[INFO] fetching crate wasmer-engine-native 1.0.0-alpha01.0...
[INFO] documenting wasmer-engine-native-1.0.0-alpha01.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate wasmer-engine-native 1.0.0-alpha01.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate wasmer-engine-native 1.0.0-alpha01.0 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 wasmer-engine-native 1.0.0-alpha01.0
[INFO] finished tweaking crates.io crate wasmer-engine-native 1.0.0-alpha01.0
[INFO] tweaked toml for crates.io crate wasmer-engine-native 1.0.0-alpha01.0 written to /workspace/builds/worker-12/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 wasmer-object v1.0.0-alpha01.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c1e67857236a50fc34670648c3b15239c442437ba77403fd0e9fbd2ccfac127f
[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" "c1e67857236a50fc34670648c3b15239c442437ba77403fd0e9fbd2ccfac127f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1e67857236a50fc34670648c3b15239c442437ba77403fd0e9fbd2ccfac127f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e67857236a50fc34670648c3b15239c442437ba77403fd0e9fbd2ccfac127f", kill_on_drop: false }`
[INFO] [stdout] c1e67857236a50fc34670648c3b15239c442437ba77403fd0e9fbd2ccfac127f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 89246aa3a28001d8ef0da5edd975295f3223caff31afbe2ebdeabf0c9169c922
[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" "89246aa3a28001d8ef0da5edd975295f3223caff31afbe2ebdeabf0c9169c922", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling wasmer-vm v1.0.0-alpha01.0
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr]     Checking enumset v1.0.1
[INFO] [stderr]     Checking indexmap v1.5.2
[INFO] [stderr]     Checking cranelift-entity v0.65.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking wasmer-types v1.0.0-alpha01.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking wasmer-compiler v1.0.0-alpha01.0
[INFO] [stderr]     Checking wasmer-engine v1.0.0-alpha01.0
[INFO] [stderr]     Checking wasmer-object v1.0.0-alpha01.0
[INFO] [stderr]  Documenting wasmer-engine-native v1.0.0-alpha01.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.94s
[INFO] running `Command { std: "docker" "inspect" "89246aa3a28001d8ef0da5edd975295f3223caff31afbe2ebdeabf0c9169c922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89246aa3a28001d8ef0da5edd975295f3223caff31afbe2ebdeabf0c9169c922", kill_on_drop: false }`
[INFO] [stdout] 89246aa3a28001d8ef0da5edd975295f3223caff31afbe2ebdeabf0c9169c922