[INFO] cloning repository https://github.com/sajahe/cellular-automata-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sajahe/cellular-automata-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsajahe%2Fcellular-automata-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsajahe%2Fcellular-automata-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2fe18bb4ef63f9b006215605ff7a4cf8b7f50c64 [INFO] checking sajahe/cellular-automata-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsajahe%2Fcellular-automata-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sajahe/cellular-automata-rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sajahe/cellular-automata-rust [INFO] finished tweaking git repo https://github.com/sajahe/cellular-automata-rust [INFO] tweaked toml for git repo https://github.com/sajahe/cellular-automata-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sajahe/cellular-automata-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand v0.3.22 [INFO] [stderr] Downloaded generic-array v0.3.2 [INFO] [stderr] Downloaded num-integer v0.1.38 [INFO] [stderr] Downloaded bit-array v0.4.4 [INFO] [stderr] Downloaded rand v0.5.2 [INFO] [stderr] Downloaded sdl2-sys v0.31.0 [INFO] [stderr] Downloaded num-traits v0.2.4 [INFO] [stderr] Downloaded sdl2 v0.31.0 [INFO] [stderr] Downloaded winapi v0.3.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 26c6bb41f5416fb9a93a772ef9b9a034298654452d65f31b1c1a6a4a0201c866 [INFO] running `Command { std: "docker" "start" "-a" "26c6bb41f5416fb9a93a772ef9b9a034298654452d65f31b1c1a6a4a0201c866", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "26c6bb41f5416fb9a93a772ef9b9a034298654452d65f31b1c1a6a4a0201c866", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26c6bb41f5416fb9a93a772ef9b9a034298654452d65f31b1c1a6a4a0201c866", kill_on_drop: false }` [INFO] [stdout] 26c6bb41f5416fb9a93a772ef9b9a034298654452d65f31b1c1a6a4a0201c866 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fffdc56bd75ca90c16419a920c58ef53d38dc6a13c065ee84675cfa975d298c1 [INFO] running `Command { std: "docker" "start" "-a" "fffdc56bd75ca90c16419a920c58ef53d38dc6a13c065ee84675cfa975d298c1", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Compiling num-integer v0.1.38 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling sdl2-sys v0.31.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking deflate v0.7.18 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Checking inflate v0.4.2 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking gif v0.10.0 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking generic-array v0.3.2 [INFO] [stderr] Checking rand v0.5.2 [INFO] [stderr] Checking sdl2 v0.31.0 [INFO] [stderr] Checking bit-array v0.4.4 [INFO] [stderr] Compiling num-derive v0.2.2 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking image v0.19.0 [INFO] [stderr] Checking cellular_automata v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> tests/rules.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/game_of_life.rs:365:101 [INFO] [stdout] | [INFO] [stdout] 365 | let mut previous_gen_hash:super::HashMap = super::HashMap::new();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/elementary.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | for i in 0..dx/2{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `change_alive` is never used [INFO] [stdout] --> src/game_of_life.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl CellCoordinates{ [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] 16 | fn change_alive(&mut self,alive: bool) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `change_alive` is never used [INFO] [stdout] --> src/game_of_life.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 30 | impl Cell{ [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 31 | fn change_alive(&mut self,alive: bool) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `count_neighbors_from_hashmap` is never used [INFO] [stdout] --> src/game_of_life.rs:64:4 [INFO] [stdout] | [INFO] [stdout] 64 | fn count_neighbors_from_hashmap(cells:&HashMap, x: u32, y: u32 ) -> u16{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_next_generation_concurrent_hash` is never used [INFO] [stdout] --> src/game_of_life.rs:179:8 [INFO] [stdout] | [INFO] [stdout] 179 | pub fn create_next_generation_concurrent_hash(previous_gen: &HashMap, rule: &LifeRule) -> HashMap { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `create_next_generation` is never used [INFO] [stdout] --> src/game_of_life.rs:262:8 [INFO] [stdout] | [INFO] [stdout] 262 | pub fn create_next_generation(previous_gen: &Vec, rule: &LifeRule) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Setup` is never constructed [INFO] [stdout] --> src/setup.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Setup { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/game_of_life.rs:101:26 [INFO] [stdout] | [INFO] [stdout] 101 | for chunk in data_clone.chunks(200).nth(k) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 101 | while let Some(chunk) = data_clone.chunks(200).nth(k) [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 101 | if let Some(chunk) = data_clone.chunks(200).nth(k) [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/elementary.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | for i in 0..dx/2{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/game_of_life.rs:375:20 [INFO] [stdout] | [INFO] [stdout] 375 | for (key, value) in comparison_con_hash { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `change_alive` is never used [INFO] [stdout] --> src/game_of_life.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl CellCoordinates{ [INFO] [stdout] | -------------------- method in this implementation [INFO] [stdout] 16 | fn change_alive(&mut self,alive: bool) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `change_alive` is never used [INFO] [stdout] --> src/game_of_life.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 30 | impl Cell{ [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 31 | fn change_alive(&mut self,alive: bool) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Setup` is never constructed [INFO] [stdout] --> src/setup.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Setup { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/game_of_life.rs:101:26 [INFO] [stdout] | [INFO] [stdout] 101 | for chunk in data_clone.chunks(200).nth(k) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 101 | while let Some(chunk) = data_clone.chunks(200).nth(k) [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 101 | if let Some(chunk) = data_clone.chunks(200).nth(k) [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.69s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "fffdc56bd75ca90c16419a920c58ef53d38dc6a13c065ee84675cfa975d298c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fffdc56bd75ca90c16419a920c58ef53d38dc6a13c065ee84675cfa975d298c1", kill_on_drop: false }` [INFO] [stdout] fffdc56bd75ca90c16419a920c58ef53d38dc6a13c065ee84675cfa975d298c1