[INFO] updating cached repository Grokmoo/rusolve
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Grokmoo/rusolve
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Grokmoo/rusolve" "work/ex/beta-1.37-6/sources/1.36.0/gh/Grokmoo/rusolve"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Grokmoo/rusolve'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Grokmoo/rusolve" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Grokmoo/rusolve"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Grokmoo/rusolve'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 629065475fb3ec27014901ed1e2d627dc9648c4c
[INFO] sha for GitHub repo Grokmoo/rusolve: 629065475fb3ec27014901ed1e2d627dc9648c4c
[INFO] validating manifest of Grokmoo/rusolve on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Grokmoo/rusolve on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Grokmoo/rusolve
[INFO] finished frobbing Grokmoo/rusolve
[INFO] frobbed toml for Grokmoo/rusolve written to work/ex/beta-1.37-6/sources/1.36.0/gh/Grokmoo/rusolve/Cargo.toml
[INFO] started frobbing Grokmoo/rusolve
[INFO] finished frobbing Grokmoo/rusolve
[INFO] frobbed toml for Grokmoo/rusolve written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Grokmoo/rusolve/Cargo.toml
[INFO] crate Grokmoo/rusolve already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Grokmoo/rusolve against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Grokmoo/rusolve:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] b1bcad25b38c9879287883d967ab8a2536cbbfe75639f4728b91e1ba4ea78d23
[INFO] running `"docker" "start" "-a" "b1bcad25b38c9879287883d967ab8a2536cbbfe75639f4728b91e1ba4ea78d23"`
[INFO] [stderr]    Compiling rusolve v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `"docker" "inspect" "b1bcad25b38c9879287883d967ab8a2536cbbfe75639f4728b91e1ba4ea78d23"`
[INFO] running `"docker" "rm" "-f" "b1bcad25b38c9879287883d967ab8a2536cbbfe75639f4728b91e1ba4ea78d23"`
[INFO] [stdout] b1bcad25b38c9879287883d967ab8a2536cbbfe75639f4728b91e1ba4ea78d23
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Grokmoo/rusolve:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 907d3c1f8caadb47d15ddc4e24a37e4abf465396871d2faa4442b455226f1257
[INFO] running `"docker" "start" "-a" "907d3c1f8caadb47d15ddc4e24a37e4abf465396871d2faa4442b455226f1257"`
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling rusolve v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.70s
[INFO] running `"docker" "inspect" "907d3c1f8caadb47d15ddc4e24a37e4abf465396871d2faa4442b455226f1257"`
[INFO] running `"docker" "rm" "-f" "907d3c1f8caadb47d15ddc4e24a37e4abf465396871d2faa4442b455226f1257"`
[INFO] [stdout] 907d3c1f8caadb47d15ddc4e24a37e4abf465396871d2faa4442b455226f1257
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Grokmoo/rusolve:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] b55c4032f1359a2211b0fbe172d7bfd09e683e413c79ccf4768865a0303b6d3d
[INFO] running `"docker" "start" "-a" "b55c4032f1359a2211b0fbe172d7bfd09e683e413c79ccf4768865a0303b6d3d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusolve-395670a5ebd7097d
[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] [stderr]      Running /opt/crater/target/debug/deps/common-5ef91cc7a7aac4a0
[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] [stderr]      Running /opt/crater/target/debug/deps/gaussian_elimination-5d686d61c4658ec8
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test gaussian_lin_dep ... ok
[INFO] [stdout] test gaussian_overspecified ... ok
[INFO] [stdout] test gaussian_elim_reduced ... ok
[INFO] [stdout] test gaussian_underspecified ... ok
[INFO] [stdout] test gaussian_elim_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simplex-723de8fec15052f4
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test simplex_unbounded ... ok
[INFO] [stdout] test simplex_ge ... ok
[INFO] [stdout] test simplex_neg_b ... ok
[INFO] [stdout] test simplex_eq ... ok
[INFO] [stdout] test simplex_minimize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusolve
[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" "b55c4032f1359a2211b0fbe172d7bfd09e683e413c79ccf4768865a0303b6d3d"`
[INFO] running `"docker" "rm" "-f" "b55c4032f1359a2211b0fbe172d7bfd09e683e413c79ccf4768865a0303b6d3d"`
[INFO] [stdout] b55c4032f1359a2211b0fbe172d7bfd09e683e413c79ccf4768865a0303b6d3d