[INFO] updating cached repository lux01/synacor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lux01/synacor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lux01/synacor" "work/ex/clippy-test-run/sources/stable/gh/lux01/synacor"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/lux01/synacor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lux01/synacor" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/lux01/synacor"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/lux01/synacor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f0ff8dfcdb8a6c1395fe50c15ebc21aa57c0f93
[INFO] sha for GitHub repo lux01/synacor: 9f0ff8dfcdb8a6c1395fe50c15ebc21aa57c0f93
[INFO] validating manifest of lux01/synacor on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lux01/synacor on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lux01/synacor
[INFO] finished frobbing lux01/synacor
[INFO] frobbed toml for lux01/synacor written to work/ex/clippy-test-run/sources/stable/gh/lux01/synacor/Cargo.toml
[INFO] started frobbing lux01/synacor
[INFO] finished frobbing lux01/synacor
[INFO] frobbed toml for lux01/synacor written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/lux01/synacor/Cargo.toml
[INFO] crate lux01/synacor has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting lux01/synacor against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/lux01/synacor:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 23d75a8a0c93b3ef4b1eb180439db077ee60819e2858935d34ed19d61af6b18c
[INFO] running `"docker" "start" "-a" "23d75a8a0c93b3ef4b1eb180439db077ee60819e2858935d34ed19d61af6b18c"`
[INFO] [stderr]     Checking bit-vec v0.4.3
[INFO] [stderr]     Checking serde v0.9.6
[INFO] [stderr]     Checking termion v1.1.4
[INFO] [stderr]     Checking chan v0.1.18
[INFO] [stderr]    Compiling serde_derive v0.9.6
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking chan-signal v0.2.0
[INFO] [stderr]     Checking serde_json v0.9.5
[INFO] [stderr]     Checking synacor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/cpu/mod.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |             data: data,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/cpu/mod.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |             data: data,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/cpu/mod.rs:190:27
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 let val = 0b111111111111111 ^ self.data.val(a);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^ help: consider: `0b111_1111_1111_1111`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/cpu/mod.rs:190:27
[INFO] [stderr]     |
[INFO] [stderr] 190 |                 let val = 0b111111111111111 ^ self.data.val(a);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^ help: consider: `0b111_1111_1111_1111`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu/instruction.rs:145:47
[INFO] [stderr]     |
[INFO] [stderr] 145 |                                char::from_u32(x as u32).unwrap())
[INFO] [stderr]     |                                               ^^^^^^^^ help: try: `u32::from(x)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu/mod.rs:170:28
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 let val = (self.data.val(a) as u32 + self.data.val(b) as u32) % MOD_BASE;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.data.val(a))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu/mod.rs:170:54
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 let val = (self.data.val(a) as u32 + self.data.val(b) as u32) % MOD_BASE;
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.data.val(b))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu/mod.rs:174:28
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 let val = (self.data.val(a) as u32 * self.data.val(b) as u32) % MOD_BASE;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.data.val(a))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu/mod.rs:174:54
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 let val = (self.data.val(a) as u32 * self.data.val(b) as u32) % MOD_BASE;
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.data.val(b))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu/mod.rs:216:45
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 print!("{}", char::from_u32(val as u32).unwrap());
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: try: `u32::from(val)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu/mod.rs:230:52
[INFO] [stderr]     |
[INFO] [stderr] 230 |                             let c = char::from_u32(byte_buf[0] as u32).unwrap();
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^ help: try: `u32::from(byte_buf[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu/instruction.rs:145:47
[INFO] [stderr]     |
[INFO] [stderr] 145 |                                char::from_u32(x as u32).unwrap())
[INFO] [stderr]     |                                               ^^^^^^^^ help: try: `u32::from(x)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu/mod.rs:170:28
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 let val = (self.data.val(a) as u32 + self.data.val(b) as u32) % MOD_BASE;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.data.val(a))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu/mod.rs:170:54
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 let val = (self.data.val(a) as u32 + self.data.val(b) as u32) % MOD_BASE;
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.data.val(b))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu/mod.rs:174:28
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 let val = (self.data.val(a) as u32 * self.data.val(b) as u32) % MOD_BASE;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.data.val(a))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu/mod.rs:174:54
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 let val = (self.data.val(a) as u32 * self.data.val(b) as u32) % MOD_BASE;
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.data.val(b))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu/mod.rs:216:45
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 print!("{}", char::from_u32(val as u32).unwrap());
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: try: `u32::from(val)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cpu/mod.rs:230:52
[INFO] [stderr]     |
[INFO] [stderr] 230 |                             let c = char::from_u32(byte_buf[0] as u32).unwrap();
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^ help: try: `u32::from(byte_buf[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/debugger/debugger.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |             cpu: cpu,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `cpu`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/debugger/debugger.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 println!("");
