[INFO] fetching crate crdts 4.2.0...
[INFO] documenting crdts-4.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate crdts 4.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate crdts 4.2.0 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 crdts 4.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate crdts 4.2.0
[INFO] tweaked toml for crates.io crate crdts 4.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate crdts 4.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 85346e17f502c54b0c09abd71311b36558dda03cd8d5f7c0a65fdaf22fe3ec88
[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" "85346e17f502c54b0c09abd71311b36558dda03cd8d5f7c0a65fdaf22fe3ec88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85346e17f502c54b0c09abd71311b36558dda03cd8d5f7c0a65fdaf22fe3ec88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85346e17f502c54b0c09abd71311b36558dda03cd8d5f7c0a65fdaf22fe3ec88", kill_on_drop: false }`
[INFO] [stdout] 85346e17f502c54b0c09abd71311b36558dda03cd8d5f7c0a65fdaf22fe3ec88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8a67a6d80f75f5b74cf41e521803c0afc2bd867fe6a735043be7d5c2006f58b3
[INFO] running `Command { std: "docker" "start" "-a" "8a67a6d80f75f5b74cf41e521803c0afc2bd867fe6a735043be7d5c2006f58b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]  Documenting crdts v4.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.30s
[INFO] running `Command { std: "docker" "inspect" "8a67a6d80f75f5b74cf41e521803c0afc2bd867fe6a735043be7d5c2006f58b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a67a6d80f75f5b74cf41e521803c0afc2bd867fe6a735043be7d5c2006f58b3", kill_on_drop: false }`
[INFO] [stdout] 8a67a6d80f75f5b74cf41e521803c0afc2bd867fe6a735043be7d5c2006f58b3