[INFO] cloning repository https://github.com/badboy/redis-zrangescore-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/badboy/redis-zrangescore-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fredis-zrangescore-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fredis-zrangescore-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abad98290532d88cda71b3da3057757ca31551f4
[INFO] documenting badboy/redis-zrangescore-example 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%2Fbadboy%2Fredis-zrangescore-example" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/badboy/redis-zrangescore-example 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/badboy/redis-zrangescore-example
[INFO] finished tweaking git repo https://github.com/badboy/redis-zrangescore-example
[INFO] tweaked toml for git repo https://github.com/badboy/redis-zrangescore-example written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/badboy/redis-zrangescore-example 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/mitsuhiko/redis-rs/`
[INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/mitsuhiko/redis-rs/`
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded fastrand v1.3.5
[INFO] [stderr]   Downloaded async-channel v1.4.1
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded async-mutex v1.2.0
[INFO] [stderr]   Downloaded vec-arena v0.5.2
[INFO] [stderr]   Downloaded polling v0.1.8
[INFO] [stderr]   Downloaded event-listener v2.4.0
[INFO] [stderr]   Downloaded combine v4.3.1
[INFO] [stderr]   Downloaded async-trait v0.1.40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 567e8b315f3190b654c81be1cf23e6f324968fd1b2150237dbe01b14acc71b6f
[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" "567e8b315f3190b654c81be1cf23e6f324968fd1b2150237dbe01b14acc71b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "567e8b315f3190b654c81be1cf23e6f324968fd1b2150237dbe01b14acc71b6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "567e8b315f3190b654c81be1cf23e6f324968fd1b2150237dbe01b14acc71b6f", kill_on_drop: false }`
[INFO] [stdout] 567e8b315f3190b654c81be1cf23e6f324968fd1b2150237dbe01b14acc71b6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 0739c68ad4fbb29eed32a01f0e954d3df2b8389088d39bc6e718e50abd78d4d0
[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" "0739c68ad4fbb29eed32a01f0e954d3df2b8389088d39bc6e718e50abd78d4d0", kill_on_drop: false }`
[INFO] [stderr]     Checking polling v0.1.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]     Checking combine v4.3.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking redis v0.17.1-alpha.0 (https://github.com/mitsuhiko/redis-rs/#7a3a4c2d)
[INFO] [stderr]  Documenting redis-zrangescore-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.37s
[INFO] running `Command { std: "docker" "inspect" "0739c68ad4fbb29eed32a01f0e954d3df2b8389088d39bc6e718e50abd78d4d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0739c68ad4fbb29eed32a01f0e954d3df2b8389088d39bc6e718e50abd78d4d0", kill_on_drop: false }`
[INFO] [stdout] 0739c68ad4fbb29eed32a01f0e954d3df2b8389088d39bc6e718e50abd78d4d0