[INFO] updating cached repository https://github.com/eazar001/wam-prolog-in-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d42eff559a41e53c4f582bd25216c4821832ef0a
[INFO] testing eazar001/wam-prolog-in-rust against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feazar001%2Fwam-prolog-in-rust" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eazar001/wam-prolog-in-rust on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/eazar001/wam-prolog-in-rust
[INFO] finished tweaking git repo https://github.com/eazar001/wam-prolog-in-rust
[INFO] tweaked toml for git repo https://github.com/eazar001/wam-prolog-in-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/eazar001/wam-prolog-in-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 800609b5f5f382303de22f253507babd2578014a933f06a36f37bbe951193069
[INFO] running `"docker" "start" "-a" "800609b5f5f382303de22f253507babd2578014a933f06a36f37bbe951193069"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling ena v0.13.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling bfg-prolog v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9783:5
[INFO] [stderr]      |
[INFO] [stderr] 9783 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9794:5
[INFO] [stderr]      |
[INFO] [stderr] 9794 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9805:5
[INFO] [stderr]      |
[INFO] [stderr] 9805 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9816:5
[INFO] [stderr]      |
[INFO] [stderr] 9816 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9827:5
[INFO] [stderr]      |
[INFO] [stderr] 9827 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9838:5
[INFO] [stderr]      |
[INFO] [stderr] 9838 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9849:5
[INFO] [stderr]      |
[INFO] [stderr] 9849 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9860:5
[INFO] [stderr]      |
[INFO] [stderr] 9860 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9783:5
[INFO] [stderr]      |
[INFO] [stderr] 9783 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9794:5
[INFO] [stderr]      |
[INFO] [stderr] 9794 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9805:5
[INFO] [stderr]      |
[INFO] [stderr] 9805 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9816:5
[INFO] [stderr]      |
[INFO] [stderr] 9816 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9827:5
[INFO] [stderr]      |
[INFO] [stderr] 9827 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9838:5
[INFO] [stderr]      |
[INFO] [stderr] 9838 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9849:5
[INFO] [stderr]      |
[INFO] [stderr] 9849 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9860:5
[INFO] [stderr]      |
[INFO] [stderr] 9860 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 15s
[INFO] running `"docker" "inspect" "800609b5f5f382303de22f253507babd2578014a933f06a36f37bbe951193069"`
[INFO] running `"docker" "rm" "-f" "800609b5f5f382303de22f253507babd2578014a933f06a36f37bbe951193069"`
[INFO] [stdout] 800609b5f5f382303de22f253507babd2578014a933f06a36f37bbe951193069
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c063202f95a48a0f3d9215ccd188d424ab24bf0d54e125c9aad1e17fd7894688
[INFO] running `"docker" "start" "-a" "c063202f95a48a0f3d9215ccd188d424ab24bf0d54e125c9aad1e17fd7894688"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bfg-prolog v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9783:5
[INFO] [stderr]      |
[INFO] [stderr] 9783 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9794:5
[INFO] [stderr]      |
[INFO] [stderr] 9794 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9805:5
[INFO] [stderr]      |
[INFO] [stderr] 9805 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9816:5
[INFO] [stderr]      |
[INFO] [stderr] 9816 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9827:5
[INFO] [stderr]      |
[INFO] [stderr] 9827 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9838:5
[INFO] [stderr]      |
[INFO] [stderr] 9838 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9849:5
[INFO] [stderr]      |
[INFO] [stderr] 9849 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9860:5
[INFO] [stderr]      |
[INFO] [stderr] 9860 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9783:5
[INFO] [stderr]      |
[INFO] [stderr] 9783 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9794:5
[INFO] [stderr]      |
[INFO] [stderr] 9794 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9805:5
[INFO] [stderr]      |
[INFO] [stderr] 9805 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9816:5
[INFO] [stderr]      |
[INFO] [stderr] 9816 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9827:5
[INFO] [stderr]      |
[INFO] [stderr] 9827 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9838:5
[INFO] [stderr]      |
[INFO] [stderr] 9838 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9849:5
[INFO] [stderr]      |
[INFO] [stderr] 9849 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9860:5
[INFO] [stderr]      |
[INFO] [stderr] 9860 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9783:5
[INFO] [stderr]      |
[INFO] [stderr] 9783 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9794:5
[INFO] [stderr]      |
[INFO] [stderr] 9794 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9805:5
