[INFO] cloning repository https://github.com/akritrime/cargo-wasm-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akritrime/cargo-wasm-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakritrime%2Fcargo-wasm-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakritrime%2Fcargo-wasm-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45fb2292d5424871294185c22ea1da40ee3b63a5
[INFO] documenting akritrime/cargo-wasm-tool against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakritrime%2Fcargo-wasm-tool" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akritrime/cargo-wasm-tool 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 git repo https://github.com/akritrime/cargo-wasm-tool
[INFO] finished tweaking git repo https://github.com/akritrime/cargo-wasm-tool
[INFO] tweaked toml for git repo https://github.com/akritrime/cargo-wasm-tool written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/akritrime/cargo-wasm-tool already has a lockfile, it will not be regenerated
[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 quote v0.5.1
[INFO] [stderr]   Downloaded serde_derive_internals v0.23.0
[INFO] [stderr]   Downloaded proc-macro2 v0.3.6
[INFO] [stderr]   Downloaded rustc-demangle v0.1.7
[INFO] [stderr]   Downloaded serde_json v1.0.13
[INFO] [stderr]   Downloaded serde_derive v1.0.37
[INFO] [stderr]   Downloaded backtrace v0.3.6
[INFO] [stderr]   Downloaded cargo_metadata v0.5.4
[INFO] [stderr]   Downloaded cc v1.0.10
[INFO] [stderr]   Downloaded serde v1.0.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] af626496b7bdf9b73a354fdd6f4ac8f8e28a9087557f79b5f0b87a5ce59db040
[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" "af626496b7bdf9b73a354fdd6f4ac8f8e28a9087557f79b5f0b87a5ce59db040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af626496b7bdf9b73a354fdd6f4ac8f8e28a9087557f79b5f0b87a5ce59db040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af626496b7bdf9b73a354fdd6f4ac8f8e28a9087557f79b5f0b87a5ce59db040", kill_on_drop: false }`
[INFO] [stdout] af626496b7bdf9b73a354fdd6f4ac8f8e28a9087557f79b5f0b87a5ce59db040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 2a4ac3f526fd9ef6516deb0d9da91f7b96471372e2286913bbd7b8cdea146f08
[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" "2a4ac3f526fd9ef6516deb0d9da91f7b96471372e2286913bbd7b8cdea146f08", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]     Checking backtrace v0.3.6
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking cargo_metadata v0.5.4
[INFO] [stderr]  Documenting cargo-wasm-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.96s
[INFO] running `Command { std: "docker" "inspect" "2a4ac3f526fd9ef6516deb0d9da91f7b96471372e2286913bbd7b8cdea146f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4ac3f526fd9ef6516deb0d9da91f7b96471372e2286913bbd7b8cdea146f08", kill_on_drop: false }`
[INFO] [stdout] 2a4ac3f526fd9ef6516deb0d9da91f7b96471372e2286913bbd7b8cdea146f08