[INFO] cloning repository https://github.com/amling/r4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amling/r4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famling%2Fr4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famling%2Fr4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdb1c29d83fd9c2965945efdab20f44b51189073
[INFO] documenting amling/r4 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famling%2Fr4" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amling/r4 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amling/r4
[INFO] finished tweaking git repo https://github.com/amling/r4
[INFO] tweaked toml for git repo https://github.com/amling/r4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/amling/r4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.82
[INFO] [stderr]   Downloaded rlua v0.15.3
[INFO] [stderr]   Downloaded serde_derive v1.0.82
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[INFO] [stderr]   Downloaded regex v1.1.0
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[INFO] [stderr]   Downloaded serde_json v1.0.33
[INFO] [stderr]   Downloaded proc-macro2 v0.4.21
[INFO] [stderr]   Downloaded memchr v2.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27ef05e646c918b7cd6357ce9cb1161c65735171c507aca76ddf2a16df11602a
[INFO] running `Command { std: "docker" "start" "-a" "27ef05e646c918b7cd6357ce9cb1161c65735171c507aca76ddf2a16df11602a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27ef05e646c918b7cd6357ce9cb1161c65735171c507aca76ddf2a16df11602a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ef05e646c918b7cd6357ce9cb1161c65735171c507aca76ddf2a16df11602a", kill_on_drop: false }`
[INFO] [stdout] 27ef05e646c918b7cd6357ce9cb1161c65735171c507aca76ddf2a16df11602a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc40bb3a05e4a6940ad516a1b0c3791aec44556ebec9f279cfd0faa5a5623189
[INFO] running `Command { std: "docker" "start" "-a" "fc40bb3a05e4a6940ad516a1b0c3791aec44556ebec9f279cfd0faa5a5623189", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
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[INFO] [stderr]    Compiling ena v0.13.1
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[INFO] [stderr]     Checking rand_isaac v0.1.1
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[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]     Checking rustc-demangle v0.1.13
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[INFO] [stderr]     Checking stream v1.0.0 (/opt/rustwide/workdir/stream)
[INFO] [stderr]    Compiling rlua v0.15.3
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking ars_sync v1.0.0 (/opt/rustwide/workdir/ars/sync)
[INFO] [stderr]     Checking aggregator v1.0.0 (/opt/rustwide/workdir/aggregator)
[INFO] [stderr]     Checking bgop v1.0.0 (/opt/rustwide/workdir/bgop)
[INFO] [stderr]     Checking sorts v1.0.0 (/opt/rustwide/workdir/sorts)
[INFO] [stderr]     Checking clumper v1.0.0 (/opt/rustwide/workdir/clumper)
[INFO] [stderr]     Checking deaggregator v1.0.0 (/opt/rustwide/workdir/deaggregator)
[INFO] [stderr]    Compiling ars_validates_derive v1.0.0 (/opt/rustwide/workdir/ars/validates_derive)
[INFO] [stderr]  Documenting bgop v1.0.0 (/opt/rustwide/workdir/bgop)
[INFO] [stderr]  Documenting aggregator v1.0.0 (/opt/rustwide/workdir/aggregator)
[INFO] [stderr]  Documenting sorts v1.0.0 (/opt/rustwide/workdir/sorts)
[INFO] [stderr]  Documenting clumper v1.0.0 (/opt/rustwide/workdir/clumper)
[INFO] [stderr]  Documenting deaggregator v1.0.0 (/opt/rustwide/workdir/deaggregator)
[INFO] [stderr]  Documenting registry v1.0.0 (/opt/rustwide/workdir/registry)
[INFO] [stderr]  Documenting stream v1.0.0 (/opt/rustwide/workdir/stream)
[INFO] [stderr]  Documenting record v1.0.0 (/opt/rustwide/workdir/record)
[INFO] [stderr]  Documenting registry_args v1.0.0 (/opt/rustwide/workdir/registry_args)
[INFO] [stderr]  Documenting registry_args_derive v1.0.0 (/opt/rustwide/workdir/registry_args_derive)
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling executor v1.0.0 (/opt/rustwide/workdir/executor)
[INFO] [stderr]  Documenting executor v1.0.0 (/opt/rustwide/workdir/executor)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:3811:5
[INFO] [stdout]      |
[INFO] [stdout] 3811 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3811 -     (__0)
[INFO] [stdout] 3811 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:3867:5
[INFO] [stdout]      |
[INFO] [stdout] 3867 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3867 -     (__0)
[INFO] [stdout] 3867 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:3811:5
[INFO] [stdout]      |
[INFO] [stdout] 3811 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3811 -     (__0)
[INFO] [stdout] 3811 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:3893:5
[INFO] [stdout]      |
[INFO] [stdout] 3893 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3893 -     (__0)
[INFO] [stdout] 3893 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:3917:5
[INFO] [stdout]      |
[INFO] [stdout] 3917 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3917 -     (__0)
[INFO] [stdout] 3917 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:3867:5
[INFO] [stdout]      |
[INFO] [stdout] 3867 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3867 -     (__0)
[INFO] [stdout] 3867 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:3963:5
[INFO] [stdout]      |
[INFO] [stdout] 3963 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3963 -     (__0)
[INFO] [stdout] 3963 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:3893:5
[INFO] [stdout]      |
[INFO] [stdout] 3893 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3893 -     (__0)
