[INFO] updating cached repository EinarSundgren/rust_gol [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/EinarSundgren/rust_gol [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/EinarSundgren/rust_gol" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/EinarSundgren/rust_gol"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/EinarSundgren/rust_gol'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/EinarSundgren/rust_gol" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/EinarSundgren/rust_gol"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of EinarSundgren/rust_gol on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-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-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking EinarSundgren/rust_gol against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-6/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a3b6820976effcf07e28f79b6ff037c7571072ebcc92b251fd8ee2df921e47ef [INFO] running `"docker" "start" "-a" "a3b6820976effcf07e28f79b6ff037c7571072ebcc92b251fd8ee2df921e47ef"` [INFO] [stderr] Checking rand v0.6.1 [INFO] [stderr] Checking 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>, chance_of_life:f64) -> Vec> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [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>, chance_of_life:f64) -> Vec> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.94s [INFO] running `"docker" "inspect" "a3b6820976effcf07e28f79b6ff037c7571072ebcc92b251fd8ee2df921e47ef"` [INFO] running `"docker" "rm" "-f" "a3b6820976effcf07e28f79b6ff037c7571072ebcc92b251fd8ee2df921e47ef"` [INFO] [stdout] a3b6820976effcf07e28f79b6ff037c7571072ebcc92b251fd8ee2df921e47ef