[INFO] crate ringbuffer 0.2.2 is already in cache
[INFO] testing ringbuffer-0.2.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate ringbuffer 0.2.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ringbuffer 0.2.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ringbuffer 0.2.2
[INFO] finished tweaking crates.io crate ringbuffer 0.2.2
[INFO] tweaked toml for crates.io crate ringbuffer 0.2.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8099bab893c5996fe895dc0d782fef763a6489405b1563a418500e7be021bd45
[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" "8099bab893c5996fe895dc0d782fef763a6489405b1563a418500e7be021bd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8099bab893c5996fe895dc0d782fef763a6489405b1563a418500e7be021bd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8099bab893c5996fe895dc0d782fef763a6489405b1563a418500e7be021bd45", kill_on_drop: false }`
[INFO] [stdout] 8099bab893c5996fe895dc0d782fef763a6489405b1563a418500e7be021bd45
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d58ae85f8806b3332a91544ae51bba92c3251a2c1c853134afc9d5dc53a40876
[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" "d58ae85f8806b3332a91544ae51bba92c3251a2c1c853134afc9d5dc53a40876", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringbuffer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "d58ae85f8806b3332a91544ae51bba92c3251a2c1c853134afc9d5dc53a40876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58ae85f8806b3332a91544ae51bba92c3251a2c1c853134afc9d5dc53a40876", kill_on_drop: false }`
[INFO] [stdout] d58ae85f8806b3332a91544ae51bba92c3251a2c1c853134afc9d5dc53a40876
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cf4d34972a5e66c1da2b8e09c5327fdfdcca323bba80b4f1184d3a49bd9203c
[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" "0cf4d34972a5e66c1da2b8e09c5327fdfdcca323bba80b4f1184d3a49bd9203c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringbuffer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "0cf4d34972a5e66c1da2b8e09c5327fdfdcca323bba80b4f1184d3a49bd9203c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf4d34972a5e66c1da2b8e09c5327fdfdcca323bba80b4f1184d3a49bd9203c", kill_on_drop: false }`
[INFO] [stdout] 0cf4d34972a5e66c1da2b8e09c5327fdfdcca323bba80b4f1184d3a49bd9203c
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 55aa9716f88d8c38cb54828571ed4fc1d0c1d85a53d326bc8388c08551995653
[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" "55aa9716f88d8c38cb54828571ed4fc1d0c1d85a53d326bc8388c08551995653", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ringbuffer-74d73887f659dd6e
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::test_default_capacity_constant ... ok
[INFO] [stdout] test tests::test_clear ... ok
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] test tests::test_default_eq_new ... ok
[INFO] [stdout] test tests::test_default ... ok
[INFO] [stdout] test tests::test_index_mut ... ok
[INFO] [stdout] test tests::test_iter_mut_wrap ... ok
[INFO] [stdout] test tests::test_index ... ok
[INFO] [stdout] test tests::test_iter_mut ... ok
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stdout] test tests::test_iter_wrap ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_len_wrap ... ok
[INFO] [stdout] test tests::test_to_vec ... ok
[INFO] [stdout] test tests::test_peek_some ... ok
[INFO] [stdout] test tests::test_to_vec_wrap ... ok
[INFO] [stdout] test tests::test_peek_none ... ok
[INFO] [stdout] test tests::test_index_bigger_than_length ... ok
[INFO] [stderr]    Doc-tests ringbuffer
[INFO] [stdout] test tests::test_no_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - RingBuffer (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "55aa9716f88d8c38cb54828571ed4fc1d0c1d85a53d326bc8388c08551995653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55aa9716f88d8c38cb54828571ed4fc1d0c1d85a53d326bc8388c08551995653", kill_on_drop: false }`
[INFO] [stdout] 55aa9716f88d8c38cb54828571ed4fc1d0c1d85a53d326bc8388c08551995653