[INFO] cloning repository https://github.com/sleibrock/mathy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sleibrock/mathy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleibrock%2Fmathy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleibrock%2Fmathy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5cf1746bc2c8cb5c345281be51819fdeec87bf13
[INFO] testing sleibrock/mathy 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%2Fsleibrock%2Fmathy" "/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/sleibrock/mathy 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/sleibrock/mathy
[INFO] finished tweaking git repo https://github.com/sleibrock/mathy
[INFO] tweaked toml for git repo https://github.com/sleibrock/mathy written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sleibrock/mathy 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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] 48d02ab0978efc375d4604fc628259497e56754659a3a354a8639e60fd27f01c
[INFO] running `Command { std: "docker" "start" "-a" "48d02ab0978efc375d4604fc628259497e56754659a3a354a8639e60fd27f01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48d02ab0978efc375d4604fc628259497e56754659a3a354a8639e60fd27f01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d02ab0978efc375d4604fc628259497e56754659a3a354a8639e60fd27f01c", kill_on_drop: false }`
[INFO] [stdout] 48d02ab0978efc375d4604fc628259497e56754659a3a354a8639e60fd27f01c
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d7099caecb7f1306dabd56b841048375b87ce1235a4155d52a6a63d4b23e246
[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" "1d7099caecb7f1306dabd56b841048375b87ce1235a4155d52a6a63d4b23e246", kill_on_drop: false }`
[INFO] [stderr]    Compiling mathy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "1d7099caecb7f1306dabd56b841048375b87ce1235a4155d52a6a63d4b23e246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7099caecb7f1306dabd56b841048375b87ce1235a4155d52a6a63d4b23e246", kill_on_drop: false }`
[INFO] [stdout] 1d7099caecb7f1306dabd56b841048375b87ce1235a4155d52a6a63d4b23e246
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", 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] efe4ec3ac591254f66b46fde344d20fe7f33efdab79070992efaf6cff3c97da4
[INFO] running `Command { std: "docker" "start" "-a" "efe4ec3ac591254f66b46fde344d20fe7f33efdab79070992efaf6cff3c97da4", kill_on_drop: false }`
[INFO] [stderr]    Compiling mathy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "efe4ec3ac591254f66b46fde344d20fe7f33efdab79070992efaf6cff3c97da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe4ec3ac591254f66b46fde344d20fe7f33efdab79070992efaf6cff3c97da4", kill_on_drop: false }`
[INFO] [stdout] efe4ec3ac591254f66b46fde344d20fe7f33efdab79070992efaf6cff3c97da4
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfaf618147789dc4d215ab204b5c40d3bf0709e52acb2e1c2c6d2e3a70b1cc8f
[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" "dfaf618147789dc4d215ab204b5c40d3bf0709e52acb2e1c2c6d2e3a70b1cc8f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mathy-efd1a3847070b481
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test calc::deriver::test::derive_exp_funcs ... ok
[INFO] [stdout] test calc::deriver::test::derive_square_test ... ok
[INFO] [stdout] test expr::evaluator::test::evaluate_test ... ok
[INFO] [stdout] test expr::evaluator::test::square_test ... ok
[INFO] [stdout] test expr::expr::test::has_var_test ... ok
[INFO] [stdout] test expr::evaluator::test::test_complex_sqrt ... ok
[INFO] [stdout] test expr::expr::test::is_equal_test ... ok
[INFO] [stdout] test number::number::test::factorial_test ... ok
[INFO] [stdout] test number::number::test::test_standard_i ... ok
[INFO] [stdout] test expr::simplify::test::test_e_ln_x ... ok
[INFO] [stdout] test calc::deriver::test::derive_tangent_test ... ok
[INFO] [stdout] test number::number::test::number_add_test ... ok
[INFO] [stdout] test expr::simplify::test::test_add_simplify ... ok
[INFO] [stdout] test number::number::test::complex_division_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mathy
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/expr/evaluator.rs - expr::evaluator::evaluate (line 12) ... ok
[INFO] [stdout] test src/expr/expr.rs - expr::expr::Expr::to_string (line 129) ... ok
[INFO] [stdout] test src/number/number.rs - number::number::Number (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfaf618147789dc4d215ab204b5c40d3bf0709e52acb2e1c2c6d2e3a70b1cc8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfaf618147789dc4d215ab204b5c40d3bf0709e52acb2e1c2c6d2e3a70b1cc8f", kill_on_drop: false }`
[INFO] [stdout] dfaf618147789dc4d215ab204b5c40d3bf0709e52acb2e1c2c6d2e3a70b1cc8f