[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] building newmancodes/rust-logical-reasoning against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnewmancodes%2Frust-logical-reasoning" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/newmancodes/rust-logical-reasoning on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-6-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4fa43d3393ae3c8526de5cffc95443886cc2fe6596f3bab466850e9408101649 [INFO] running `Command { std: "docker" "start" "-a" "4fa43d3393ae3c8526de5cffc95443886cc2fe6596f3bab466850e9408101649", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fa43d3393ae3c8526de5cffc95443886cc2fe6596f3bab466850e9408101649", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fa43d3393ae3c8526de5cffc95443886cc2fe6596f3bab466850e9408101649", kill_on_drop: false }` [INFO] [stdout] 4fa43d3393ae3c8526de5cffc95443886cc2fe6596f3bab466850e9408101649 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c826949563d046f3ab6b66349e11b7aa531c2bb6d51056bbc5215e5032af1310 [INFO] running `Command { std: "docker" "start" "-a" "c826949563d046f3ab6b66349e11b7aa531c2bb6d51056bbc5215e5032af1310", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Compiling rust-logical-reasoning v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `ForwardChaining` is never constructed [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 items `new` and `entails` are never used [INFO] [stdout] --> src/forward_chaining.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl ForwardChaining { [INFO] [stdout] | -------------------- associated items in this implementation [INFO] [stdout] 8 | pub fn new(knowledge_base: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | pub fn entails(self, n: i8) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HornClause` is never constructed [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 items `new` and `iter` are never used [INFO] [stdout] --> src/horn_clause.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 5 | impl HornClause { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 6 | pub fn new(literals: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | pub fn iter(&self) -> std::slice::Iter<'_, i8> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "c826949563d046f3ab6b66349e11b7aa531c2bb6d51056bbc5215e5032af1310", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c826949563d046f3ab6b66349e11b7aa531c2bb6d51056bbc5215e5032af1310", kill_on_drop: false }` [INFO] [stdout] c826949563d046f3ab6b66349e11b7aa531c2bb6d51056bbc5215e5032af1310 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3cbbcda0bd47f3c1b088c4c0991e9144390754128618b1568d5d1164b7c10eaa [INFO] running `Command { std: "docker" "start" "-a" "3cbbcda0bd47f3c1b088c4c0991e9144390754128618b1568d5d1164b7c10eaa", kill_on_drop: false }` [INFO] [stderr] Compiling rust-logical-reasoning v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "3cbbcda0bd47f3c1b088c4c0991e9144390754128618b1568d5d1164b7c10eaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cbbcda0bd47f3c1b088c4c0991e9144390754128618b1568d5d1164b7c10eaa", kill_on_drop: false }` [INFO] [stdout] 3cbbcda0bd47f3c1b088c4c0991e9144390754128618b1568d5d1164b7c10eaa