[INFO] fetching crate sp-block-builder 2.0.0-rc6...
[INFO] documenting sp-block-builder-2.0.0-rc6 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate sp-block-builder 2.0.0-rc6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sp-block-builder 2.0.0-rc6 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 sp-block-builder 2.0.0-rc6
[INFO] finished tweaking crates.io crate sp-block-builder 2.0.0-rc6
[INFO] tweaked toml for crates.io crate sp-block-builder 2.0.0-rc6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 09e8fff73303bec56a141ef97ad4f7c30c43d52d61979c9e6da4f9a67f881a36
[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" "09e8fff73303bec56a141ef97ad4f7c30c43d52d61979c9e6da4f9a67f881a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09e8fff73303bec56a141ef97ad4f7c30c43d52d61979c9e6da4f9a67f881a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e8fff73303bec56a141ef97ad4f7c30c43d52d61979c9e6da4f9a67f881a36", kill_on_drop: false }`
[INFO] [stdout] 09e8fff73303bec56a141ef97ad4f7c30c43d52d61979c9e6da4f9a67f881a36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 5c899daef1e44118c8599b4e0e7162da3b5f7e2befc12b3a5713c5d361ff48bd
[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" "5c899daef1e44118c8599b4e0e7162da3b5f7e2befc12b3a5713c5d361ff48bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking sp-panic-handler v2.0.0-rc6
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]     Checking sp-tracing v2.0.0-rc6
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking merlin v2.0.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking trie-db v0.22.1
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.0
[INFO] [stderr]     Checking parity-scale-codec v1.3.4
[INFO] [stderr]     Checking substrate-bip39 v0.4.2
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking sp-storage v2.0.0-rc6
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0-rc6
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-rc6
[INFO] [stderr]     Checking primitive-types v0.7.2
[INFO] [stderr]     Checking sp-externalities v0.8.0-rc6
[INFO] [stderr]     Checking parity-util-mem v0.7.0
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0-rc6
[INFO] [stderr]     Checking memory-db v0.24.1
[INFO] [stderr]     Checking sp-core v2.0.0-rc6
[INFO] [stderr]     Checking sp-trie v2.0.0-rc6
[INFO] [stderr]     Checking sp-inherents v2.0.0-rc6
[INFO] [stderr]     Checking sp-state-machine v0.8.0-rc6
[INFO] [stderr]     Checking sp-io v2.0.0-rc6
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-rc6
[INFO] [stderr]     Checking sp-runtime v2.0.0-rc6
[INFO] [stderr]     Checking sp-version v2.0.0-rc6
[INFO] [stderr]     Checking sp-api v2.0.0-rc6
[INFO] [stderr]  Documenting sp-block-builder v2.0.0-rc6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.93s
[INFO] running `Command { std: "docker" "inspect" "5c899daef1e44118c8599b4e0e7162da3b5f7e2befc12b3a5713c5d361ff48bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c899daef1e44118c8599b4e0e7162da3b5f7e2befc12b3a5713c5d361ff48bd", kill_on_drop: false }`
[INFO] [stdout] 5c899daef1e44118c8599b4e0e7162da3b5f7e2befc12b3a5713c5d361ff48bd