[INFO] fetching crate gnutls-sys 0.1.2...
[INFO] documenting gnutls-sys-0.1.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate gnutls-sys 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate gnutls-sys 0.1.2 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 gnutls-sys 0.1.2
[INFO] finished tweaking crates.io crate gnutls-sys 0.1.2
[INFO] tweaked toml for crates.io crate gnutls-sys 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe38c83acee8a9743060a8178e026ba08f59c282256a75dfa3959f04ca0c24e6
[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" "fe38c83acee8a9743060a8178e026ba08f59c282256a75dfa3959f04ca0c24e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe38c83acee8a9743060a8178e026ba08f59c282256a75dfa3959f04ca0c24e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe38c83acee8a9743060a8178e026ba08f59c282256a75dfa3959f04ca0c24e6", kill_on_drop: false }`
[INFO] [stdout] fe38c83acee8a9743060a8178e026ba08f59c282256a75dfa3959f04ca0c24e6
[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" "+beta-2020-08-29" "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] a5b6ddd98df3c99dddee00757de721aade80be77ffe5c4e6088e7f542804e212
[INFO] running `Command { std: "docker" "start" "-a" "a5b6ddd98df3c99dddee00757de721aade80be77ffe5c4e6088e7f542804e212", kill_on_drop: false }`
[INFO] [stderr]    Compiling gnutls-sys v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> build.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | /     match pkg_config::find_library("gnutls") {
[INFO] [stdout] 6  | |         Ok(..) => return,
[INFO] [stdout] 7  | |         Err(e) => panic!("GnuTLS not found: {}", e),
[INFO] [stdout] 8  | |     }
[INFO] [stdout]    | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 9  | 
[INFO] [stdout] 10 |       println!("cargo:rustc-link-lib=gnutls");
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting gnutls-sys v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "a5b6ddd98df3c99dddee00757de721aade80be77ffe5c4e6088e7f542804e212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b6ddd98df3c99dddee00757de721aade80be77ffe5c4e6088e7f542804e212", kill_on_drop: false }`
[INFO] [stdout] a5b6ddd98df3c99dddee00757de721aade80be77ffe5c4e6088e7f542804e212