[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 beta-2021-01-01 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-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keith-cullen/circular 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/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-13/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" "+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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 937978aa7169c309262767d0b9d3bdf081bb6413a065cd8cc9fec0574c7ae4b1
[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" "937978aa7169c309262767d0b9d3bdf081bb6413a065cd8cc9fec0574c7ae4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "937978aa7169c309262767d0b9d3bdf081bb6413a065cd8cc9fec0574c7ae4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937978aa7169c309262767d0b9d3bdf081bb6413a065cd8cc9fec0574c7ae4b1", kill_on_drop: false }`
[INFO] [stdout] 937978aa7169c309262767d0b9d3bdf081bb6413a065cd8cc9fec0574c7ae4b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2042c2d64db2ab9874f9a5cc5fc9dfd4aade01795fc3186d62ae8d2271418423
[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" "2042c2d64db2ab9874f9a5cc5fc9dfd4aade01795fc3186d62ae8d2271418423", kill_on_drop: false }`
[INFO] [stderr]    Compiling circular v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "2042c2d64db2ab9874f9a5cc5fc9dfd4aade01795fc3186d62ae8d2271418423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2042c2d64db2ab9874f9a5cc5fc9dfd4aade01795fc3186d62ae8d2271418423", kill_on_drop: false }`
[INFO] [stdout] 2042c2d64db2ab9874f9a5cc5fc9dfd4aade01795fc3186d62ae8d2271418423
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 734c2ac8f138cf7d43d854b8a2d6e46f21d6c2b85dd8e05fc8bbad12e39ffd5c
[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" "734c2ac8f138cf7d43d854b8a2d6e46f21d6c2b85dd8e05fc8bbad12e39ffd5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling circular v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `Command { std: "docker" "inspect" "734c2ac8f138cf7d43d854b8a2d6e46f21d6c2b85dd8e05fc8bbad12e39ffd5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734c2ac8f138cf7d43d854b8a2d6e46f21d6c2b85dd8e05fc8bbad12e39ffd5c", kill_on_drop: false }`
[INFO] [stdout] 734c2ac8f138cf7d43d854b8a2d6e46f21d6c2b85dd8e05fc8bbad12e39ffd5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c0961cb870729b828a3a6e8416a38371fadb42e8064aae88b4213c9bff6f3649
[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" "c0961cb870729b828a3a6e8416a38371fadb42e8064aae88b4213c9bff6f3649", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 20 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/circular-6359ebb32ac09b98
[INFO] [stdout] test copying_tests::new ... ok
[INFO] [stdout] test moving_tests::new ... ok
[INFO] [stdout] test copying_tests::write_read_smaller_buffer ... ok
[INFO] [stdout] test copying_tests::write_read_larger_buffer ... ok
[INFO] [stdout] test copying_tests::push_pop ... ok
[INFO] [stdout] test copying_tests::start_mid_write_read_smaller_buffer ... ok
[INFO] [stdout] test copying_tests::start_mid_write_read_larger_buffer ... ok
[INFO] [stdout] test copying_tests::write_peek_consume_smaller_buffer ... ok
[INFO] [stdout] test copying_tests::write_peek_consume_larger_buffer ... ok
[INFO] [stdout] test copying_tests::start_mid_write_peek_consume_larger_buffer ... ok
[INFO] [stdout] test copying_tests::start_mid_write_peek_consume_smaller_buffer ... ok
[INFO] [stdout] test moving_tests::write_read_larger_buffer ... ok
[INFO] [stdout] test moving_tests::start_mid_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 copying_tests::new_with_len_too_small ... ok
[INFO] [stdout] test copying_tests::new_with_len_not_power_of_two ... ok
[INFO] [stdout] test moving_tests::new_with_len_not_power_of_two ... ok
[INFO] [stdout] test moving_tests::new_with_len_too_small ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0961cb870729b828a3a6e8416a38371fadb42e8064aae88b4213c9bff6f3649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0961cb870729b828a3a6e8416a38371fadb42e8064aae88b4213c9bff6f3649", kill_on_drop: false }`
[INFO] [stdout] c0961cb870729b828a3a6e8416a38371fadb42e8064aae88b4213c9bff6f3649