[INFO] cloning repository https://github.com/grahamhome/rusty-poker [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grahamhome/rusty-poker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamhome%2Frusty-poker", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamhome%2Frusty-poker'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 55119bb14811f6f1f486bd8617171c7ed1f9fc89 [INFO] checking grahamhome/rusty-poker against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamhome%2Frusty-poker" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/grahamhome/rusty-poker 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/grahamhome/rusty-poker [INFO] finished tweaking git repo https://github.com/grahamhome/rusty-poker [INFO] tweaked toml for git repo https://github.com/grahamhome/rusty-poker written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/grahamhome/rusty-poker 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 930bade08ba0490abfbf38ea9c643b84f33c2d4789c2da4a01b8ba50150933ec [INFO] running `Command { std: "docker" "start" "-a" "930bade08ba0490abfbf38ea9c643b84f33c2d4789c2da4a01b8ba50150933ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "930bade08ba0490abfbf38ea9c643b84f33c2d4789c2da4a01b8ba50150933ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "930bade08ba0490abfbf38ea9c643b84f33c2d4789c2da4a01b8ba50150933ec", kill_on_drop: false }` [INFO] [stdout] 930bade08ba0490abfbf38ea9c643b84f33c2d4789c2da4a01b8ba50150933ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 36547f6fdc28cd10e3406f4814b86fa5231e517b32b263efd215c0cedda41818 [INFO] running `Command { std: "docker" "start" "-a" "36547f6fdc28cd10e3406f4814b86fa5231e517b32b263efd215c0cedda41818", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking regex v1.7.1 [INFO] [stderr] Checking poker_hands v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `input` and `suits` are never read [INFO] [stdout] --> src/hand.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct PokerHand<'a> { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 11 | pub input: &'a str, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | ranks: HashMap, [INFO] [stdout] 13 | suits: HashSet, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/hand.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 41 | impl<'a> PokerHand<'a> { [INFO] [stdout] | ---------------------- associated items in this implementation [INFO] [stdout] 42 | pub fn new(input: &'a str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | fn categorize(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | fn same_suit(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | fn sequence(&mut self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 125 | fn aces_low(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 138 | fn n_of_a_kind(&self, n: u8) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 143 | fn two_pair(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 148 | fn full_house(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/hand_type.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum PokerHandType { [INFO] [stdout] | ------------- variants in this enum [INFO] [stdout] 3 | HighCard, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 4 | OnePair, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 5 | TwoPair, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | ThreeOfAKind, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 7 | Straight, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 8 | Flush, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 9 | FullHouse, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 10 | FourOfAKind, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 11 | StraightFlush, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PokerHandType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `winning_hands` is never used [INFO] [stdout] --> src/winning_hands.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn winning_hands<'a>(hands: &[&'a str]) -> Vec<&'a str> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.43s [INFO] running `Command { std: "docker" "inspect" "36547f6fdc28cd10e3406f4814b86fa5231e517b32b263efd215c0cedda41818", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36547f6fdc28cd10e3406f4814b86fa5231e517b32b263efd215c0cedda41818", kill_on_drop: false }` [INFO] [stdout] 36547f6fdc28cd10e3406f4814b86fa5231e517b32b263efd215c0cedda41818 [INFO] checking grahamhome/rusty-poker against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrahamhome%2Frusty-poker" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/grahamhome/rusty-poker 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/grahamhome/rusty-poker [INFO] finished tweaking git repo https://github.com/grahamhome/rusty-poker [INFO] tweaked toml for git repo https://github.com/grahamhome/rusty-poker written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/grahamhome/rusty-poker 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] eda2c3680ea70685b779e68dc54a04871511f0fc85fedc106870e07dedd0b991 [INFO] running `Command { std: "docker" "start" "-a" "eda2c3680ea70685b779e68dc54a04871511f0fc85fedc106870e07dedd0b991", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eda2c3680ea70685b779e68dc54a04871511f0fc85fedc106870e07dedd0b991", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eda2c3680ea70685b779e68dc54a04871511f0fc85fedc106870e07dedd0b991", kill_on_drop: false }` [INFO] [stdout] eda2c3680ea70685b779e68dc54a04871511f0fc85fedc106870e07dedd0b991 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] adc4ad343e112c9107d7c18756e98d2531700b9cfb884bc28efd798443a3f179 [INFO] running `Command { std: "docker" "start" "-a" "adc4ad343e112c9107d7c18756e98d2531700b9cfb884bc28efd798443a3f179", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking regex v1.7.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.7.1/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [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" "adc4ad343e112c9107d7c18756e98d2531700b9cfb884bc28efd798443a3f179", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "adc4ad343e112c9107d7c18756e98d2531700b9cfb884bc28efd798443a3f179", kill_on_drop: false }` [INFO] [stdout] adc4ad343e112c9107d7c18756e98d2531700b9cfb884bc28efd798443a3f179