[INFO] fetching crate wasm-bindgen-test-project-builder 0.2.15...
[INFO] documenting wasm-bindgen-test-project-builder-0.2.15 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate wasm-bindgen-test-project-builder 0.2.15 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wasm-bindgen-test-project-builder 0.2.15 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 wasm-bindgen-test-project-builder 0.2.15
[INFO] finished tweaking crates.io crate wasm-bindgen-test-project-builder 0.2.15
[INFO] tweaked toml for crates.io crate wasm-bindgen-test-project-builder 0.2.15 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmi v0.3.0
[INFO] [stderr]   Downloaded nan-preserving-float v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-cli-support v0.2.15
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.15
[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] 52ddf317f6e1ba4cdad8f56c145b5d65056d883d7afa92521b04eff129b19b5c
[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" "52ddf317f6e1ba4cdad8f56c145b5d65056d883d7afa92521b04eff129b19b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52ddf317f6e1ba4cdad8f56c145b5d65056d883d7afa92521b04eff129b19b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ddf317f6e1ba4cdad8f56c145b5d65056d883d7afa92521b04eff129b19b5c", kill_on_drop: false }`
[INFO] [stdout] 52ddf317f6e1ba4cdad8f56c145b5d65056d883d7afa92521b04eff129b19b5c
[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] 8d9d5107a82db4ecbbe6ebb09fecafa24268dee29778630eab7015b121b5e614
[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" "8d9d5107a82db4ecbbe6ebb09fecafa24268dee29778630eab7015b121b5e614", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.15
[INFO] [stderr]     Checking nan-preserving-float v0.1.0
[INFO] [stderr]     Checking parity-wasm v0.32.0
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking wasm-gc-api v0.1.11
[INFO] [stderr]     Checking wasmi v0.3.0
[INFO] [stderr]     Checking wasm-bindgen-cli-support v0.2.15
[INFO] [stderr]  Documenting wasm-bindgen-test-project-builder v0.2.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.75s
[INFO] running `Command { std: "docker" "inspect" "8d9d5107a82db4ecbbe6ebb09fecafa24268dee29778630eab7015b121b5e614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d9d5107a82db4ecbbe6ebb09fecafa24268dee29778630eab7015b121b5e614", kill_on_drop: false }`
[INFO] [stdout] 8d9d5107a82db4ecbbe6ebb09fecafa24268dee29778630eab7015b121b5e614