[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 against try#804fff1ae95da9d03bd44eee27f258020a575dab for pr-146013 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheTekton337%2FSymbolicReasoningEngine" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [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-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/TheTekton337/SymbolicReasoningEngine on toolchain 804fff1ae95da9d03bd44eee27f258020a575dab [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+804fff1ae95da9d03bd44eee27f258020a575dab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e835cf5ec163f520d607e82d072a7219011d35e595cc5d6a44a7d86e6dceb1f5 [INFO] running `Command { std: "docker" "start" "-a" "e835cf5ec163f520d607e82d072a7219011d35e595cc5d6a44a7d86e6dceb1f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e835cf5ec163f520d607e82d072a7219011d35e595cc5d6a44a7d86e6dceb1f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e835cf5ec163f520d607e82d072a7219011d35e595cc5d6a44a7d86e6dceb1f5", kill_on_drop: false }` [INFO] [stdout] e835cf5ec163f520d607e82d072a7219011d35e595cc5d6a44a7d86e6dceb1f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbeb933ea809be369898d82c9cbf69a0a6336374119e3c5998c15b6ae75d429c [INFO] running `Command { std: "docker" "start" "-a" "fbeb933ea809be369898d82c9cbf69a0a6336374119e3c5998c15b6ae75d429c", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Checking regex-syntax v0.8.2 [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)]` (part of `#[warn(unused)]`) on by default [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.71s [INFO] running `Command { std: "docker" "inspect" "fbeb933ea809be369898d82c9cbf69a0a6336374119e3c5998c15b6ae75d429c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbeb933ea809be369898d82c9cbf69a0a6336374119e3c5998c15b6ae75d429c", kill_on_drop: false }` [INFO] [stdout] fbeb933ea809be369898d82c9cbf69a0a6336374119e3c5998c15b6ae75d429c