[INFO] fetching crate btleplug 0.5.1...
[INFO] documenting btleplug-0.5.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate btleplug 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate btleplug 0.5.1 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 crates.io crate btleplug 0.5.1
[INFO] finished tweaking crates.io crate btleplug 0.5.1
[INFO] tweaked toml for crates.io crate btleplug 0.5.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate btleplug 0.5.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded event-listener v2.2.0
[INFO] [stderr]   Downloaded parking v1.0.5
[INFO] [stderr]   Downloaded futures-lite v0.1.6
[INFO] [stderr]   Downloaded dashmap v3.11.7
[INFO] running `Command { std: "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" "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] cc55dd21ee1e2bb8735538aef87ac8241cfdaad0659d4324b47068d3c1245110
[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" "cc55dd21ee1e2bb8735538aef87ac8241cfdaad0659d4324b47068d3c1245110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc55dd21ee1e2bb8735538aef87ac8241cfdaad0659d4324b47068d3c1245110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc55dd21ee1e2bb8735538aef87ac8241cfdaad0659d4324b47068d3c1245110", kill_on_drop: false }`
[INFO] [stdout] cc55dd21ee1e2bb8735538aef87ac8241cfdaad0659d4324b47068d3c1245110
[INFO] running `Command { std: "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" "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] fb237a204fde7d385fe97202c00bd89c5204f181ed2706d00655291cd8574ee4
[INFO] running `Command { std: "docker" "start" "-a" "fb237a204fde7d385fe97202c00bd89c5204f181ed2706d00655291cd8574ee4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.65
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.65
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking event-listener v2.2.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking parking v1.0.5
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking concurrent-queue v1.1.1
[INFO] [stderr]     Checking futures-lite v0.1.6
[INFO] [stderr]     Checking async-channel v1.1.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking winrt v0.6.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking dashmap v3.11.7
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.65
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.65
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.65
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking js-sys v0.3.42
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking web-sys v0.3.42
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]  Documenting btleplug v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "fb237a204fde7d385fe97202c00bd89c5204f181ed2706d00655291cd8574ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb237a204fde7d385fe97202c00bd89c5204f181ed2706d00655291cd8574ee4", kill_on_drop: false }`
[INFO] [stdout] fb237a204fde7d385fe97202c00bd89c5204f181ed2706d00655291cd8574ee4