[INFO] updating cached repository https://github.com/tomabou/sample_lp
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b9b93ffcd4ceedb2fd5bdafcd5ed733e269650e8
[INFO] testing tomabou/sample_lp against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomabou%2Fsample_lp" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomabou/sample_lp on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tomabou/sample_lp
[INFO] finished tweaking git repo https://github.com/tomabou/sample_lp
[INFO] tweaked toml for git repo https://github.com/tomabou/sample_lp written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tomabou/sample_lp already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] bff04997025b20ccdc4402300a21d3c3523e6e1c91e6f9f30eb7837ab71dc7dc
[INFO] running `"docker" "start" "-a" "bff04997025b20ccdc4402300a21d3c3523e6e1c91e6f9f30eb7837ab71dc7dc"`
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling sample_lp v0.1.0 (/opt/rustwide/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 1.92s
[INFO] running `"docker" "inspect" "bff04997025b20ccdc4402300a21d3c3523e6e1c91e6f9f30eb7837ab71dc7dc"`
[INFO] running `"docker" "rm" "-f" "bff04997025b20ccdc4402300a21d3c3523e6e1c91e6f9f30eb7837ab71dc7dc"`
[INFO] [stdout] bff04997025b20ccdc4402300a21d3c3523e6e1c91e6f9f30eb7837ab71dc7dc
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] dfe32f931dabf97a52b5fcbc213a00a82df771d286d874134fa8d3120efac97b
[INFO] running `"docker" "start" "-a" "dfe32f931dabf97a52b5fcbc213a00a82df771d286d874134fa8d3120efac97b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sample_lp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.18s
[INFO] running `"docker" "inspect" "dfe32f931dabf97a52b5fcbc213a00a82df771d286d874134fa8d3120efac97b"`
[INFO] running `"docker" "rm" "-f" "dfe32f931dabf97a52b5fcbc213a00a82df771d286d874134fa8d3120efac97b"`
[INFO] [stdout] dfe32f931dabf97a52b5fcbc213a00a82df771d286d874134fa8d3120efac97b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 3b6e72b874f64255b9ae3982303e2906ae24d21db7057211245d421c84a83c82
[INFO] running `"docker" "start" "-a" "3b6e72b874f64255b9ae3982303e2906ae24d21db7057211245d421c84a83c82"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sample_lp-c49cc064de67d50b
[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" "3b6e72b874f64255b9ae3982303e2906ae24d21db7057211245d421c84a83c82"`
[INFO] running `"docker" "rm" "-f" "3b6e72b874f64255b9ae3982303e2906ae24d21db7057211245d421c84a83c82"`
[INFO] [stdout] 3b6e72b874f64255b9ae3982303e2906ae24d21db7057211245d421c84a83c82