[INFO] fetching crate jsonrpc-pubsub 16.0.0...
[INFO] testing jsonrpc-pubsub-16.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate jsonrpc-pubsub 16.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate jsonrpc-pubsub 16.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-pubsub 16.0.0
[INFO] finished tweaking crates.io crate jsonrpc-pubsub 16.0.0
[INFO] tweaked toml for crates.io crate jsonrpc-pubsub 16.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate jsonrpc-pubsub 16.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonrpc-tcp-server v16.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1e6419a2bbae735f702008aad50a3c38a8cb919c271473e5531b03d6623bd85
[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" "e1e6419a2bbae735f702008aad50a3c38a8cb919c271473e5531b03d6623bd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1e6419a2bbae735f702008aad50a3c38a8cb919c271473e5531b03d6623bd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e6419a2bbae735f702008aad50a3c38a8cb919c271473e5531b03d6623bd85", kill_on_drop: false }`
[INFO] [stdout] e1e6419a2bbae735f702008aad50a3c38a8cb919c271473e5531b03d6623bd85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8ddf343d66a0dec807cecdfa2f04f8a52cbf19c116a1986a162eb969fa985cb
[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" "a8ddf343d66a0dec807cecdfa2f04f8a52cbf19c116a1986a162eb969fa985cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling parking_lot_core v0.8.1
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling jsonrpc-core v16.0.0
[INFO] [stderr]    Compiling jsonrpc-pubsub v16.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.03s
[INFO] running `Command { std: "docker" "inspect" "a8ddf343d66a0dec807cecdfa2f04f8a52cbf19c116a1986a162eb969fa985cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ddf343d66a0dec807cecdfa2f04f8a52cbf19c116a1986a162eb969fa985cb", kill_on_drop: false }`
[INFO] [stdout] a8ddf343d66a0dec807cecdfa2f04f8a52cbf19c116a1986a162eb969fa985cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7781b08a373beecc869d721af433643722e66484f56104ce1d457c88e164922b
[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" "7781b08a373beecc869d721af433643722e66484f56104ce1d457c88e164922b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling jsonrpc-server-utils v16.0.0
[INFO] [stderr]    Compiling jsonrpc-tcp-server v16.0.0
[INFO] [stderr]    Compiling jsonrpc-pubsub v16.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.80s
[INFO] running `Command { std: "docker" "inspect" "7781b08a373beecc869d721af433643722e66484f56104ce1d457c88e164922b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7781b08a373beecc869d721af433643722e66484f56104ce1d457c88e164922b", kill_on_drop: false }`
[INFO] [stdout] 7781b08a373beecc869d721af433643722e66484f56104ce1d457c88e164922b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a070244088e083bae46822cfb6271c2d94ff7754442b98410546d22b0a8b335
[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" "5a070244088e083bae46822cfb6271c2d94ff7754442b98410546d22b0a8b335", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jsonrpc_pubsub-83762b688f334fdd
[INFO] [stdout] running 27 tests
[INFO] [stdout] test manager::tests::is_send_sync ... ok
[INFO] [stdout] test manager::tests::default_numeric_id_provider_works ... ok
[INFO] [stdout] test manager::tests::making_a_numeric_id_provider_works ... ok
[INFO] [stdout] test manager::tests::new_subscription_manager_works_with_numeric_id_provider ... ok
[INFO] [stdout] test manager::tests::new_subscription_manager_works_with_random_string_provider ... ok
[INFO] [stdout] test manager::tests::new_subscription_manager_defaults_to_random_string_provider ... ok
[INFO] [stdout] test subscription::tests::should_reject ... ok
[INFO] [stdout] test manager::tests::subscription_is_not_canceled_because_it_didnt_exist ... ok
[INFO] [stdout] test subscription::tests::should_assign_id ... ok
[INFO] [stdout] test subscription::tests::should_send_notification_to_the_transport ... ok
[INFO] [stdout] test subscription::tests::should_remove_subscription ... ok
[INFO] [stdout] test manager::tests::numeric_id_provider_with_id_works ... ok
[INFO] [stdout] test handler::tests::should_handle_subscription ... ok
[INFO] [stdout] test subscription::tests::should_subscribe ... ok
[INFO] [stdout] test types::tests::should_convert_between_number_value_and_subscription_id ... ok
[INFO] [stdout] test types::tests::should_convert_between_null_value_and_subscription_id ... ok
[INFO] [stdout] test subscription::tests::should_unregister_on_drop ... ok
[INFO] [stdout] test subscription::tests::should_unregister_in_case_of_collision ... ok
[INFO] [stdout] test manager::tests::random_string_provider_returns_id_with_correct_user_given_len ... ok
[INFO] [stdout] test manager::tests::random_string_provider_returns_id_with_correct_default_len ... ok
[INFO] [stdout] test types::tests::should_convert_from_u16_to_subscription_id ... ok
[INFO] [stdout] test types::tests::should_convert_from_u32_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 types::tests::should_convert_from_string_to_subscription_id ... ok
[INFO] [stdout] test types::tests::should_convert_between_string_value_and_subscription_id ... ok
[INFO] [stdout] test manager::tests::subscription_is_canceled_if_it_existed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[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" "5a070244088e083bae46822cfb6271c2d94ff7754442b98410546d22b0a8b335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a070244088e083bae46822cfb6271c2d94ff7754442b98410546d22b0a8b335", kill_on_drop: false }`
[INFO] [stdout] 5a070244088e083bae46822cfb6271c2d94ff7754442b98410546d22b0a8b335