Dec 17 13:31:34.521 INFO checking tiziano88/xyz against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 13:31:34.521 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/tiziano88/xyz:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:31:35.088 INFO [stdout] 3edb8725db9f7ac02be50df46d8f4417713363f8347a8ab122af4fb30e622672
Dec 17 13:31:35.096 INFO running `"docker" "start" "-a" "3edb8725db9f7ac02be50df46d8f4417713363f8347a8ab122af4fb30e622672"`
Dec 17 13:31:36.844 INFO [stderr]     Checking termion v1.1.4
Dec 17 13:31:37.592 INFO [stderr]     Checking xyz v0.1.0 (/opt/crater/workdir)
Dec 17 13:31:37.734 INFO [stderr] warning: unused import: `rand::Rng`
Dec 17 13:31:37.734 INFO [stderr]  --> src/main.rs:7:5
Dec 17 13:31:37.734 INFO [stderr]   |
Dec 17 13:31:37.734 INFO [stderr] 7 | use rand::Rng;
Dec 17 13:31:37.734 INFO [stderr]   |     ^^^^^^^^^
Dec 17 13:31:37.734 INFO [stderr]   |
Dec 17 13:31:37.734 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 13:31:37.734 INFO [stderr] 
Dec 17 13:31:37.764 INFO [stderr] warning: unused import: `rand::Rng`
Dec 17 13:31:37.764 INFO [stderr]  --> src/main.rs:7:5
Dec 17 13:31:37.764 INFO [stderr]   |
Dec 17 13:31:37.764 INFO [stderr] 7 | use rand::Rng;
Dec 17 13:31:37.764 INFO [stderr]   |     ^^^^^^^^^
Dec 17 13:31:37.764 INFO [stderr]   |
Dec 17 13:31:37.764 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 13:31:37.764 INFO [stderr] 
Dec 17 13:31:37.848 INFO [stderr] warning: unused variable: `rng`
Dec 17 13:31:37.848 INFO [stderr]    --> src/main.rs:110:13
Dec 17 13:31:37.848 INFO [stderr]     |
Dec 17 13:31:37.848 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 17 13:31:37.848 INFO [stderr]     |             ^^^ help: consider using `_rng` instead
Dec 17 13:31:37.848 INFO [stderr]     |
Dec 17 13:31:37.848 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 13:31:37.848 INFO [stderr] 
Dec 17 13:31:37.848 INFO [stderr] warning: unused variable: `s`
Dec 17 13:31:37.848 INFO [stderr]    --> src/main.rs:115:17
Dec 17 13:31:37.848 INFO [stderr]     |
Dec 17 13:31:37.848 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 17 13:31:37.848 INFO [stderr]     |                 ^ help: consider using `_s` instead
Dec 17 13:31:37.848 INFO [stderr] 
Dec 17 13:31:37.848 INFO [stderr] warning: variable `v` is assigned to, but never used
Dec 17 13:31:37.848 INFO [stderr]   --> src/main.rs:61:25
Dec 17 13:31:37.848 INFO [stderr]    |
Dec 17 13:31:37.848 INFO [stderr] 61 |                 let mut v = self.grid[x][y];
Dec 17 13:31:37.848 INFO [stderr]    |                         ^
Dec 17 13:31:37.848 INFO [stderr]    |
Dec 17 13:31:37.848 INFO [stderr]    = note: consider using `_v` instead
Dec 17 13:31:37.848 INFO [stderr] 
Dec 17 13:31:37.852 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:31:37.852 INFO [stderr]   --> src/main.rs:45:13
Dec 17 13:31:37.852 INFO [stderr]    |
Dec 17 13:31:37.852 INFO [stderr] 45 |         let mut g = Grid::default();
Dec 17 13:31:37.852 INFO [stderr]    |             ----^
Dec 17 13:31:37.852 INFO [stderr]    |             |
Dec 17 13:31:37.852 INFO [stderr]    |             help: remove this `mut`
Dec 17 13:31:37.852 INFO [stderr]    |
Dec 17 13:31:37.852 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 13:31:37.852 INFO [stderr] 
Dec 17 13:31:37.867 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:31:37.867 INFO [stderr]    --> src/main.rs:110:9
Dec 17 13:31:37.867 INFO [stderr]     |
Dec 17 13:31:37.867 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 17 13:31:37.867 INFO [stderr]     |         ----^^^
Dec 17 13:31:37.867 INFO [stderr]     |         |
Dec 17 13:31:37.867 INFO [stderr]     |         help: remove this `mut`
Dec 17 13:31:37.867 INFO [stderr] 
Dec 17 13:31:37.867 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:31:37.867 INFO [stderr]    --> src/main.rs:115:13
Dec 17 13:31:37.867 INFO [stderr]     |
Dec 17 13:31:37.867 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 17 13:31:37.867 INFO [stderr]     |             ----^
Dec 17 13:31:37.867 INFO [stderr]     |             |
Dec 17 13:31:37.867 INFO [stderr]     |             help: remove this `mut`
