[INFO] cloning repository https://github.com/justinian/loadavg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justinian/loadavg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinian%2Floadavg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinian%2Floadavg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b11f92f78d8f6113c23a66929906396ab7a51462
[INFO] testing justinian/loadavg against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinian%2Floadavg" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justinian/loadavg 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 git repo https://github.com/justinian/loadavg
[INFO] finished tweaking git repo https://github.com/justinian/loadavg
[INFO] tweaked toml for git repo https://github.com/justinian/loadavg written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/justinian/loadavg 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] 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" "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] 28240f01a0896d61750224e183fd532cc402187f19d3045095e7ea9013c8c82d
[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" "28240f01a0896d61750224e183fd532cc402187f19d3045095e7ea9013c8c82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28240f01a0896d61750224e183fd532cc402187f19d3045095e7ea9013c8c82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28240f01a0896d61750224e183fd532cc402187f19d3045095e7ea9013c8c82d", kill_on_drop: false }`
[INFO] [stdout] 28240f01a0896d61750224e183fd532cc402187f19d3045095e7ea9013c8c82d
[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" "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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 466e7cb56b795601488b798b5a5dfc0ab91aa44442a60bcc3fa15d027dfbd488
[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" "466e7cb56b795601488b798b5a5dfc0ab91aa44442a60bcc3fa15d027dfbd488", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.1.10
[INFO] [stderr]    Compiling loadavg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `[f64]`, which is not FFI-safe
[INFO] [stdout]  --> src/main.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn getloadavg(loadavg: &[f64], nelem: i32) -> i32;
[INFO] [stdout]   |                            ^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]   = help: consider using a raw pointer instead
[INFO] [stdout]   = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "466e7cb56b795601488b798b5a5dfc0ab91aa44442a60bcc3fa15d027dfbd488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466e7cb56b795601488b798b5a5dfc0ab91aa44442a60bcc3fa15d027dfbd488", kill_on_drop: false }`
[INFO] [stdout] 466e7cb56b795601488b798b5a5dfc0ab91aa44442a60bcc3fa15d027dfbd488
[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" "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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78cd8ccad4e1b75cb953bc1da86a6fae4b9048a6b923bedef43052390772d186
[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" "78cd8ccad4e1b75cb953bc1da86a6fae4b9048a6b923bedef43052390772d186", kill_on_drop: false }`
[INFO] [stderr]    Compiling loadavg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `[f64]`, which is not FFI-safe
[INFO] [stdout]  --> src/main.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn getloadavg(loadavg: &[f64], nelem: i32) -> i32;
[INFO] [stdout]   |                            ^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]   = help: consider using a raw pointer instead
[INFO] [stdout]   = note: slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "78cd8ccad4e1b75cb953bc1da86a6fae4b9048a6b923bedef43052390772d186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78cd8ccad4e1b75cb953bc1da86a6fae4b9048a6b923bedef43052390772d186", kill_on_drop: false }`
[INFO] [stdout] 78cd8ccad4e1b75cb953bc1da86a6fae4b9048a6b923bedef43052390772d186
[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" "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" "test" "--frozen", 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] 5e54e2df18ea8ce22f00022f8026babdc5384a5b709bba39e815c7f84c1a92a5
[INFO] running `Command { std: "docker" "start" "-a" "5e54e2df18ea8ce22f00022f8026babdc5384a5b709bba39e815c7f84c1a92a5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: `extern` block uses type `[f64]`, which is not FFI-safe
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:5:25
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 5 |     fn getloadavg(loadavg: &[f64], nelem: i32) -> i32;
[INFO] [stdout] 
[INFO] [stderr]   |                            ^^^^^^ not FFI-safe
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]   = help: consider using a raw pointer instead
[INFO] [stderr]   = note: slices have no C equivalent
[INFO] [stderr] 
[INFO] [stderr] warning: `loadavg` (bin "loadavg" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/loadavg-a35a79aeeeebe0a0)
[INFO] running `Command { std: "docker" "inspect" "5e54e2df18ea8ce22f00022f8026babdc5384a5b709bba39e815c7f84c1a92a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e54e2df18ea8ce22f00022f8026babdc5384a5b709bba39e815c7f84c1a92a5", kill_on_drop: false }`
[INFO] [stdout] 5e54e2df18ea8ce22f00022f8026babdc5384a5b709bba39e815c7f84c1a92a5