[INFO] fetching crate jsonrpc-server-utils 16.0.0...
[INFO] testing jsonrpc-server-utils-16.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate jsonrpc-server-utils 16.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate jsonrpc-server-utils 16.0.0 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 jsonrpc-server-utils 16.0.0
[INFO] finished tweaking crates.io crate jsonrpc-server-utils 16.0.0
[INFO] tweaked toml for crates.io crate jsonrpc-server-utils 16.0.0 written to /workspace/builds/worker-3/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] 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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c0bcb298e0c6d4739bd8832cdcb16e829cd99041ebad0408f555ad080f49aac
[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" "1c0bcb298e0c6d4739bd8832cdcb16e829cd99041ebad0408f555ad080f49aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c0bcb298e0c6d4739bd8832cdcb16e829cd99041ebad0408f555ad080f49aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0bcb298e0c6d4739bd8832cdcb16e829cd99041ebad0408f555ad080f49aac", kill_on_drop: false }`
[INFO] [stdout] 1c0bcb298e0c6d4739bd8832cdcb16e829cd99041ebad0408f555ad080f49aac
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a20d682fe66df5ce7209a29b40a24f776067b4322cf70b8100299189fb0ea88
[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" "5a20d682fe66df5ce7209a29b40a24f776067b4322cf70b8100299189fb0ea88", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling globset v0.4.6
[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-server-utils v16.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.95s
[INFO] running `Command { std: "docker" "inspect" "5a20d682fe66df5ce7209a29b40a24f776067b4322cf70b8100299189fb0ea88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a20d682fe66df5ce7209a29b40a24f776067b4322cf70b8100299189fb0ea88", kill_on_drop: false }`
[INFO] [stdout] 5a20d682fe66df5ce7209a29b40a24f776067b4322cf70b8100299189fb0ea88
[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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb387597593ec44c39474200703ca2db38ec97cb6098de8cc15284602a9028ac
[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" "cb387597593ec44c39474200703ca2db38ec97cb6098de8cc15284602a9028ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonrpc-server-utils v16.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "cb387597593ec44c39474200703ca2db38ec97cb6098de8cc15284602a9028ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb387597593ec44c39474200703ca2db38ec97cb6098de8cc15284602a9028ac", kill_on_drop: false }`
[INFO] [stdout] cb387597593ec44c39474200703ca2db38ec97cb6098de8cc15284602a9028ac
[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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f09d95209bf7666abc9ea68889e8c6810ddabf8e9376a5f0b3a4cf20705cee6e
[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" "f09d95209bf7666abc9ea68889e8c6810ddabf8e9376a5f0b3a4cf20705cee6e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 31 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jsonrpc_server_utils-f2f09102eaa9bb5c
[INFO] [stdout] test cors::tests::should_return_no_allowed_headers_if_none_in_request ... ok
[INFO] [stdout] test cors::tests::should_return_invalid_if_header_not_allowed ... ok
[INFO] [stdout] test cors::tests::should_return_none_for_empty_list ... ok
[INFO] [stdout] test cors::tests::should_return_none_if_origin_is_not_defined ... ok
[INFO] [stdout] test cors::tests::should_return_none_when_there_are_no_cors_domains_and_no_origin ... ok
[INFO] [stdout] test cors::tests::should_return_not_required_if_any_header_allowed ... ok
[INFO] [stdout] test cors::tests::should_return_null_if_origin_is_null ... ok
[INFO] [stdout] test cors::tests::should_return_none_for_empty_origin ... ok
[INFO] [stdout] test cors::tests::should_return_valid_if_header_allowed ... ok
[INFO] [stdout] test hosts::tests::should_reject_if_header_not_on_the_list ... ok
[INFO] [stdout] test cors::tests::should_return_domain_when_all_are_allowed ... ok
[INFO] [stdout] test hosts::tests::should_reject_when_there_is_no_header ... ok
[INFO] [stdout] test hosts::tests::should_reject_when_validation_is_disabled ... ok
[INFO] [stdout] test reactor::tests::make_sure_rpc_event_loop_is_send_and_sync ... ok
[INFO] [stdout] test stream_codec::tests::fragmented_encode ... ok
[INFO] [stdout] test cors::tests::should_allow_origins_that_matches_hosts ... ok
[INFO] [stdout] test cors::tests::should_return_none_for_not_matching_origin ... ok
[INFO] [stdout] test stream_codec::tests::simple_encode ... ok
[INFO] [stdout] test stream_codec::tests::whitespace ... ok
[INFO] [stdout] test stream_codec::tests::simple_line_codec ... ok
[INFO] [stdout] test stream_codec::tests::escape ... ok
[INFO] [stdout] test stream_codec::tests::huge ... ok
[INFO] [stdout] test hosts::tests::should_accept_if_on_the_list_with_port ... ok
[INFO] [stdout] test hosts::tests::should_accept_if_on_the_list ... ok
[INFO] [stdout] test cors::tests::should_return_specific_origin_if_we_allow_any ... ok
[INFO] [stdout] test hosts::tests::should_support_wildcards ... ok
[INFO] [stdout] test cors::tests::should_not_allow_partially_matching_origin ... ok
[INFO] [stdout] test cors::tests::should_return_specific_origin_if_there_is_a_match ... ok
[INFO] [stdout] test hosts::tests::should_parse_host ... ok
[INFO] [stdout] test cors::tests::should_support_wildcards ... ok
[INFO] [stdout] test cors::tests::should_parse_origin ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jsonrpc-server-utils
[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" "f09d95209bf7666abc9ea68889e8c6810ddabf8e9376a5f0b3a4cf20705cee6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f09d95209bf7666abc9ea68889e8c6810ddabf8e9376a5f0b3a4cf20705cee6e", kill_on_drop: false }`
[INFO] [stdout] f09d95209bf7666abc9ea68889e8c6810ddabf8e9376a5f0b3a4cf20705cee6e