[INFO] fetching crate rmp-futures 0.1.1...
[INFO] testing rmp-futures-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rmp-futures 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rmp-futures 0.1.1 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 rmp-futures 0.1.1
[INFO] finished tweaking crates.io crate rmp-futures 0.1.1
[INFO] tweaked toml for crates.io crate rmp-futures 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rmp-futures 0.1.1 already has a lockfile, it will not be regenerated
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5a73377c024b4954d856e2c6e982490189ad0d86eaeff3de8e90b4a1c4deeb81
[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" "5a73377c024b4954d856e2c6e982490189ad0d86eaeff3de8e90b4a1c4deeb81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a73377c024b4954d856e2c6e982490189ad0d86eaeff3de8e90b4a1c4deeb81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a73377c024b4954d856e2c6e982490189ad0d86eaeff3de8e90b4a1c4deeb81", kill_on_drop: false }`
[INFO] [stdout] 5a73377c024b4954d856e2c6e982490189ad0d86eaeff3de8e90b4a1c4deeb81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 2c3f2068e9b3cb2f1fbb613e1e423289ce1e129754bbd3471ce1b793fa372034
[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" "2c3f2068e9b3cb2f1fbb613e1e423289ce1e129754bbd3471ce1b793fa372034", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rmpv v0.4.4
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling rmp-futures v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.10s
[INFO] running `Command { std: "docker" "inspect" "2c3f2068e9b3cb2f1fbb613e1e423289ce1e129754bbd3471ce1b793fa372034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c3f2068e9b3cb2f1fbb613e1e423289ce1e129754bbd3471ce1b793fa372034", kill_on_drop: false }`
[INFO] [stdout] 2c3f2068e9b3cb2f1fbb613e1e423289ce1e129754bbd3471ce1b793fa372034
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 794b1c205467f5e464a3778e0bbc9566713d8cede3b2306af2e99d625a4630c4
[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" "794b1c205467f5e464a3778e0bbc9566713d8cede3b2306af2e99d625a4630c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling async-std v1.5.0
[INFO] [stderr]    Compiling rmp-futures v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.04s
[INFO] running `Command { std: "docker" "inspect" "794b1c205467f5e464a3778e0bbc9566713d8cede3b2306af2e99d625a4630c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794b1c205467f5e464a3778e0bbc9566713d8cede3b2306af2e99d625a4630c4", kill_on_drop: false }`
[INFO] [stdout] 794b1c205467f5e464a3778e0bbc9566713d8cede3b2306af2e99d625a4630c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 09f8884b74df8fca20de278dc60148b79544ca4f91d18027de7c99d118d67fad
[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" "09f8884b74df8fca20de278dc60148b79544ca4f91d18027de7c99d118d67fad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rmp_futures-a3d2b615b37fda83
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test decode::test::bin ... ok
[INFO] [stdout] test decode::test::ext ... ok
[INFO] [stdout] test decode::test::array_int ... ok
[INFO] [stdout] test decode::test::bool ... ok
[INFO] [stdout] test decode::test::f64 ... ok
[INFO] [stdout] test decode::test::f32 ... ok
[INFO] [stdout] test encode::efficient_i16 ... ok
[INFO] [stdout] test decode::test::map_int ... ok
[INFO] [stdout] test encode::efficient_i32 ... ok
[INFO] [stdout] test encode::efficient_i64 ... ok
[INFO] [stdout] test encode::efficient_u8 ... ok
[INFO] [stdout] test encode::efficient_u64 ... ok
[INFO] [stdout] test encode::efficient_u32 ... ok
[INFO] [stdout] test encode::efficient_u16 ... ok
[INFO] [stdout] test encode::efficient_i8 ... ok
[INFO] [stdout] test decode::test::string ... ok
[INFO] [stdout] test encode::tests::array ... ok
[INFO] [stdout] test encode::tests::map_len ... ok
[INFO] [stdout] test encode::tests::float ... ok
[INFO] [stdout] test encode::tests::array_len ... ok
[INFO] [stdout] test encode::tests::map ... ok
[INFO] [stdout] test encode::tests::string ... ok
[INFO] [stdout] test encode::tests::bool ... ok
[INFO] [stdout] test encode::tests::ext ... ok
[INFO] [stdout] test encode::tests::bin ... ok
[INFO] [stdout] test encode::tests::efficient_uint ... ok
[INFO] [stdout] test encode::tests::efficient_int ... ok
[INFO] [stdout] test encode::tests::nil ... ok
[INFO] [stdout] test rpc::encode::write_err_response ... ok
[INFO] [stdout] test rpc::encode::write_ok_response ... ok
[INFO] [stdout] test rpc::encode::write_request_response ... ok
[INFO] [stdout] test rpc::decode::test::decode_request ... ok
[INFO] [stdout] test rpc::shared_writer::shared_sink ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rmp-futures
[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" "09f8884b74df8fca20de278dc60148b79544ca4f91d18027de7c99d118d67fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f8884b74df8fca20de278dc60148b79544ca4f91d18027de7c99d118d67fad", kill_on_drop: false }`
[INFO] [stdout] 09f8884b74df8fca20de278dc60148b79544ca4f91d18027de7c99d118d67fad