[INFO] fetching crate zeropool-bn 0.5.7...
[INFO] documenting zeropool-bn-0.5.7 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate zeropool-bn 0.5.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate zeropool-bn 0.5.7 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 zeropool-bn 0.5.7
[INFO] finished tweaking crates.io crate zeropool-bn 0.5.7
[INFO] tweaked toml for crates.io crate zeropool-bn 0.5.7 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate zeropool-bn 0.5.7 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded borsh-derive-internal v0.6.2
[INFO] [stderr]   Downloaded borsh-schema-derive-internal v0.6.2
[INFO] [stderr]   Downloaded rustc-hex v2.1.0
[INFO] [stderr]   Downloaded borsh v0.6.2
[INFO] [stderr]   Downloaded borsh-derive v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 6438f6690e06a78992c1c05a3eba0821b93cf1d168f39ae96d839d8707a30a00
[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" "6438f6690e06a78992c1c05a3eba0821b93cf1d168f39ae96d839d8707a30a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6438f6690e06a78992c1c05a3eba0821b93cf1d168f39ae96d839d8707a30a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6438f6690e06a78992c1c05a3eba0821b93cf1d168f39ae96d839d8707a30a00", kill_on_drop: false }`
[INFO] [stdout] 6438f6690e06a78992c1c05a3eba0821b93cf1d168f39ae96d839d8707a30a00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ed08e5c655fe0376e8af2f95c57e3071012166d24bd876b5da7f69a98f4f5e65
[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" "ed08e5c655fe0376e8af2f95c57e3071012166d24bd876b5da7f69a98f4f5e65", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling borsh-derive-internal v0.6.2
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.6.2
[INFO] [stderr]    Compiling borsh-derive v0.6.2
[INFO] [stderr]     Checking borsh v0.6.2
[INFO] [stderr]  Documenting zeropool-bn v0.5.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.71s
[INFO] running `Command { std: "docker" "inspect" "ed08e5c655fe0376e8af2f95c57e3071012166d24bd876b5da7f69a98f4f5e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed08e5c655fe0376e8af2f95c57e3071012166d24bd876b5da7f69a98f4f5e65", kill_on_drop: false }`
[INFO] [stdout] ed08e5c655fe0376e8af2f95c57e3071012166d24bd876b5da7f69a98f4f5e65