[INFO] fetching crate json-rpc-types 1.0.0-beta.4...
[INFO] testing json-rpc-types-1.0.0-beta.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate json-rpc-types 1.0.0-beta.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate json-rpc-types 1.0.0-beta.4 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 json-rpc-types 1.0.0-beta.4
[INFO] finished tweaking crates.io crate json-rpc-types 1.0.0-beta.4
[INFO] tweaked toml for crates.io crate json-rpc-types 1.0.0-beta.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 061765e738acf8b2e52316467dec9d9ca0a701e2f1bce5738abc9608e96ad2f7
[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" "061765e738acf8b2e52316467dec9d9ca0a701e2f1bce5738abc9608e96ad2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "061765e738acf8b2e52316467dec9d9ca0a701e2f1bce5738abc9608e96ad2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061765e738acf8b2e52316467dec9d9ca0a701e2f1bce5738abc9608e96ad2f7", kill_on_drop: false }`
[INFO] [stdout] 061765e738acf8b2e52316467dec9d9ca0a701e2f1bce5738abc9608e96ad2f7
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 195f282806bad3be7f49962c7e2d4a0e26e0907eb23c35efff098ef83d788132
[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" "195f282806bad3be7f49962c7e2d4a0e26e0907eb23c35efff098ef83d788132", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling str-buf v1.0.5
[INFO] [stderr]    Compiling json-rpc-types v1.0.0-beta.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.99s
[INFO] running `Command { std: "docker" "inspect" "195f282806bad3be7f49962c7e2d4a0e26e0907eb23c35efff098ef83d788132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195f282806bad3be7f49962c7e2d4a0e26e0907eb23c35efff098ef83d788132", kill_on_drop: false }`
[INFO] [stdout] 195f282806bad3be7f49962c7e2d4a0e26e0907eb23c35efff098ef83d788132
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4837b5ceae9157047068ead8ad4a884d5323d109eda4599b11738e9710ce1149
[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" "4837b5ceae9157047068ead8ad4a884d5323d109eda4599b11738e9710ce1149", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling json-rpc-types v1.0.0-beta.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "4837b5ceae9157047068ead8ad4a884d5323d109eda4599b11738e9710ce1149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4837b5ceae9157047068ead8ad4a884d5323d109eda4599b11738e9710ce1149", kill_on_drop: false }`
[INFO] [stdout] 4837b5ceae9157047068ead8ad4a884d5323d109eda4599b11738e9710ce1149
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 90110b63b3c1b5ae382dd0f44a612528a38d704c98cb15069cb11d3389a68372
[INFO] running `Command { std: "docker" "start" "-a" "90110b63b3c1b5ae382dd0f44a612528a38d704c98cb15069cb11d3389a68372", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/json_rpc_types-1db806a9a41e0679
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/id-e30c375197d943ba
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test id_deserialization ... ok
[INFO] [stdout] test id_serialization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/request-bb75b097a59659ec
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/response-7d2e3ee3347ed4a7
[INFO] [stdout] test call_deserialize ... ok
[INFO] [stdout] test method_call_serialize ... ok
[INFO] [stdout] test notification_deserialize ... ok
[INFO] [stdout] test notification_serialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test success_failure_deserialize_without_id ... ok
[INFO] [stdout] test response_deserialize_should_fail_on_mixing_result_error ... ok
[INFO] [stdout] test success_failure_serialize ... ok
[INFO] [stdout] test success_result_deserialize ... ok
[INFO] [stdout] test success_result_serialize ... ok
[INFO] [stdout] test response_deserialize_should_fail_on_unknown_field ... ok
[INFO] [stdout] test success_failure_deserialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json-rpc-types
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "90110b63b3c1b5ae382dd0f44a612528a38d704c98cb15069cb11d3389a68372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90110b63b3c1b5ae382dd0f44a612528a38d704c98cb15069cb11d3389a68372", kill_on_drop: false }`
[INFO] [stdout] 90110b63b3c1b5ae382dd0f44a612528a38d704c98cb15069cb11d3389a68372