[INFO] crate ufo_rs 0.1.1 is already in cache
[INFO] checking ufo_rs-0.1.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate ufo_rs 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ufo_rs 0.1.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ufo_rs 0.1.1
[INFO] finished tweaking crates.io crate ufo_rs 0.1.1
[INFO] tweaked toml for crates.io crate ufo_rs 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] a4ae0c68fddd3018c531d21db3cd8021d660c5ca9f127e96a8fb3952ba4d04c9
[INFO] running `"docker" "start" "-a" "a4ae0c68fddd3018c531d21db3cd8021d660c5ca9f127e96a8fb3952ba4d04c9"`
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking ufo_rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:182:24
[INFO] [stderr]     |
[INFO] [stderr] 182 |     fn left(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:186:25
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn right(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:190:22
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn up(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:194:24
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn down(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:200:28
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn forwards(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:204:29
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn backwards(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:211:28
[INFO] [stderr]     |
[INFO] [stderr] 211 |     fn rot_left(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:215:29
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn rot_right(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bind_ip`
[INFO] [stderr]   --> src/lib.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     bind_ip: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bind_port`
[INFO] [stderr]   --> src/lib.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     bind_port: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bat_charge`
[INFO] [stderr]    --> src/lib.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     bat_charge: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bat_cap`
[INFO] [stderr]    --> src/lib.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     bat_cap: usize
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bind_ip`
[INFO] [stderr]    --> src/lib.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     bind_ip: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bind_port`
[INFO] [stderr]    --> src/lib.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     bind_port: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `connect_ip`
[INFO] [stderr]    --> src/lib.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     connect_ip: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `connect_port`
[INFO] [stderr]    --> src/lib.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     connect_port: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:182:24
[INFO] [stderr]     |
[INFO] [stderr] 182 |     fn left(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:186:25
[INFO] [stderr]     |
[INFO] [stderr] 186 |     fn right(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:190:22
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn up(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:194:24
[INFO] [stderr]     |
[INFO] [stderr] 194 |     fn down(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:200:28
[INFO] [stderr]     |
[INFO] [stderr] 200 |     fn forwards(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:204:29
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn backwards(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:211:28
[INFO] [stderr]     |
[INFO] [stderr] 211 |     fn rot_left(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:215:29
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn rot_right(&mut self, time: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         self.connection.send_command(UdpHex::Land.value());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bind_ip`
[INFO] [stderr]   --> src/lib.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     bind_ip: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bind_port`
[INFO] [stderr]   --> src/lib.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     bind_port: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bat_charge`
[INFO] [stderr]    --> src/lib.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     bat_charge: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bat_cap`
[INFO] [stderr]    --> src/lib.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     bat_cap: usize
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bind_ip`
[INFO] [stderr]    --> src/lib.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     bind_ip: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bind_port`
[INFO] [stderr]    --> src/lib.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     bind_port: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `connect_ip`
[INFO] [stderr]    --> src/lib.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 |     connect_ip: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `connect_port`
[INFO] [stderr]    --> src/lib.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     connect_port: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/drones/jjrc/h61.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         self.connection.send_command(UdpHex::Land.value());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ufo_rs::traits::drone::*`
[INFO] [stderr]  --> examples/h61-takeoff-landing.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use ufo_rs::traits::drone::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> examples/h61-takeoff-landing.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         Err(e) => panic!("Connection Error, check connection to drone"),
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ufo_rs::traits::drone::*`
[INFO] [stderr]  --> examples/h61-forward-march.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use ufo_rs::traits::drone::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> examples/h61-rotate90.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         Err(e) => panic!("Connection Error, check connection to drone"),
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> examples/h61-hover.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         Err(e) => panic!("Connection Error, check connection to drone"),
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> examples/h61-forward-march.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         Err(e) => panic!("Connection Error, check connection to drone"),
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `"docker" "inspect" "a4ae0c68fddd3018c531d21db3cd8021d660c5ca9f127e96a8fb3952ba4d04c9"`
[INFO] running `"docker" "rm" "-f" "a4ae0c68fddd3018c531d21db3cd8021d660c5ca9f127e96a8fb3952ba4d04c9"`
[INFO] [stdout] a4ae0c68fddd3018c531d21db3cd8021d660c5ca9f127e96a8fb3952ba4d04c9