[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-1.38-1/sources/1.37.0/gh/Grokmoo/rusolve"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Grokmoo/rusolve'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Grokmoo/rusolve" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Grokmoo/rusolve"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Grokmoo/rusolve 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 Grokmoo/rusolve
[INFO] finished frobbing Grokmoo/rusolve
[INFO] frobbed toml for Grokmoo/rusolve written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 Grokmoo/rusolve 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 048b1a1858a456e6f03fbf45e8b480ec0367e9f8e6b604162a6598539ac014b4
[INFO] running `"docker" "start" "-a" "048b1a1858a456e6f03fbf45e8b480ec0367e9f8e6b604162a6598539ac014b4"`
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling rusolve v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:106:32
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `"docker" "inspect" "048b1a1858a456e6f03fbf45e8b480ec0367e9f8e6b604162a6598539ac014b4"`
[INFO] running `"docker" "rm" "-f" "048b1a1858a456e6f03fbf45e8b480ec0367e9f8e6b604162a6598539ac014b4"`
[INFO] [stdout] 048b1a1858a456e6f03fbf45e8b480ec0367e9f8e6b604162a6598539ac014b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2c39d5f5621bb40c45867ec3cff1a09cbd9b46fd125dd525d159a17bf74daec2
[INFO] running `"docker" "start" "-a" "2c39d5f5621bb40c45867ec3cff1a09cbd9b46fd125dd525d159a17bf74daec2"`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling memchr v2.1.2
[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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:106:32
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.31s
[INFO] running `"docker" "inspect" "2c39d5f5621bb40c45867ec3cff1a09cbd9b46fd125dd525d159a17bf74daec2"`
[INFO] running `"docker" "rm" "-f" "2c39d5f5621bb40c45867ec3cff1a09cbd9b46fd125dd525d159a17bf74daec2"`
[INFO] [stdout] 2c39d5f5621bb40c45867ec3cff1a09cbd9b46fd125dd525d159a17bf74daec2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 1b3656ab2e6fddd9715f91b22e95d7d219b53dd984ab7e6a4db4f74a4efb65de
[INFO] running `"docker" "start" "-a" "1b3656ab2e6fddd9715f91b22e95d7d219b53dd984ab7e6a4db4f74a4efb65de"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusolve-bfc5c2bc4b18014d
[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-821ebab1242a12e6
[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-080510764e60444b
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test gaussian_overspecified ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simplex-30f25ed8b7d81b78
[INFO] [stdout] test gaussian_lin_dep ... ok
[INFO] [stdout] test gaussian_elim_simple ... ok
[INFO] [stdout] test gaussian_elim_reduced ... ok
[INFO] [stdout] test gaussian_underspecified ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test simplex_unbounded ... ok
[INFO] [stdout] test simplex_neg_b ... ok
[INFO] [stdout] test simplex_minimize ... ok
[INFO] [stdout] test simplex_ge ... ok
[INFO] [stdout] test simplex_eq ... 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" "1b3656ab2e6fddd9715f91b22e95d7d219b53dd984ab7e6a4db4f74a4efb65de"`
[INFO] running `"docker" "rm" "-f" "1b3656ab2e6fddd9715f91b22e95d7d219b53dd984ab7e6a4db4f74a4efb65de"`
[INFO] [stdout] 1b3656ab2e6fddd9715f91b22e95d7d219b53dd984ab7e6a4db4f74a4efb65de