[INFO] [stdout] 3893 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4119:5
[INFO] [stdout]      |
[INFO] [stdout] 4119 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4119 -     (__0)
[INFO] [stdout] 4119 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:3917:5
[INFO] [stdout]      |
[INFO] [stdout] 3917 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3917 -     (__0)
[INFO] [stdout] 3917 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:3963:5
[INFO] [stdout]      |
[INFO] [stdout] 3963 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 3963 -     (__0)
[INFO] [stdout] 3963 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4176:5
[INFO] [stdout]      |
[INFO] [stdout] 4176 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4176 -     (__0)
[INFO] [stdout] 4176 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4244:5
[INFO] [stdout]      |
[INFO] [stdout] 4244 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4244 -     (__0)
[INFO] [stdout] 4244 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4119:5
[INFO] [stdout]      |
[INFO] [stdout] 4119 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4119 -     (__0)
[INFO] [stdout] 4119 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4257:5
[INFO] [stdout]      |
[INFO] [stdout] 4257 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4257 -     (__0)
[INFO] [stdout] 4257 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4294:5
[INFO] [stdout]      |
[INFO] [stdout] 4294 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4294 -     (__0)
[INFO] [stdout] 4294 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4176:5
[INFO] [stdout]      |
[INFO] [stdout] 4176 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4176 -     (__0)
[INFO] [stdout] 4176 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4305:5
[INFO] [stdout]      |
[INFO] [stdout] 4305 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4305 -     (__0)
[INFO] [stdout] 4305 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4316:5
[INFO] [stdout]      |
[INFO] [stdout] 4316 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4316 -     (__0)
[INFO] [stdout] 4316 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4244:5
[INFO] [stdout]      |
[INFO] [stdout] 4244 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4244 -     (__0)
[INFO] [stdout] 4244 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4548:5
[INFO] [stdout]      |
[INFO] [stdout] 4548 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4548 -     (__0)
[INFO] [stdout] 4548 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4257:5
[INFO] [stdout]      |
[INFO] [stdout] 4257 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4257 -     (__0)
[INFO] [stdout] 4257 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4294:5
[INFO] [stdout]      |
[INFO] [stdout] 4294 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4294 -     (__0)
[INFO] [stdout] 4294 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4606:5
[INFO] [stdout]      |
[INFO] [stdout] 4606 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4606 -     (__0)
[INFO] [stdout] 4606 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4664:5
[INFO] [stdout]      |
[INFO] [stdout] 4664 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4664 -     (__0)
[INFO] [stdout] 4664 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4305:5
[INFO] [stdout]      |
[INFO] [stdout] 4305 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4305 -     (__0)
[INFO] [stdout] 4305 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4316:5
[INFO] [stdout]      |
[INFO] [stdout] 4316 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4316 -     (__0)
[INFO] [stdout] 4316 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4548:5
[INFO] [stdout]      |
[INFO] [stdout] 4548 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4548 -     (__0)
[INFO] [stdout] 4548 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4606:5
[INFO] [stdout]      |
[INFO] [stdout] 4606 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4606 -     (__0)
[INFO] [stdout] 4606 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/executor-ed7e1f759cbe7d64/out/r4l/parse.rs:4664:5
[INFO] [stdout]      |
[INFO] [stdout] 4664 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 4664 -     (__0)
[INFO] [stdout] 4664 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking operation v1.0.0 (/opt/rustwide/workdir/operation)
[INFO] [stderr]  Documenting operation v1.0.0 (/opt/rustwide/workdir/operation)
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting r4 v1.0.0 (/opt/rustwide/workdir/r4)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.76s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.17.2, rlua v0.15.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "fc40bb3a05e4a6940ad516a1b0c3791aec44556ebec9f279cfd0faa5a5623189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc40bb3a05e4a6940ad516a1b0c3791aec44556ebec9f279cfd0faa5a5623189", kill_on_drop: false }`
[INFO] [stdout] fc40bb3a05e4a6940ad516a1b0c3791aec44556ebec9f279cfd0faa5a5623189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df26cfdc7767b36ea616d1789fbc431db188823121c05a0a313133a7b3fcdf1d
[INFO] running `Command { std: "docker" "start" "-a" "df26cfdc7767b36ea616d1789fbc431db188823121c05a0a313133a7b3fcdf1d", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "df26cfdc7767b36ea616d1789fbc431db188823121c05a0a313133a7b3fcdf1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df26cfdc7767b36ea616d1789fbc431db188823121c05a0a313133a7b3fcdf1d", kill_on_drop: false }`
[INFO] [stdout] df26cfdc7767b36ea616d1789fbc431db188823121c05a0a313133a7b3fcdf1d
