[INFO] cloning repository justinian/loadavg
[INFO] running `"git" "clone" "--bare" "git://github.com/justinian/loadavg.git" "work/cache/sources/gh/justinian/loadavg"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/justinian/loadavg'...
[INFO] running `"git" "clone" "work/cache/sources/gh/justinian/loadavg" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/justinian/loadavg"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/justinian/loadavg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/justinian/loadavg" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/justinian/loadavg"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/justinian/loadavg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b11f92f78d8f6113c23a66929906396ab7a51462
[INFO] sha for GitHub repo justinian/loadavg: b11f92f78d8f6113c23a66929906396ab7a51462
[INFO] validating manifest of justinian/loadavg on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of justinian/loadavg on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing justinian/loadavg
[INFO] finished frobbing justinian/loadavg
[INFO] frobbed toml for justinian/loadavg written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/justinian/loadavg/Cargo.toml
[INFO] started frobbing justinian/loadavg
[INFO] finished frobbing justinian/loadavg
[INFO] frobbed toml for justinian/loadavg written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/justinian/loadavg/Cargo.toml
[INFO] crate justinian/loadavg already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/justinian/loadavg/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking justinian/loadavg against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/justinian/loadavg:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f25ff407917a8bd9bd58784735290224b0d5aa97973cf67388d2583a426e0ae1
[INFO] running `"docker" "start" "-a" "f25ff407917a8bd9bd58784735290224b0d5aa97973cf67388d2583a426e0ae1"`
[INFO] [stderr]     Checking loadavg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `extern` block uses type `[f64]` which is not FFI-safe: slices have no C equivalent
[INFO] [stderr]  --> src/main.rs:5:25
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn getloadavg(loadavg: &[f64], nelem: i32) -> i32;
[INFO] [stderr]   |                            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(improper_ctypes)] on by default
[INFO] [stderr]   = help: consider using a raw pointer instead
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `[f64]` which is not FFI-safe: slices have no C equivalent
[INFO] [stderr]  --> src/main.rs:5:25
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn getloadavg(loadavg: &[f64], nelem: i32) -> i32;
[INFO] [stderr]   |                            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(improper_ctypes)] on by default
[INFO] [stderr]   = help: consider using a raw pointer instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "f25ff407917a8bd9bd58784735290224b0d5aa97973cf67388d2583a426e0ae1"`
[INFO] running `"docker" "rm" "-f" "f25ff407917a8bd9bd58784735290224b0d5aa97973cf67388d2583a426e0ae1"`
[INFO] [stdout] f25ff407917a8bd9bd58784735290224b0d5aa97973cf67388d2583a426e0ae1