[INFO] fetching crate libftdi1-sys 1.0.0...
[INFO] documenting libftdi1-sys-1.0.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate libftdi1-sys 1.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate libftdi1-sys 1.0.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libftdi1-sys 1.0.0
[INFO] finished tweaking crates.io crate libftdi1-sys 1.0.0
[INFO] tweaked toml for crates.io crate libftdi1-sys 1.0.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate libftdi1-sys 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f996a60244b5e237dc4aba27b86761049a4ef6779dda51d89f3428440f38abd5
[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" "f996a60244b5e237dc4aba27b86761049a4ef6779dda51d89f3428440f38abd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f996a60244b5e237dc4aba27b86761049a4ef6779dda51d89f3428440f38abd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f996a60244b5e237dc4aba27b86761049a4ef6779dda51d89f3428440f38abd5", kill_on_drop: false }`
[INFO] [stdout] f996a60244b5e237dc4aba27b86761049a4ef6779dda51d89f3428440f38abd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] dfc8596338554a1b4464fccbdfac32591e651cddddb3608224996af70cebd372
[INFO] running `Command { std: "docker" "start" "-a" "dfc8596338554a1b4464fccbdfac32591e651cddddb3608224996af70cebd372", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.83
[INFO] [stderr]    Compiling libftdi1-sys v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `header_path`
[INFO] [stdout]    --> build.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 |         fn header_path() -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `link_and_get_include_paths`
[INFO] [stdout]    --> build.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |         fn link_and_get_include_paths() -> Vec<PathBuf> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: Config for libftdi1 not found, falling back to default search path: `"pkg-config" "--libs" "--cflags" "libftdi1" "libftdi1 >= 1.4"` did not exit successfully: exit status: 1
[INFO] [stderr]  Documenting libftdi1-sys v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "dfc8596338554a1b4464fccbdfac32591e651cddddb3608224996af70cebd372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc8596338554a1b4464fccbdfac32591e651cddddb3608224996af70cebd372", kill_on_drop: false }`
[INFO] [stdout] dfc8596338554a1b4464fccbdfac32591e651cddddb3608224996af70cebd372
