[INFO] cloning repository https://github.com/keith-cullen/circular
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keith-cullen/circular" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeith-cullen%2Fcircular", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeith-cullen%2Fcircular'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 245b9c08bfe7c1447e3b89b1b41fdeea86a930ae
[INFO] testing keith-cullen/circular against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeith-cullen%2Fcircular" "/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/keith-cullen/circular 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/keith-cullen/circular
[INFO] finished tweaking git repo https://github.com/keith-cullen/circular
[INFO] tweaked toml for git repo https://github.com/keith-cullen/circular written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/keith-cullen/circular 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] a4371f9a491ca97d983d2df78f5ef48c5a6f8381c01ab399811e7ed0dae8a114
[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" "a4371f9a491ca97d983d2df78f5ef48c5a6f8381c01ab399811e7ed0dae8a114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4371f9a491ca97d983d2df78f5ef48c5a6f8381c01ab399811e7ed0dae8a114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4371f9a491ca97d983d2df78f5ef48c5a6f8381c01ab399811e7ed0dae8a114", kill_on_drop: false }`
[INFO] [stdout] a4371f9a491ca97d983d2df78f5ef48c5a6f8381c01ab399811e7ed0dae8a114
[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] [stdout] 605dd2c6751011568dbd2f54e82d16d784fa679e9eb81a27769c2e670415e0bd
[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" "605dd2c6751011568dbd2f54e82d16d784fa679e9eb81a27769c2e670415e0bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling circular v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "605dd2c6751011568dbd2f54e82d16d784fa679e9eb81a27769c2e670415e0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605dd2c6751011568dbd2f54e82d16d784fa679e9eb81a27769c2e670415e0bd", kill_on_drop: false }`
[INFO] [stdout] 605dd2c6751011568dbd2f54e82d16d784fa679e9eb81a27769c2e670415e0bd
[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] 5be747604f3db9c9e2bdc900e8f189e81efa51aec4213391bb6c86c32843b988
[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" "5be747604f3db9c9e2bdc900e8f189e81efa51aec4213391bb6c86c32843b988", kill_on_drop: false }`
[INFO] [stderr]    Compiling circular v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "5be747604f3db9c9e2bdc900e8f189e81efa51aec4213391bb6c86c32843b988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be747604f3db9c9e2bdc900e8f189e81efa51aec4213391bb6c86c32843b988", kill_on_drop: false }`
[INFO] [stdout] 5be747604f3db9c9e2bdc900e8f189e81efa51aec4213391bb6c86c32843b988
[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] [stdout] 8466668a7dc7d69a9fe4e87a5b62c94c105586c68590457efdc29de37f08fd5d
[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" "8466668a7dc7d69a9fe4e87a5b62c94c105586c68590457efdc29de37f08fd5d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/circular-b15fca37fe44cc6a
[INFO] [stdout] running 20 tests
[INFO] [stdout] test copying_tests::new ... ok
[INFO] [stdout] test copying_tests::start_mid_write_peek_consume_larger_buffer ... ok
[INFO] [stdout] test copying_tests::write_peek_consume_smaller_buffer ... ok
[INFO] [stdout] test copying_tests::start_mid_write_peek_consume_smaller_buffer ... ok
[INFO] [stdout] test copying_tests::write_read_smaller_buffer ... ok
[INFO] [stdout] test copying_tests::write_peek_consume_larger_buffer ... ok
[INFO] [stdout] test copying_tests::start_mid_write_read_larger_buffer ... ok
[INFO] [stdout] test moving_tests::new ... ok
[INFO] [stdout] test copying_tests::start_mid_write_read_smaller_buffer ... ok
[INFO] [stdout] test copying_tests::push_pop ... ok
[INFO] [stdout] test copying_tests::write_read_larger_buffer ... ok
[INFO] [stdout] test moving_tests::write_read_larger_buffer ... ok
[INFO] [stdout] test moving_tests::start_mid_write_read_smaller_buffer ... ok
[INFO] [stdout] test moving_tests::write_read_smaller_buffer ... ok
[INFO] [stdout] test moving_tests::push_pop ... ok
[INFO] [stdout] test moving_tests::start_mid_write_read_larger_buffer ... ok
[INFO] [stdout] test copying_tests::new_with_len_not_power_of_two ... ok
[INFO] [stdout] test moving_tests::new_with_len_too_small ... ok
[INFO] [stdout] test copying_tests::new_with_len_too_small ... ok
[INFO] [stdout] test moving_tests::new_with_len_not_power_of_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests circular
[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" "8466668a7dc7d69a9fe4e87a5b62c94c105586c68590457efdc29de37f08fd5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8466668a7dc7d69a9fe4e87a5b62c94c105586c68590457efdc29de37f08fd5d", kill_on_drop: false }`
[INFO] [stdout] 8466668a7dc7d69a9fe4e87a5b62c94c105586c68590457efdc29de37f08fd5d