[INFO] fetching crate leo-ast 1.0.1...
[INFO] documenting leo-ast-1.0.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate leo-ast 1.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate leo-ast 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-ast 1.0.1
[INFO] finished tweaking crates.io crate leo-ast 1.0.1
[INFO] tweaked toml for crates.io crate leo-ast 1.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate leo-ast 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c23d88b1d3c0a689b62ae694a6709a591b926c955313019840fe43beaf235812
[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" "c23d88b1d3c0a689b62ae694a6709a591b926c955313019840fe43beaf235812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c23d88b1d3c0a689b62ae694a6709a591b926c955313019840fe43beaf235812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23d88b1d3c0a689b62ae694a6709a591b926c955313019840fe43beaf235812", kill_on_drop: false }`
[INFO] [stdout] c23d88b1d3c0a689b62ae694a6709a591b926c955313019840fe43beaf235812
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b9d4a6f16fd5e8e8a82184f0e81fda38a3b5a7ed77a64767b07d1166f61aa16c
[INFO] running `Command { std: "docker" "start" "-a" "b9d4a6f16fd5e8e8a82184f0e81fda38a3b5a7ed77a64767b07d1166f61aa16c", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `leo_ast` in package `leo-ast v1.0.1 (/opt/rustwide/workdir)` has the same output filename as the lib target `leo-ast` in package `leo-ast v1.0.1 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/leo_ast/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.46.0 (149022b1d 2020-07-17) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "leo-ast", version: "1.0.1", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "leo_ast", doc: true, ..: with_path("/opt/rustwide/workdir/src/main.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: ["default"] }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "leo-ast", version: "1.0.1", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("leo-ast", ["lib"], "/opt/rustwide/workdir/src/lib.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: ["default"] }
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]     Checking from-pest v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling single v1.0.0
[INFO] [stderr]    Compiling pest-ast v0.3.3
[INFO] [stderr]     Checking leo-ast v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting leo-ast v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.97s
[INFO] running `Command { std: "docker" "inspect" "b9d4a6f16fd5e8e8a82184f0e81fda38a3b5a7ed77a64767b07d1166f61aa16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d4a6f16fd5e8e8a82184f0e81fda38a3b5a7ed77a64767b07d1166f61aa16c", kill_on_drop: false }`
[INFO] [stdout] b9d4a6f16fd5e8e8a82184f0e81fda38a3b5a7ed77a64767b07d1166f61aa16c