Compiling pnet_packet v0.27.2
[INFO] [stderr]    Compiling pnet_transport v0.27.2
[INFO] [stderr]    Compiling simple-sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/broadcast.rs:22:112
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn new(device_id: String, device_name: String, retransmit: bool, port: u16, addresses: Vec<IpAddr>) -> Self {
[INFO] [stdout]    |            --- implicitly returns `()` as its body has no tail or `return` expression                          ^^^^ expected struct `BroadcastPacket`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-sync`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1fd398c5c663f1377c562c0ff63b9feedb1a5cd1acce02cda6bbceeb644ba7d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd398c5c663f1377c562c0ff63b9feedb1a5cd1acce02cda6bbceeb644ba7d7", kill_on_drop: false }`
[INFO] [stdout] 1fd398c5c663f1377c562c0ff63b9feedb1a5cd1acce02cda6bbceeb644ba7d7