Dec 04 08:30:00.197 INFO checking tiziano88/xyz against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 08:30:00.197 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 08:30:00.791 INFO [stdout] fe12e5ae38d0bdda791b14b382f6267bc2d67d6bb82b7a7a5831fe6c846e4e3f
Dec 04 08:30:00.793 INFO running `"docker" "start" "-a" "fe12e5ae38d0bdda791b14b382f6267bc2d67d6bb82b7a7a5831fe6c846e4e3f"`
Dec 04 08:30:03.223 INFO [stderr] usermod: no changes
Dec 04 08:30:03.280 INFO [stderr]     Checking termion v1.1.4
Dec 04 08:30:03.288 INFO [stderr]     Checking rand v0.3.15
Dec 04 08:30:05.141 INFO [stderr]     Checking xyz v0.1.0 (/source)
Dec 04 08:30:05.500 INFO [stderr] warning: unused import: `rand::Rng`
Dec 04 08:30:05.500 INFO [stderr]  --> src/main.rs:7:5
Dec 04 08:30:05.500 INFO [stderr]   |
Dec 04 08:30:05.500 INFO [stderr] 7 | use rand::Rng;
Dec 04 08:30:05.500 INFO [stderr]   |     ^^^^^^^^^
Dec 04 08:30:05.500 INFO [stderr]   |
Dec 04 08:30:05.500 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 08:30:05.515 INFO [stderr] 
Dec 04 08:30:05.595 INFO [stderr] warning: unused import: `rand::Rng`
Dec 04 08:30:05.595 INFO [stderr]  --> src/main.rs:7:5
Dec 04 08:30:05.595 INFO [stderr]   |
Dec 04 08:30:05.595 INFO [stderr] 7 | use rand::Rng;
Dec 04 08:30:05.595 INFO [stderr]   |     ^^^^^^^^^
Dec 04 08:30:05.595 INFO [stderr]   |
Dec 04 08:30:05.595 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 08:30:05.595 INFO [stderr] 
Dec 04 08:30:05.629 INFO [stderr] warning: unused variable: `rng`
Dec 04 08:30:05.629 INFO [stderr]    --> src/main.rs:110:13
Dec 04 08:30:05.629 INFO [stderr]     |
Dec 04 08:30:05.629 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 04 08:30:05.629 INFO [stderr]     |             ^^^ help: consider using `_rng` instead
Dec 04 08:30:05.629 INFO [stderr]     |
Dec 04 08:30:05.635 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 08:30:05.635 INFO [stderr] 
Dec 04 08:30:05.635 INFO [stderr] warning: unused variable: `s`
Dec 04 08:30:05.635 INFO [stderr]    --> src/main.rs:115:17
Dec 04 08:30:05.635 INFO [stderr]     |
Dec 04 08:30:05.635 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 04 08:30:05.635 INFO [stderr]     |                 ^ help: consider using `_s` instead
Dec 04 08:30:05.635 INFO [stderr] 
Dec 04 08:30:05.635 INFO [stderr] warning: variable `v` is assigned to, but never used
Dec 04 08:30:05.636 INFO [stderr]   --> src/main.rs:61:25
Dec 04 08:30:05.636 INFO [stderr]    |
Dec 04 08:30:05.636 INFO [stderr] 61 |                 let mut v = self.grid[x][y];
Dec 04 08:30:05.636 INFO [stderr]    |                         ^
Dec 04 08:30:05.636 INFO [stderr]    |
Dec 04 08:30:05.636 INFO [stderr]    = note: consider using `_v` instead
Dec 04 08:30:05.636 INFO [stderr] 
Dec 04 08:30:05.648 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:30:05.648 INFO [stderr]   --> src/main.rs:45:13
Dec 04 08:30:05.648 INFO [stderr]    |
Dec 04 08:30:05.648 INFO [stderr] 45 |         let mut g = Grid::default();
Dec 04 08:30:05.648 INFO [stderr]    |             ----^
Dec 04 08:30:05.648 INFO [stderr]    |             |
Dec 04 08:30:05.648 INFO [stderr]    |             help: remove this `mut`
Dec 04 08:30:05.648 INFO [stderr]    |
Dec 04 08:30:05.648 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 08:30:05.648 INFO [stderr] 
Dec 04 08:30:05.671 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:30:05.671 INFO [stderr]    --> src/main.rs:110:9
Dec 04 08:30:05.671 INFO [stderr]     |
Dec 04 08:30:05.671 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 04 08:30:05.671 INFO [stderr]     |         ----^^^
Dec 04 08:30:05.671 INFO [stderr]     |         |
Dec 04 08:30:05.671 INFO [stderr]     |         help: remove this `mut`
Dec 04 08:30:05.671 INFO [stderr] 
Dec 04 08:30:05.671 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:30:05.671 INFO [stderr]    --> src/main.rs:115:13
Dec 04 08:30:05.671 INFO [stderr]     |
Dec 04 08:30:05.671 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 04 08:30:05.671 INFO [stderr]     |             ----^
Dec 04 08:30:05.671 INFO [stderr]     |             |
Dec 04 08:30:05.671 INFO [stderr]     |             help: remove this `mut`
Dec 04 08:30:05.671 INFO [stderr] 
