[INFO] cloning repository https://github.com/TheTekton337/SymbolicReasoningEngine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheTekton337/SymbolicReasoningEngine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheTekton337%2FSymbolicReasoningEngine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheTekton337%2FSymbolicReasoningEngine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1628a3a9367fd49620cc0fae381ca30958ac0bc9
[INFO] checking TheTekton337/SymbolicReasoningEngine/1628a3a9367fd49620cc0fae381ca30958ac0bc9 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheTekton337%2FSymbolicReasoningEngine" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheTekton337/SymbolicReasoningEngine on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheTekton337/SymbolicReasoningEngine
[INFO] finished tweaking git repo https://github.com/TheTekton337/SymbolicReasoningEngine
[INFO] tweaked toml for git repo https://github.com/TheTekton337/SymbolicReasoningEngine written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/TheTekton337/SymbolicReasoningEngine 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" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b1f62dc2a1d9e445d655dd9e310cb94545f15511421f3158d22524f655c87bf
[INFO] running `Command { std: "docker" "start" "-a" "2b1f62dc2a1d9e445d655dd9e310cb94545f15511421f3158d22524f655c87bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b1f62dc2a1d9e445d655dd9e310cb94545f15511421f3158d22524f655c87bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b1f62dc2a1d9e445d655dd9e310cb94545f15511421f3158d22524f655c87bf", kill_on_drop: false }`
[INFO] [stdout] 2b1f62dc2a1d9e445d655dd9e310cb94545f15511421f3158d22524f655c87bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9016a78e448a09c764e01dd83428c09a5e6cf7f995108b0db21a3b02456ff58
[INFO] running `Command { std: "docker" "start" "-a" "c9016a78e448a09c764e01dd83428c09a5e6cf7f995108b0db21a3b02456ff58", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking symbolic_reasoning_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Unstable` is never constructed
[INFO] [stdout]    --> src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | enum VariableState {
[INFO] [stdout]     |      ------------- variant in this enum
[INFO] [stdout] 119 |     Stable,
[INFO] [stdout] 120 |     Unstable,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VariableState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Unstable` is never constructed
[INFO] [stdout]    --> src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | enum VariableState {
[INFO] [stdout]     |      ------------- variant in this enum
[INFO] [stdout] 119 |     Stable,
[INFO] [stdout] 120 |     Unstable,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VariableState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "c9016a78e448a09c764e01dd83428c09a5e6cf7f995108b0db21a3b02456ff58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9016a78e448a09c764e01dd83428c09a5e6cf7f995108b0db21a3b02456ff58", kill_on_drop: false }`
[INFO] [stdout] c9016a78e448a09c764e01dd83428c09a5e6cf7f995108b0db21a3b02456ff58