[INFO] cloning repository https://github.com/qiuchengxuan/rust-packet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qiuchengxuan/rust-packet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiuchengxuan%2Frust-packet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiuchengxuan%2Frust-packet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fcc0a8d58437dd86668426c3db86a7fe2bb4e107
[INFO] documenting qiuchengxuan/rust-packet 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%2Fqiuchengxuan%2Frust-packet" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qiuchengxuan/rust-packet 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/qiuchengxuan/rust-packet
[INFO] finished tweaking git repo https://github.com/qiuchengxuan/rust-packet
[INFO] tweaked toml for git repo https://github.com/qiuchengxuan/rust-packet written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/qiuchengxuan/rust-packet 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 h2 v0.1.14
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.2
[INFO] [stderr]   Downloaded serde v1.0.81
[INFO] [stderr]   Downloaded hyper v0.12.17
[INFO] [stderr]   Downloaded enum-primitive-derive v0.1.2
[INFO] [stderr]   Downloaded hwaddr v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c2dd807be78d6ba1efb1bd8034d057f3c3a3289336196e90f443b2f5e8488455
[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" "c2dd807be78d6ba1efb1bd8034d057f3c3a3289336196e90f443b2f5e8488455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2dd807be78d6ba1efb1bd8034d057f3c3a3289336196e90f443b2f5e8488455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2dd807be78d6ba1efb1bd8034d057f3c3a3289336196e90f443b2f5e8488455", kill_on_drop: false }`
[INFO] [stdout] c2dd807be78d6ba1efb1bd8034d057f3c3a3289336196e90f443b2f5e8488455
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] db620780449b80a82dfcb8956ceb63b7d3eec4fc854fd956a16964e48dc92707
[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" "db620780449b80a82dfcb8956ceb63b7d3eec4fc854fd956a16964e48dc92707", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling rand_core v0.3.0
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[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling serde v1.0.81
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling ryu v0.2.7
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[INFO] [stderr]    Compiling openssl-probe v0.1.2
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[INFO] [stderr]    Compiling ucd-util v0.1.3
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[INFO] [stderr]    Compiling phf v0.7.23
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[INFO] [stderr]    Compiling tokio-executor v0.1.5
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[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
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[INFO] [stderr]    Compiling parking_lot_core v0.3.1
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[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
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[INFO] [stderr]    Compiling tokio-codec v0.1.1
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[INFO] [stderr]    Compiling tokio-reactor v0.1.7
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[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling h2 v0.1.14
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling hyper v0.12.17
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.5
[INFO] [stderr]    Compiling hwaddr v0.1.5
[INFO] [stderr]  Documenting packet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/afpacket/afpacket.rs:51:27
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 .and_then({ |_| mmap_rx_ring(self.socket.fd(), &options) })
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "db620780449b80a82dfcb8956ceb63b7d3eec4fc854fd956a16964e48dc92707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db620780449b80a82dfcb8956ceb63b7d3eec4fc854fd956a16964e48dc92707", kill_on_drop: false }`
[INFO] [stdout] db620780449b80a82dfcb8956ceb63b7d3eec4fc854fd956a16964e48dc92707