[INFO] cloning repository https://github.com/newmancodes/rust-logical-reasoning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/newmancodes/rust-logical-reasoning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnewmancodes%2Frust-logical-reasoning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnewmancodes%2Frust-logical-reasoning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34e4589a30e5cf817644f90caf28b33e146dbf04
[INFO] testing newmancodes/rust-logical-reasoning against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnewmancodes%2Frust-logical-reasoning" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/newmancodes/rust-logical-reasoning on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/newmancodes/rust-logical-reasoning
[INFO] finished tweaking git repo https://github.com/newmancodes/rust-logical-reasoning
[INFO] tweaked toml for git repo https://github.com/newmancodes/rust-logical-reasoning written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/newmancodes/rust-logical-reasoning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78dade91c2964cbf327883e0916158e8d7037c36bc068f50bf5011314f8d3545
[INFO] running `Command { std: "docker" "start" "-a" "78dade91c2964cbf327883e0916158e8d7037c36bc068f50bf5011314f8d3545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78dade91c2964cbf327883e0916158e8d7037c36bc068f50bf5011314f8d3545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78dade91c2964cbf327883e0916158e8d7037c36bc068f50bf5011314f8d3545", kill_on_drop: false }`
[INFO] [stdout] 78dade91c2964cbf327883e0916158e8d7037c36bc068f50bf5011314f8d3545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0790c70b0f69755ece1c23539b13770feb419f8c4d5ef27031b08457aacd265
[INFO] running `Command { std: "docker" "start" "-a" "a0790c70b0f69755ece1c23539b13770feb419f8c4d5ef27031b08457aacd265", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-logical-reasoning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `ForwardChaining`
[INFO] [stdout]  --> src/forward_chaining.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ForwardChaining {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/forward_chaining.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(knowledge_base: Vec<HornClause>) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `entails`
[INFO] [stdout]   --> src/forward_chaining.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn entails(self, n: i8) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `HornClause`
[INFO] [stdout]  --> src/horn_clause.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct HornClause {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/horn_clause.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new(literals: Vec<i8>) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `iter`
[INFO] [stdout]   --> src/horn_clause.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn iter(&self) -> std::slice::Iter<'_, i8> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "a0790c70b0f69755ece1c23539b13770feb419f8c4d5ef27031b08457aacd265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0790c70b0f69755ece1c23539b13770feb419f8c4d5ef27031b08457aacd265", kill_on_drop: false }`
[INFO] [stdout] a0790c70b0f69755ece1c23539b13770feb419f8c4d5ef27031b08457aacd265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42c8d11432a5f52c9c7990e9b574c65a73945702addac231d3c21c84ac216fbc
[INFO] running `Command { std: "docker" "start" "-a" "42c8d11432a5f52c9c7990e9b574c65a73945702addac231d3c21c84ac216fbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-logical-reasoning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "42c8d11432a5f52c9c7990e9b574c65a73945702addac231d3c21c84ac216fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c8d11432a5f52c9c7990e9b574c65a73945702addac231d3c21c84ac216fbc", kill_on_drop: false }`
[INFO] [stdout] 42c8d11432a5f52c9c7990e9b574c65a73945702addac231d3c21c84ac216fbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1b62b887c66e55c0555d80d3d13609d6270b719c7c2fc8bee92e0336e3b416d
[INFO] running `Command { std: "docker" "start" "-a" "c1b62b887c66e55c0555d80d3d13609d6270b719c7c2fc8bee92e0336e3b416d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_logical_reasoning-1aa801d93c123f8f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test forward_chaining::tests::aima_figure_7pt16_has_a_model ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1b62b887c66e55c0555d80d3d13609d6270b719c7c2fc8bee92e0336e3b416d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b62b887c66e55c0555d80d3d13609d6270b719c7c2fc8bee92e0336e3b416d", kill_on_drop: false }`
[INFO] [stdout] c1b62b887c66e55c0555d80d3d13609d6270b719c7c2fc8bee92e0336e3b416d