Dec 04 08:30:08.606 INFO checking tiziano88/xyz against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 08:30:08.606 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 08:30:09.112 INFO [stdout] 716cb35ad754b740a022d5b204b00248e60d5718545f37b262268fb333b80fbb
Dec 04 08:30:09.114 INFO running `"docker" "start" "-a" "716cb35ad754b740a022d5b204b00248e60d5718545f37b262268fb333b80fbb"`
Dec 04 08:30:11.686 INFO [stderr] usermod: no changes
Dec 04 08:30:11.791 INFO [stderr]     Checking termion v1.1.4
Dec 04 08:30:12.697 INFO [stderr]     Checking xyz v0.1.0 (/source)
Dec 04 08:30:13.099 INFO [stderr] warning: unused import: `rand::Rng`
Dec 04 08:30:13.099 INFO [stderr]  --> src/main.rs:7:5
Dec 04 08:30:13.100 INFO [stderr]   |
Dec 04 08:30:13.100 INFO [stderr] 7 | use rand::Rng;
Dec 04 08:30:13.100 INFO [stderr]   |     ^^^^^^^^^
Dec 04 08:30:13.101 INFO [stderr]   |
Dec 04 08:30:13.101 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 08:30:13.101 INFO [stderr] 
Dec 04 08:30:13.147 INFO [stderr] warning: unused import: `rand::Rng`
Dec 04 08:30:13.147 INFO [stderr]  --> src/main.rs:7:5
Dec 04 08:30:13.147 INFO [stderr]   |
Dec 04 08:30:13.147 INFO [stderr] 7 | use rand::Rng;
Dec 04 08:30:13.147 INFO [stderr]   |     ^^^^^^^^^
Dec 04 08:30:13.147 INFO [stderr]   |
Dec 04 08:30:13.147 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 08:30:13.147 INFO [stderr] 
Dec 04 08:30:13.255 INFO [stderr] warning: unused variable: `rng`
Dec 04 08:30:13.255 INFO [stderr]    --> src/main.rs:110:13
Dec 04 08:30:13.255 INFO [stderr]     |
Dec 04 08:30:13.256 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 04 08:30:13.256 INFO [stderr]     |             ^^^ help: consider using `_rng` instead
Dec 04 08:30:13.256 INFO [stderr]     |
Dec 04 08:30:13.257 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 08:30:13.257 INFO [stderr] 
Dec 04 08:30:13.257 INFO [stderr] warning: unused variable: `s`
Dec 04 08:30:13.257 INFO [stderr]    --> src/main.rs:115:17
Dec 04 08:30:13.257 INFO [stderr]     |
Dec 04 08:30:13.257 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 04 08:30:13.258 INFO [stderr]     |                 ^ help: consider using `_s` instead
Dec 04 08:30:13.258 INFO [stderr] 
Dec 04 08:30:13.258 INFO [stderr] warning: variable `v` is assigned to, but never used
Dec 04 08:30:13.259 INFO [stderr]   --> src/main.rs:61:25
Dec 04 08:30:13.259 INFO [stderr]    |
Dec 04 08:30:13.259 INFO [stderr] 61 |                 let mut v = self.grid[x][y];
Dec 04 08:30:13.260 INFO [stderr]    |                         ^
Dec 04 08:30:13.260 INFO [stderr]    |
Dec 04 08:30:13.260 INFO [stderr]    = note: consider using `_v` instead
Dec 04 08:30:13.260 INFO [stderr] 
Dec 04 08:30:13.271 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:30:13.271 INFO [stderr]   --> src/main.rs:45:13
Dec 04 08:30:13.271 INFO [stderr]    |
Dec 04 08:30:13.271 INFO [stderr] 45 |         let mut g = Grid::default();
Dec 04 08:30:13.272 INFO [stderr]    |             ----^
Dec 04 08:30:13.272 INFO [stderr]    |             |
Dec 04 08:30:13.272 INFO [stderr]    |             help: remove this `mut`
Dec 04 08:30:13.272 INFO [stderr]    |
Dec 04 08:30:13.272 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 08:30:13.273 INFO [stderr] 
Dec 04 08:30:13.291 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:30:13.291 INFO [stderr]    --> src/main.rs:110:9
Dec 04 08:30:13.291 INFO [stderr]     |
Dec 04 08:30:13.292 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 04 08:30:13.292 INFO [stderr]     |         ----^^^
Dec 04 08:30:13.292 INFO [stderr]     |         |
Dec 04 08:30:13.293 INFO [stderr]     |         help: remove this `mut`
Dec 04 08:30:13.293 INFO [stderr] 
Dec 04 08:30:13.293 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:30:13.294 INFO [stderr]    --> src/main.rs:115:13
Dec 04 08:30:13.294 INFO [stderr]     |
Dec 04 08:30:13.294 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 04 08:30:13.294 INFO [stderr]     |             ----^
Dec 04 08:30:13.295 INFO [stderr]     |             |
Dec 04 08:30:13.295 INFO [stderr]     |             help: remove this `mut`
Dec 04 08:30:13.295 INFO [stderr] 
