[INFO] fetching crate viscous 0.0.0...
[INFO] documenting viscous-0.0.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate viscous 0.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate viscous 0.0.0 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 viscous 0.0.0
[INFO] finished tweaking crates.io crate viscous 0.0.0
[INFO] tweaked toml for crates.io crate viscous 0.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate viscous 0.0.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded vfs v0.2.1
[INFO] [stderr]   Downloaded thrussh v0.22.1
[INFO] [stderr]   Downloaded thrussh-keys v0.13.1
[INFO] [stderr]   Downloaded thrussh-libsodium v0.2.0
[INFO] [stderr]   Downloaded mini-fs v0.2.2
[INFO] [stderr]   Downloaded cryptovec v0.5.0
[INFO] [stderr]   Downloaded twitter-stream v0.10.0-alpha.6
[INFO] [stderr]   Downloaded oauth1-request-derive v0.3.2
[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] 09f09d0919a294968f9e38c07e7508cd3107ed0772e581d3dc3b006071ff701d
[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" "09f09d0919a294968f9e38c07e7508cd3107ed0772e581d3dc3b006071ff701d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09f09d0919a294968f9e38c07e7508cd3107ed0772e581d3dc3b006071ff701d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f09d0919a294968f9e38c07e7508cd3107ed0772e581d3dc3b006071ff701d", kill_on_drop: false }`
[INFO] [stdout] 09f09d0919a294968f9e38c07e7508cd3107ed0772e581d3dc3b006071ff701d
[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] e426ef372b141b4f547154d06038b1b709f76a9dbdba42064ad73f94a1f1c90b
[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" "e426ef372b141b4f547154d06038b1b709f76a9dbdba42064ad73f94a1f1c90b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking data-encoding v2.2.0
[INFO] [stderr]     Checking vfs v0.2.1
[INFO] [stderr]    Compiling thrussh-libsodium v0.1.4
[INFO] [stderr]    Compiling thrussh-libsodium v0.2.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking backtrace-sys v0.1.35
[INFO] [stderr]     Checking bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]     Checking async-compression v0.3.2
[INFO] [stderr]     Checking shellwords v1.0.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking cryptovec v0.5.0
[INFO] [stderr]     Checking mini-fs v0.2.2
[INFO] [stderr]     Checking yasna v0.3.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling oauth1-request-derive v0.3.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking thrussh-keys v0.13.1
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking oauth1-request v0.3.2
[INFO] [stderr]     Checking thrussh v0.22.1
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking twitter-stream v0.10.0-alpha.6
[INFO] [stderr]  Documenting viscous v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.23s
[INFO] running `Command { std: "docker" "inspect" "e426ef372b141b4f547154d06038b1b709f76a9dbdba42064ad73f94a1f1c90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e426ef372b141b4f547154d06038b1b709f76a9dbdba42064ad73f94a1f1c90b", kill_on_drop: false }`
[INFO] [stdout] e426ef372b141b4f547154d06038b1b709f76a9dbdba42064ad73f94a1f1c90b