[INFO] fetching crate ripb 0.3.1...
[INFO] testing ripb-0.3.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate ripb 0.3.1 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate ripb 0.3.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ripb 0.3.1
[INFO] finished tweaking crates.io crate ripb 0.3.1
[INFO] tweaked toml for crates.io crate ripb 0.3.1 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48cf279f93c3a47568e583c00ba7e1a99088d72a16367aa76e5013e32adb4556
[INFO] running `Command { std: "docker" "start" "-a" "48cf279f93c3a47568e583c00ba7e1a99088d72a16367aa76e5013e32adb4556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48cf279f93c3a47568e583c00ba7e1a99088d72a16367aa76e5013e32adb4556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48cf279f93c3a47568e583c00ba7e1a99088d72a16367aa76e5013e32adb4556", kill_on_drop: false }`
[INFO] [stdout] 48cf279f93c3a47568e583c00ba7e1a99088d72a16367aa76e5013e32adb4556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ee8224f2a5abc1f7b9e426393487a671e522a8c68f99761252ff76f28d84711
[INFO] running `Command { std: "docker" "start" "-a" "0ee8224f2a5abc1f7b9e426393487a671e522a8c68f99761252ff76f28d84711", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling ripb v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:123:31
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let message = Any::downcast_ref::<T>(&**payload)
[INFO] [stdout]     |                               ^^^ help: use `dyn`: `<dyn Any>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "0ee8224f2a5abc1f7b9e426393487a671e522a8c68f99761252ff76f28d84711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee8224f2a5abc1f7b9e426393487a671e522a8c68f99761252ff76f28d84711", kill_on_drop: false }`
[INFO] [stdout] 0ee8224f2a5abc1f7b9e426393487a671e522a8c68f99761252ff76f28d84711
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9df7322d6752bf6dc248d08bb3e39dd30874bd9049a075137de997b6b8ee9428
[INFO] running `Command { std: "docker" "start" "-a" "9df7322d6752bf6dc248d08bb3e39dd30874bd9049a075137de997b6b8ee9428", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:123:31
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let message = Any::downcast_ref::<T>(&**payload)
[INFO] [stdout]     |                               ^^^ help: use `dyn`: `<dyn Any>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ripb v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:123:31
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let message = Any::downcast_ref::<T>(&**payload)
[INFO] [stdout]     |                               ^^^ help: use `dyn`: `<dyn Any>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `Command { std: "docker" "inspect" "9df7322d6752bf6dc248d08bb3e39dd30874bd9049a075137de997b6b8ee9428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df7322d6752bf6dc248d08bb3e39dd30874bd9049a075137de997b6b8ee9428", kill_on_drop: false }`
[INFO] [stdout] 9df7322d6752bf6dc248d08bb3e39dd30874bd9049a075137de997b6b8ee9428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2336c921b5402641108235f4d1e7f4205138733b11b4aeae94e5641abc038358
[INFO] running `Command { std: "docker" "start" "-a" "2336c921b5402641108235f4d1e7f4205138733b11b4aeae94e5641abc038358", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:123:31
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let message = Any::downcast_ref::<T>(&**payload)
[INFO] [stderr]     |                               ^^^ help: use `dyn`: `<dyn Any>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:123:31
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let message = Any::downcast_ref::<T>(&**payload)
[INFO] [stderr]     |                               ^^^ help: use `dyn`: `<dyn Any>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ripb-d85a9ee0a54b3040)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::no_busyloop ... ignored
[INFO] [stdout] test tests::can_send_simple_messages_to_a_subscriber_from_multiple_threads ... ok
[INFO] [stdout] test tests::cannot_receive_messages_in_a_dropped_subscriber ... ok
[INFO] [stdout] test tests::can_unsubscribe_callbacks ... ok
[INFO] [stdout] test tests::dropping_subscribers_drops_the_corresponding_subscription ... ok
[INFO] [stdout] test tests::can_send_a_complex_message_to_a_subscriber ... ok
[INFO] [stdout] test tests::subscriber_on_a_dropped_bus_should_generate_dead_bus_error_on_subscribe ... ok
[INFO] [stdout] test tests::can_send_simple_messages_to_a_subscriber_from_cloned_instance ... ok
[INFO] [stdout] test tests::can_register_multiple_message_handlers_for_the_same_message_on_a_single_receiver ... ok
[INFO] [stdout] test tests::can_send_a_simple_message_to_a_subscriber ... ok
[INFO] [stdout] test tests::can_send_a_simple_message_to_2_subscribers ... ok
[INFO] [stdout] test tests::can_drop_the_bus_while_it_is_still_working ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ripb
[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" "2336c921b5402641108235f4d1e7f4205138733b11b4aeae94e5641abc038358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2336c921b5402641108235f4d1e7f4205138733b11b4aeae94e5641abc038358", kill_on_drop: false }`
[INFO] [stdout] 2336c921b5402641108235f4d1e7f4205138733b11b4aeae94e5641abc038358
