[INFO] crate zypo-lib 0.0.2 is already in cache
[INFO] testing zypo-lib-0.0.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate zypo-lib 0.0.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate zypo-lib 0.0.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate zypo-lib 0.0.2
[INFO] finished tweaking crates.io crate zypo-lib 0.0.2
[INFO] tweaked toml for crates.io crate zypo-lib 0.0.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-06-03" "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] 682a46ddab6c1a9c1be8a74a74077a75f84a128327e30c1ddf4e0e3858b47c42
[INFO] running `"docker" "start" "-a" "682a46ddab6c1a9c1be8a74a74077a75f84a128327e30c1ddf4e0e3858b47c42"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling zypo-lib v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::parser::scope::Scope`
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use crate::parser::scope::Scope;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4452:5
[INFO] [stderr]      |
[INFO] [stderr] 4452 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4463:5
[INFO] [stderr]      |
[INFO] [stderr] 4463 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4500:5
[INFO] [stderr]      |
[INFO] [stderr] 4500 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4522:5
[INFO] [stderr]      |
[INFO] [stderr] 4522 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4602:5
[INFO] [stderr]      |
[INFO] [stderr] 4602 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4707:5
[INFO] [stderr]      |
[INFO] [stderr] 4707 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4797:5
[INFO] [stderr]      |
[INFO] [stderr] 4797 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4843:5
[INFO] [stderr]      |
[INFO] [stderr] 4843 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4911:5
[INFO] [stderr]      |
[INFO] [stderr] 4911 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4957:5
[INFO] [stderr]      |
[INFO] [stderr] 4957 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5003:5
[INFO] [stderr]      |
[INFO] [stderr] 5003 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5246:5
[INFO] [stderr]      |
[INFO] [stderr] 5246 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5281:5
[INFO] [stderr]      |
[INFO] [stderr] 5281 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5361:5
[INFO] [stderr]      |
[INFO] [stderr] 5361 |     (___0)
[INFO] [stderr]      |     ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.67s
[INFO] running `"docker" "inspect" "682a46ddab6c1a9c1be8a74a74077a75f84a128327e30c1ddf4e0e3858b47c42"`
[INFO] running `"docker" "rm" "-f" "682a46ddab6c1a9c1be8a74a74077a75f84a128327e30c1ddf4e0e3858b47c42"`
[INFO] [stdout] 682a46ddab6c1a9c1be8a74a74077a75f84a128327e30c1ddf4e0e3858b47c42
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 57a2ae16ba2706530058e3964baa36097fb729f8d3da19db03e49c8da0f0b12e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "57a2ae16ba2706530058e3964baa36097fb729f8d3da19db03e49c8da0f0b12e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling zypo-lib v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::parser::scope::Scope`
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use crate::parser::scope::Scope;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4452:5
[INFO] [stderr]      |
[INFO] [stderr] 4452 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4463:5
[INFO] [stderr]      |
[INFO] [stderr] 4463 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4500:5
[INFO] [stderr]      |
[INFO] [stderr] 4500 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4522:5
[INFO] [stderr]      |
[INFO] [stderr] 4522 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4602:5
[INFO] [stderr]      |
[INFO] [stderr] 4602 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4707:5
[INFO] [stderr]      |
[INFO] [stderr] 4707 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4797:5
[INFO] [stderr]      |
[INFO] [stderr] 4797 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4843:5
[INFO] [stderr]      |
[INFO] [stderr] 4843 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4911:5
[INFO] [stderr]      |
[INFO] [stderr] 4911 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4957:5
[INFO] [stderr]      |
[INFO] [stderr] 4957 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5003:5
[INFO] [stderr]      |
[INFO] [stderr] 5003 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5246:5
[INFO] [stderr]      |
[INFO] [stderr] 5246 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5281:5
[INFO] [stderr]      |
[INFO] [stderr] 5281 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5361:5
[INFO] [stderr]      |
[INFO] [stderr] 5361 |     (___0)
[INFO] [stderr]      |     ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::parser::scope::Scope`
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use crate::parser::scope::Scope;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4452:5
[INFO] [stderr]      |
[INFO] [stderr] 4452 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4463:5
[INFO] [stderr]      |
[INFO] [stderr] 4463 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4500:5
[INFO] [stderr]      |
[INFO] [stderr] 4500 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4522:5
[INFO] [stderr]      |
[INFO] [stderr] 4522 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4602:5
[INFO] [stderr]      |
[INFO] [stderr] 4602 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4707:5
[INFO] [stderr]      |
[INFO] [stderr] 4707 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4797:5
[INFO] [stderr]      |
[INFO] [stderr] 4797 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4843:5
