[INFO] cloning repository https://github.com/conner-s/Lights_rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conner-s/Lights_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconner-s%2FLights_rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconner-s%2FLights_rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9b346986dc2b93005ea134d306c7eda9cee14af7
[INFO] checking conner-s/Lights_rs against nightly-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconner-s%2FLights_rs" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/conner-s/Lights_rs on toolchain nightly-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/conner-s/Lights_rs
[INFO] finished tweaking git repo https://github.com/conner-s/Lights_rs
[INFO] tweaked toml for git repo https://github.com/conner-s/Lights_rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/conner-s/Lights_rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e6fc9d7da17e00f79ecf5db3abd68f501bd26a23f719118ad4777da4f1eb202e
[INFO] running `"docker" "start" "-a" "e6fc9d7da17e00f79ecf5db3abd68f501bd26a23f719118ad4777da4f1eb202e"`
[INFO] [stderr]     Checking Lights v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0425]: cannot find value `buffer` in this scope
[INFO] [stderr]   --> src/bulb_scanner.rs:43:62
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let (bytes_received, src_addr) = sock.recv_from(&mut buffer).unwrap_or((0,default_socket));
[INFO] [stderr]    |                                                              ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `buffer` in this scope
[INFO] [stderr]   --> src/bulb_scanner.rs:57:31
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let filled_buf = &mut buffer[..bytes_received];
[INFO] [stderr]    |                               ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `std::string::String: std::convert::From<u16>` is not satisfied
[INFO] [stderr]   --> src/wifi_led_bulb.rs:31:63
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let socket_addr: String = ip_addr.to_string().add(String::from(port).as_str());
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^ the trait `std::convert::From<u16>` is not implemented for `std::string::String`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <std::string::String as std::convert::From<&std::string::String>>
[INFO] [stderr]              <std::string::String as std::convert::From<&str>>
[INFO] [stderr]              <std::string::String as std::convert::From<std::borrow::Cow<'a, str>>>
[INFO] [stderr]              <std::string::String as std::convert::From<std::boxed::Box<str>>>
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0425.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `Lights`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0425]: cannot find value `buffer` in this scope
[INFO] [stderr]   --> src/bulb_scanner.rs:43:62
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let (bytes_received, src_addr) = sock.recv_from(&mut buffer).unwrap_or((0,default_socket));
[INFO] [stderr]    |                                                              ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `buffer` in this scope
[INFO] [stderr]   --> src/bulb_scanner.rs:57:31
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let filled_buf = &mut buffer[..bytes_received];
[INFO] [stderr]    |                               ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `std::string::String: std::convert::From<u16>` is not satisfied
[INFO] [stderr]   --> src/wifi_led_bulb.rs:31:63
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let socket_addr: String = ip_addr.to_string().add(String::from(port).as_str());
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^ the trait `std::convert::From<u16>` is not implemented for `std::string::String`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <std::string::String as std::convert::From<&std::string::String>>
[INFO] [stderr]              <std::string::String as std::convert::From<&str>>
[INFO] [stderr]              <std::string::String as std::convert::From<std::borrow::Cow<'a, str>>>
[INFO] [stderr]              <std::string::String as std::convert::From<std::boxed::Box<str>>>
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0425.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `Lights`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e6fc9d7da17e00f79ecf5db3abd68f501bd26a23f719118ad4777da4f1eb202e"`
[INFO] running `"docker" "rm" "-f" "e6fc9d7da17e00f79ecf5db3abd68f501bd26a23f719118ad4777da4f1eb202e"`
[INFO] [stdout] e6fc9d7da17e00f79ecf5db3abd68f501bd26a23f719118ad4777da4f1eb202e