[INFO] updating cached repository wyl206/rust_kmeans
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wyl206/rust_kmeans
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wyl206/rust_kmeans" "work/ex/beta-1.38-1/sources/1.37.0/gh/wyl206/rust_kmeans"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wyl206/rust_kmeans'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wyl206/rust_kmeans" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wyl206/rust_kmeans"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wyl206/rust_kmeans'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 19c8a9a377a2212dc4919bd95b5229dd8a690ea0
[INFO] sha for GitHub repo wyl206/rust_kmeans: 19c8a9a377a2212dc4919bd95b5229dd8a690ea0
[INFO] validating manifest of wyl206/rust_kmeans 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 wyl206/rust_kmeans 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 wyl206/rust_kmeans
[INFO] finished frobbing wyl206/rust_kmeans
[INFO] frobbed toml for wyl206/rust_kmeans written to work/ex/beta-1.38-1/sources/1.37.0/gh/wyl206/rust_kmeans/Cargo.toml
[INFO] started frobbing wyl206/rust_kmeans
[INFO] finished frobbing wyl206/rust_kmeans
[INFO] frobbed toml for wyl206/rust_kmeans written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wyl206/rust_kmeans/Cargo.toml
[INFO] crate wyl206/rust_kmeans 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]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wyl206/rust_kmeans against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wyl206/rust_kmeans:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f611a4c1687563fd38e1eb75b18cba60c2f61080ff8df8105547561236af4d2b
[INFO] running `"docker" "start" "-a" "f611a4c1687563fd38e1eb75b18cba60c2f61080ff8df8105547561236af4d2b"`
[INFO] [stderr]    Compiling kmeans v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `"docker" "inspect" "f611a4c1687563fd38e1eb75b18cba60c2f61080ff8df8105547561236af4d2b"`
[INFO] running `"docker" "rm" "-f" "f611a4c1687563fd38e1eb75b18cba60c2f61080ff8df8105547561236af4d2b"`
[INFO] [stdout] f611a4c1687563fd38e1eb75b18cba60c2f61080ff8df8105547561236af4d2b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wyl206/rust_kmeans:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] b9064d44db049d9a85d0bedf521d8d40f39a1f5f0c876319ae86922794387d4d
[INFO] running `"docker" "start" "-a" "b9064d44db049d9a85d0bedf521d8d40f39a1f5f0c876319ae86922794387d4d"`
[INFO] [stderr]    Compiling kmeans v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "b9064d44db049d9a85d0bedf521d8d40f39a1f5f0c876319ae86922794387d4d"`
[INFO] running `"docker" "rm" "-f" "b9064d44db049d9a85d0bedf521d8d40f39a1f5f0c876319ae86922794387d4d"`
[INFO] [stdout] b9064d44db049d9a85d0bedf521d8d40f39a1f5f0c876319ae86922794387d4d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wyl206/rust_kmeans:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f9820617b7a6d66b3708b0c1bd7a6cdb836e487f3cdf5a2b3c489e6e1ba4c06a
[INFO] running `"docker" "start" "-a" "f9820617b7a6d66b3708b0c1bd7a6cdb836e487f3cdf5a2b3c489e6e1ba4c06a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/km-4e7ded0a1eb582c0
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kmeans-be579d1f4fc423c0
[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] [stdout] 
[INFO] [stderr]    Doc-tests km
[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] [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" "f9820617b7a6d66b3708b0c1bd7a6cdb836e487f3cdf5a2b3c489e6e1ba4c06a"`
[INFO] running `"docker" "rm" "-f" "f9820617b7a6d66b3708b0c1bd7a6cdb836e487f3cdf5a2b3c489e6e1ba4c06a"`
[INFO] [stdout] f9820617b7a6d66b3708b0c1bd7a6cdb836e487f3cdf5a2b3c489e6e1ba4c06a