[INFO] cloning repository https://github.com/Leonti/rust-socket-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leonti/rust-socket-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeonti%2Frust-socket-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeonti%2Frust-socket-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fa0e7016aff899624955b07f456c2ab7c53ae15
[INFO] checking Leonti/rust-socket-server against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeonti%2Frust-socket-server" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Leonti/rust-socket-server on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Leonti/rust-socket-server
[INFO] finished tweaking git repo https://github.com/Leonti/rust-socket-server
[INFO] tweaked toml for git repo https://github.com/Leonti/rust-socket-server written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Leonti/rust-socket-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.4.21
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded cargo_metadata v0.5.8
[INFO] [stderr]   Downloaded byte-tools v0.3.0
[INFO] [stderr]   Downloaded tokio-serial v3.3.0
[INFO] [stderr]   Downloaded walkdir v2.2.6
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded serialport v3.3.0
[INFO] [stderr]   Downloaded mio-serial v3.3.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.0
[INFO] [stderr]   Downloaded tokio-dns-unofficial v0.3.1
[INFO] [stderr]   Downloaded opaque-debug v0.2.1
[INFO] [stderr]   Downloaded i2cdev v0.3.2
[INFO] [stderr]   Downloaded mcp3008 v1.0.0
[INFO] [stderr]   Downloaded block-padding v0.1.2
[INFO] [stderr]   Downloaded bytecount v0.3.2
[INFO] [stderr]   Downloaded tokio-tungstenite v0.6.0
[INFO] [stderr]   Downloaded rpos_drv v0.2.0
[INFO] [stderr]   Downloaded rplidar_drv v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d7cde89956b6b46881b7f89b486612f9c37f2fe07be4bcef5f0e0d95fd08ebc
[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" "9d7cde89956b6b46881b7f89b486612f9c37f2fe07be4bcef5f0e0d95fd08ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d7cde89956b6b46881b7f89b486612f9c37f2fe07be4bcef5f0e0d95fd08ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7cde89956b6b46881b7f89b486612f9c37f2fe07be4bcef5f0e0d95fd08ebc", kill_on_drop: false }`
[INFO] [stdout] 9d7cde89956b6b46881b7f89b486612f9c37f2fe07be4bcef5f0e0d95fd08ebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8c9bd27ddf4bc6991dff21a311640b192091559d9c93ee524f53a0206c5ef6e4
[INFO] running `Command { std: "docker" "start" "-a" "8c9bd27ddf4bc6991dff21a311640b192091559d9c93ee524f53a0206c5ef6e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking utf-8 v0.7.4
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking block-padding v0.1.2
[INFO] [stderr]     Checking rpos_drv v0.2.0
[INFO] [stderr]    Compiling walkdir v2.2.6
[INFO] [stderr]     Checking base64 v0.10.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rplidar_drv v0.6.0
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking spidev v0.3.0
[INFO] [stderr]     Checking mcp3008 v1.0.0
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking sysfs_gpio v0.5.3
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking mio-serial v3.3.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-serial v3.3.0
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking tokio-dns-unofficial v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.6.0
[INFO] [stderr]    Compiling cargo_metadata v0.5.8
[INFO] [stderr]    Compiling skeptic v0.13.3
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]     Checking rover_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sensors/arduino.rs:160:14
[INFO] [stdout]     |
[INFO] [stdout] 160 |     ) -> Box<Future<Item = (), Error = ()> + Send> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()> + Send`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sensors/arduino.rs:204:41
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn print_not_connected(self) -> Box<Future<Item = (), Error = ()> + Send> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()> + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary trailing semicolon
[INFO] [stdout]    --> src/motor_handler.rs:192:40
[INFO] [stdout]     |
[INFO] [stdout] 192 |         .expect("Time went backwards");;
[INFO] [stdout]     |                                        ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(redundant_semicolons)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:226:10
[INFO] [stdout]     |
[INFO] [stdout] 226 | ) -> Box<Future<Item = (), Error = io::Error> + Send> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = io::Error> + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Sink` is imported redundantly
[INFO] [stdout]    --> src/main.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 18  | use tokio::prelude::*;
[INFO] [stdout]     |     ----------------- the item `Sink` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 260 |                 use futures::Sink;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to enum
[INFO] [stdout]   --> src/sensors/event.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |       #[repr(u128)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 89 | /     pub fn new(event: Event) -> TimedEvent {
[INFO] [stdout] 90 | |         let start = SystemTime::now();
[INFO] [stdout] 91 | |         let since_the_epoch = start
[INFO] [stdout] 92 | |             .duration_since(UNIX_EPOCH)
[INFO] [stdout] ...  |
[INFO] [stdout] 97 | |         TimedEvent { event, time }
[INFO] [stdout] 98 | |     }
[INFO] [stdout]    | |_____- not an enum
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sensors/arduino.rs:160:14
[INFO] [stdout]     |
[INFO] [stdout] 160 |     ) -> Box<Future<Item = (), Error = ()> + Send> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()> + Send`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sensors/arduino.rs:204:41
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn print_not_connected(self) -> Box<Future<Item = (), Error = ()> + Send> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()> + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary trailing semicolon
[INFO] [stdout]    --> src/motor_handler.rs:192:40
[INFO] [stdout]     |
[INFO] [stdout] 192 |         .expect("Time went backwards");;
[INFO] [stdout]     |                                        ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(redundant_semicolons)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:226:10
[INFO] [stdout]     |
[INFO] [stdout] 226 | ) -> Box<Future<Item = (), Error = io::Error> + Send> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = io::Error> + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Sink` is imported redundantly
[INFO] [stdout]    --> src/main.rs:260:21
[INFO] [stdout]     |
[INFO] [stdout] 18  | use tokio::prelude::*;
[INFO] [stdout]     |     ----------------- the item `Sink` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 260 |                 use futures::Sink;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to enum
[INFO] [stdout]   --> src/sensors/event.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 |       #[repr(u128)]
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 89 | /     pub fn new(event: Event) -> TimedEvent {
[INFO] [stdout] 90 | |         let start = SystemTime::now();
[INFO] [stdout] 91 | |         let since_the_epoch = start
[INFO] [stdout] 92 | |             .duration_since(UNIX_EPOCH)
[INFO] [stdout] ...  |
[INFO] [stdout] 97 | |         TimedEvent { event, time }
[INFO] [stdout] 98 | |     }
[INFO] [stdout]    | |_____- not an enum
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0517`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rover_server`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0517`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8c9bd27ddf4bc6991dff21a311640b192091559d9c93ee524f53a0206c5ef6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9bd27ddf4bc6991dff21a311640b192091559d9c93ee524f53a0206c5ef6e4", kill_on_drop: false }`
[INFO] [stdout] 8c9bd27ddf4bc6991dff21a311640b192091559d9c93ee524f53a0206c5ef6e4