[INFO] fetching crate bitsors 0.1.1...
[INFO] documenting bitsors-0.1.1 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate bitsors 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bitsors 0.1.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitsors 0.1.1
[INFO] finished tweaking crates.io crate bitsors 0.1.1
[INFO] tweaked toml for crates.io crate bitsors 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate bitsors 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecafbd847e6a22e477ee58c2e08c94f6bd0025f530df7e2f8fa325e9c687d021
[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" "ecafbd847e6a22e477ee58c2e08c94f6bd0025f530df7e2f8fa325e9c687d021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecafbd847e6a22e477ee58c2e08c94f6bd0025f530df7e2f8fa325e9c687d021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecafbd847e6a22e477ee58c2e08c94f6bd0025f530df7e2f8fa325e9c687d021", kill_on_drop: false }`
[INFO] [stdout] ecafbd847e6a22e477ee58c2e08c94f6bd0025f530df7e2f8fa325e9c687d021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.47.0" "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] d7fc41f0244e1078bec2028ef77ecbfa441695d99dc74dc73c9d4c88c1cd936c
[INFO] running `Command { std: "docker" "start" "-a" "d7fc41f0244e1078bec2028ef77ecbfa441695d99dc74dc73c9d4c88c1cd936c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling cc v1.0.53
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]  Documenting bitsors v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.37s
[INFO] running `Command { std: "docker" "inspect" "d7fc41f0244e1078bec2028ef77ecbfa441695d99dc74dc73c9d4c88c1cd936c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7fc41f0244e1078bec2028ef77ecbfa441695d99dc74dc73c9d4c88c1cd936c", kill_on_drop: false }`
[INFO] [stdout] d7fc41f0244e1078bec2028ef77ecbfa441695d99dc74dc73c9d4c88c1cd936c
