[INFO] cloning repository https://github.com/tomboland/rust-predicate-logic-term-evaluator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomboland/rust-predicate-logic-term-evaluator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomboland%2Frust-predicate-logic-term-evaluator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomboland%2Frust-predicate-logic-term-evaluator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ecfc8b9c72a3dc264bb2cb7bfdf12ed588d5fb8
[INFO] testing tomboland/rust-predicate-logic-term-evaluator against 1.52.1 for beta-1.52-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomboland%2Frust-predicate-logic-term-evaluator" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomboland/rust-predicate-logic-term-evaluator on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomboland/rust-predicate-logic-term-evaluator
[INFO] finished tweaking git repo https://github.com/tomboland/rust-predicate-logic-term-evaluator
[INFO] tweaked toml for git repo https://github.com/tomboland/rust-predicate-logic-term-evaluator written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tomboland/rust-predicate-logic-term-evaluator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7eae87ecac8e93fbf2414a7aa8cdf4663398c7fb5880a4ada5284e43980ad037
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7eae87ecac8e93fbf2414a7aa8cdf4663398c7fb5880a4ada5284e43980ad037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7eae87ecac8e93fbf2414a7aa8cdf4663398c7fb5880a4ada5284e43980ad037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eae87ecac8e93fbf2414a7aa8cdf4663398c7fb5880a4ada5284e43980ad037", kill_on_drop: false }`
[INFO] [stdout] 7eae87ecac8e93fbf2414a7aa8cdf4663398c7fb5880a4ada5284e43980ad037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 240082d39f218186c5ba6689774753589ce1fe0baf7d26ba3cff1a9e837e0a35
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "240082d39f218186c5ba6689774753589ce1fe0baf7d26ba3cff1a9e837e0a35", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.2
[INFO] [stderr]    Compiling rustology v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `map_res`
[INFO] [stdout]  --> src/main.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 |     combinator::{map, map_res},
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parens`
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn parens(input: &str) -> IResult<&str, Proposition> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `term`
[INFO] [stdout]   --> src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn term(input: &str) -> IResult<&str, Proposition> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expr`
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn expr(input: &str) -> IResult<&str, Proposition> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Const`
[INFO] [stdout]   --> src/main.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     Const(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `And`
[INFO] [stdout]   --> src/main.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     And(Box<Proposition>, Box<Proposition>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Or`
[INFO] [stdout]   --> src/main.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     Or(Box<Proposition>, Box<Proposition>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Not`
[INFO] [stdout]   --> src/main.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     Not(Box<Proposition>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Imply`
[INFO] [stdout]   --> src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Imply(Box<Proposition>, Box<Proposition>)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_proposition`
[INFO] [stdout]   --> src/main.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn eval_proposition(proposition: Proposition) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.11s
[INFO] running `Command { std: "docker" "inspect" "240082d39f218186c5ba6689774753589ce1fe0baf7d26ba3cff1a9e837e0a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240082d39f218186c5ba6689774753589ce1fe0baf7d26ba3cff1a9e837e0a35", kill_on_drop: false }`
[INFO] [stdout] 240082d39f218186c5ba6689774753589ce1fe0baf7d26ba3cff1a9e837e0a35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a8ca5a297e84ba1bbdf14e4b08ce0c658e84a3db34c58e223e8a2869c859a52
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9a8ca5a297e84ba1bbdf14e4b08ce0c658e84a3db34c58e223e8a2869c859a52", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustology v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `map_res`
[INFO] [stdout]  --> src/main.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 |     combinator::{map, map_res},
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "9a8ca5a297e84ba1bbdf14e4b08ce0c658e84a3db34c58e223e8a2869c859a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8ca5a297e84ba1bbdf14e4b08ce0c658e84a3db34c58e223e8a2869c859a52", kill_on_drop: false }`
[INFO] [stdout] 9a8ca5a297e84ba1bbdf14e4b08ce0c658e84a3db34c58e223e8a2869c859a52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fbbc90be8406f556be4467c58ff286c5ed18493d66deba9a997bb5c1172a52d6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fbbc90be8406f556be4467c58ff286c5ed18493d66deba9a997bb5c1172a52d6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `map_res`
[INFO] [stderr]  --> src/main.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 |     combinator::{map, map_res},
[INFO] [stderr]   |                       ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustology-00fcd4e37722b19b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_propositions ... ok
[INFO] [stdout] test test_parse_proposition ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fbbc90be8406f556be4467c58ff286c5ed18493d66deba9a997bb5c1172a52d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbbc90be8406f556be4467c58ff286c5ed18493d66deba9a997bb5c1172a52d6", kill_on_drop: false }`
[INFO] [stdout] fbbc90be8406f556be4467c58ff286c5ed18493d66deba9a997bb5c1172a52d6