[INFO] cloning repository https://github.com/ABMatrix/merkle-patricia-trie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ABMatrix/merkle-patricia-trie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABMatrix%2Fmerkle-patricia-trie", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABMatrix%2Fmerkle-patricia-trie'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d06c34bc689b785c3293d57c0919624743be648
[INFO] documenting ABMatrix/merkle-patricia-trie against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FABMatrix%2Fmerkle-patricia-trie" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ABMatrix/merkle-patricia-trie 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 git repo https://github.com/ABMatrix/merkle-patricia-trie
[INFO] finished tweaking git repo https://github.com/ABMatrix/merkle-patricia-trie
[INFO] tweaked toml for git repo https://github.com/ABMatrix/merkle-patricia-trie written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ABMatrix/merkle-patricia-trie 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] [stderr]     Updating git repository `https://github.com/ABMatrix/parity-common.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.5.2
[INFO] [stderr]   Downloaded const-random v0.1.6
[INFO] [stderr]   Downloaded itertools v0.8.1
[INFO] [stderr]   Downloaded uint v0.5.0
[INFO] [stderr]   Downloaded ethereum-types v0.5.2
[INFO] [stderr]   Downloaded const-random-macro v0.1.6
[INFO] [stderr]   Downloaded impl-serde v0.2.3
[INFO] [stderr]   Downloaded criterion v0.2.11
[INFO] [stderr]   Downloaded impl-rlp v0.2.1
[INFO] [stderr]   Downloaded rand_xoshiro v0.1.0
[INFO] [stderr]   Downloaded ethereum-types-serialize v0.2.2
[INFO] [stderr]   Downloaded ahash v0.2.17
[INFO] [stderr]   Downloaded rlp v0.4.3
[INFO] [stderr]   Downloaded criterion-plot v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7daa073157bee9c331f011a8cf99386ffa68a9110c512f65493708f61b035707
[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" "7daa073157bee9c331f011a8cf99386ffa68a9110c512f65493708f61b035707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7daa073157bee9c331f011a8cf99386ffa68a9110c512f65493708f61b035707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7daa073157bee9c331f011a8cf99386ffa68a9110c512f65493708f61b035707", kill_on_drop: false }`
[INFO] [stdout] 7daa073157bee9c331f011a8cf99386ffa68a9110c512f65493708f61b035707
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] e820989311ce0a509e67c286b1db90a759a937397155a0ea915cd165aee7d799
[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" "e820989311ce0a509e67c286b1db90a759a937397155a0ea915cd165aee7d799", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]     Checking fixed-hash v0.5.0 (https://github.com/ABMatrix/parity-common.git#d45a0274)
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking rlp v0.4.2 (https://github.com/ABMatrix/parity-common.git#d45a0274)
[INFO] [stderr]     Checking uint v0.8.1 (https://github.com/ABMatrix/parity-common.git#d45a0274)
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking primitive-types v0.6.0 (https://github.com/ABMatrix/parity-common.git#d45a0274)
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking keccak-hash v0.4.0 (https://github.com/ABMatrix/parity-common.git#d45a0274)
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]     Checking const-random v0.1.6
[INFO] [stderr]     Checking ahash v0.2.17
[INFO] [stderr]  Documenting merkle_patricia_trie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.10s
[INFO] running `Command { std: "docker" "inspect" "e820989311ce0a509e67c286b1db90a759a937397155a0ea915cd165aee7d799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e820989311ce0a509e67c286b1db90a759a937397155a0ea915cd165aee7d799", kill_on_drop: false }`
[INFO] [stdout] e820989311ce0a509e67c286b1db90a759a937397155a0ea915cd165aee7d799