[INFO] [stderr]      |
[INFO] [stderr] 9805 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9816:5
[INFO] [stderr]      |
[INFO] [stderr] 9816 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9827:5
[INFO] [stderr]      |
[INFO] [stderr] 9827 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9838:5
[INFO] [stderr]      |
[INFO] [stderr] 9838 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9849:5
[INFO] [stderr]      |
[INFO] [stderr] 9849 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9860:5
[INFO] [stderr]      |
[INFO] [stderr] 9860 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9783:5
[INFO] [stderr]      |
[INFO] [stderr] 9783 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9794:5
[INFO] [stderr]      |
[INFO] [stderr] 9794 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9805:5
[INFO] [stderr]      |
[INFO] [stderr] 9805 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9816:5
[INFO] [stderr]      |
[INFO] [stderr] 9816 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9827:5
[INFO] [stderr]      |
[INFO] [stderr] 9827 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9838:5
[INFO] [stderr]      |
[INFO] [stderr] 9838 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9849:5
[INFO] [stderr]      |
[INFO] [stderr] 9849 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9860:5
[INFO] [stderr]      |
[INFO] [stderr] 9860 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9783:5
[INFO] [stderr]      |
[INFO] [stderr] 9783 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9794:5
[INFO] [stderr]      |
[INFO] [stderr] 9794 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9805:5
[INFO] [stderr]      |
[INFO] [stderr] 9805 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9816:5
[INFO] [stderr]      |
[INFO] [stderr] 9816 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9827:5
[INFO] [stderr]      |
[INFO] [stderr] 9827 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9838:5
[INFO] [stderr]      |
[INFO] [stderr] 9838 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9849:5
[INFO] [stderr]      |
[INFO] [stderr] 9849 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9860:5
[INFO] [stderr]      |
[INFO] [stderr] 9860 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `"docker" "inspect" "c063202f95a48a0f3d9215ccd188d424ab24bf0d54e125c9aad1e17fd7894688"`
[INFO] running `"docker" "rm" "-f" "c063202f95a48a0f3d9215ccd188d424ab24bf0d54e125c9aad1e17fd7894688"`
[INFO] [stdout] c063202f95a48a0f3d9215ccd188d424ab24bf0d54e125c9aad1e17fd7894688
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 058010f4929bbe3540bf86ec3d8ba414ac2eb486546db909d9832865908b0658
[INFO] running `"docker" "start" "-a" "058010f4929bbe3540bf86ec3d8ba414ac2eb486546db909d9832865908b0658"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9783:5
[INFO] [stderr]      |
[INFO] [stderr] 9783 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9794:5
[INFO] [stderr]      |
[INFO] [stderr] 9794 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9805:5
[INFO] [stderr]      |
[INFO] [stderr] 9805 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9816:5
[INFO] [stderr]      |
[INFO] [stderr] 9816 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9827:5
[INFO] [stderr]      |
[INFO] [stderr] 9827 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9838:5
[INFO] [stderr]      |
[INFO] [stderr] 9838 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9849:5
[INFO] [stderr]      |
[INFO] [stderr] 9849 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9860:5
[INFO] [stderr]      |
[INFO] [stderr] 9860 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9783:5
[INFO] [stderr]      |
[INFO] [stderr] 9783 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9794:5
[INFO] [stderr]      |
[INFO] [stderr] 9794 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9805:5
[INFO] [stderr]      |
[INFO] [stderr] 9805 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9816:5
[INFO] [stderr]      |
[INFO] [stderr] 9816 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9827:5
[INFO] [stderr]      |
[INFO] [stderr] 9827 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9838:5
[INFO] [stderr]      |
[INFO] [stderr] 9838 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9849:5
[INFO] [stderr]      |
[INFO] [stderr] 9849 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9860:5
[INFO] [stderr]      |
[INFO] [stderr] 9860 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9783:5
[INFO] [stderr]      |
[INFO] [stderr] 9783 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9794:5
[INFO] [stderr]      |
[INFO] [stderr] 9794 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9805:5
[INFO] [stderr]      |
[INFO] [stderr] 9805 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9816:5
[INFO] [stderr]      |
[INFO] [stderr] 9816 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9827:5
[INFO] [stderr]      |
[INFO] [stderr] 9827 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9838:5
[INFO] [stderr]      |
[INFO] [stderr] 9838 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9849:5
[INFO] [stderr]      |
[INFO] [stderr] 9849 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9860:5
