[INFO] cloning 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" "clone" "--bare" "https://github.com/eazar001/wam-prolog-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feazar001%2Fwam-prolog-in-rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feazar001%2Fwam-prolog-in-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d42eff559a41e53c4f582bd25216c4821832ef0a
[INFO] checking eazar001/wam-prolog-in-rust against try#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feazar001%2Fwam-prolog-in-rust" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eazar001/wam-prolog-in-rust on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "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-2/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" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d49b230ee41d51a9828e03a5fe992a63a6046513763fa2b503c3b15c6c5adbad
[INFO] running `"docker" "start" "-a" "d49b230ee41d51a9828e03a5fe992a63a6046513763fa2b503c3b15c6c5adbad"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]     Checking strsim v0.9.2
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling ena v0.13.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]     Checking ascii-canvas v2.0.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking 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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/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-1f73aef8b921a634/out/parser.rs:9860:5
[INFO] [stderr]      |
[INFO] [stderr] 9860 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 26s
[INFO] running `"docker" "inspect" "d49b230ee41d51a9828e03a5fe992a63a6046513763fa2b503c3b15c6c5adbad"`
[INFO] running `"docker" "rm" "-f" "d49b230ee41d51a9828e03a5fe992a63a6046513763fa2b503c3b15c6c5adbad"`
[INFO] [stdout] d49b230ee41d51a9828e03a5fe992a63a6046513763fa2b503c3b15c6c5adbad