[INFO] updating cached repository tomabou/sample_lp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tomabou/sample_lp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tomabou/sample_lp" "work/ex/beta-1.38-1/sources/1.37.0/gh/tomabou/sample_lp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tomabou/sample_lp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tomabou/sample_lp" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomabou/sample_lp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomabou/sample_lp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b9b93ffcd4ceedb2fd5bdafcd5ed733e269650e8
[INFO] sha for GitHub repo tomabou/sample_lp: b9b93ffcd4ceedb2fd5bdafcd5ed733e269650e8
[INFO] validating manifest of tomabou/sample_lp 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 tomabou/sample_lp 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 tomabou/sample_lp
[INFO] finished frobbing tomabou/sample_lp
[INFO] frobbed toml for tomabou/sample_lp written to work/ex/beta-1.38-1/sources/1.37.0/gh/tomabou/sample_lp/Cargo.toml
[INFO] started frobbing tomabou/sample_lp
[INFO] finished frobbing tomabou/sample_lp
[INFO] frobbed toml for tomabou/sample_lp written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tomabou/sample_lp/Cargo.toml
[INFO] crate tomabou/sample_lp 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 tomabou/sample_lp 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/tomabou/sample_lp:/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] 8da12cb7689ae0b9d405aef1c233c4b7766e38ced4e88caab0d6dd383de441d6
[INFO] running `"docker" "start" "-a" "8da12cb7689ae0b9d405aef1c233c4b7766e38ced4e88caab0d6dd383de441d6"`
[INFO] [stderr]    Compiling sample_lp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `sample`
[INFO] [stderr]    --> src/main.rs:153:5
[INFO] [stderr]     |
[INFO] [stderr] 153 |     fn sample() -> Canonical {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "8da12cb7689ae0b9d405aef1c233c4b7766e38ced4e88caab0d6dd383de441d6"`
[INFO] running `"docker" "rm" "-f" "8da12cb7689ae0b9d405aef1c233c4b7766e38ced4e88caab0d6dd383de441d6"`
[INFO] [stdout] 8da12cb7689ae0b9d405aef1c233c4b7766e38ced4e88caab0d6dd383de441d6
[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/tomabou/sample_lp:/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] ef2d33b502a191edf2b471b5875ea2ed23233f1460a88ebcccfd074a671eeecd
[INFO] running `"docker" "start" "-a" "ef2d33b502a191edf2b471b5875ea2ed23233f1460a88ebcccfd074a671eeecd"`
[INFO] [stderr]    Compiling sample_lp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "ef2d33b502a191edf2b471b5875ea2ed23233f1460a88ebcccfd074a671eeecd"`
[INFO] running `"docker" "rm" "-f" "ef2d33b502a191edf2b471b5875ea2ed23233f1460a88ebcccfd074a671eeecd"`
[INFO] [stdout] ef2d33b502a191edf2b471b5875ea2ed23233f1460a88ebcccfd074a671eeecd
[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/tomabou/sample_lp:/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] 5128e8f6fd2c46fbc0a77651e52a67be70d02c2e921e01754cfdcf03cd56c78a
[INFO] running `"docker" "start" "-a" "5128e8f6fd2c46fbc0a77651e52a67be70d02c2e921e01754cfdcf03cd56c78a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sample_lp-8696f695ff8a9f35
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_argmax ... ok
[INFO] [stdout] test test_klee ... ok
[INFO] [stdout] test test_pivot ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5128e8f6fd2c46fbc0a77651e52a67be70d02c2e921e01754cfdcf03cd56c78a"`
[INFO] running `"docker" "rm" "-f" "5128e8f6fd2c46fbc0a77651e52a67be70d02c2e921e01754cfdcf03cd56c78a"`
[INFO] [stdout] 5128e8f6fd2c46fbc0a77651e52a67be70d02c2e921e01754cfdcf03cd56c78a