[INFO] crate zypo-lib 0.0.2 is already in cache
[INFO] checking zypo-lib-0.0.2 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate zypo-lib 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate zypo-lib 0.0.2 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 1a6b9be8d6e0a326c9248c121daa88d4d91b76b89052472ea65b8a11ba3544cb
[INFO] running `"docker" "start" "-a" "1a6b9be8d6e0a326c9248c121daa88d4d91b76b89052472ea65b8a11ba3544cb"`
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling docopt v1.1.0
[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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/out/parser/grammar.rs:5361:5
[INFO] [stderr]      |
[INFO] [stderr] 5361 |     (___0)
[INFO] [stderr]      |     ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::parser::scope::Scope`
[INFO] [stderr]   --> /opt/rustwide/target/debug/build/zypo-lib-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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-fdd025bd9fad7f08/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: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `"docker" "inspect" "1a6b9be8d6e0a326c9248c121daa88d4d91b76b89052472ea65b8a11ba3544cb"`
[INFO] running `"docker" "rm" "-f" "1a6b9be8d6e0a326c9248c121daa88d4d91b76b89052472ea65b8a11ba3544cb"`
[INFO] [stdout] 1a6b9be8d6e0a326c9248c121daa88d4d91b76b89052472ea65b8a11ba3544cb