Dec 19 07:01:31.353 INFO checking tiziano88/xyz against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 07:01:31.353 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:01:31.892 INFO [stdout] f39daab3642a0065bfc280f6a49294d546c53249deabc39171c92f4b5b7e56c9
Dec 19 07:01:31.896 INFO running `"docker" "start" "-a" "f39daab3642a0065bfc280f6a49294d546c53249deabc39171c92f4b5b7e56c9"`
Dec 19 07:01:33.372 INFO [stderr]     Checking termion v1.1.4
Dec 19 07:01:34.144 INFO [stderr]     Checking xyz v0.1.0 (/opt/crater/workdir)
Dec 19 07:01:34.316 INFO [stderr] warning: unused import: `rand::Rng`
Dec 19 07:01:34.316 INFO [stderr]  --> src/main.rs:7:5
Dec 19 07:01:34.316 INFO [stderr]   |
Dec 19 07:01:34.316 INFO [stderr] 7 | use rand::Rng;
Dec 19 07:01:34.316 INFO [stderr]   |     ^^^^^^^^^
Dec 19 07:01:34.316 INFO [stderr]   |
Dec 19 07:01:34.316 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:01:34.316 INFO [stderr] 
Dec 19 07:01:34.329 INFO [stderr] warning: unused import: `rand::Rng`
Dec 19 07:01:34.329 INFO [stderr]  --> src/main.rs:7:5
Dec 19 07:01:34.329 INFO [stderr]   |
Dec 19 07:01:34.329 INFO [stderr] 7 | use rand::Rng;
Dec 19 07:01:34.329 INFO [stderr]   |     ^^^^^^^^^
Dec 19 07:01:34.329 INFO [stderr]   |
Dec 19 07:01:34.329 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:01:34.329 INFO [stderr] 
Dec 19 07:01:34.416 INFO [stderr] warning: unused variable: `rng`
Dec 19 07:01:34.416 INFO [stderr]    --> src/main.rs:110:13
Dec 19 07:01:34.416 INFO [stderr]     |
Dec 19 07:01:34.416 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 19 07:01:34.416 INFO [stderr]     |             ^^^ help: consider using `_rng` instead
Dec 19 07:01:34.416 INFO [stderr]     |
Dec 19 07:01:34.416 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 07:01:34.416 INFO [stderr] 
Dec 19 07:01:34.416 INFO [stderr] warning: unused variable: `s`
Dec 19 07:01:34.416 INFO [stderr]    --> src/main.rs:115:17
Dec 19 07:01:34.416 INFO [stderr]     |
Dec 19 07:01:34.416 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 19 07:01:34.416 INFO [stderr]     |                 ^ help: consider using `_s` instead
Dec 19 07:01:34.416 INFO [stderr] 
Dec 19 07:01:34.416 INFO [stderr] warning: variable `v` is assigned to, but never used
Dec 19 07:01:34.416 INFO [stderr]   --> src/main.rs:61:25
Dec 19 07:01:34.416 INFO [stderr]    |
Dec 19 07:01:34.416 INFO [stderr] 61 |                 let mut v = self.grid[x][y];
Dec 19 07:01:34.416 INFO [stderr]    |                         ^
Dec 19 07:01:34.416 INFO [stderr]    |
Dec 19 07:01:34.417 INFO [stderr]    = note: consider using `_v` instead
Dec 19 07:01:34.417 INFO [stderr] 
Dec 19 07:01:34.417 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:01:34.417 INFO [stderr]   --> src/main.rs:45:13
Dec 19 07:01:34.417 INFO [stderr]    |
Dec 19 07:01:34.417 INFO [stderr] 45 |         let mut g = Grid::default();
Dec 19 07:01:34.417 INFO [stderr]    |             ----^
Dec 19 07:01:34.417 INFO [stderr]    |             |
Dec 19 07:01:34.417 INFO [stderr]    |             help: remove this `mut`
Dec 19 07:01:34.417 INFO [stderr]    |
Dec 19 07:01:34.417 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 07:01:34.417 INFO [stderr] 
Dec 19 07:01:34.440 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:01:34.440 INFO [stderr]    --> src/main.rs:110:9
Dec 19 07:01:34.440 INFO [stderr]     |
Dec 19 07:01:34.440 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 19 07:01:34.440 INFO [stderr]     |         ----^^^
Dec 19 07:01:34.440 INFO [stderr]     |         |
Dec 19 07:01:34.440 INFO [stderr]     |         help: remove this `mut`
Dec 19 07:01:34.440 INFO [stderr] 
Dec 19 07:01:34.440 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:01:34.440 INFO [stderr]    --> src/main.rs:115:13
Dec 19 07:01:34.440 INFO [stderr]     |
Dec 19 07:01:34.440 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 19 07:01:34.440 INFO [stderr]     |             ----^
Dec 19 07:01:34.440 INFO [stderr]     |             |
Dec 19 07:01:34.440 INFO [stderr]     |             help: remove this `mut`
Dec 19 07:01:34.440 INFO [stderr] 
