[INFO] fetching crate bus_queue 0.5.3...
[INFO] testing bus_queue-0.5.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bus_queue 0.5.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bus_queue 0.5.3 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 crates.io crate bus_queue 0.5.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate bus_queue 0.5.3
[INFO] tweaked toml for crates.io crate bus_queue 0.5.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate bus_queue 0.5.3 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 5222caf242b9e96272fd62aad20b71ed5d97d16a80b069c0133937c20b849cf1
[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" "5222caf242b9e96272fd62aad20b71ed5d97d16a80b069c0133937c20b849cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5222caf242b9e96272fd62aad20b71ed5d97d16a80b069c0133937c20b849cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5222caf242b9e96272fd62aad20b71ed5d97d16a80b069c0133937c20b849cf1", kill_on_drop: false }`
[INFO] [stdout] 5222caf242b9e96272fd62aad20b71ed5d97d16a80b069c0133937c20b849cf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 06da8a41113b3c1b8cd14c7a660c687ae6685a5ae70be8e2e6df5c9c7bde5760
[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" "06da8a41113b3c1b8cd14c7a660c687ae6685a5ae70be8e2e6df5c9c7bde5760", kill_on_drop: false }`
[INFO] [stderr]    Compiling arc-swap v0.4.6
[INFO] [stderr]    Compiling bus_queue v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "06da8a41113b3c1b8cd14c7a660c687ae6685a5ae70be8e2e6df5c9c7bde5760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06da8a41113b3c1b8cd14c7a660c687ae6685a5ae70be8e2e6df5c9c7bde5760", kill_on_drop: false }`
[INFO] [stdout] 06da8a41113b3c1b8cd14c7a660c687ae6685a5ae70be8e2e6df5c9c7bde5760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a3c5ab4d67ccae21646a5c7fdeb06589cab3ff1dd1c1592740fafa65039a4b65
[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" "a3c5ab4d67ccae21646a5c7fdeb06589cab3ff1dd1c1592740fafa65039a4b65", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.13
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling pin-project v0.4.13
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures-test v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling bus_queue v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 31.24s
[INFO] running `Command { std: "docker" "inspect" "a3c5ab4d67ccae21646a5c7fdeb06589cab3ff1dd1c1592740fafa65039a4b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c5ab4d67ccae21646a5c7fdeb06589cab3ff1dd1c1592740fafa65039a4b65", kill_on_drop: false }`
[INFO] [stdout] a3c5ab4d67ccae21646a5c7fdeb06589cab3ff1dd1c1592740fafa65039a4b65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 40ae4e662af665c9a7d89591bdcadf7e7fecc3e1b03dde9951ff4dca295a39e7
[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" "40ae4e662af665c9a7d89591bdcadf7e7fecc3e1b03dde9951ff4dca295a39e7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bus_queue-1eac627c8e4f5790
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test bus::test::notify ... ok
[INFO] [stdout] test bus::test::subscriber_is_in_pending_state_before_first_data_is_published ... ok
[INFO] [stdout] test bus::test::subscriber_receives_an_item_after_it_is_published ... ok
[INFO] [stdout] test bus::test::test_set_skip_items ... ok
[INFO] [stdout] test bus::test::subscriber_recieves_an_item_after_publisher_overflowed ... ok
[INFO] [stdout] test channel::test::bounded_channel_no_sender ... ok
[INFO] [stdout] test channel::test::bounded_channel_no_subs ... ok
[INFO] [stdout] test channel::test::bounded_overflow ... ok
[INFO] [stdout] test channel::test::bounded_overflow_with_reads ... ok
[INFO] [stdout] test bus::test::test_subscriber_eq ... ok
[INFO] [stdout] test channel::test::subcount ... ok
[INFO] [stdout] test channel::test::test_is_empty ... ok
[INFO] [stdout] test channel::test::writer_overflows_pass_usize_max_less_then_size ... ok
[INFO] [stdout] test swap_slot::test::test_swap_slot ... ok
[INFO] [stdout] test flavors::rw_lock::test::test_rwlock ... ok
[INFO] [stdout] test channel::test::writer_overflows_pass_usize_max_more_then_size ... ok
[INFO] [stdout] test flavors::arc_swap::test::test_arcswap ... ok
[INFO] [stdout] test channel::test::test_set_skip_items ... ok
[INFO] [stdout] test channel::test::test_sender_eq ... ok
[INFO] [stdout] test channel::test::bounded_within_size ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_tests-3efeb4ae3339ffa5
[INFO] [stdout] test bus::test::subscriber_is_done_after_publisher_drop ... ok
[INFO] [stdout] test channel::test::test_arc ... ok
[INFO] [stdout] test channel::test::read_before_writer_increments ... ok
[INFO] [stdout] test bus::test::subscriber_is_done_after_publisher_closes ... ok
[INFO] [stdout] test channel::test::bounded_channel ... ok
[INFO] [stdout] test bus::test::test_publisher_eq ... ok
[INFO] [stdout] test channel::test::bounded_channel_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_subscriber_item_drop_related_to_ratio_of_timing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bus_queue
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 65) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "40ae4e662af665c9a7d89591bdcadf7e7fecc3e1b03dde9951ff4dca295a39e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40ae4e662af665c9a7d89591bdcadf7e7fecc3e1b03dde9951ff4dca295a39e7", kill_on_drop: false }`
[INFO] [stdout] 40ae4e662af665c9a7d89591bdcadf7e7fecc3e1b03dde9951ff4dca295a39e7