[INFO] cloning repository https://github.com/tectrixer/neat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tectrixer/neat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftectrixer%2Fneat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftectrixer%2Fneat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7e038135772d8bac08da7794cc8b03f3137c331f [INFO] checking tectrixer/neat against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftectrixer%2Fneat" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tectrixer/neat 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/tectrixer/neat [INFO] finished tweaking git repo https://github.com/tectrixer/neat [INFO] tweaked toml for git repo https://github.com/tectrixer/neat written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tectrixer/neat 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 039fa2859b5b958ff9c35c9fe2c733fd98a9a82f77c6af4d672d07a59a3665e4 [INFO] running `Command { std: "docker" "start" "-a" "039fa2859b5b958ff9c35c9fe2c733fd98a9a82f77c6af4d672d07a59a3665e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "039fa2859b5b958ff9c35c9fe2c733fd98a9a82f77c6af4d672d07a59a3665e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "039fa2859b5b958ff9c35c9fe2c733fd98a9a82f77c6af4d672d07a59a3665e4", kill_on_drop: false }` [INFO] [stdout] 039fa2859b5b958ff9c35c9fe2c733fd98a9a82f77c6af4d672d07a59a3665e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4d3638bff337a915d05e24fa3a880011acaebee300a3487bf3dbd130f6d2d25d [INFO] running `Command { std: "docker" "start" "-a" "4d3638bff337a915d05e24fa3a880011acaebee300a3487bf3dbd130f6d2d25d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking neat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/phenotype.rs:37:34 [INFO] [stdout] | [INFO] [stdout] 37 | fn recursive_feed(&mut self, mut node: &mut PhenoNodes, inputs: &Vec) -> f64 { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/phenotype.rs:37:34 [INFO] [stdout] | [INFO] [stdout] 37 | fn recursive_feed(&mut self, mut node: &mut PhenoNodes, inputs: &Vec) -> f64 { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/phenotype.rs:57:26 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn from_genotype(mut genotype: Genotype) -> Phenotype { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `save` and `load` are never used [INFO] [stdout] --> src/genotype.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 32 | impl Genotype { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn save(&self, filename_option: Option) -> Result<(), GenotypeError> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn load(filename_option: Option) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `FileNotFound`, `FileSystemError`, `SerializingError`, and `DeserializingError` are never constructed [INFO] [stdout] --> src/genotype.rs:114:5 [INFO] [stdout] | [INFO] [stdout] 113 | pub enum GenotypeError { [INFO] [stdout] | ------------- variants in this enum [INFO] [stdout] 114 | FileNotFound, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 115 | FileSystemError, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 116 | SerializingError, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 117 | DeserializingError, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TicTacToeGame` is never constructed [INFO] [stdout] --> src/tictactoe.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct TicTacToeGame { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/phenotype.rs:57:26 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn from_genotype(mut genotype: Genotype) -> Phenotype { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `X`, `O`, and `Empty` are never constructed [INFO] [stdout] --> src/tictactoe.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub enum Fields { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 15 | X, [INFO] [stdout] | ^ [INFO] [stdout] 16 | O, [INFO] [stdout] | ^ [INFO] [stdout] 17 | Empty, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Fields` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `whos_turn`, `make_move`, `check_winner`, and `format_board` are never used [INFO] [stdout] --> src/tictactoe.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl TicTacToeGame { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 21 | // Initializing a new empty game with an empty board. Player X will always start; [INFO] [stdout] 22 | pub fn new() -> TicTacToeGame { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn whos_turn(&self) -> Fields { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn make_move( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | fn check_winner(&mut self, x: usize, y: usize) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 131 | pub fn format_board(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `FieldNotEmpty`, `NoEmptyFieldLeft`, and `NotAValidField` are never constructed [INFO] [stdout] --> src/tictactoe.rs:151:5 [INFO] [stdout] | [INFO] [stdout] 150 | pub enum MoveNotPossibleError { [INFO] [stdout] | -------------------- variants in this enum [INFO] [stdout] 151 | FieldNotEmpty, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 152 | NoEmptyFieldLeft, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 153 | NotAValidField, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MoveNotPossibleError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `save` and `load` are never used [INFO] [stdout] --> src/genotype.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 32 | impl Genotype { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn save(&self, filename_option: Option) -> Result<(), GenotypeError> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn load(filename_option: Option) -> Result { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `FileNotFound`, `FileSystemError`, `SerializingError`, and `DeserializingError` are never constructed [INFO] [stdout] --> src/genotype.rs:114:5 [INFO] [stdout] | [INFO] [stdout] 113 | pub enum GenotypeError { [INFO] [stdout] | ------------- variants in this enum [INFO] [stdout] 114 | FileNotFound, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 115 | FileSystemError, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 116 | SerializingError, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 117 | DeserializingError, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TicTacToeGame` is never constructed [INFO] [stdout] --> src/tictactoe.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct TicTacToeGame { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `X`, `O`, and `Empty` are never constructed [INFO] [stdout] --> src/tictactoe.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub enum Fields { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 15 | X, [INFO] [stdout] | ^ [INFO] [stdout] 16 | O, [INFO] [stdout] | ^ [INFO] [stdout] 17 | Empty, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Fields` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `whos_turn`, `make_move`, `check_winner`, and `format_board` are never used [INFO] [stdout] --> src/tictactoe.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl TicTacToeGame { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 21 | // Initializing a new empty game with an empty board. Player X will always start; [INFO] [stdout] 22 | pub fn new() -> TicTacToeGame { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn whos_turn(&self) -> Fields { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn make_move( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | fn check_winner(&mut self, x: usize, y: usize) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 131 | pub fn format_board(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `FieldNotEmpty`, `NoEmptyFieldLeft`, and `NotAValidField` are never constructed [INFO] [stdout] --> src/tictactoe.rs:151:5 [INFO] [stdout] | [INFO] [stdout] 150 | pub enum MoveNotPossibleError { [INFO] [stdout] | -------------------- variants in this enum [INFO] [stdout] 151 | FieldNotEmpty, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 152 | NoEmptyFieldLeft, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 153 | NotAValidField, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MoveNotPossibleError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.19s [INFO] running `Command { std: "docker" "inspect" "4d3638bff337a915d05e24fa3a880011acaebee300a3487bf3dbd130f6d2d25d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d3638bff337a915d05e24fa3a880011acaebee300a3487bf3dbd130f6d2d25d", kill_on_drop: false }` [INFO] [stdout] 4d3638bff337a915d05e24fa3a880011acaebee300a3487bf3dbd130f6d2d25d