[INFO] cloning repository https://github.com/jayphelps/using-llvm-from-rust-to-generate-webassembly
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jayphelps/using-llvm-from-rust-to-generate-webassembly" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayphelps%2Fusing-llvm-from-rust-to-generate-webassembly", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayphelps%2Fusing-llvm-from-rust-to-generate-webassembly'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 410ff2d39392ca81728bbc3bf853f10ed3de2580
[INFO] documenting jayphelps/using-llvm-from-rust-to-generate-webassembly against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayphelps%2Fusing-llvm-from-rust-to-generate-webassembly" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jayphelps/using-llvm-from-rust-to-generate-webassembly on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jayphelps/using-llvm-from-rust-to-generate-webassembly
[INFO] finished tweaking git repo https://github.com/jayphelps/using-llvm-from-rust-to-generate-webassembly
[INFO] tweaked toml for git repo https://github.com/jayphelps/using-llvm-from-rust-to-generate-webassembly written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/jayphelps/using-llvm-from-rust-to-generate-webassembly already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1e58307757eb0964d328ccd50f6591289b969a723fd68843560f3459c9e5b71
[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" "a1e58307757eb0964d328ccd50f6591289b969a723fd68843560f3459c9e5b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1e58307757eb0964d328ccd50f6591289b969a723fd68843560f3459c9e5b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e58307757eb0964d328ccd50f6591289b969a723fd68843560f3459c9e5b71", kill_on_drop: false }`
[INFO] [stdout] a1e58307757eb0964d328ccd50f6591289b969a723fd68843560f3459c9e5b71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f8c5bc7c7eade999e8873a7a44782a8646ffb07b38e53d54d93d1e2c627ff8d
[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" "1f8c5bc7c7eade999e8873a7a44782a8646ffb07b38e53d54d93d1e2c627ff8d", 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 libc v0.2.40
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling llvm-sys v60.0.2
[INFO] [stderr]  Documenting repo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.12s
[INFO] running `Command { std: "docker" "inspect" "1f8c5bc7c7eade999e8873a7a44782a8646ffb07b38e53d54d93d1e2c627ff8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8c5bc7c7eade999e8873a7a44782a8646ffb07b38e53d54d93d1e2c627ff8d", kill_on_drop: false }`
[INFO] [stdout] 1f8c5bc7c7eade999e8873a7a44782a8646ffb07b38e53d54d93d1e2c627ff8d