[INFO] cloning repository https://github.com/cmnord/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cmnord/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmnord%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmnord%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90943784fcd0d9d25b8477b554efcfb0208da429
[INFO] testing cmnord/learning-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmnord%2Flearning-rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cmnord/learning-rust 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/cmnord/learning-rust
[INFO] finished tweaking git repo https://github.com/cmnord/learning-rust
[INFO] tweaked toml for git repo https://github.com/cmnord/learning-rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/cmnord/learning-rust 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 57ead4ddc8c46fa2d4cd7cc806a789d85a71504c8bafb912b91128ce0396fd41
[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" "57ead4ddc8c46fa2d4cd7cc806a789d85a71504c8bafb912b91128ce0396fd41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57ead4ddc8c46fa2d4cd7cc806a789d85a71504c8bafb912b91128ce0396fd41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ead4ddc8c46fa2d4cd7cc806a789d85a71504c8bafb912b91128ce0396fd41", kill_on_drop: false }`
[INFO] [stdout] 57ead4ddc8c46fa2d4cd7cc806a789d85a71504c8bafb912b91128ce0396fd41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 43d220f991c01ad6af55ac9e81b6f8fec3cdaf33a6c390adba780bb7acaa95e4
[INFO] running `Command { std: "docker" "start" "-a" "43d220f991c01ad6af55ac9e81b6f8fec3cdaf33a6c390adba780bb7acaa95e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "43d220f991c01ad6af55ac9e81b6f8fec3cdaf33a6c390adba780bb7acaa95e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d220f991c01ad6af55ac9e81b6f8fec3cdaf33a6c390adba780bb7acaa95e4", kill_on_drop: false }`
[INFO] [stdout] 43d220f991c01ad6af55ac9e81b6f8fec3cdaf33a6c390adba780bb7acaa95e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d224cf163738c010c5b49fcb42ccf081e7e8b10b4b4a5fcef1729603ab7a6507
[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" "d224cf163738c010c5b49fcb42ccf081e7e8b10b4b4a5fcef1729603ab7a6507", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "d224cf163738c010c5b49fcb42ccf081e7e8b10b4b4a5fcef1729603ab7a6507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d224cf163738c010c5b49fcb42ccf081e7e8b10b4b4a5fcef1729603ab7a6507", kill_on_drop: false }`
[INFO] [stdout] d224cf163738c010c5b49fcb42ccf081e7e8b10b4b4a5fcef1729603ab7a6507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ebe491f077046c726c821d7722bc97eb7ec79ac73c32ad879e226bc9be63f2bd
[INFO] running `Command { std: "docker" "start" "-a" "ebe491f077046c726c821d7722bc97eb7ec79ac73c32ad879e226bc9be63f2bd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learning_rust-b4f2db9d72f1bddd
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test hackerrank::counting_valleys::tests::test_three ... ok
[INFO] [stdout] test hackerrank::counting_valleys::tests::test_two ... ok
[INFO] [stdout] test hackerrank::sock_merchant::tests::test_one ... ok
[INFO] [stdout] test hackerrank::jumping_on_clouds::tests::test_one ... ok
[INFO] [stdout] test hackerrank::sock_merchant::tests::test_two ... ok
[INFO] [stdout] test hackerrank::electronics_shop::tests::test_two ... ok
[INFO] [stdout] test hackerrank::electronics_shop::tests::test_three ... ok
[INFO] [stdout] test hackerrank::counting_valleys::tests::test_one ... ok
[INFO] [stdout] test hackerrank::electronics_shop::tests::test_one ... ok
[INFO] [stdout] test hackerrank::counting_valleys::tests::test_four ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ebe491f077046c726c821d7722bc97eb7ec79ac73c32ad879e226bc9be63f2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe491f077046c726c821d7722bc97eb7ec79ac73c32ad879e226bc9be63f2bd", kill_on_drop: false }`
[INFO] [stdout] ebe491f077046c726c821d7722bc97eb7ec79ac73c32ad879e226bc9be63f2bd