Dec 17 13:31:37.867 INFO [stderr] 
Dec 17 13:31:37.867 INFO [stderr] warning: constant `max` should have an upper case name such as `MAX`
Dec 17 13:31:37.867 INFO [stderr]  --> src/main.rs:9:1
Dec 17 13:31:37.867 INFO [stderr]   |
Dec 17 13:31:37.867 INFO [stderr] 9 | const max: u32 = 128;
Dec 17 13:31:37.867 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:31:37.867 INFO [stderr]   |
Dec 17 13:31:37.867 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Dec 17 13:31:37.867 INFO [stderr] 
Dec 17 13:31:37.872 INFO [stderr] warning: unused variable: `rng`
Dec 17 13:31:37.872 INFO [stderr]    --> src/main.rs:110:13
Dec 17 13:31:37.872 INFO [stderr]     |
Dec 17 13:31:37.872 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 17 13:31:37.872 INFO [stderr]     |             ^^^ help: consider using `_rng` instead
Dec 17 13:31:37.872 INFO [stderr]     |
Dec 17 13:31:37.872 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 13:31:37.872 INFO [stderr] 
Dec 17 13:31:37.872 INFO [stderr] warning: unused variable: `s`
Dec 17 13:31:37.872 INFO [stderr]    --> src/main.rs:115:17
Dec 17 13:31:37.872 INFO [stderr]     |
Dec 17 13:31:37.872 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 17 13:31:37.872 INFO [stderr]     |                 ^ help: consider using `_s` instead
Dec 17 13:31:37.872 INFO [stderr] 
Dec 17 13:31:37.872 INFO [stderr] warning: variable `v` is assigned to, but never used
Dec 17 13:31:37.872 INFO [stderr]   --> src/main.rs:61:25
Dec 17 13:31:37.872 INFO [stderr]    |
Dec 17 13:31:37.872 INFO [stderr] 61 |                 let mut v = self.grid[x][y];
Dec 17 13:31:37.872 INFO [stderr]    |                         ^
Dec 17 13:31:37.872 INFO [stderr]    |
Dec 17 13:31:37.872 INFO [stderr]    = note: consider using `_v` instead
Dec 17 13:31:37.872 INFO [stderr] 
Dec 17 13:31:37.892 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:31:37.892 INFO [stderr]   --> src/main.rs:45:13
Dec 17 13:31:37.892 INFO [stderr]    |
Dec 17 13:31:37.892 INFO [stderr] 45 |         let mut g = Grid::default();
Dec 17 13:31:37.892 INFO [stderr]    |             ----^
Dec 17 13:31:37.892 INFO [stderr]    |             |
Dec 17 13:31:37.892 INFO [stderr]    |             help: remove this `mut`
Dec 17 13:31:37.892 INFO [stderr]    |
Dec 17 13:31:37.892 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 13:31:37.892 INFO [stderr] 
Dec 17 13:31:37.904 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:31:37.905 INFO [stderr]    --> src/main.rs:110:9
Dec 17 13:31:37.905 INFO [stderr]     |
Dec 17 13:31:37.905 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 17 13:31:37.905 INFO [stderr]     |         ----^^^
Dec 17 13:31:37.905 INFO [stderr]     |         |
Dec 17 13:31:37.905 INFO [stderr]     |         help: remove this `mut`
Dec 17 13:31:37.905 INFO [stderr] 
Dec 17 13:31:37.905 INFO [stderr] warning: variable does not need to be mutable
Dec 17 13:31:37.905 INFO [stderr]    --> src/main.rs:115:13
Dec 17 13:31:37.905 INFO [stderr]     |
Dec 17 13:31:37.905 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 17 13:31:37.905 INFO [stderr]     |             ----^
Dec 17 13:31:37.905 INFO [stderr]     |             |
Dec 17 13:31:37.905 INFO [stderr]     |             help: remove this `mut`
Dec 17 13:31:37.905 INFO [stderr] 
Dec 17 13:31:37.905 INFO [stderr] warning: constant `max` should have an upper case name such as `MAX`
Dec 17 13:31:37.905 INFO [stderr]  --> src/main.rs:9:1
Dec 17 13:31:37.905 INFO [stderr]   |
Dec 17 13:31:37.905 INFO [stderr] 9 | const max: u32 = 128;
Dec 17 13:31:37.905 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:31:37.905 INFO [stderr]   |
Dec 17 13:31:37.905 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Dec 17 13:31:37.905 INFO [stderr] 
Dec 17 13:31:37.924 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Dec 17 13:31:38.848 INFO running `"docker" "inspect" "3edb8725db9f7ac02be50df46d8f4417713363f8347a8ab122af4fb30e622672"`
Dec 17 13:31:39.082 INFO running `"docker" "rm" "-f" "3edb8725db9f7ac02be50df46d8f4417713363f8347a8ab122af4fb30e622672"`
Dec 17 13:31:39.404 INFO [stdout] 3edb8725db9f7ac02be50df46d8f4417713363f8347a8ab122af4fb30e622672