[INFO] fetching crate assemblylift-core-event-guest 0.1.1...
[INFO] documenting assemblylift-core-event-guest-0.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate assemblylift-core-event-guest 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate assemblylift-core-event-guest 0.1.1 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 assemblylift-core-event-guest 0.1.1
[INFO] finished tweaking crates.io crate assemblylift-core-event-guest 0.1.1
[INFO] tweaked toml for crates.io crate assemblylift-core-event-guest 0.1.1 written to /workspace/builds/worker-2/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 assemblylift-core-event-common v0.1.0
[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] 24809951f4236e720af8b8d9b62f650d364d2b0988e6d260bf8d2780ffad7170
[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" "24809951f4236e720af8b8d9b62f650d364d2b0988e6d260bf8d2780ffad7170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24809951f4236e720af8b8d9b62f650d364d2b0988e6d260bf8d2780ffad7170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24809951f4236e720af8b8d9b62f650d364d2b0988e6d260bf8d2780ffad7170", kill_on_drop: false }`
[INFO] [stdout] 24809951f4236e720af8b8d9b62f650d364d2b0988e6d260bf8d2780ffad7170
[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] b996b57ffb75dfc3a7d748f461067b5017cfbf73f327b26a9d721385be2a9652
[INFO] running `Command { std: "docker" "start" "-a" "b996b57ffb75dfc3a7d748f461067b5017cfbf73f327b26a9d721385be2a9652", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking assemblylift-core-event-common v0.1.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]  Documenting assemblylift-core-event-guest v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.78s
[INFO] running `Command { std: "docker" "inspect" "b996b57ffb75dfc3a7d748f461067b5017cfbf73f327b26a9d721385be2a9652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b996b57ffb75dfc3a7d748f461067b5017cfbf73f327b26a9d721385be2a9652", kill_on_drop: false }`
[INFO] [stdout] b996b57ffb75dfc3a7d748f461067b5017cfbf73f327b26a9d721385be2a9652