[INFO] fetching crate glpk-sys 0.2.0...
[INFO] checking glpk-sys-0.2.0 against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] extracting crate glpk-sys 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate glpk-sys 0.2.0 on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate glpk-sys 0.2.0
[INFO] finished tweaking crates.io crate glpk-sys 0.2.0
[INFO] tweaked toml for crates.io crate glpk-sys 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6d4bfa00b7a30de3094ee1c64b72944ac47ef9fa36c47e41566937ca09c7877
[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" "b6d4bfa00b7a30de3094ee1c64b72944ac47ef9fa36c47e41566937ca09c7877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6d4bfa00b7a30de3094ee1c64b72944ac47ef9fa36c47e41566937ca09c7877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d4bfa00b7a30de3094ee1c64b72944ac47ef9fa36c47e41566937ca09c7877", kill_on_drop: false }`
[INFO] [stdout] b6d4bfa00b7a30de3094ee1c64b72944ac47ef9fa36c47e41566937ca09c7877
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--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] f5f2ea6ec1f70f65b0e92f0d0ac1a9972ec316403ec217c18e6206e95796c76a
[INFO] running `Command { std: "docker" "start" "-a" "f5f2ea6ec1f70f65b0e92f0d0ac1a9972ec316403ec217c18e6206e95796c76a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling glpk-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stdout] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:610:57
[INFO] [stdout]     |
[INFO] [stdout] 610 |     pub fn glp_vprintf(fmt: *const ::libc::c_char, arg: va_list) -> ();
[INFO] [stdout]     |                                                         ^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]     = help: consider passing a pointer to the array
[INFO] [stdout]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[Struct___va_list_tag; 1]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:610:57
[INFO] [stdout]     |
[INFO] [stdout] 610 |     pub fn glp_vprintf(fmt: *const ::libc::c_char, arg: va_list) -> ();
[INFO] [stdout]     |                                                         ^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]     = help: consider passing a pointer to the array
[INFO] [stdout]     = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "f5f2ea6ec1f70f65b0e92f0d0ac1a9972ec316403ec217c18e6206e95796c76a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f2ea6ec1f70f65b0e92f0d0ac1a9972ec316403ec217c18e6206e95796c76a", kill_on_drop: false }`
[INFO] [stdout] f5f2ea6ec1f70f65b0e92f0d0ac1a9972ec316403ec217c18e6206e95796c76a