[INFO] [stderr]      |
[INFO] [stderr] 4843 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4911:5
[INFO] [stderr]      |
[INFO] [stderr] 4911 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4957:5
[INFO] [stderr]      |
[INFO] [stderr] 4957 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5003:5
[INFO] [stderr]      |
[INFO] [stderr] 5003 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5246:5
[INFO] [stderr]      |
[INFO] [stderr] 5246 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5281:5
[INFO] [stderr]      |
[INFO] [stderr] 5281 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5361:5
[INFO] [stderr]      |
[INFO] [stderr] 5361 |     (___0)
[INFO] [stderr]      |     ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `"docker" "inspect" "57a2ae16ba2706530058e3964baa36097fb729f8d3da19db03e49c8da0f0b12e"`
[INFO] running `"docker" "rm" "-f" "57a2ae16ba2706530058e3964baa36097fb729f8d3da19db03e49c8da0f0b12e"`
[INFO] [stdout] 57a2ae16ba2706530058e3964baa36097fb729f8d3da19db03e49c8da0f0b12e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-06-03" "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] 24757f49b471754aa257abe6486fbff2e1e65a51c7159a9db1f0702c13558fe3
[INFO] running `"docker" "start" "-a" "24757f49b471754aa257abe6486fbff2e1e65a51c7159a9db1f0702c13558fe3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `crate::parser::scope::Scope`
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use crate::parser::scope::Scope;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4452:5
[INFO] [stderr]      |
[INFO] [stderr] 4452 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4463:5
[INFO] [stderr]      |
[INFO] [stderr] 4463 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4500:5
[INFO] [stderr]      |
[INFO] [stderr] 4500 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4522:5
[INFO] [stderr]      |
[INFO] [stderr] 4522 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4602:5
[INFO] [stderr]      |
[INFO] [stderr] 4602 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4707:5
[INFO] [stderr]      |
[INFO] [stderr] 4707 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4797:5
[INFO] [stderr]      |
[INFO] [stderr] 4797 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4843:5
[INFO] [stderr]      |
[INFO] [stderr] 4843 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4911:5
[INFO] [stderr]      |
[INFO] [stderr] 4911 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4957:5
[INFO] [stderr]      |
[INFO] [stderr] 4957 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5003:5
[INFO] [stderr]      |
[INFO] [stderr] 5003 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5246:5
[INFO] [stderr]      |
[INFO] [stderr] 5246 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5281:5
[INFO] [stderr]      |
[INFO] [stderr] 5281 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5361:5
[INFO] [stderr]      |
[INFO] [stderr] 5361 |     (___0)
[INFO] [stderr]      |     ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::parser::scope::Scope`
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use crate::parser::scope::Scope;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4452:5
[INFO] [stderr]      |
[INFO] [stderr] 4452 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4463:5
[INFO] [stderr]      |
[INFO] [stderr] 4463 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4500:5
[INFO] [stderr]      |
[INFO] [stderr] 4500 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4522:5
[INFO] [stderr]      |
[INFO] [stderr] 4522 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4602:5
[INFO] [stderr]      |
[INFO] [stderr] 4602 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4707:5
[INFO] [stderr]      |
[INFO] [stderr] 4707 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4797:5
[INFO] [stderr]      |
[INFO] [stderr] 4797 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4843:5
[INFO] [stderr]      |
[INFO] [stderr] 4843 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4911:5
[INFO] [stderr]      |
[INFO] [stderr] 4911 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:4957:5
[INFO] [stderr]      |
[INFO] [stderr] 4957 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5003:5
[INFO] [stderr]      |
[INFO] [stderr] 5003 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5246:5
[INFO] [stderr]      |
[INFO] [stderr] 5246 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5281:5
[INFO] [stderr]      |
[INFO] [stderr] 5281 |     (___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/zypo-lib-4fec08b142e585cb/out/parser/grammar.rs:5361:5
[INFO] [stderr]      |
[INFO] [stderr] 5361 |     (___0)
[INFO] [stderr]      |     ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zypo_lib-91a27ce498a952b6
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test parser::lib::tests::basic_function_ast ... ok
[INFO] [stdout] test parser::lib::tests::while_loop_ast ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zypo-lib
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/parser/lib.rs - parser::lib::ast_result (line 15) ... ok
[INFO] [stdout] test src/parser/lib.rs - parser::lib::ast_result (line 37) ... ok
[INFO] [stdout] test /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-util-0.17.2/src/lib.rs - parser::grammar (line 207) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "24757f49b471754aa257abe6486fbff2e1e65a51c7159a9db1f0702c13558fe3"`
[INFO] running `"docker" "rm" "-f" "24757f49b471754aa257abe6486fbff2e1e65a51c7159a9db1f0702c13558fe3"`
[INFO] [stdout] 24757f49b471754aa257abe6486fbff2e1e65a51c7159a9db1f0702c13558fe3