[INFO] fetching crate wasmer-as 0.3.0-alpha.4...
[INFO] documenting wasmer-as-0.3.0-alpha.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate wasmer-as 0.3.0-alpha.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate wasmer-as 0.3.0-alpha.4 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-as 0.3.0-alpha.4
[INFO] finished tweaking crates.io crate wasmer-as 0.3.0-alpha.4
[INFO] tweaked toml for crates.io crate wasmer-as 0.3.0-alpha.4 written to /workspace/builds/worker-10/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ucs2 v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 44c0e07f984c6e403aa69334ee2e289872566617ee17218c898de01d2b3fef09
[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" "44c0e07f984c6e403aa69334ee2e289872566617ee17218c898de01d2b3fef09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44c0e07f984c6e403aa69334ee2e289872566617ee17218c898de01d2b3fef09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c0e07f984c6e403aa69334ee2e289872566617ee17218c898de01d2b3fef09", kill_on_drop: false }`
[INFO] [stdout] 44c0e07f984c6e403aa69334ee2e289872566617ee17218c898de01d2b3fef09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] f2b06d5dcbddc5526febcae4ad98824c4fd4d4f279207354536ce3f98d7f7288
[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" "f2b06d5dcbddc5526febcae4ad98824c4fd4d4f279207354536ce3f98d7f7288", kill_on_drop: false }`
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde-bench v0.0.7
[INFO] [stderr]     Checking indexmap v1.5.2
[INFO] [stderr]     Checking ucs2 v0.3.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling wasmer-runtime-core v0.17.1
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling wasmer-as v0.3.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting wasmer-as v0.3.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.79s
[INFO] running `Command { std: "docker" "inspect" "f2b06d5dcbddc5526febcae4ad98824c4fd4d4f279207354536ce3f98d7f7288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b06d5dcbddc5526febcae4ad98824c4fd4d4f279207354536ce3f98d7f7288", kill_on_drop: false }`
[INFO] [stdout] f2b06d5dcbddc5526febcae4ad98824c4fd4d4f279207354536ce3f98d7f7288