[INFO] fetching crate ringtail 0.3.0...
[INFO] testing ringtail-0.3.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate ringtail 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ringtail 0.3.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ringtail 0.3.0
[INFO] finished tweaking crates.io crate ringtail 0.3.0
[INFO] tweaked toml for crates.io crate ringtail 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] 5c3cd1209d5d329930ed90bce8eb10b16e066a087c3e38b89be0a31360cf90bc
[INFO] running `Command { std: "docker" "start" "-a" "5c3cd1209d5d329930ed90bce8eb10b16e066a087c3e38b89be0a31360cf90bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c3cd1209d5d329930ed90bce8eb10b16e066a087c3e38b89be0a31360cf90bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3cd1209d5d329930ed90bce8eb10b16e066a087c3e38b89be0a31360cf90bc", kill_on_drop: false }`
[INFO] [stdout] 5c3cd1209d5d329930ed90bce8eb10b16e066a087c3e38b89be0a31360cf90bc
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 0847f730b4a92b722b6941448d0071145a01da2edf58e4f76772f0f3dde70898
[INFO] running `Command { std: "docker" "start" "-a" "0847f730b4a92b722b6941448d0071145a01da2edf58e4f76772f0f3dde70898", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringtail v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "0847f730b4a92b722b6941448d0071145a01da2edf58e4f76772f0f3dde70898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0847f730b4a92b722b6941448d0071145a01da2edf58e4f76772f0f3dde70898", kill_on_drop: false }`
[INFO] [stdout] 0847f730b4a92b722b6941448d0071145a01da2edf58e4f76772f0f3dde70898
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d73a4f51d52a570177fa814becb2b7dcebee238c075b0177f0ae20d950b89ed4
[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" "d73a4f51d52a570177fa814becb2b7dcebee238c075b0177f0ae20d950b89ed4", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling ringtail v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.38s
[INFO] running `Command { std: "docker" "inspect" "d73a4f51d52a570177fa814becb2b7dcebee238c075b0177f0ae20d950b89ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d73a4f51d52a570177fa814becb2b7dcebee238c075b0177f0ae20d950b89ed4", kill_on_drop: false }`
[INFO] [stdout] d73a4f51d52a570177fa814becb2b7dcebee238c075b0177f0ae20d950b89ed4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] f4454f98fa304d22fba2b470aff0503c5e43b6bb8e79f9b7393238db2e6ca1db
[INFO] running `Command { std: "docker" "start" "-a" "f4454f98fa304d22fba2b470aff0503c5e43b6bb8e79f9b7393238db2e6ca1db", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ringtail-1b5cae68629f8d7d)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test buffers::atomic::tests::test_capacity ... ok
[INFO] [stdout] test buffers::atomic::tests::test_pull_less_than_buffer ... ok
[INFO] [stdout] test buffers::atomic::tests::test_pull_more_than_buffer ... ok
[INFO] [stdout] test buffers::atomic::tests::test_push_more_than_buffer ... ok
[INFO] [stdout] test buffers::unbounded::tests::test_capacity ... ok
[INFO] [stdout] test buffers::unbounded::tests::test_push_and_consume ... ok
[INFO] [stdout] test buffers::unbounded::tests::test_pull_less_than_buffer ... ok
[INFO] [stdout] test buffers::unbounded::tests::test_push_a_lot ... ok
[INFO] [stdout] test internal::arrays::tests::copy_from_seq_with_less_elements ... ok
[INFO] [stdout] test buffers::unbounded::tests::test_force_resize ... ok
[INFO] [stdout] test internal::arrays::tests::copy_to_seq_with_more_elements ... ok
[INFO] [stdout] test buffers::unbounded::tests::test_pull_more_than_buffer ... ok
[INFO] [stdout] test internal::arrays::tests::copy_from_seq_with_more_elements ... ok
[INFO] [stdout] test buffers::unbounded::tests::test_push ... ok
[INFO] [stdout] test io::tests::read_nonblocking ... ok
[INFO] [stdout] test io::tests::read_from_closed_pipe_returns_zero ... ok
[INFO] [stdout] test buffers::atomic::tests::test_push ... ok
[INFO] [stdout] test buffers::atomic::tests::test_push_and_consume ... ok
[INFO] [stdout] test buffers::atomic::tests::test_push_capacity ... ok
[INFO] [stdout] test internal::arrays::tests::copy_to_seq_with_less_elements ... ok
[INFO] [stdout] test io::tests::read_write ... ok
[INFO] [stdout] test io::tests::write_nonblocking ... ok
[INFO] [stdout] test io::tests::write_to_closed_pipe_returns_broken_pipe ... ok
[INFO] [stdout] test io::tests::read_empty_blocking ... ok
[INFO] [stderr]    Doc-tests ringtail
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[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" "f4454f98fa304d22fba2b470aff0503c5e43b6bb8e79f9b7393238db2e6ca1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4454f98fa304d22fba2b470aff0503c5e43b6bb8e79f9b7393238db2e6ca1db", kill_on_drop: false }`
[INFO] [stdout] f4454f98fa304d22fba2b470aff0503c5e43b6bb8e79f9b7393238db2e6ca1db