[INFO] cloning repository https://github.com/aggalex/VariablesNative
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aggalex/VariablesNative" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faggalex%2FVariablesNative", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faggalex%2FVariablesNative'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 992560f7be176f903430dc1372048055b54d5289
[INFO] documenting aggalex/VariablesNative against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faggalex%2FVariablesNative" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aggalex/VariablesNative on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aggalex/VariablesNative
[INFO] finished tweaking git repo https://github.com/aggalex/VariablesNative
[INFO] tweaked toml for git repo https://github.com/aggalex/VariablesNative written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/aggalex/VariablesNative already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/TomBebbington/llvm-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/TomBebbington/llvm-sys.rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lalrpop-util v0.18.1
[INFO] [stderr]   Downloaded lalrpop v0.18.1
[INFO] [stderr]   Downloaded cbox v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1c16c4af9e46d37502252f735d5cd70e52a2f4ea1ab81d4aa27f82d21877cc2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d1c16c4af9e46d37502252f735d5cd70e52a2f4ea1ab81d4aa27f82d21877cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1c16c4af9e46d37502252f735d5cd70e52a2f4ea1ab81d4aa27f82d21877cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c16c4af9e46d37502252f735d5cd70e52a2f4ea1ab81d4aa27f82d21877cc2", kill_on_drop: false }`
[INFO] [stdout] d1c16c4af9e46d37502252f735d5cd70e52a2f4ea1ab81d4aa27f82d21877cc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f1d581de40b5cff3cf66bb41b6aa41c3e37e344974acd5252b18fe7f0582400a
[INFO] running `Command { std: "docker" "start" "-a" "f1d581de40b5cff3cf66bb41b6aa41c3e37e344974acd5252b18fe7f0582400a", kill_on_drop: false }`
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling llvm-alt v0.5.0 (https://github.com/TomBebbington/llvm-rs.git#e1232022)
[INFO] [stderr]    Compiling llvm-sys v0.3.0 (https://github.com/TomBebbington/llvm-sys.rs#88a4f2da)
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]     Checking cbox v0.3.0
[INFO] [stderr]    Compiling lalrpop-util v0.18.1
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling lalrpop v0.18.1
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/variables-c9c190d55dc291d0/out/parse.rs:2579:5
[INFO] [stdout]      |
[INFO] [stdout] 2579 |     (__0)
[INFO] [stdout]      |     ^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.48s
[INFO] running `Command { std: "docker" "inspect" "f1d581de40b5cff3cf66bb41b6aa41c3e37e344974acd5252b18fe7f0582400a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d581de40b5cff3cf66bb41b6aa41c3e37e344974acd5252b18fe7f0582400a", kill_on_drop: false }`
[INFO] [stdout] f1d581de40b5cff3cf66bb41b6aa41c3e37e344974acd5252b18fe7f0582400a