[INFO] cloning repository robinwhittleton/life_rs [INFO] running `"git" "clone" "--bare" "git://github.com/robinwhittleton/life_rs.git" "work/cache/sources/gh/robinwhittleton/life_rs"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/robinwhittleton/life_rs'... [INFO] running `"git" "clone" "work/cache/sources/gh/robinwhittleton/life_rs" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/robinwhittleton/life_rs"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/robinwhittleton/life_rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/robinwhittleton/life_rs" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/robinwhittleton/life_rs"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/robinwhittleton/life_rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d41847ab1e12b20bbf2ca21a330ce33eae987b10 [INFO] sha for GitHub repo robinwhittleton/life_rs: d41847ab1e12b20bbf2ca21a330ce33eae987b10 [INFO] validating manifest of robinwhittleton/life_rs on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of robinwhittleton/life_rs on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing robinwhittleton/life_rs [INFO] finished frobbing robinwhittleton/life_rs [INFO] frobbed toml for robinwhittleton/life_rs written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/robinwhittleton/life_rs/Cargo.toml [INFO] started frobbing robinwhittleton/life_rs [INFO] finished frobbing robinwhittleton/life_rs [INFO] frobbed toml for robinwhittleton/life_rs written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/robinwhittleton/life_rs/Cargo.toml [INFO] crate robinwhittleton/life_rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/robinwhittleton/life_rs/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking robinwhittleton/life_rs against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/robinwhittleton/life_rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 553a90de6347d103d8f2eab1cb8d3b83ec271688153f57f25beb5f367f4bc6aa [INFO] running `"docker" "start" "-a" "553a90de6347d103d8f2eab1cb8d3b83ec271688153f57f25beb5f367f4bc6aa"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking draw_state v0.4.0 [INFO] [stderr] Checking pistoncore-input v0.10.0 [INFO] [stderr] Compiling gfx_gl v0.3.1 [INFO] [stderr] Checking gfx_core v0.2.1 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking rusttype v0.2.3 [INFO] [stderr] Checking pistoncore-window v0.17.0 [INFO] [stderr] Checking pistoncore-event_loop v0.20.1 [INFO] [stderr] Checking pistoncore-glutin_window v0.24.0 [INFO] [stderr] Checking piston v0.20.1 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking rayon-core v1.5.0 [INFO] [stderr] warning[E0311]: the parameter type `K` may not live long enough [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19 [INFO] [stderr] | [INFO] [stderr] 81 | match node.force() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding an explicit lifetime bound for `K` [INFO] [stderr] note: the parameter type `K` must be valid for the anonymous lifetime #1 defined on the function body at 77:9... [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | / fn clone_subtree( [INFO] [stderr] 78 | | node: node::NodeRef) [INFO] [stderr] 79 | | -> BTreeMap { [INFO] [stderr] 80 | | [INFO] [stderr] ... | [INFO] [stderr] 136| | } [INFO] [stderr] 137| | } [INFO] [stderr] | |_________^ [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0311]: the parameter type `V` may not live long enough [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19 [INFO] [stderr] | [INFO] [stderr] 81 | match node.force() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding an explicit lifetime bound for `V` [INFO] [stderr] note: the parameter type `V` must be valid for the anonymous lifetime #1 defined on the function body at 77:9... [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | / fn clone_subtree( [INFO] [stderr] 78 | | node: node::NodeRef) [INFO] [stderr] 79 | | -> BTreeMap { [INFO] [stderr] 80 | | [INFO] [stderr] ... | [INFO] [stderr] 136| | } [INFO] [stderr] 137| | } [INFO] [stderr] | |_________^ [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking image v0.9.1 [INFO] [stderr] Checking gfx v0.10.2 [INFO] [stderr] Checking gfx_device_gl v0.9.0 [INFO] [stderr] Checking piston-gfx_texture v0.14.0 [INFO] [stderr] Checking piston2d-gfx_graphics v0.27.0 [INFO] [stderr] Checking piston_window v0.44.0 [INFO] [stderr] Checking life_rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `field_buffer` [INFO] [stderr] --> src/main.rs:18:11 [INFO] [stderr] | [INFO] [stderr] 18 | let mut field_buffer: [bool; TOTAL_CELLS] = [false; TOTAL_CELLS]; [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_field_buffer` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `field` [INFO] [stderr] --> src/main.rs:34:66 [INFO] [stderr] | [INFO] [stderr] 34 | fn draw(window: &mut PistonWindow, event: &piston_window::Event, field: &[bool]) { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_field` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:18:7 [INFO] [stderr] | [INFO] [stderr] 18 | let mut field_buffer: [bool; TOTAL_CELLS] = [false; TOTAL_CELLS]; [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: unused variable: `field_buffer` [INFO] [stderr] --> src/main.rs:18:11 [INFO] [stderr] | [INFO] [stderr] 18 | let mut field_buffer: [bool; TOTAL_CELLS] = [false; TOTAL_CELLS]; [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_field_buffer` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `field` [INFO] [stderr] --> src/main.rs:34:66 [INFO] [stderr] | [INFO] [stderr] 34 | fn draw(window: &mut PistonWindow, event: &piston_window::Event, field: &[bool]) { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_field` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:18:7 [INFO] [stderr] | [INFO] [stderr] 18 | let mut field_buffer: [bool; TOTAL_CELLS] = [false; TOTAL_CELLS]; [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] Finished dev [unoptimized + debuginfo] target(s) in 45.08s [INFO] running `"docker" "inspect" "553a90de6347d103d8f2eab1cb8d3b83ec271688153f57f25beb5f367f4bc6aa"` [INFO] running `"docker" "rm" "-f" "553a90de6347d103d8f2eab1cb8d3b83ec271688153f57f25beb5f367f4bc6aa"` [INFO] [stdout] 553a90de6347d103d8f2eab1cb8d3b83ec271688153f57f25beb5f367f4bc6aa