[INFO] cloning repository https://github.com/tomerhc/chessrust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomerhc/chessrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomerhc%2Fchessrust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomerhc%2Fchessrust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d7ba0653a99c33f6dbae26a8315f32eeb002126d [INFO] checking tomerhc/chessrust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomerhc%2Fchessrust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tomerhc/chessrust on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tomerhc/chessrust [INFO] finished tweaking git repo https://github.com/tomerhc/chessrust [INFO] tweaked toml for git repo https://github.com/tomerhc/chessrust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tomerhc/chessrust 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dialoguer v0.5.0 [INFO] [stderr] Downloaded termios v0.3.2 [INFO] [stderr] Downloaded hermit-abi v0.1.11 [INFO] [stderr] Downloaded console v0.10.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04a7476cb7079a9203a254025870abcc0ca1f5c0adc1f0e5173a286760ef0dd9 [INFO] running `Command { std: "docker" "start" "-a" "04a7476cb7079a9203a254025870abcc0ca1f5c0adc1f0e5173a286760ef0dd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04a7476cb7079a9203a254025870abcc0ca1f5c0adc1f0e5173a286760ef0dd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04a7476cb7079a9203a254025870abcc0ca1f5c0adc1f0e5173a286760ef0dd9", kill_on_drop: false }` [INFO] [stdout] 04a7476cb7079a9203a254025870abcc0ca1f5c0adc1f0e5173a286760ef0dd9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7780f68d107efe5d1ebba7f990597f44f03828af94f07c2ac24da88de03feee0 [INFO] running `Command { std: "docker" "start" "-a" "7780f68d107efe5d1ebba7f990597f44f03828af94f07c2ac24da88de03feee0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking termios v0.3.2 [INFO] [stderr] Checking clicolors-control v1.0.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking console v0.10.0 [INFO] [stderr] Checking dialoguer v0.5.0 [INFO] [stderr] Checking chess v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `board_state` [INFO] [stdout] --> src/pieces.rs:479:32 [INFO] [stdout] | [INFO] [stdout] 479 | fn calc_legal_moves(&self, board_state: HashMap>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/pieces.rs:570:28 [INFO] [stdout] | [INFO] [stdout] 570 | fn set_init_pos(&self, num: u8) -> Pos { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/pieces.rs:748:28 [INFO] [stdout] | [INFO] [stdout] 748 | fn set_init_pos(&self, num: u8) -> Pos { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board_state` [INFO] [stdout] --> src/pieces.rs:755:32 [INFO] [stdout] | [INFO] [stdout] 755 | fn calc_legal_moves(&self, board_state: HashMap>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_piece_type` is never used [INFO] [stdout] --> src/pieces.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Piece { [INFO] [stdout] | ----- method in this trait [INFO] [stdout] ... [INFO] [stdout] 12 | fn get_piece_type(&self) -> String; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board_state` [INFO] [stdout] --> src/pieces.rs:479:32 [INFO] [stdout] | [INFO] [stdout] 479 | fn calc_legal_moves(&self, board_state: HashMap>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/pieces.rs:570:28 [INFO] [stdout] | [INFO] [stdout] 570 | fn set_init_pos(&self, num: u8) -> Pos { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/pieces.rs:748:28 [INFO] [stdout] | [INFO] [stdout] 748 | fn set_init_pos(&self, num: u8) -> Pos { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board_state` [INFO] [stdout] --> src/pieces.rs:755:32 [INFO] [stdout] | [INFO] [stdout] 755 | fn calc_legal_moves(&self, board_state: HashMap>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_state` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_piece_type` is never used [INFO] [stdout] --> src/pieces.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Piece { [INFO] [stdout] | ----- method in this trait [INFO] [stdout] ... [INFO] [stdout] 12 | fn get_piece_type(&self) -> String; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.30s [INFO] running `Command { std: "docker" "inspect" "7780f68d107efe5d1ebba7f990597f44f03828af94f07c2ac24da88de03feee0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7780f68d107efe5d1ebba7f990597f44f03828af94f07c2ac24da88de03feee0", kill_on_drop: false }` [INFO] [stdout] 7780f68d107efe5d1ebba7f990597f44f03828af94f07c2ac24da88de03feee0 [INFO] checking tomerhc/chessrust against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomerhc%2Fchessrust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tomerhc/chessrust on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tomerhc/chessrust [INFO] finished tweaking git repo https://github.com/tomerhc/chessrust [INFO] tweaked toml for git repo https://github.com/tomerhc/chessrust written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tomerhc/chessrust 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 97f1c9c4b7628bcca251bf47482eed63ca53e071b4d29fd22e38c93a4f82d8f8 [INFO] running `Command { std: "docker" "start" "-a" "97f1c9c4b7628bcca251bf47482eed63ca53e071b4d29fd22e38c93a4f82d8f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "97f1c9c4b7628bcca251bf47482eed63ca53e071b4d29fd22e38c93a4f82d8f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97f1c9c4b7628bcca251bf47482eed63ca53e071b4d29fd22e38c93a4f82d8f8", kill_on_drop: false }` [INFO] [stdout] 97f1c9c4b7628bcca251bf47482eed63ca53e071b4d29fd22e38c93a4f82d8f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] af752f1b53758616d66b6ccaef1dcc1a686e19d17f52017408b34ed39b8203ce [INFO] running `Command { std: "docker" "start" "-a" "af752f1b53758616d66b6ccaef1dcc1a686e19d17f52017408b34ed39b8203ce", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking termios v0.3.2 [INFO] [stderr] Checking clicolors-control v1.0.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.7/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "af752f1b53758616d66b6ccaef1dcc1a686e19d17f52017408b34ed39b8203ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af752f1b53758616d66b6ccaef1dcc1a686e19d17f52017408b34ed39b8203ce", kill_on_drop: false }` [INFO] [stdout] af752f1b53758616d66b6ccaef1dcc1a686e19d17f52017408b34ed39b8203ce