Dec 04 08:30:05.672 INFO [stderr] warning: constant `max` should have an upper case name such as `MAX`
Dec 04 08:30:05.672 INFO [stderr]  --> src/main.rs:9:1
Dec 04 08:30:05.672 INFO [stderr]   |
Dec 04 08:30:05.672 INFO [stderr] 9 | const max: u32 = 128;
Dec 04 08:30:05.672 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:30:05.672 INFO [stderr]   |
Dec 04 08:30:05.672 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Dec 04 08:30:05.672 INFO [stderr] 
Dec 04 08:30:05.758 INFO [stderr] warning: unused variable: `rng`
Dec 04 08:30:05.758 INFO [stderr]    --> src/main.rs:110:13
Dec 04 08:30:05.758 INFO [stderr]     |
Dec 04 08:30:05.759 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 04 08:30:05.759 INFO [stderr]     |             ^^^ help: consider using `_rng` instead
Dec 04 08:30:05.759 INFO [stderr]     |
Dec 04 08:30:05.759 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 08:30:05.759 INFO [stderr] 
Dec 04 08:30:05.759 INFO [stderr] warning: unused variable: `s`
Dec 04 08:30:05.759 INFO [stderr]    --> src/main.rs:115:17
Dec 04 08:30:05.759 INFO [stderr]     |
Dec 04 08:30:05.759 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 04 08:30:05.759 INFO [stderr]     |                 ^ help: consider using `_s` instead
Dec 04 08:30:05.759 INFO [stderr] 
Dec 04 08:30:05.763 INFO [stderr] warning: variable `v` is assigned to, but never used
Dec 04 08:30:05.763 INFO [stderr]   --> src/main.rs:61:25
Dec 04 08:30:05.763 INFO [stderr]    |
Dec 04 08:30:05.763 INFO [stderr] 61 |                 let mut v = self.grid[x][y];
Dec 04 08:30:05.763 INFO [stderr]    |                         ^
Dec 04 08:30:05.763 INFO [stderr]    |
Dec 04 08:30:05.763 INFO [stderr]    = note: consider using `_v` instead
Dec 04 08:30:05.763 INFO [stderr] 
Dec 04 08:30:05.783 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:30:05.783 INFO [stderr]   --> src/main.rs:45:13
Dec 04 08:30:05.784 INFO [stderr]    |
Dec 04 08:30:05.784 INFO [stderr] 45 |         let mut g = Grid::default();
Dec 04 08:30:05.784 INFO [stderr]    |             ----^
Dec 04 08:30:05.784 INFO [stderr]    |             |
Dec 04 08:30:05.784 INFO [stderr]    |             help: remove this `mut`
Dec 04 08:30:05.784 INFO [stderr]    |
Dec 04 08:30:05.784 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 08:30:05.784 INFO [stderr] 
Dec 04 08:30:05.797 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:30:05.797 INFO [stderr]    --> src/main.rs:110:9
Dec 04 08:30:05.797 INFO [stderr]     |
Dec 04 08:30:05.797 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 04 08:30:05.797 INFO [stderr]     |         ----^^^
Dec 04 08:30:05.797 INFO [stderr]     |         |
Dec 04 08:30:05.797 INFO [stderr]     |         help: remove this `mut`
Dec 04 08:30:05.797 INFO [stderr] 
Dec 04 08:30:05.797 INFO [stderr] warning: variable does not need to be mutable
Dec 04 08:30:05.797 INFO [stderr]    --> src/main.rs:115:13
Dec 04 08:30:05.797 INFO [stderr]     |
Dec 04 08:30:05.797 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 04 08:30:05.797 INFO [stderr]     |             ----^
Dec 04 08:30:05.797 INFO [stderr]     |             |
Dec 04 08:30:05.797 INFO [stderr]     |             help: remove this `mut`
Dec 04 08:30:05.798 INFO [stderr] 
Dec 04 08:30:05.798 INFO [stderr] warning: constant `max` should have an upper case name such as `MAX`
Dec 04 08:30:05.798 INFO [stderr]  --> src/main.rs:9:1
Dec 04 08:30:05.798 INFO [stderr]   |
Dec 04 08:30:05.798 INFO [stderr] 9 | const max: u32 = 128;
Dec 04 08:30:05.798 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 04 08:30:05.798 INFO [stderr]   |
Dec 04 08:30:05.798 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Dec 04 08:30:05.798 INFO [stderr] 
Dec 04 08:30:05.835 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
Dec 04 08:30:05.838 INFO [stderr] su: No module specific data is present
Dec 04 08:30:07.726 INFO running `"docker" "inspect" "fe12e5ae38d0bdda791b14b382f6267bc2d67d6bb82b7a7a5831fe6c846e4e3f"`
Dec 04 08:30:08.104 INFO running `"docker" "rm" "-f" "fe12e5ae38d0bdda791b14b382f6267bc2d67d6bb82b7a7a5831fe6c846e4e3f"`
Dec 04 08:30:08.515 INFO [stdout] fe12e5ae38d0bdda791b14b382f6267bc2d67d6bb82b7a7a5831fe6c846e4e3f