[INFO] cloning repository https://github.com/Afront/pi_approximator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Afront/pi_approximator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAfront%2Fpi_approximator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAfront%2Fpi_approximator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fd6ace888a7abf245a8651c840a5cec9c6eedf7
[INFO] testing Afront/pi_approximator against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAfront%2Fpi_approximator" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Afront/pi_approximator on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Afront/pi_approximator
[INFO] finished tweaking git repo https://github.com/Afront/pi_approximator
[INFO] tweaked toml for git repo https://github.com/Afront/pi_approximator written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Afront/pi_approximator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b1f30b1b52fea8a4b1b8ab36ecc8fb4db5a7aeccb4eb238f075e0a7a0e3069a
[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" "3b1f30b1b52fea8a4b1b8ab36ecc8fb4db5a7aeccb4eb238f075e0a7a0e3069a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b1f30b1b52fea8a4b1b8ab36ecc8fb4db5a7aeccb4eb238f075e0a7a0e3069a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1f30b1b52fea8a4b1b8ab36ecc8fb4db5a7aeccb4eb238f075e0a7a0e3069a", kill_on_drop: false }`
[INFO] [stdout] 3b1f30b1b52fea8a4b1b8ab36ecc8fb4db5a7aeccb4eb238f075e0a7a0e3069a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8659ecd43cc4447e51bc118ef557433012b0ec0d5c34218a5ec17da7839ce07f
[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" "8659ecd43cc4447e51bc118ef557433012b0ec0d5c34218a5ec17da7839ce07f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling pi_approximator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.26s
[INFO] running `Command { std: "docker" "inspect" "8659ecd43cc4447e51bc118ef557433012b0ec0d5c34218a5ec17da7839ce07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8659ecd43cc4447e51bc118ef557433012b0ec0d5c34218a5ec17da7839ce07f", kill_on_drop: false }`
[INFO] [stdout] 8659ecd43cc4447e51bc118ef557433012b0ec0d5c34218a5ec17da7839ce07f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5939e7b7fba9bf5fe06c6e8e55a7ed6842eb6783f7b106e0e5392e58fec44dd9
[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" "5939e7b7fba9bf5fe06c6e8e55a7ed6842eb6783f7b106e0e5392e58fec44dd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling pi_approximator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "5939e7b7fba9bf5fe06c6e8e55a7ed6842eb6783f7b106e0e5392e58fec44dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5939e7b7fba9bf5fe06c6e8e55a7ed6842eb6783f7b106e0e5392e58fec44dd9", kill_on_drop: false }`
[INFO] [stdout] 5939e7b7fba9bf5fe06c6e8e55a7ed6842eb6783f7b106e0e5392e58fec44dd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79e54986845cf8809b465781bec59e7b981437f969139b38f199d7796cf3c73b
[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" "79e54986845cf8809b465781bec59e7b981437f969139b38f199d7796cf3c73b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pi_approximator-dac7e0386c090093
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/main-27d0bf8a986d98c4
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leibniz-49d767ad46506ae1
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test leibniz::can_use_regular_ints ... ok
[INFO] [stdout] test leibniz::returns_one_when_n_is_zero ... ok
[INFO] [stdout] test leibniz::can_use_uints ... ok
[INFO] [stdout] test leibniz::returns_the_correct_big_rational_for_other_big_ints ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-4d61575c8f874f8a
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test leibniz::leibniz::returns_one_when_n_is_zero ... ok
[INFO] [stdout] test leibniz::leibniz::returns_the_correct_big_rational_for_other_big_ints ... ok
[INFO] [stdout] test leibniz::leibniz::can_use_regular_ints ... ok
[INFO] [stderr]    Doc-tests pi_approximator
[INFO] [stdout] test leibniz::leibniz::can_use_uints ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79e54986845cf8809b465781bec59e7b981437f969139b38f199d7796cf3c73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e54986845cf8809b465781bec59e7b981437f969139b38f199d7796cf3c73b", kill_on_drop: false }`
[INFO] [stdout] 79e54986845cf8809b465781bec59e7b981437f969139b38f199d7796cf3c73b