[INFO] cloning repository https://github.com/Grokmoo/rusolve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Grokmoo/rusolve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrokmoo%2Frusolve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrokmoo%2Frusolve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9ec37dc58f791af2c59ae318b8fcecd8bcdd90f
[INFO] testing Grokmoo/rusolve against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrokmoo%2Frusolve" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Grokmoo/rusolve on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Grokmoo/rusolve
[INFO] finished tweaking git repo https://github.com/Grokmoo/rusolve
[INFO] tweaked toml for git repo https://github.com/Grokmoo/rusolve written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Grokmoo/rusolve already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56b23712da304433dced43a1d645fe5b1d9c0e870d6c5211454655426c05a177
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "56b23712da304433dced43a1d645fe5b1d9c0e870d6c5211454655426c05a177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56b23712da304433dced43a1d645fe5b1d9c0e870d6c5211454655426c05a177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b23712da304433dced43a1d645fe5b1d9c0e870d6c5211454655426c05a177", kill_on_drop: false }`
[INFO] [stdout] 56b23712da304433dced43a1d645fe5b1d9c0e870d6c5211454655426c05a177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2375476cb39fd993909733ab555439df67b73cb8025676581e441927d8bdbde7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2375476cb39fd993909733ab555439df67b73cb8025676581e441927d8bdbde7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusolve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "2375476cb39fd993909733ab555439df67b73cb8025676581e441927d8bdbde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2375476cb39fd993909733ab555439df67b73cb8025676581e441927d8bdbde7", kill_on_drop: false }`
[INFO] [stdout] 2375476cb39fd993909733ab555439df67b73cb8025676581e441927d8bdbde7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a3edd4e662b2964b3c94355e2b0542fec8195dd8a6fb5bbf4f36a83a7118ef2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3a3edd4e662b2964b3c94355e2b0542fec8195dd8a6fb5bbf4f36a83a7118ef2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling rusolve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.43s
[INFO] running `Command { std: "docker" "inspect" "3a3edd4e662b2964b3c94355e2b0542fec8195dd8a6fb5bbf4f36a83a7118ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3edd4e662b2964b3c94355e2b0542fec8195dd8a6fb5bbf4f36a83a7118ef2", kill_on_drop: false }`
[INFO] [stdout] 3a3edd4e662b2964b3c94355e2b0542fec8195dd8a6fb5bbf4f36a83a7118ef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 984297237f9066e7bfe502d8814d729d4ed1e43183aec0846c87f6ac3d873bb5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "984297237f9066e7bfe502d8814d729d4ed1e43183aec0846c87f6ac3d873bb5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusolve-8648755a0320df5d)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/brute.rs (/opt/rustwide/target/debug/deps/brute-af739ec5fdb6df7b)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/common.rs (/opt/rustwide/target/debug/deps/common-9e74b2547b403c42)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running tests/gaussian_elimination.rs (/opt/rustwide/target/debug/deps/gaussian_elimination-70e5b7b334f65b8f)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test brute_simple ... ok
[INFO] [stdout] test brute_one_var ... ok
[INFO] [stdout] test brute_no_obj ... ok
[INFO] [stdout] test brute_infeasible ... ok
[INFO] [stdout] test brute_bigger ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test gaussian_elim_reduced ... ok
[INFO] [stdout] test gaussian_underspecified ... ok
[INFO] [stdout] test gaussian_elim_simple ... ok
[INFO] [stdout] test gaussian_overspecified ... ok
[INFO] [stdout] test gaussian_lin_dep ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/simplex.rs (/opt/rustwide/target/debug/deps/simplex-b1eb34f1fabaf6ff)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test simplex_neg_b ... ok
[INFO] [stdout] test simplex_eq ... ok
[INFO] [stdout] test simplex_minimize ... ok
[INFO] [stderr]    Doc-tests rusolve
[INFO] [stdout] test simplex_ge ... ok
[INFO] [stdout] test simplex_unbounded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "984297237f9066e7bfe502d8814d729d4ed1e43183aec0846c87f6ac3d873bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984297237f9066e7bfe502d8814d729d4ed1e43183aec0846c87f6ac3d873bb5", kill_on_drop: false }`
[INFO] [stdout] 984297237f9066e7bfe502d8814d729d4ed1e43183aec0846c87f6ac3d873bb5