[INFO] fetching crate cleartor 0.1.6...
[INFO] documenting cleartor-0.1.6 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cleartor 0.1.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cleartor 0.1.6 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 cleartor 0.1.6
[INFO] finished tweaking crates.io crate cleartor 0.1.6
[INFO] tweaked toml for crates.io crate cleartor 0.1.6 written to /workspace/builds/worker-1/source/Cargo.toml
[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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socks v0.3.2
[INFO] [stderr]   Downloaded hyper-socks2 v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7b6b737bf3dee086b3418682256cfeec8bdd3f18c514d1cb8e644cff56914147
[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" "7b6b737bf3dee086b3418682256cfeec8bdd3f18c514d1cb8e644cff56914147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b6b737bf3dee086b3418682256cfeec8bdd3f18c514d1cb8e644cff56914147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6b737bf3dee086b3418682256cfeec8bdd3f18c514d1cb8e644cff56914147", kill_on_drop: false }`
[INFO] [stdout] 7b6b737bf3dee086b3418682256cfeec8bdd3f18c514d1cb8e644cff56914147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] f1d2bbc17e39909f43a7ec35185eb148f932c930f379ba9a3975a7fd7770da7a
[INFO] running `Command { std: "docker" "start" "-a" "f1d2bbc17e39909f43a7ec35185eb148f932c930f379ba9a3975a7fd7770da7a", kill_on_drop: false }`
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking socks v0.3.2
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking hyper-socks2 v0.2.1
[INFO] [stderr]  Documenting cleartor v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.14s
[INFO] running `Command { std: "docker" "inspect" "f1d2bbc17e39909f43a7ec35185eb148f932c930f379ba9a3975a7fd7770da7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d2bbc17e39909f43a7ec35185eb148f932c930f379ba9a3975a7fd7770da7a", kill_on_drop: false }`
[INFO] [stdout] f1d2bbc17e39909f43a7ec35185eb148f932c930f379ba9a3975a7fd7770da7a