[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 beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrokmoo%2Frusolve" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Grokmoo/rusolve on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d3e848b0e4f60ff603072cc8f7d53ff49a5ed777ec9e7a63ff2e32e451308791
[INFO] running `Command { std: "docker" "start" "-a" "d3e848b0e4f60ff603072cc8f7d53ff49a5ed777ec9e7a63ff2e32e451308791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3e848b0e4f60ff603072cc8f7d53ff49a5ed777ec9e7a63ff2e32e451308791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e848b0e4f60ff603072cc8f7d53ff49a5ed777ec9e7a63ff2e32e451308791", kill_on_drop: false }`
[INFO] [stdout] d3e848b0e4f60ff603072cc8f7d53ff49a5ed777ec9e7a63ff2e32e451308791
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c340c9481c891d2021169c4809356eb564b6ec73be97363b1c6da89bc08ace6
[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" "4c340c9481c891d2021169c4809356eb564b6ec73be97363b1c6da89bc08ace6", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rusolve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "4c340c9481c891d2021169c4809356eb564b6ec73be97363b1c6da89bc08ace6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c340c9481c891d2021169c4809356eb564b6ec73be97363b1c6da89bc08ace6", kill_on_drop: false }`
[INFO] [stdout] 4c340c9481c891d2021169c4809356eb564b6ec73be97363b1c6da89bc08ace6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcc88852a303911f29fe0737edfb31632865453b22833b5d0d01802b030b8f16
[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" "dcc88852a303911f29fe0737edfb31632865453b22833b5d0d01802b030b8f16", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling termcolor v1.1.0
[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 21.96s
[INFO] running `Command { std: "docker" "inspect" "dcc88852a303911f29fe0737edfb31632865453b22833b5d0d01802b030b8f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc88852a303911f29fe0737edfb31632865453b22833b5d0d01802b030b8f16", kill_on_drop: false }`
[INFO] [stdout] dcc88852a303911f29fe0737edfb31632865453b22833b5d0d01802b030b8f16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4fb3580f6f29c322f584f77c273392437c6443ab583d530c4839c754b33c930e
[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" "4fb3580f6f29c322f584f77c273392437c6443ab583d530c4839c754b33c930e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusolve-ae6249657d268f9b
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/brute-5f8f6a3408ecba33
[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] [stderr]      Running /opt/rustwide/target/debug/deps/common-a35559e3ea80e869
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test brute_infeasible ... ok
[INFO] [stdout] test brute_one_var ... ok
[INFO] [stdout] test brute_no_obj ... ok
[INFO] [stdout] test brute_simple ... 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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gaussian_elimination-515e657e5787cc41
[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_elim_simple ... ok
[INFO] [stdout] test gaussian_lin_dep ... ok
[INFO] [stdout] test gaussian_underspecified ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simplex-818c8559a61fb55e
[INFO] [stdout] test gaussian_overspecified ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test simplex_neg_b ... ok
[INFO] [stdout] test simplex_unbounded ... ok
[INFO] [stdout] test simplex_ge ... 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; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4fb3580f6f29c322f584f77c273392437c6443ab583d530c4839c754b33c930e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb3580f6f29c322f584f77c273392437c6443ab583d530c4839c754b33c930e", kill_on_drop: false }`
[INFO] [stdout] 4fb3580f6f29c322f584f77c273392437c6443ab583d530c4839c754b33c930e