[INFO] updating cached repository justinian/loadavg
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/justinian/loadavg
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/justinian/loadavg" "work/ex/beta-1.38-1/sources/1.37.0/gh/justinian/loadavg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/justinian/loadavg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/justinian/loadavg" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/justinian/loadavg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of justinian/loadavg on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/justinian/loadavg/Cargo.toml
[INFO] crate justinian/loadavg already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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[INFO] the lockfile is outdated, regenerating it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/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing justinian/loadavg against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/justinian/loadavg:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 66c8971f5f498f5ceec3fb43c9738444da912e09377d7cb522641120dfea47ba
[INFO] running `"docker" "start" "-a" "66c8971f5f498f5ceec3fb43c9738444da912e09377d7cb522641120dfea47ba"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "66c8971f5f498f5ceec3fb43c9738444da912e09377d7cb522641120dfea47ba"`
[INFO] running `"docker" "rm" "-f" "66c8971f5f498f5ceec3fb43c9738444da912e09377d7cb522641120dfea47ba"`
[INFO] [stdout] 66c8971f5f498f5ceec3fb43c9738444da912e09377d7cb522641120dfea47ba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/justinian/loadavg:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 22bbb9d8644985d5211c4d386e41c663a3b55bc4835a47fca357874fd887d596
[INFO] running `"docker" "start" "-a" "22bbb9d8644985d5211c4d386e41c663a3b55bc4835a47fca357874fd887d596"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "22bbb9d8644985d5211c4d386e41c663a3b55bc4835a47fca357874fd887d596"`
[INFO] running `"docker" "rm" "-f" "22bbb9d8644985d5211c4d386e41c663a3b55bc4835a47fca357874fd887d596"`
[INFO] [stdout] 22bbb9d8644985d5211c4d386e41c663a3b55bc4835a47fca357874fd887d596
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/justinian/loadavg:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 83ba807de6fd6d0efe5f985ea267ae1bb634bca24737e7063b097e6ebb4caeec
[INFO] running `"docker" "start" "-a" "83ba807de6fd6d0efe5f985ea267ae1bb634bca24737e7063b097e6ebb4caeec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/loadavg-6ec488b5a010929e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "83ba807de6fd6d0efe5f985ea267ae1bb634bca24737e7063b097e6ebb4caeec"`
[INFO] running `"docker" "rm" "-f" "83ba807de6fd6d0efe5f985ea267ae1bb634bca24737e7063b097e6ebb4caeec"`
[INFO] [stdout] 83ba807de6fd6d0efe5f985ea267ae1bb634bca24737e7063b097e6ebb4caeec