[INFO] fetching crate carp 0.1.0...
[INFO] documenting carp-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate carp 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate carp 0.1.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate carp 0.1.0
[INFO] finished tweaking crates.io crate carp 0.1.0
[INFO] tweaked toml for crates.io crate carp 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", 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] b6a5c1ce74cb7b10c08ce34d66bcafcd8db565b8204ed71eaf90176f61dea781
[INFO] running `Command { std: "docker" "start" "-a" "b6a5c1ce74cb7b10c08ce34d66bcafcd8db565b8204ed71eaf90176f61dea781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6a5c1ce74cb7b10c08ce34d66bcafcd8db565b8204ed71eaf90176f61dea781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a5c1ce74cb7b10c08ce34d66bcafcd8db565b8204ed71eaf90176f61dea781", kill_on_drop: false }`
[INFO] [stdout] b6a5c1ce74cb7b10c08ce34d66bcafcd8db565b8204ed71eaf90176f61dea781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f34f8ef85379d2a62affe9ff36cc11733eed5b3cfa6359e4740d36f4d74fa3d6
[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" "f34f8ef85379d2a62affe9ff36cc11733eed5b3cfa6359e4740d36f4d74fa3d6", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking pcap v0.5.7
[INFO] [stderr]  Documenting carp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static variable `received_signal` should have an upper case name
[INFO] [stdout]   --> src/carp.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | static mut received_signal: usize = 0;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RECEIVED_SIGNAL`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` 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 5.59s
[INFO] running `Command { std: "docker" "inspect" "f34f8ef85379d2a62affe9ff36cc11733eed5b3cfa6359e4740d36f4d74fa3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f34f8ef85379d2a62affe9ff36cc11733eed5b3cfa6359e4740d36f4d74fa3d6", kill_on_drop: false }`
[INFO] [stdout] f34f8ef85379d2a62affe9ff36cc11733eed5b3cfa6359e4740d36f4d74fa3d6