[INFO] fetching crate bui-backend 0.8.0...
[INFO] documenting bui-backend-0.8.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate bui-backend 0.8.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bui-backend 0.8.0 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 bui-backend 0.8.0
[INFO] finished tweaking crates.io crate bui-backend 0.8.0
[INFO] tweaked toml for crates.io crate bui-backend 0.8.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 jsonwebtoken v6.0.1
[INFO] [stderr]   Downloaded stream-cancel v0.5.2
[INFO] [stderr]   Downloaded bui-backend-codegen v0.8.0
[INFO] [stderr]   Downloaded bui-backend-types v0.8.0
[INFO] [stderr]   Downloaded async-change-tracker v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96fd5cf6366768eece2cba77181c32124e027f74e95ff56796a1d3054bb06e32
[INFO] running `Command { std: "docker" "start" "-a" "96fd5cf6366768eece2cba77181c32124e027f74e95ff56796a1d3054bb06e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96fd5cf6366768eece2cba77181c32124e027f74e95ff56796a1d3054bb06e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96fd5cf6366768eece2cba77181c32124e027f74e95ff56796a1d3054bb06e32", kill_on_drop: false }`
[INFO] [stdout] 96fd5cf6366768eece2cba77181c32124e027f74e95ff56796a1d3054bb06e32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 68ce36f43899c4b25aaf78f78e6b05f7d79daf6b4504cece14164a159818bb1e
[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" "68ce36f43899c4b25aaf78f78e6b05f7d79daf6b4504cece14164a159818bb1e", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking includedir v0.5.0
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking phf_generator v0.7.24
[INFO] [stderr]     Checking phf_codegen v0.7.24
[INFO] [stderr]     Checking includedir_codegen v0.5.0
[INFO] [stderr]     Checking bui-backend-codegen v0.8.0
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking bui-backend-types v0.8.0
[INFO] [stderr]     Checking jsonwebtoken v6.0.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking stream-cancel v0.5.2
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking async-change-tracker v0.3.0
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]  Documenting bui-backend v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.53s
[INFO] running `Command { std: "docker" "inspect" "68ce36f43899c4b25aaf78f78e6b05f7d79daf6b4504cece14164a159818bb1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68ce36f43899c4b25aaf78f78e6b05f7d79daf6b4504cece14164a159818bb1e", kill_on_drop: false }`
[INFO] [stdout] 68ce36f43899c4b25aaf78f78e6b05f7d79daf6b4504cece14164a159818bb1e