[INFO] cloning repository EinarSundgren/rust_gol
[INFO] running `"git" "clone" "--bare" "git://github.com/EinarSundgren/rust_gol.git" "work/cache/sources/gh/EinarSundgren/rust_gol"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/EinarSundgren/rust_gol'...
[INFO] running `"git" "clone" "work/cache/sources/gh/EinarSundgren/rust_gol" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/EinarSundgren/rust_gol"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/EinarSundgren/rust_gol'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/EinarSundgren/rust_gol" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/EinarSundgren/rust_gol"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/EinarSundgren/rust_gol'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5af38e7b3cf41c8d66f399af3ebf071503b9c965
[INFO] sha for GitHub repo EinarSundgren/rust_gol: 5af38e7b3cf41c8d66f399af3ebf071503b9c965
[INFO] validating manifest of EinarSundgren/rust_gol on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of EinarSundgren/rust_gol on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing EinarSundgren/rust_gol
[INFO] finished frobbing EinarSundgren/rust_gol
[INFO] frobbed toml for EinarSundgren/rust_gol written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/EinarSundgren/rust_gol/Cargo.toml
[INFO] started frobbing EinarSundgren/rust_gol
[INFO] finished frobbing EinarSundgren/rust_gol
[INFO] frobbed toml for EinarSundgren/rust_gol written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/EinarSundgren/rust_gol/Cargo.toml
[INFO] crate EinarSundgren/rust_gol already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing EinarSundgren/rust_gol against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/EinarSundgren/rust_gol:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 4eacb9fe4b09288b72404fceafbf1b4d1236cd6dd019e9def13bd8cbd8b9d665
[INFO] running `"docker" "start" "-a" "4eacb9fe4b09288b72404fceafbf1b4d1236cd6dd019e9def13bd8cbd8b9d665"`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling gol v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | for i in 1..10 {
[INFO] [stderr]    |     ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/main.rs:188:18
[INFO] [stderr]     |
[INFO] [stderr] 188 |     for (colnum, y) in x.iter().enumerate() {
[INFO] [stderr]     |                  ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item`
[INFO] [stderr]    --> src/main.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 | for (i, item) in board.iter().enumerate() {
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_item`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `i` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |     let mut i = 0;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> src/main.rs:228:17
[INFO] [stderr]     |
[INFO] [stderr] 228 |         for (y, val) in row.iter().enumerate() {
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |     let mut board = vec![vec![0u8; w]; h];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:212:29
[INFO] [stderr]     |
[INFO] [stderr] 212 |                         let mut chance = rng.gen_range(0.0, 100.0);
[INFO] [stderr]     |                             ----^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `initiate_board`
[INFO] [stderr]    --> src/main.rs:207:1
[INFO] [stderr]     |
[INFO] [stderr] 207 | fn initiate_board(mut board: Vec<Vec<u8>>, chance_of_life:f64) -> Vec<Vec<u8>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.95s
[INFO] running `"docker" "inspect" "4eacb9fe4b09288b72404fceafbf1b4d1236cd6dd019e9def13bd8cbd8b9d665"`
[INFO] running `"docker" "rm" "-f" "4eacb9fe4b09288b72404fceafbf1b4d1236cd6dd019e9def13bd8cbd8b9d665"`
[INFO] [stdout] 4eacb9fe4b09288b72404fceafbf1b4d1236cd6dd019e9def13bd8cbd8b9d665
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/EinarSundgren/rust_gol:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 143fec48b69a3b061d70437b144636320364cb872dfd2299a93caf4501a1756b
[INFO] running `"docker" "start" "-a" "143fec48b69a3b061d70437b144636320364cb872dfd2299a93caf4501a1756b"`
[INFO] [stderr]    Compiling gol v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | for i in 1..10 {
[INFO] [stderr]    |     ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/main.rs:188:18
[INFO] [stderr]     |
[INFO] [stderr] 188 |     for (colnum, y) in x.iter().enumerate() {
[INFO] [stderr]     |                  ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item`
[INFO] [stderr]    --> src/main.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 | for (i, item) in board.iter().enumerate() {
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_item`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `i` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |     let mut i = 0;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> src/main.rs:228:17
[INFO] [stderr]     |
[INFO] [stderr] 228 |         for (y, val) in row.iter().enumerate() {
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:34:6
[INFO] [stderr]    |
[INFO] [stderr] 34 | for (i, x) in board.iter_mut().enumerate() {
[INFO] [stderr]    |      ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/main.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 |     for (j, y) in x.iter_mut().enumerate() {
[INFO] [stderr]    |          ^ help: consider prefixing with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:42:6
[INFO] [stderr]    |
[INFO] [stderr] 42 | for (i, x) in board.iter().enumerate() {
[INFO] [stderr]    |      ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/main.rs:43:10
[INFO] [stderr]    |
[INFO] [stderr] 43 |     for (j, mut y) in x.iter().enumerate() {
[INFO] [stderr]    |          ^ help: consider prefixing with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |     for (j, mut y) in x.iter().enumerate() {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |     let mut board = vec![vec![0u8; w]; h];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:212:29
[INFO] [stderr]     |
[INFO] [stderr] 212 |                         let mut chance = rng.gen_range(0.0, 100.0);
[INFO] [stderr]     |                             ----^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `initiate_board`
[INFO] [stderr]    --> src/main.rs:207:1
[INFO] [stderr]     |
[INFO] [stderr] 207 | fn initiate_board(mut board: Vec<Vec<u8>>, chance_of_life:f64) -> Vec<Vec<u8>> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "143fec48b69a3b061d70437b144636320364cb872dfd2299a93caf4501a1756b"`
[INFO] running `"docker" "rm" "-f" "143fec48b69a3b061d70437b144636320364cb872dfd2299a93caf4501a1756b"`
[INFO] [stdout] 143fec48b69a3b061d70437b144636320364cb872dfd2299a93caf4501a1756b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/EinarSundgren/rust_gol:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 989413f3b2ac082754fac8d7833781effa104fd53a9a4ad66c14004b220566af
[INFO] running `"docker" "start" "-a" "989413f3b2ac082754fac8d7833781effa104fd53a9a4ad66c14004b220566af"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gol-953457abb911f15d
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test dead_cell_checking ... ok
[INFO] [stdout] test alive_cell_checking ... ok
[INFO] [stdout] test board_creation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "989413f3b2ac082754fac8d7833781effa104fd53a9a4ad66c14004b220566af"`
[INFO] running `"docker" "rm" "-f" "989413f3b2ac082754fac8d7833781effa104fd53a9a4ad66c14004b220566af"`
[INFO] [stdout] 989413f3b2ac082754fac8d7833781effa104fd53a9a4ad66c14004b220566af