[INFO] cloning repository https://github.com/mkroli/pesh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkroli/pesh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkroli%2Fpesh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkroli%2Fpesh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 747a2fd6c2505ae70f19719204c996994ef197fa
[INFO] documenting mkroli/pesh 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%2Fmkroli%2Fpesh" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkroli/pesh 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/mkroli/pesh
[INFO] finished tweaking git repo https://github.com/mkroli/pesh
[INFO] tweaked toml for git repo https://github.com/mkroli/pesh written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mkroli/pesh 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]  Downloading crates ...
[INFO] [stderr]   Downloaded prometheus v0.7.0
[INFO] [stderr]   Downloaded arrayref v0.3.5
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded indexmap v1.3.1
[INFO] [stderr]   Downloaded error-chain v0.11.0
[INFO] [stderr]   Downloaded smallvec v1.1.0
[INFO] [stderr]   Downloaded chrono v0.4.10
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded rust-argon2 v0.6.1
[INFO] [stderr]   Downloaded rustyline v6.0.0
[INFO] [stderr]   Downloaded redox_users v0.3.3
[INFO] [stderr]   Downloaded dirs-sys v0.3.4
[INFO] [stderr]   Downloaded utf8parse v0.1.1
[INFO] [stderr]   Downloaded memchr v2.3.0
[INFO] [stderr]   Downloaded fern v0.5.9
[INFO] [stderr]   Downloaded nom v5.1.0
[INFO] [stderr]   Downloaded backtrace v0.3.42
[INFO] [stderr]   Downloaded cedarwood v0.4.4
[INFO] [stderr]   Downloaded prometheus_exporter v0.4.1
[INFO] [stderr]   Downloaded protobuf v2.10.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] running `Command { std: "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" "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] 49ae05c2d719d8efcaddbf28b8d6d594aceb1bee61c97d75bf65471829b4e2f1
[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" "49ae05c2d719d8efcaddbf28b8d6d594aceb1bee61c97d75bf65471829b4e2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49ae05c2d719d8efcaddbf28b8d6d594aceb1bee61c97d75bf65471829b4e2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49ae05c2d719d8efcaddbf28b8d6d594aceb1bee61c97d75bf65471829b4e2f1", kill_on_drop: false }`
[INFO] [stdout] 49ae05c2d719d8efcaddbf28b8d6d594aceb1bee61c97d75bf65471829b4e2f1
[INFO] running `Command { std: "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" "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] d8493cb6817f8669be054e56b985e8f2935404fdbf7bbb2f743d43012f7a3951
[INFO] running `Command { std: "docker" "start" "-a" "d8493cb6817f8669be054e56b985e8f2935404fdbf7bbb2f743d43012f7a3951", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.10.1
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking cedarwood v0.4.4
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking tokio-timer v0.2.12
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking rustyline v6.0.0
[INFO] [stderr]     Checking prometheus_exporter v0.4.1
[INFO] [stderr]  Documenting pesh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/registry.rs:27:55
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub static ref REGISTRY: Mutex<DynamicRegistry> = { Mutex::new(DynamicRegistry::new()) };
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` 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 32.11s
[INFO] running `Command { std: "docker" "inspect" "d8493cb6817f8669be054e56b985e8f2935404fdbf7bbb2f743d43012f7a3951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8493cb6817f8669be054e56b985e8f2935404fdbf7bbb2f743d43012f7a3951", kill_on_drop: false }`
[INFO] [stdout] d8493cb6817f8669be054e56b985e8f2935404fdbf7bbb2f743d43012f7a3951