Dec 04 08:30:13.296 INFO [stderr] warning: constant `max` should have an upper case name such as `MAX`
Dec 04 08:30:13.296 INFO [stderr]  --> src/main.rs:9:1
Dec 04 08:30:13.296 INFO [stderr]   |
Dec 04 08:30:13.297 INFO [stderr] 9 | const max: u32 = 128;
Dec 04 08:30:13.297 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:30:13.297 INFO [stderr]   |
Dec 04 08:30:13.297 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Dec 04 08:30:13.297 INFO [stderr] 
Dec 04 08:30:13.326 INFO [stderr] warning: unused variable: `rng`
Dec 04 08:30:13.326 INFO [stderr]    --> src/main.rs:110:13
Dec 04 08:30:13.327 INFO [stderr]     |
Dec 04 08:30:13.327 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 04 08:30:13.327 INFO [stderr]     |             ^^^ help: consider using `_rng` instead
Dec 04 08:30:13.328 INFO [stderr]     |
Dec 04 08:30:13.328 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 08:30:13.328 INFO [stderr] 
Dec 04 08:30:13.338 INFO [stderr] warning: unused variable: `s`
Dec 04 08:30:13.338 INFO [stderr]    --> src/main.rs:115:17
Dec 04 08:30:13.338 INFO [stderr]     |
Dec 04 08:30:13.338 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 04 08:30:13.338 INFO [stderr]     |                 ^ help: consider using `_s` instead
Dec 04 08:30:13.338 INFO [stderr] 
Dec 04 08:30:13.339 INFO [stderr] warning: variable `v` is assigned to, but never used
Dec 04 08:30:13.339 INFO [stderr]   --> src/main.rs:61:25
Dec 04 08:30:13.339 INFO [stderr]    |
Dec 04 08:30:13.339 INFO [stderr] 61 |                 let mut v = self.grid[x][y];
Dec 04 08:30:13.340 INFO [stderr]    |                         ^
Dec 04 08:30:13.340 INFO [stderr]    |
Dec 04 08:30:13.340 INFO [stderr]    = note: consider using `_v` instead
Dec 04 08:30:13.341 INFO [stderr] 
Dec 04 08:30:13.359 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:30:13.359 INFO [stderr]   --> src/main.rs:45:13
Dec 04 08:30:13.359 INFO [stderr]    |
Dec 04 08:30:13.360 INFO [stderr] 45 |         let mut g = Grid::default();
Dec 04 08:30:13.360 INFO [stderr]    |             ----^
Dec 04 08:30:13.360 INFO [stderr]    |             |
Dec 04 08:30:13.360 INFO [stderr]    |             help: remove this `mut`
Dec 04 08:30:13.361 INFO [stderr]    |
Dec 04 08:30:13.361 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 08:30:13.361 INFO [stderr] 
Dec 04 08:30:13.403 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:30:13.403 INFO [stderr]    --> src/main.rs:110:9
Dec 04 08:30:13.404 INFO [stderr]     |
Dec 04 08:30:13.404 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 04 08:30:13.404 INFO [stderr]     |         ----^^^
Dec 04 08:30:13.404 INFO [stderr]     |         |
Dec 04 08:30:13.405 INFO [stderr]     |         help: remove this `mut`
Dec 04 08:30:13.405 INFO [stderr] 
Dec 04 08:30:13.405 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:30:13.405 INFO [stderr]    --> src/main.rs:115:13
Dec 04 08:30:13.406 INFO [stderr]     |
Dec 04 08:30:13.406 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 04 08:30:13.406 INFO [stderr]     |             ----^
Dec 04 08:30:13.407 INFO [stderr]     |             |
Dec 04 08:30:13.407 INFO [stderr]     |             help: remove this `mut`
Dec 04 08:30:13.407 INFO [stderr] 
Dec 04 08:30:13.407 INFO [stderr] warning: constant `max` should have an upper case name such as `MAX`
Dec 04 08:30:13.408 INFO [stderr]  --> src/main.rs:9:1
Dec 04 08:30:13.408 INFO [stderr]   |
Dec 04 08:30:13.408 INFO [stderr] 9 | const max: u32 = 128;
Dec 04 08:30:13.408 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:30:13.409 INFO [stderr]   |
Dec 04 08:30:13.409 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Dec 04 08:30:13.409 INFO [stderr] 
Dec 04 08:30:13.445 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
Dec 04 08:30:13.448 INFO [stderr] su: No module specific data is present
Dec 04 08:30:15.116 INFO running `"docker" "inspect" "716cb35ad754b740a022d5b204b00248e60d5718545f37b262268fb333b80fbb"`
Dec 04 08:30:15.478 INFO running `"docker" "rm" "-f" "716cb35ad754b740a022d5b204b00248e60d5718545f37b262268fb333b80fbb"`
Dec 04 08:30:15.892 INFO [stdout] 716cb35ad754b740a022d5b204b00248e60d5718545f37b262268fb333b80fbb