[INFO] [stderr]      |
[INFO] [stderr] 9860 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9783:5
[INFO] [stderr]      |
[INFO] [stderr] 9783 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9794:5
[INFO] [stderr]      |
[INFO] [stderr] 9794 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9805:5
[INFO] [stderr]      |
[INFO] [stderr] 9805 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9816:5
[INFO] [stderr]      |
[INFO] [stderr] 9816 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9827:5
[INFO] [stderr]      |
[INFO] [stderr] 9827 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9838:5
[INFO] [stderr]      |
[INFO] [stderr] 9838 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9849:5
[INFO] [stderr]      |
[INFO] [stderr] 9849 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9860:5
[INFO] [stderr]      |
[INFO] [stderr] 9860 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9783:5
[INFO] [stderr]      |
[INFO] [stderr] 9783 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9794:5
[INFO] [stderr]      |
[INFO] [stderr] 9794 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9805:5
[INFO] [stderr]      |
[INFO] [stderr] 9805 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9816:5
[INFO] [stderr]      |
[INFO] [stderr] 9816 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9827:5
[INFO] [stderr]      |
[INFO] [stderr] 9827 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9838:5
[INFO] [stderr]      |
[INFO] [stderr] 9838 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9849:5
[INFO] [stderr]      |
[INFO] [stderr] 9849 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/bfg-prolog-35cd5e0cdd19f9a2/out/parser.rs:9860:5
[INFO] [stderr]      |
[INFO] [stderr] 9860 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bfg_prolog-cdbd7ce168a745a9
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test tests::test_occurs_1_succeeds ... ok
[INFO] [stdout] test tests::test_occurs_2_fails ... ok
[INFO] [stdout] test tests::test_occurs_3_fails ... ok
[INFO] [stdout] test tests::test_occurs_3_succeeds ... ok
[INFO] [stdout] test tests::test_unify_5_succeeds ... ok
[INFO] [stdout] test tests::test_unify_4_succeeds ... ok
[INFO] [stdout] test tests::test_occurs_1_fails ... ok
[INFO] [stdout] test tests::test_unify_3_succeeds ... ok
[INFO] [stdout] test tests::test_unify_6_succeeds ... ok
[INFO] [stdout] test tests::test_unify_8_succeeds ... ok
[INFO] [stdout] test tests::test_unify_7_succeeds ... ok
[INFO] [stdout] test tests::test_unify_9_succeeds ... ok
[INFO] [stdout] test tests::test_unify_12_succeeds ... ok
[INFO] [stdout] test tests::test_unify_1_succeeds ... ok
[INFO] [stdout] test tests::test_unify_2_succeeds ... ok
[INFO] [stdout] test tests::test_unify_10_succeeds ... ok
[INFO] [stdout] test tests::test_unify_1_fails ... ok
[INFO] [stdout] test tests::test_unify_7_fails ... ok
[INFO] [stdout] test tests::test_unify_9_fails ... ok
[INFO] [stdout] test tests::test_unify_12_fails ... ok
[INFO] [stdout] test tests::test_unify_5_fails ... ok
[INFO] [stdout] test tests::test_unify_10_fails ... ok
[INFO] [stdout] test tests::test_unify_11_fails ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bfg_prolog-ccfb583bb5db923f
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/query_tests-fcf7671302ee4271
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test test_basic_10_succeeds ... ok
[INFO] [stdout] test test_basic_12_fails ... ok
[INFO] [stdout] test test_basic_14_fails ... ok
[INFO] [stdout] test test_basic_15_succeeds ... ok
[INFO] [stdout] test test_basic_2_succeeds ... ok
[INFO] [stdout] test test_basic_5_succeeds ... ok
[INFO] [stdout] test test_basic_11_succeeds ... ok
[INFO] [stdout] test test_basic_7_fails ... ok
[INFO] [stdout] test test_basic_14_succeeds ... ok
[INFO] [stdout] test test_basic_6_succeeds ... ok
[INFO] [stdout] test test_basic_16_succeeds ... ok
[INFO] [stdout] test test_basic_17_succeeds ... ok
[INFO] [stdout] test test_basic_13_fails ... ok
[INFO] [stdout] test test_basic_4_succeeds ... ok
[INFO] [stdout] test test_basic_3_succeeds ... ok
[INFO] [stdout] test test_the_expanse_program_1_fails ... ok
[INFO] [stdout] test test_basic_7_succeeds ... ok
[INFO] [stdout] test test_the_expanse_program_2_succeeds ... ok
[INFO] [stdout] test test_basic_3_fails ... ok
[INFO] [stdout] test test_the_expanse_program_2_fails ... ok
[INFO] [stdout] test test_basic_9_succeeds ... ok
[INFO] [stdout] test test_the_expanse_program_3_fails ... ok
[INFO] [stdout] test test_basic_12_succeeds ... ok
[INFO] [stdout] test test_basic_8_succeeds ... ok
[INFO] [stdout] test test_basic_1_succeeds ... ok
[INFO] [stdout] test test_the_expanse_program_3_succeeds ... ok
[INFO] [stdout] test test_the_expanse_program_4_succeeds ... ok
[INFO] [stdout] test test_the_expanse_program_1_succeeds ... ok
[INFO] [stdout] test test_the_expanse_program_5_succeeds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bfg-prolog
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "058010f4929bbe3540bf86ec3d8ba414ac2eb486546db909d9832865908b0658"`
[INFO] running `"docker" "rm" "-f" "058010f4929bbe3540bf86ec3d8ba414ac2eb486546db909d9832865908b0658"`
[INFO] [stdout] 058010f4929bbe3540bf86ec3d8ba414ac2eb486546db909d9832865908b0658