[INFO] fetching crate wasmtime-debug 0.19.0...
[INFO] documenting wasmtime-debug-0.19.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate wasmtime-debug 0.19.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wasmtime-debug 0.19.0 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 wasmtime-debug 0.19.0
[INFO] finished tweaking crates.io crate wasmtime-debug 0.19.0
[INFO] tweaked toml for crates.io crate wasmtime-debug 0.19.0 written to /workspace/builds/worker-4/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] 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] 556b4d3a3b3469e059822f143a9e53747ed3f1898ad424f75849e32d92edc2b8
[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" "556b4d3a3b3469e059822f143a9e53747ed3f1898ad424f75849e32d92edc2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "556b4d3a3b3469e059822f143a9e53747ed3f1898ad424f75849e32d92edc2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556b4d3a3b3469e059822f143a9e53747ed3f1898ad424f75849e32d92edc2b8", kill_on_drop: false }`
[INFO] [stdout] 556b4d3a3b3469e059822f143a9e53747ed3f1898ad424f75849e32d92edc2b8
[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] [stdout] 4dc4ee7ba27d252082697e91d191b9763a5c90f93fdb74c338cb9f09b706d73f
[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" "4dc4ee7ba27d252082697e91d191b9763a5c90f93fdb74c338cb9f09b706d73f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.66.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling wasmtime-environ v0.19.0
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking regalloc v0.0.27
[INFO] [stderr]     Checking file-per-thread-logger v0.1.4
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]     Checking indexmap v1.5.2
[INFO] [stderr]     Checking cranelift-entity v0.66.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking cranelift-bforest v0.66.0
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.66.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling cranelift-codegen v0.66.0
[INFO] [stderr]     Checking zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]     Checking zstd v0.5.3+zstd.1.4.5
[INFO] [stderr]     Checking cranelift-frontend v0.66.0
[INFO] [stderr]     Checking cranelift-wasm v0.66.0
[INFO] [stderr]  Documenting wasmtime-debug v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 29s
[INFO] running `Command { std: "docker" "inspect" "4dc4ee7ba27d252082697e91d191b9763a5c90f93fdb74c338cb9f09b706d73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc4ee7ba27d252082697e91d191b9763a5c90f93fdb74c338cb9f09b706d73f", kill_on_drop: false }`
[INFO] [stdout] 4dc4ee7ba27d252082697e91d191b9763a5c90f93fdb74c338cb9f09b706d73f