[INFO] fetching crate jsonrpc-pubsub 17.1.0...
[INFO] testing jsonrpc-pubsub-17.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate jsonrpc-pubsub 17.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate jsonrpc-pubsub 17.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-pubsub 17.1.0
[INFO] finished tweaking crates.io crate jsonrpc-pubsub 17.1.0
[INFO] tweaked toml for crates.io crate jsonrpc-pubsub 17.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate jsonrpc-pubsub 17.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonrpc-tcp-server v17.1.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] d94dabd4ec030e46c9504da0670c465625a0dfa0ca40be18909d5621ef274c33
[INFO] running `Command { std: "docker" "start" "-a" "d94dabd4ec030e46c9504da0670c465625a0dfa0ca40be18909d5621ef274c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d94dabd4ec030e46c9504da0670c465625a0dfa0ca40be18909d5621ef274c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d94dabd4ec030e46c9504da0670c465625a0dfa0ca40be18909d5621ef274c33", kill_on_drop: false }`
[INFO] [stdout] d94dabd4ec030e46c9504da0670c465625a0dfa0ca40be18909d5621ef274c33
[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=forbid" "-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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 720c5185f877931f1a7b7fcb222fe4612535ce0311830ef586f6bbe8c3a80b68
[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" "720c5185f877931f1a7b7fcb222fe4612535ce0311830ef586f6bbe8c3a80b68", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling jsonrpc-core v17.1.0
[INFO] [stderr]    Compiling jsonrpc-pubsub v17.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.19s
[INFO] running `Command { std: "docker" "inspect" "720c5185f877931f1a7b7fcb222fe4612535ce0311830ef586f6bbe8c3a80b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720c5185f877931f1a7b7fcb222fe4612535ce0311830ef586f6bbe8c3a80b68", kill_on_drop: false }`
[INFO] [stdout] 720c5185f877931f1a7b7fcb222fe4612535ce0311830ef586f6bbe8c3a80b68
[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=forbid" "-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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--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] 68d708c9658b4e7ca8871e535d12a7a2246ae5fad1d16e03ffb1da0d378286a4
[INFO] running `Command { std: "docker" "start" "-a" "68d708c9658b4e7ca8871e535d12a7a2246ae5fad1d16e03ffb1da0d378286a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonrpc-server-utils v17.1.0
[INFO] [stderr]    Compiling jsonrpc-tcp-server v17.1.0
[INFO] [stderr]    Compiling jsonrpc-pubsub v17.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.94s
[INFO] running `Command { std: "docker" "inspect" "68d708c9658b4e7ca8871e535d12a7a2246ae5fad1d16e03ffb1da0d378286a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d708c9658b4e7ca8871e535d12a7a2246ae5fad1d16e03ffb1da0d378286a4", kill_on_drop: false }`
[INFO] [stdout] 68d708c9658b4e7ca8871e535d12a7a2246ae5fad1d16e03ffb1da0d378286a4
[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=forbid" "-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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] d990868717e1a0ee3efa27441f1c18f4026894f51bf6a347dc4f5bcc54aaf087
[INFO] running `Command { std: "docker" "start" "-a" "d990868717e1a0ee3efa27441f1c18f4026894f51bf6a347dc4f5bcc54aaf087", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsonrpc_pubsub-5f286e05176bbbcf)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test manager::tests::is_send_sync ... ok
[INFO] [stdout] test manager::tests::making_a_numeric_id_provider_works ... ok
[INFO] [stdout] test manager::tests::numeric_id_provider_with_id_works ... ok
[INFO] [stdout] test manager::tests::subscription_is_not_canceled_because_it_didnt_exist ... ok
[INFO] [stdout] test manager::tests::random_string_provider_returns_id_with_correct_default_len ... ok
[INFO] [stdout] test subscription::tests::should_assign_id ... ok
[INFO] [stdout] test subscription::tests::should_not_remove_subscription_if_invalid ... ok
[INFO] [stdout] test subscription::tests::should_reject ... ok
[INFO] [stdout] test manager::tests::random_string_provider_returns_id_with_correct_user_given_len ... ok
[INFO] [stdout] test subscription::tests::should_remove_subscription ... ok
[INFO] [stdout] test types::tests::should_convert_between_null_value_and_subscription_id ... ok
[INFO] [stdout] test types::tests::should_convert_from_string_to_subscription_id ... ok
[INFO] [stdout] test types::tests::should_convert_from_u16_to_subscription_id ... ok
[INFO] [stdout] test types::tests::should_convert_from_u64_to_subscription_id ... ok
[INFO] [stdout] test types::tests::should_convert_from_u8_to_subscription_id ... ok
[INFO] [stdout] test manager::tests::new_subscription_manager_works_with_numeric_id_provider ... ok
[INFO] [stdout] test types::tests::should_convert_from_u32_to_subscription_id ... ok
[INFO] [stdout] test subscription::tests::should_unregister_in_case_of_collision ... ok
[INFO] [stdout] test subscription::tests::should_unregister_on_drop ... ok
[INFO] [stdout] test manager::tests::new_subscription_manager_works_with_random_string_provider ... ok
[INFO] [stdout] test types::tests::should_convert_between_number_value_and_subscription_id ... ok
[INFO] [stdout] test manager::tests::default_numeric_id_provider_works ... ok
[INFO] [stdout] test manager::tests::new_subscription_manager_defaults_to_random_string_provider ... ok
[INFO] [stdout] test subscription::tests::should_send_notification_to_the_transport ... ok
[INFO] [stdout] test subscription::tests::should_unsubscribe ... ok
[INFO] [stdout] test manager::tests::subscription_is_canceled_if_it_existed ... ok
[INFO] [stdout] test types::tests::should_convert_between_string_value_and_subscription_id ... ok
[INFO] [stdout] test handler::tests::should_handle_subscription ... ok
[INFO] [stdout] test subscription::tests::should_not_unsubscribe_if_invalid ... ok
[INFO] [stdout] test subscription::tests::should_subscribe ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jsonrpc-pubsub
[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" "d990868717e1a0ee3efa27441f1c18f4026894f51bf6a347dc4f5bcc54aaf087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d990868717e1a0ee3efa27441f1c18f4026894f51bf6a347dc4f5bcc54aaf087", kill_on_drop: false }`
[INFO] [stdout] d990868717e1a0ee3efa27441f1c18f4026894f51bf6a347dc4f5bcc54aaf087