[INFO] updating cached repository LokiVKlokeNaAndoke/linear_equation_system_solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LokiVKlokeNaAndoke/linear_equation_system_solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LokiVKlokeNaAndoke/linear_equation_system_solver" "work/ex/beta-1.38-1/sources/1.37.0/gh/LokiVKlokeNaAndoke/linear_equation_system_solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/LokiVKlokeNaAndoke/linear_equation_system_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LokiVKlokeNaAndoke/linear_equation_system_solver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LokiVKlokeNaAndoke/linear_equation_system_solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LokiVKlokeNaAndoke/linear_equation_system_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b9d5827a7cfa30603991f330ffdc8a5774e96aa0
[INFO] sha for GitHub repo LokiVKlokeNaAndoke/linear_equation_system_solver: b9d5827a7cfa30603991f330ffdc8a5774e96aa0
[INFO] validating manifest of LokiVKlokeNaAndoke/linear_equation_system_solver 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 LokiVKlokeNaAndoke/linear_equation_system_solver 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 LokiVKlokeNaAndoke/linear_equation_system_solver
[INFO] finished frobbing LokiVKlokeNaAndoke/linear_equation_system_solver
[INFO] frobbed toml for LokiVKlokeNaAndoke/linear_equation_system_solver written to work/ex/beta-1.38-1/sources/1.37.0/gh/LokiVKlokeNaAndoke/linear_equation_system_solver/Cargo.toml
[INFO] started frobbing LokiVKlokeNaAndoke/linear_equation_system_solver
[INFO] finished frobbing LokiVKlokeNaAndoke/linear_equation_system_solver
[INFO] frobbed toml for LokiVKlokeNaAndoke/linear_equation_system_solver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LokiVKlokeNaAndoke/linear_equation_system_solver/Cargo.toml
[INFO] crate LokiVKlokeNaAndoke/linear_equation_system_solver 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 LokiVKlokeNaAndoke/linear_equation_system_solver 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-2/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/LokiVKlokeNaAndoke/linear_equation_system_solver:/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] 28cddeeb3228895fe7a25e201d1ad4d2e248092688e6f015ca503e5a86b62f10
[INFO] running `"docker" "start" "-a" "28cddeeb3228895fe7a25e201d1ad4d2e248092688e6f015ca503e5a86b62f10"`
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling bigdecimal v0.0.15
[INFO] [stderr]    Compiling linear_equation_system_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.96s
[INFO] running `"docker" "inspect" "28cddeeb3228895fe7a25e201d1ad4d2e248092688e6f015ca503e5a86b62f10"`
[INFO] running `"docker" "rm" "-f" "28cddeeb3228895fe7a25e201d1ad4d2e248092688e6f015ca503e5a86b62f10"`
[INFO] [stdout] 28cddeeb3228895fe7a25e201d1ad4d2e248092688e6f015ca503e5a86b62f10
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/LokiVKlokeNaAndoke/linear_equation_system_solver:/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] 9e5dbcde44c3f7f70eaa6170907219b545244a393b2eab4a36ab13615e8eb1ea
[INFO] running `"docker" "start" "-a" "9e5dbcde44c3f7f70eaa6170907219b545244a393b2eab4a36ab13615e8eb1ea"`
[INFO] [stderr]    Compiling linear_equation_system_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "9e5dbcde44c3f7f70eaa6170907219b545244a393b2eab4a36ab13615e8eb1ea"`
[INFO] running `"docker" "rm" "-f" "9e5dbcde44c3f7f70eaa6170907219b545244a393b2eab4a36ab13615e8eb1ea"`
[INFO] [stdout] 9e5dbcde44c3f7f70eaa6170907219b545244a393b2eab4a36ab13615e8eb1ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/LokiVKlokeNaAndoke/linear_equation_system_solver:/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] 6dff7d39bf437f271dd3d0a0ae4fad3233b2eb0f7f9f3783a06105bee4ffd971
[INFO] running `"docker" "start" "-a" "6dff7d39bf437f271dd3d0a0ae4fad3233b2eb0f7f9f3783a06105bee4ffd971"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/linear_equation_system_solver-83415cbca868f72a
[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" "6dff7d39bf437f271dd3d0a0ae4fad3233b2eb0f7f9f3783a06105bee4ffd971"`
[INFO] running `"docker" "rm" "-f" "6dff7d39bf437f271dd3d0a0ae4fad3233b2eb0f7f9f3783a06105bee4ffd971"`
[INFO] [stdout] 6dff7d39bf437f271dd3d0a0ae4fad3233b2eb0f7f9f3783a06105bee4ffd971