[INFO] fetching crate thingvellir 0.0.2-alpha1...
[INFO] documenting thingvellir-0.0.2-alpha1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate thingvellir 0.0.2-alpha1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate thingvellir 0.0.2-alpha1 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 thingvellir 0.0.2-alpha1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate thingvellir 0.0.2-alpha1
[INFO] tweaked toml for crates.io crate thingvellir 0.0.2-alpha1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate thingvellir 0.0.2-alpha1 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 ord_subset v1.2.0
[INFO] [stderr]   Downloaded discord-indexmap v1.4.0
[INFO] [stderr]   Downloaded cassandra-cpp-sys v0.12.1
[INFO] [stderr]   Downloaded discord-cassandra-cpp v0.15.1
[INFO] [stderr]   Downloaded dynamic-pool v0.2.2
[INFO] [stderr]   Downloaded decimal v1.0.1
[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] 2f7c97015cef2fb300ac37070463c88eb9b7c1c73117ca4345cac64a82b24556
[INFO] running `Command { std: "docker" "start" "-a" "2f7c97015cef2fb300ac37070463c88eb9b7c1c73117ca4345cac64a82b24556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f7c97015cef2fb300ac37070463c88eb9b7c1c73117ca4345cac64a82b24556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f7c97015cef2fb300ac37070463c88eb9b7c1c73117ca4345cac64a82b24556", kill_on_drop: false }`
[INFO] [stdout] 2f7c97015cef2fb300ac37070463c88eb9b7c1c73117ca4345cac64a82b24556
[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] 311c4e5d80ef951ca1701834c4fd070bd18ad600f0eb09c64d27a1e828c92e0f
[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" "311c4e5d80ef951ca1701834c4fd070bd18ad600f0eb09c64d27a1e828c92e0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling discord-indexmap v1.4.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking dynamic-pool v0.2.2
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]  Documenting thingvellir v0.0.2-alpha1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.23s
[INFO] running `Command { std: "docker" "inspect" "311c4e5d80ef951ca1701834c4fd070bd18ad600f0eb09c64d27a1e828c92e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "311c4e5d80ef951ca1701834c4fd070bd18ad600f0eb09c64d27a1e828c92e0f", kill_on_drop: false }`
[INFO] [stdout] 311c4e5d80ef951ca1701834c4fd070bd18ad600f0eb09c64d27a1e828c92e0f