[INFO] crate zypo-rs 0.0.3 is already in cache
[INFO] checking zypo-rs-0.0.3 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate zypo-rs 0.0.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate zypo-rs 0.0.3 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate zypo-rs 0.0.3
[INFO] finished tweaking crates.io crate zypo-rs 0.0.3
[INFO] tweaked toml for crates.io crate zypo-rs 0.0.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate zypo-rs 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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] 5bd3fe7bea86cd405f2c3eeec57bd92ae40e8895c773ca800daea96c94fe0bdb
[INFO] running `"docker" "start" "-a" "5bd3fe7bea86cd405f2c3eeec57bd92ae40e8895c773ca800daea96c94fe0bdb"`
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling structopt-derive v0.3.2
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling string_cache v0.7.4
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]     Checking structopt v0.3.2
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling zypo-rs v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/zypo-rs-382d7dbaff00d23f/out/parser/grammar.rs:3908:5
[INFO] [stderr]      |
[INFO] [stderr] 3908 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:3919:5
[INFO] [stderr]      |
[INFO] [stderr] 3919 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:3949:5
[INFO] [stderr]      |
[INFO] [stderr] 3949 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4029:5
[INFO] [stderr]      |
[INFO] [stderr] 4029 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4134:5
[INFO] [stderr]      |
[INFO] [stderr] 4134 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4257:5
[INFO] [stderr]      |
[INFO] [stderr] 4257 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4303:5
[INFO] [stderr]      |
[INFO] [stderr] 4303 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4349:5
[INFO] [stderr]      |
[INFO] [stderr] 4349 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4395:5
[INFO] [stderr]      |
[INFO] [stderr] 4395 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4573:5
[INFO] [stderr]      |
[INFO] [stderr] 4573 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4640:5
[INFO] [stderr]      |
[INFO] [stderr] 4640 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4675:5
[INFO] [stderr]      |
[INFO] [stderr] 4675 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4732:5
[INFO] [stderr]      |
[INFO] [stderr] 4732 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:3908:5
[INFO] [stderr]      |
[INFO] [stderr] 3908 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:3919:5
[INFO] [stderr]      |
[INFO] [stderr] 3919 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:3949:5
[INFO] [stderr]      |
[INFO] [stderr] 3949 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4029:5
[INFO] [stderr]      |
[INFO] [stderr] 4029 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4134:5
[INFO] [stderr]      |
[INFO] [stderr] 4134 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4257:5
[INFO] [stderr]      |
[INFO] [stderr] 4257 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4303:5
[INFO] [stderr]      |
[INFO] [stderr] 4303 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4349:5
[INFO] [stderr]      |
[INFO] [stderr] 4349 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4395:5
[INFO] [stderr]      |
[INFO] [stderr] 4395 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4573:5
[INFO] [stderr]      |
[INFO] [stderr] 4573 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4640:5
[INFO] [stderr]      |
[INFO] [stderr] 4640 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4675:5
[INFO] [stderr]      |
[INFO] [stderr] 4675 |     (__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-rs-382d7dbaff00d23f/out/parser/grammar.rs:4732:5
[INFO] [stderr]      |
[INFO] [stderr] 4732 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `"docker" "inspect" "5bd3fe7bea86cd405f2c3eeec57bd92ae40e8895c773ca800daea96c94fe0bdb"`
[INFO] running `"docker" "rm" "-f" "5bd3fe7bea86cd405f2c3eeec57bd92ae40e8895c773ca800daea96c94fe0bdb"`
[INFO] [stdout] 5bd3fe7bea86cd405f2c3eeec57bd92ae40e8895c773ca800daea96c94fe0bdb