[INFO] cloning repository https://github.com/MoWeeeZ/kalah-agent-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MoWeeeZ/kalah-agent-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoWeeeZ%2Fkalah-agent-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoWeeeZ%2Fkalah-agent-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 21a0fa852fc35558987025ec30eccf18ba2a6952 [INFO] checking MoWeeeZ/kalah-agent-rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoWeeeZ%2Fkalah-agent-rs" "/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/MoWeeeZ/kalah-agent-rs 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/MoWeeeZ/kalah-agent-rs [INFO] finished tweaking git repo https://github.com/MoWeeeZ/kalah-agent-rs [INFO] tweaked toml for git repo https://github.com/MoWeeeZ/kalah-agent-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/MoWeeeZ/kalah-agent-rs 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-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] ec86165a9e43420d6fb662867d6b15379af022b9c421fa7714e1a0fa16254030 [INFO] running `Command { std: "docker" "start" "-a" "ec86165a9e43420d6fb662867d6b15379af022b9c421fa7714e1a0fa16254030", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec86165a9e43420d6fb662867d6b15379af022b9c421fa7714e1a0fa16254030", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec86165a9e43420d6fb662867d6b15379af022b9c421fa7714e1a0fa16254030", kill_on_drop: false }` [INFO] [stdout] ec86165a9e43420d6fb662867d6b15379af022b9c421fa7714e1a0fa16254030 [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] 86c3efb427c779fc7cbbc9d5e7ceb2323bfd52d8ec55f317c610388b3ee8b05e [INFO] running `Command { std: "docker" "start" "-a" "86c3efb427c779fc7cbbc9d5e7ceb2323bfd52d8ec55f317c610388b3ee8b05e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.7.0 [INFO] [stderr] Checking kalah v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `first_move_agent::FirstMoveAgent` [INFO] [stdout] --> src/agent/mod.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub use first_move_agent::FirstMoveAgent; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `random_agent::RandomAgent` [INFO] [stdout] --> src/agent/mod.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use random_agent::RandomAgent; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Valuation` [INFO] [stdout] --> src/kalah/mod.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | pub use valuation::{Valuation, ValuationFn}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `minimax_agent::MinimaxAgent` [INFO] [stdout] --> src/minimax/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use minimax_agent::MinimaxAgent; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `minimax_agent::MinimaxAgent` [INFO] [stdout] --> src/minimax_reference/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use minimax_agent::MinimaxAgent; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pvs_agent::PVSAgent` [INFO] [stdout] --> src/pvs/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use pvs_agent::PVSAgent; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `first_move_agent::FirstMoveAgent` [INFO] [stdout] --> src/agent/mod.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub use first_move_agent::FirstMoveAgent; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `random_agent::RandomAgent` [INFO] [stdout] --> src/agent/mod.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use random_agent::RandomAgent; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Valuation` [INFO] [stdout] --> src/kalah/mod.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | pub use valuation::{Valuation, ValuationFn}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `minimax_agent::MinimaxAgent` [INFO] [stdout] --> src/minimax/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use minimax_agent::MinimaxAgent; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `minimax_agent::MinimaxAgent` [INFO] [stdout] --> src/minimax_reference/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use minimax_agent::MinimaxAgent; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pvs_agent::PVSAgent` [INFO] [stdout] --> src/pvs/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use pvs_agent::PVSAgent; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `ponder` and `is_reference` are never used [INFO] [stdout] --> src/agent/_agent.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Agent { [INFO] [stdout] | ----- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 17 | fn ponder(&mut self); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 18 | [INFO] [stdout] 19 | fn is_reference(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `ponder` and `is_reference` are never used [INFO] [stdout] --> src/agent/_agent.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Agent { [INFO] [stdout] | ----- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 17 | fn ponder(&mut self); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 18 | [INFO] [stdout] 19 | fn is_reference(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.57s [INFO] running `Command { std: "docker" "inspect" "86c3efb427c779fc7cbbc9d5e7ceb2323bfd52d8ec55f317c610388b3ee8b05e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86c3efb427c779fc7cbbc9d5e7ceb2323bfd52d8ec55f317c610388b3ee8b05e", kill_on_drop: false }` [INFO] [stdout] 86c3efb427c779fc7cbbc9d5e7ceb2323bfd52d8ec55f317c610388b3ee8b05e [INFO] checking MoWeeeZ/kalah-agent-rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoWeeeZ%2Fkalah-agent-rs" "/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/MoWeeeZ/kalah-agent-rs 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/MoWeeeZ/kalah-agent-rs [INFO] finished tweaking git repo https://github.com/MoWeeeZ/kalah-agent-rs [INFO] tweaked toml for git repo https://github.com/MoWeeeZ/kalah-agent-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/MoWeeeZ/kalah-agent-rs 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] fe559ee69d3549f7ef243023e367b93d9a2087d37931a07e161d8395a93afa3b [INFO] running `Command { std: "docker" "start" "-a" "fe559ee69d3549f7ef243023e367b93d9a2087d37931a07e161d8395a93afa3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe559ee69d3549f7ef243023e367b93d9a2087d37931a07e161d8395a93afa3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe559ee69d3549f7ef243023e367b93d9a2087d37931a07e161d8395a93afa3b", kill_on_drop: false }` [INFO] [stdout] fe559ee69d3549f7ef243023e367b93d9a2087d37931a07e161d8395a93afa3b [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] c806c7ab6d25978def05b80c4c092ce7befad35e3600a1ea3b84e04942304d8d [INFO] running `Command { std: "docker" "start" "-a" "c806c7ab6d25978def05b80c4c092ce7befad35e3600a1ea3b84e04942304d8d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.7.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.7.0/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" "c806c7ab6d25978def05b80c4c092ce7befad35e3600a1ea3b84e04942304d8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c806c7ab6d25978def05b80c4c092ce7befad35e3600a1ea3b84e04942304d8d", kill_on_drop: false }` [INFO] [stdout] c806c7ab6d25978def05b80c4c092ce7befad35e3600a1ea3b84e04942304d8d