Dec 19 07:01:34.440 INFO [stderr] warning: constant `max` should have an upper case name such as `MAX`
Dec 19 07:01:34.440 INFO [stderr]  --> src/main.rs:9:1
Dec 19 07:01:34.440 INFO [stderr]   |
Dec 19 07:01:34.440 INFO [stderr] 9 | const max: u32 = 128;
Dec 19 07:01:34.441 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:01:34.441 INFO [stderr]   |
Dec 19 07:01:34.441 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Dec 19 07:01:34.441 INFO [stderr] 
Dec 19 07:01:34.452 INFO [stderr] warning: unused variable: `rng`
Dec 19 07:01:34.452 INFO [stderr]    --> src/main.rs:110:13
Dec 19 07:01:34.452 INFO [stderr]     |
Dec 19 07:01:34.452 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 19 07:01:34.452 INFO [stderr]     |             ^^^ help: consider using `_rng` instead
Dec 19 07:01:34.452 INFO [stderr]     |
Dec 19 07:01:34.452 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 07:01:34.452 INFO [stderr] 
Dec 19 07:01:34.452 INFO [stderr] warning: unused variable: `s`
Dec 19 07:01:34.452 INFO [stderr]    --> src/main.rs:115:17
Dec 19 07:01:34.452 INFO [stderr]     |
Dec 19 07:01:34.452 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 19 07:01:34.452 INFO [stderr]     |                 ^ help: consider using `_s` instead
Dec 19 07:01:34.452 INFO [stderr] 
Dec 19 07:01:34.452 INFO [stderr] warning: variable `v` is assigned to, but never used
Dec 19 07:01:34.453 INFO [stderr]   --> src/main.rs:61:25
Dec 19 07:01:34.453 INFO [stderr]    |
Dec 19 07:01:34.453 INFO [stderr] 61 |                 let mut v = self.grid[x][y];
Dec 19 07:01:34.453 INFO [stderr]    |                         ^
Dec 19 07:01:34.453 INFO [stderr]    |
Dec 19 07:01:34.453 INFO [stderr]    = note: consider using `_v` instead
Dec 19 07:01:34.453 INFO [stderr] 
Dec 19 07:01:34.460 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:01:34.460 INFO [stderr]   --> src/main.rs:45:13
Dec 19 07:01:34.460 INFO [stderr]    |
Dec 19 07:01:34.460 INFO [stderr] 45 |         let mut g = Grid::default();
Dec 19 07:01:34.460 INFO [stderr]    |             ----^
Dec 19 07:01:34.460 INFO [stderr]    |             |
Dec 19 07:01:34.460 INFO [stderr]    |             help: remove this `mut`
Dec 19 07:01:34.460 INFO [stderr]    |
Dec 19 07:01:34.460 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 07:01:34.460 INFO [stderr] 
Dec 19 07:01:34.485 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:01:34.485 INFO [stderr]    --> src/main.rs:110:9
Dec 19 07:01:34.485 INFO [stderr]     |
Dec 19 07:01:34.486 INFO [stderr] 110 |     let mut rng = thread_rng();
Dec 19 07:01:34.486 INFO [stderr]     |         ----^^^
Dec 19 07:01:34.486 INFO [stderr]     |         |
Dec 19 07:01:34.486 INFO [stderr]     |         help: remove this `mut`
Dec 19 07:01:34.486 INFO [stderr] 
Dec 19 07:01:34.486 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:01:34.486 INFO [stderr]    --> src/main.rs:115:13
Dec 19 07:01:34.486 INFO [stderr]     |
Dec 19 07:01:34.486 INFO [stderr] 115 |         let mut s = "".to_string();
Dec 19 07:01:34.486 INFO [stderr]     |             ----^
Dec 19 07:01:34.486 INFO [stderr]     |             |
Dec 19 07:01:34.486 INFO [stderr]     |             help: remove this `mut`
Dec 19 07:01:34.486 INFO [stderr] 
Dec 19 07:01:34.486 INFO [stderr] warning: constant `max` should have an upper case name such as `MAX`
Dec 19 07:01:34.486 INFO [stderr]  --> src/main.rs:9:1
Dec 19 07:01:34.486 INFO [stderr]   |
Dec 19 07:01:34.486 INFO [stderr] 9 | const max: u32 = 128;
Dec 19 07:01:34.486 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:01:34.486 INFO [stderr]   |
Dec 19 07:01:34.486 INFO [stderr]   = note: #[warn(non_upper_case_globals)] on by default
Dec 19 07:01:34.486 INFO [stderr] 
Dec 19 07:01:34.525 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
Dec 19 07:01:35.228 INFO running `"docker" "inspect" "f39daab3642a0065bfc280f6a49294d546c53249deabc39171c92f4b5b7e56c9"`
Dec 19 07:01:35.555 INFO running `"docker" "rm" "-f" "f39daab3642a0065bfc280f6a49294d546c53249deabc39171c92f4b5b7e56c9"`
Dec 19 07:01:35.822 INFO [stdout] f39daab3642a0065bfc280f6a49294d546c53249deabc39171c92f4b5b7e56c9