[INFO] fetching crate libftdi1-sys 1.1.1...
[INFO] checking libftdi1-sys-1.1.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate libftdi1-sys 1.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libftdi1-sys 1.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libftdi1-sys 1.1.1
[INFO] finished tweaking crates.io crate libftdi1-sys 1.1.1
[INFO] tweaked toml for crates.io crate libftdi1-sys 1.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate libftdi1-sys 1.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 082ed10db8ff4ccbf42a05317ea2edf46c5ced19d971e3c7c7e3f01e06581a45
[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" "082ed10db8ff4ccbf42a05317ea2edf46c5ced19d971e3c7c7e3f01e06581a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "082ed10db8ff4ccbf42a05317ea2edf46c5ced19d971e3c7c7e3f01e06581a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082ed10db8ff4ccbf42a05317ea2edf46c5ced19d971e3c7c7e3f01e06581a45", kill_on_drop: false }`
[INFO] [stdout] 082ed10db8ff4ccbf42a05317ea2edf46c5ced19d971e3c7c7e3f01e06581a45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTFLAGS=--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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcfb53d025a5f23136f6afd97c6870c3bbddc8dfdb4f88f0243c27901bb5e255
[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" "bcfb53d025a5f23136f6afd97c6870c3bbddc8dfdb4f88f0243c27901bb5e255", kill_on_drop: false }`
[INFO] [stderr]    Compiling libftdi1-sys v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `header_path`
[INFO] [stdout]    --> build.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 156 |         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:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 |         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]     Finished dev [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "bcfb53d025a5f23136f6afd97c6870c3bbddc8dfdb4f88f0243c27901bb5e255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcfb53d025a5f23136f6afd97c6870c3bbddc8dfdb4f88f0243c27901bb5e255", kill_on_drop: false }`
[INFO] [stdout] bcfb53d025a5f23136f6afd97c6870c3bbddc8dfdb4f88f0243c27901bb5e255