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/debugger/debugger.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |             cpu: cpu,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `cpu`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/debugger/debugger.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 println!("");
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Add` impl
[INFO] [stderr]   --> src/brute_forcer/main.rs:31:42
[INFO] [stderr]    |
[INFO] [stderr] 31 |         U15(self.0.wrapping_add(other.0) % N)
[INFO] [stderr]    |                                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::suspicious_arithmetic_impl)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Add` impl
[INFO] [stderr]   --> src/brute_forcer/main.rs:39:42
[INFO] [stderr]    |
[INFO] [stderr] 39 |         U15(self.0.wrapping_add(other.0) % N)
[INFO] [stderr]    |                                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Add` impl
[INFO] [stderr]   --> src/brute_forcer/main.rs:47:42
[INFO] [stderr]    |
[INFO] [stderr] 47 |         U15(self.0.wrapping_add(other.0) % N)
[INFO] [stderr]    |                                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Add` impl
[INFO] [stderr]   --> src/brute_forcer/main.rs:55:42
[INFO] [stderr]    |
[INFO] [stderr] 55 |         U15(self.0.wrapping_add(other.0) % N)
[INFO] [stderr]    |                                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]   --> src/brute_forcer/main.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 | /         if !self.cache.contains_key(&(m, n)) {
[INFO] [stderr] 77 | |             let val = if m == ZERO_15 {
[INFO] [stderr] 78 | |                 n + ONE_15
[INFO] [stderr] 79 | |             } else if n == ZERO_15 {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |             self.cache.insert((m, n), val);
[INFO] [stderr] 87 | |         }
[INFO] [stderr]    | |_________^ help: consider using: `self.cache.entry((m, n))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `synacor`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Suspicious use of binary operator in `Add` impl
[INFO] [stderr]   --> src/brute_forcer/main.rs:31:42
[INFO] [stderr]    |
[INFO] [stderr] 31 |         U15(self.0.wrapping_add(other.0) % N)
[INFO] [stderr]    |                                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::suspicious_arithmetic_impl)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Add` impl
[INFO] [stderr]   --> src/brute_forcer/main.rs:39:42
[INFO] [stderr]    |
[INFO] [stderr] 39 |         U15(self.0.wrapping_add(other.0) % N)
[INFO] [stderr]    |                                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Add` impl
[INFO] [stderr]   --> src/brute_forcer/main.rs:47:42
[INFO] [stderr]    |
[INFO] [stderr] 47 |         U15(self.0.wrapping_add(other.0) % N)
[INFO] [stderr]    |                                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Add` impl
[INFO] [stderr]   --> src/brute_forcer/main.rs:55:42
[INFO] [stderr]    |
[INFO] [stderr] 55 |         U15(self.0.wrapping_add(other.0) % N)
[INFO] [stderr]    |                                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]   --> src/brute_forcer/main.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 | /         if !self.cache.contains_key(&(m, n)) {
[INFO] [stderr] 77 | |             let val = if m == ZERO_15 {
[INFO] [stderr] 78 | |                 n + ONE_15
[INFO] [stderr] 79 | |             } else if n == ZERO_15 {
[INFO] [stderr] ...  |
[INFO] [stderr] 86 | |             self.cache.insert((m, n), val);
[INFO] [stderr] 87 | |         }
[INFO] [stderr]    | |_________^ help: consider using: `self.cache.entry((m, n))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `synacor`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/debugger/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use] extern crate chan;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/debugger/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[macro_use] extern crate chan;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 29
[INFO] [stderr]    --> src/debugger/command.rs:52:5
[INFO] [stderr]     |
[INFO] [stderr] 52  | /     pub fn execute(&self, dbg: &mut Debugger, args: &[&str]) {
[INFO] [stderr] 53  | |         use self::Command::*;
[INFO] [stderr] 54  | |         match *self {
[INFO] [stderr] 55  | |             Help => {
[INFO] [stderr] ...   |
[INFO] [stderr] 325 | |         }
[INFO] [stderr] 326 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/debugger/command.rs:206:57
[INFO] [stderr]     |
[INFO] [stderr] 206 |                         if let Some(c) = char::from_u32(val as u32) {
[INFO] [stderr]     |                                                         ^^^^^^^^^^ help: try: `u32::from(val)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/debugger/debugger.rs:83:20
[INFO] [stderr]    |
[INFO] [stderr] 83 |               if let Err(_) = result {
[INFO] [stderr]    |  _____________-      ^^^^^^
[INFO] [stderr] 84 | |                 println!("");
[INFO] [stderr] 85 | |                 stdout().flush().unwrap();
[INFO] [stderr] 86 | |                 continue;
[INFO] [stderr] 87 | |             }
[INFO] [stderr]    | |_____________- help: try this: `if result.is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 29
[INFO] [stderr]    --> src/debugger/command.rs:52:5
[INFO] [stderr]     |
[INFO] [stderr] 52  | /     pub fn execute(&self, dbg: &mut Debugger, args: &[&str]) {
[INFO] [stderr] 53  | |         use self::Command::*;
[INFO] [stderr] 54  | |         match *self {
[INFO] [stderr] 55  | |             Help => {
[INFO] [stderr] ...   |
[INFO] [stderr] 325 | |         }
[INFO] [stderr] 326 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/debugger/command.rs:206:57
[INFO] [stderr]     |
[INFO] [stderr] 206 |                         if let Some(c) = char::from_u32(val as u32) {
[INFO] [stderr]     |                                                         ^^^^^^^^^^ help: try: `u32::from(val)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]   --> src/debugger/debugger.rs:83:20
[INFO] [stderr]    |
[INFO] [stderr] 83 |               if let Err(_) = result {
[INFO] [stderr]    |  _____________-      ^^^^^^
[INFO] [stderr] 84 | |                 println!("");
[INFO] [stderr] 85 | |                 stdout().flush().unwrap();
[INFO] [stderr] 86 | |                 continue;
[INFO] [stderr] 87 | |             }
[INFO] [stderr]    | |_____________- help: try this: `if result.is_err()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "23d75a8a0c93b3ef4b1eb180439db077ee60819e2858935d34ed19d61af6b18c"`
[INFO] running `"docker" "rm" "-f" "23d75a8a0c93b3ef4b1eb180439db077ee60819e2858935d34ed19d61af6b18c"`
[INFO] [stdout] 23d75a8a0c93b3ef4b1eb180439db077ee60819e2858935d34ed19d61af6b18c