[INFO] updating cached repository https://github.com/HyeockJinKim/zoker-parser
[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] [stderr] From https://github.com/HyeockJinKim/zoker-parser
[INFO] [stderr]    c6207aa..07419a9  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07419a9607bae9d74c963759bebc1f0eaba2761b
[INFO] checking HyeockJinKim/zoker-parser against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHyeockJinKim%2Fzoker-parser" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HyeockJinKim/zoker-parser on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/HyeockJinKim/zoker-parser
[INFO] finished tweaking git repo https://github.com/HyeockJinKim/zoker-parser
[INFO] tweaked toml for git repo https://github.com/HyeockJinKim/zoker-parser written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/HyeockJinKim/zoker-parser already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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] 870efe80a4288db2c1ff273f38a2409e77e35be8c521437040c2ee1a571bb47e
[INFO] running `"docker" "start" "-a" "870efe80a4288db2c1ff273f38a2409e77e35be8c521437040c2ee1a571bb47e"`
[INFO] [stderr]     Checking lalrpop-util v0.17.2
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling zoker_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]      --> /opt/rustwide/target/debug/build/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15027:5
[INFO] [stderr]       |
[INFO] [stderr] 15027 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15038:5
[INFO] [stderr]       |
[INFO] [stderr] 15038 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15049:5
[INFO] [stderr]       |
[INFO] [stderr] 15049 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15060:5
[INFO] [stderr]       |
[INFO] [stderr] 15060 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15150:5
[INFO] [stderr]       |
[INFO] [stderr] 15150 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15213:5
[INFO] [stderr]       |
[INFO] [stderr] 15213 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15224:5
[INFO] [stderr]       |
[INFO] [stderr] 15224 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15235:5
[INFO] [stderr]       |
[INFO] [stderr] 15235 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15405:5
[INFO] [stderr]       |
[INFO] [stderr] 15405 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15435:5
[INFO] [stderr]       |
[INFO] [stderr] 15435 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15465:5
[INFO] [stderr]       |
[INFO] [stderr] 15465 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15495:5
[INFO] [stderr]       |
[INFO] [stderr] 15495 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15525:5
[INFO] [stderr]       |
[INFO] [stderr] 15525 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15555:5
[INFO] [stderr]       |
[INFO] [stderr] 15555 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15607:5
[INFO] [stderr]       |
[INFO] [stderr] 15607 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15681:5
[INFO] [stderr]       |
[INFO] [stderr] 15681 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15733:5
[INFO] [stderr]       |
[INFO] [stderr] 15733 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15796:5
[INFO] [stderr]       |
[INFO] [stderr] 15796 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15852:5
[INFO] [stderr]       |
[INFO] [stderr] 15852 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15940:5
[INFO] [stderr]       |
[INFO] [stderr] 15940 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15951:5
[INFO] [stderr]       |
[INFO] [stderr] 15951 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15964:5
[INFO] [stderr]       |
[INFO] [stderr] 15964 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15975:5
[INFO] [stderr]       |
[INFO] [stderr] 15975 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15986:5
[INFO] [stderr]       |
[INFO] [stderr] 15986 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15027:5
[INFO] [stderr]       |
[INFO] [stderr] 15027 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15038:5
[INFO] [stderr]       |
[INFO] [stderr] 15038 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15049:5
[INFO] [stderr]       |
[INFO] [stderr] 15049 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15060:5
[INFO] [stderr]       |
[INFO] [stderr] 15060 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15150:5
[INFO] [stderr]       |
[INFO] [stderr] 15150 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15213:5
[INFO] [stderr]       |
[INFO] [stderr] 15213 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15224:5
[INFO] [stderr]       |
[INFO] [stderr] 15224 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15235:5
[INFO] [stderr]       |
[INFO] [stderr] 15235 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15405:5
[INFO] [stderr]       |
[INFO] [stderr] 15405 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15435:5
[INFO] [stderr]       |
[INFO] [stderr] 15435 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15465:5
[INFO] [stderr]       |
[INFO] [stderr] 15465 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15495:5
[INFO] [stderr]       |
[INFO] [stderr] 15495 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15525:5
[INFO] [stderr]       |
[INFO] [stderr] 15525 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15555:5
[INFO] [stderr]       |
[INFO] [stderr] 15555 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15607:5
[INFO] [stderr]       |
[INFO] [stderr] 15607 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15681:5
[INFO] [stderr]       |
[INFO] [stderr] 15681 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15733:5
[INFO] [stderr]       |
[INFO] [stderr] 15733 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15796:5
[INFO] [stderr]       |
[INFO] [stderr] 15796 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15852:5
[INFO] [stderr]       |
[INFO] [stderr] 15852 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15940:5
[INFO] [stderr]       |
[INFO] [stderr] 15940 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15951:5
[INFO] [stderr]       |
[INFO] [stderr] 15951 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15964:5
[INFO] [stderr]       |
[INFO] [stderr] 15964 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15975:5
[INFO] [stderr]       |
[INFO] [stderr] 15975 |     (__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/zoker_parser-98ec3a91e8fc8da3/out/zoker.rs:15986:5
[INFO] [stderr]       |
[INFO] [stderr] 15986 |     (__0)
[INFO] [stderr]       |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `"docker" "inspect" "870efe80a4288db2c1ff273f38a2409e77e35be8c521437040c2ee1a571bb47e"`
[INFO] running `"docker" "rm" "-f" "870efe80a4288db2c1ff273f38a2409e77e35be8c521437040c2ee1a571bb47e"`
[INFO] [stdout] 870efe80a4288db2c1ff273f38a2409e77e35be8c521437040c2ee1a571bb47e