[INFO] fetching crate leo-lang 1.0.1...
[INFO] documenting leo-lang-1.0.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate leo-lang 1.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate leo-lang 1.0.1 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 crates.io crate leo-lang 1.0.1
[INFO] finished tweaking crates.io crate leo-lang 1.0.1
[INFO] tweaked toml for crates.io crate leo-lang 1.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate leo-lang 1.0.1 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2debc1247ed06e28fa5fae8386f30d824c68514d75e7de042775196cb1bea607
[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" "2debc1247ed06e28fa5fae8386f30d824c68514d75e7de042775196cb1bea607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2debc1247ed06e28fa5fae8386f30d824c68514d75e7de042775196cb1bea607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2debc1247ed06e28fa5fae8386f30d824c68514d75e7de042775196cb1bea607", kill_on_drop: false }`
[INFO] [stdout] 2debc1247ed06e28fa5fae8386f30d824c68514d75e7de042775196cb1bea607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] be65f46f96711b9edcf4d90ecf35d451e6ef2f40e2c1da132a856dc555fde7a5
[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" "be65f46f96711b9edcf4d90ecf35d451e6ef2f40e2c1da132a856dc555fde7a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
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[INFO] [stderr]     Checking leo-lang v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting leo-lang v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 39s
[INFO] running `Command { std: "docker" "inspect" "be65f46f96711b9edcf4d90ecf35d451e6ef2f40e2c1da132a856dc555fde7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be65f46f96711b9edcf4d90ecf35d451e6ef2f40e2c1da132a856dc555fde7a5", kill_on_drop: false }`
[INFO] [stdout] be65f46f96711b9edcf4d90ecf35d451e6ef2f40e2c1da132a856dc555fde7a5