[INFO] updating cached repository FoxelFox/rust-clustering
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FoxelFox/rust-clustering
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FoxelFox/rust-clustering" "work/ex/beta-1.38-1/sources/1.37.0/gh/FoxelFox/rust-clustering"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/FoxelFox/rust-clustering'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FoxelFox/rust-clustering" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FoxelFox/rust-clustering"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FoxelFox/rust-clustering'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2f5c940671dc8763d1e1a0471125cc862603fad9
[INFO] sha for GitHub repo FoxelFox/rust-clustering: 2f5c940671dc8763d1e1a0471125cc862603fad9
[INFO] validating manifest of FoxelFox/rust-clustering 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 FoxelFox/rust-clustering 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 FoxelFox/rust-clustering
[INFO] finished frobbing FoxelFox/rust-clustering
[INFO] frobbed toml for FoxelFox/rust-clustering written to work/ex/beta-1.38-1/sources/1.37.0/gh/FoxelFox/rust-clustering/Cargo.toml
[INFO] started frobbing FoxelFox/rust-clustering
[INFO] finished frobbing FoxelFox/rust-clustering
[INFO] frobbed toml for FoxelFox/rust-clustering written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FoxelFox/rust-clustering/Cargo.toml
[INFO] crate FoxelFox/rust-clustering 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] [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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing FoxelFox/rust-clustering 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/FoxelFox/rust-clustering:/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] 3338c142272e15644fe0cd5bc9f04e39c5683980a9a1b0c7a85551b81720bdc2
[INFO] running `"docker" "start" "-a" "3338c142272e15644fe0cd5bc9f04e39c5683980a9a1b0c7a85551b81720bdc2"`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling libm v0.1.2
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling approx v0.3.1
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling nalgebra v0.16.12
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.12/src/base/cg.rs:291:44
[INFO] [stderr]     |
[INFO] [stderr] 291 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling nalgebra-glm v0.2.0
[INFO] [stderr]    Compiling rust-clustering v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.62s
[INFO] running `"docker" "inspect" "3338c142272e15644fe0cd5bc9f04e39c5683980a9a1b0c7a85551b81720bdc2"`
[INFO] running `"docker" "rm" "-f" "3338c142272e15644fe0cd5bc9f04e39c5683980a9a1b0c7a85551b81720bdc2"`
[INFO] [stdout] 3338c142272e15644fe0cd5bc9f04e39c5683980a9a1b0c7a85551b81720bdc2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/FoxelFox/rust-clustering:/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] 528382217d79046d64f6cf83f761f632a68a6b86c260f57b02d296609c4d13c9
[INFO] running `"docker" "start" "-a" "528382217d79046d64f6cf83f761f632a68a6b86c260f57b02d296609c4d13c9"`
[INFO] [stderr]    Compiling rust-clustering v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "528382217d79046d64f6cf83f761f632a68a6b86c260f57b02d296609c4d13c9"`
[INFO] running `"docker" "rm" "-f" "528382217d79046d64f6cf83f761f632a68a6b86c260f57b02d296609c4d13c9"`
[INFO] [stdout] 528382217d79046d64f6cf83f761f632a68a6b86c260f57b02d296609c4d13c9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/FoxelFox/rust-clustering:/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] a26bf0d80f3097655b990a3955cf017135184b45d06ffa6816c6e56e80c3aee8
[INFO] running `"docker" "start" "-a" "a26bf0d80f3097655b990a3955cf017135184b45d06ffa6816c6e56e80c3aee8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_clustering-1eb1cd8fb8140540
[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" "a26bf0d80f3097655b990a3955cf017135184b45d06ffa6816c6e56e80c3aee8"`
[INFO] running `"docker" "rm" "-f" "a26bf0d80f3097655b990a3955cf017135184b45d06ffa6816c6e56e80c3aee8"`
[INFO] [stdout] a26bf0d80f3097655b990a3955cf017135184b45d06ffa6816c6e56e80c3aee8