[INFO] cloning repository https://github.com/shpun817/Ring-Buffer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shpun817/Ring-Buffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshpun817%2FRing-Buffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshpun817%2FRing-Buffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40ca75469bcd89a96f3de2725fd3f9f87772df95
[INFO] testing shpun817/Ring-Buffer 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%2Fshpun817%2FRing-Buffer" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shpun817/Ring-Buffer 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/shpun817/Ring-Buffer
[INFO] finished tweaking git repo https://github.com/shpun817/Ring-Buffer
[INFO] tweaked toml for git repo https://github.com/shpun817/Ring-Buffer written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/shpun817/Ring-Buffer 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 0bc3b98367738992041175fd2b974feb7415202117d7cb2b0d0a114829f331ba
[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" "0bc3b98367738992041175fd2b974feb7415202117d7cb2b0d0a114829f331ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bc3b98367738992041175fd2b974feb7415202117d7cb2b0d0a114829f331ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc3b98367738992041175fd2b974feb7415202117d7cb2b0d0a114829f331ba", kill_on_drop: false }`
[INFO] [stdout] 0bc3b98367738992041175fd2b974feb7415202117d7cb2b0d0a114829f331ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 5fcdc334df4652f7531144bb3ae20432b6ff5ab620be43db65d468835edfd52a
[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" "5fcdc334df4652f7531144bb3ae20432b6ff5ab620be43db65d468835edfd52a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring-buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "5fcdc334df4652f7531144bb3ae20432b6ff5ab620be43db65d468835edfd52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fcdc334df4652f7531144bb3ae20432b6ff5ab620be43db65d468835edfd52a", kill_on_drop: false }`
[INFO] [stdout] 5fcdc334df4652f7531144bb3ae20432b6ff5ab620be43db65d468835edfd52a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] f6b12c41d70cc106794d738c4f1db6e6a57d30bf76d52bdb42c718fe2377e2c3
[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" "f6b12c41d70cc106794d738c4f1db6e6a57d30bf76d52bdb42c718fe2377e2c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring-buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "f6b12c41d70cc106794d738c4f1db6e6a57d30bf76d52bdb42c718fe2377e2c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b12c41d70cc106794d738c4f1db6e6a57d30bf76d52bdb42c718fe2377e2c3", kill_on_drop: false }`
[INFO] [stdout] f6b12c41d70cc106794d738c4f1db6e6a57d30bf76d52bdb42c718fe2377e2c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 4d129292d80a33d8e07d80a332821006424bca055c1414a06f2bc16bd9a3a395
[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" "4d129292d80a33d8e07d80a332821006424bca055c1414a06f2bc16bd9a3a395", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ring_buffer-c21444a82b686872
[INFO] [stdout] test ring_buffer::test::add_to_ring_buffer ... ok
[INFO] [stdout] test ring_buffer::test::add_from_vec_to_slice ... ok
[INFO] [stdout] test ring_buffer::test::new_buf_from_slice ... ok
[INFO] [stdout] test ring_buffer::test::circularity ... ok
[INFO] [stdout] test ring_buffer::test::remove_from_ring_buffer ... ok
[INFO] [stderr]    Doc-tests ring-buffer
[INFO] [stdout] test ring_buffer::test::create_ring_buffer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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" "4d129292d80a33d8e07d80a332821006424bca055c1414a06f2bc16bd9a3a395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d129292d80a33d8e07d80a332821006424bca055c1414a06f2bc16bd9a3a395", kill_on_drop: false }`
[INFO] [stdout] 4d129292d80a33d8e07d80a332821006424bca055c1414a06f2bc16bd9a3a395