[INFO] fetching crate orf 0.1.0...
[INFO] documenting orf-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate orf 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate orf 0.1.0 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 orf 0.1.0
[INFO] finished tweaking crates.io crate orf 0.1.0
[INFO] tweaked toml for crates.io crate orf 0.1.0 written to /workspace/builds/worker-13/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]  Downloading crates ...
[INFO] [stderr]   Downloaded monster v0.1.28
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc2d646c22b38a518cb653bf81ce023f6b94b4a0225e7500cb14401ada46d47d
[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" "dc2d646c22b38a518cb653bf81ce023f6b94b4a0225e7500cb14401ada46d47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc2d646c22b38a518cb653bf81ce023f6b94b4a0225e7500cb14401ada46d47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2d646c22b38a518cb653bf81ce023f6b94b4a0225e7500cb14401ada46d47d", kill_on_drop: false }`
[INFO] [stdout] dc2d646c22b38a518cb653bf81ce023f6b94b4a0225e7500cb14401ada46d47d
[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" "+beta-2020-08-29" "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] 9cef9c7410398a2b88f4d991512df4079b5280e2486886f35af1d4dd938aec73
[INFO] running `Command { std: "docker" "start" "-a" "9cef9c7410398a2b88f4d991512df4079b5280e2486886f35af1d4dd938aec73", kill_on_drop: false }`
[INFO] [stderr]     Checking monster v0.1.28
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]    Compiling phf_macros v0.7.24
[INFO] [stderr]  Documenting orf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: /opt/rustwide/target/debug/deps/libphf_macros-874c467b0fdf9e3b.so: undefined symbol: __rustc_plugin_registrar_18dac258c55ae1e162a996bf7ea191ce__
[INFO] [stdout]  --> src/lib.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![plugin(phf_macros)]
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `orf`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name orf src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-a51781e4f82a69dc.rmeta --extern monster=/opt/rustwide/target/debug/deps/libmonster-2056c54e7dc08242.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-06474dfbcd7103d6.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-32f52af6107ca7f7.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-c8fb2cf102a18a0f.rmeta --extern phf_macros=/opt/rustwide/target/debug/deps/libphf_macros-874c467b0fdf9e3b.so --extern scoped_threadpool=/opt/rustwide/target/debug/deps/libscoped_threadpool-c264290d6b37b518.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "9cef9c7410398a2b88f4d991512df4079b5280e2486886f35af1d4dd938aec73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cef9c7410398a2b88f4d991512df4079b5280e2486886f35af1d4dd938aec73", kill_on_drop: false }`
[INFO] [stdout] 9cef9c7410398a2b88f4d991512df4079b5280e2486886f35af1d4dd938aec73