[INFO] fetching crate sp-offchain 2.0.0-rc4...
[INFO] documenting sp-offchain-2.0.0-rc4 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate sp-offchain 2.0.0-rc4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sp-offchain 2.0.0-rc4 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sp-offchain 2.0.0-rc4
[INFO] finished tweaking crates.io crate sp-offchain 2.0.0-rc4
[INFO] tweaked toml for crates.io crate sp-offchain 2.0.0-rc4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", 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] 9bdc27f9479b16cf9dd355c2f4343b49fcd63588a948d2a0392b104bf2af1c91
[INFO] running `Command { std: "docker" "start" "-a" "9bdc27f9479b16cf9dd355c2f4343b49fcd63588a948d2a0392b104bf2af1c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bdc27f9479b16cf9dd355c2f4343b49fcd63588a948d2a0392b104bf2af1c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bdc27f9479b16cf9dd355c2f4343b49fcd63588a948d2a0392b104bf2af1c91", kill_on_drop: false }`
[INFO] [stdout] 9bdc27f9479b16cf9dd355c2f4343b49fcd63588a948d2a0392b104bf2af1c91
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ade5039323f5d0fe9b558a6917b2a1f724c23619a2d72c0e6623bb45bda4eef9
[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" "ade5039323f5d0fe9b558a6917b2a1f724c23619a2d72c0e6623bb45bda4eef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking parity-scale-codec v1.3.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-rc4
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking sp-externalities v0.8.0-rc4
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0-rc4
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-rc4
[INFO] [stderr]     Checking primitive-types v0.7.2
[INFO] [stderr]     Checking parity-util-mem v0.6.1
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0-rc4
[INFO] [stderr]     Checking memory-db v0.21.0
[INFO] [stderr]     Checking sp-core v2.0.0-rc4
[INFO] [stderr]     Checking sp-trie v2.0.0-rc4
[INFO] [stderr]     Checking sp-inherents v2.0.0-rc4
[INFO] [stderr]     Checking sp-state-machine v0.8.0-rc4
[INFO] [stderr]     Checking sp-io v2.0.0-rc4
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-rc4
[INFO] [stderr]     Checking sp-runtime v2.0.0-rc4
[INFO] [stderr]     Checking sp-version v2.0.0-rc4
[INFO] [stderr]     Checking sp-api v2.0.0-rc4
[INFO] [stderr]  Documenting sp-offchain v2.0.0-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "ade5039323f5d0fe9b558a6917b2a1f724c23619a2d72c0e6623bb45bda4eef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade5039323f5d0fe9b558a6917b2a1f724c23619a2d72c0e6623bb45bda4eef9", kill_on_drop: false }`
[INFO] [stdout] ade5039323f5d0fe9b558a6917b2a1f724c23619a2d72c0e6623bb45bda4eef9