[INFO] fetching crate synapse-rpc 0.1.20...
[INFO] testing synapse-rpc-0.1.20 against 1.49.0 for beta-1.50-1
[INFO] extracting crate synapse-rpc 0.1.20 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate synapse-rpc 0.1.20 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 synapse-rpc 0.1.20
[INFO] finished tweaking crates.io crate synapse-rpc 0.1.20
[INFO] tweaked toml for crates.io crate synapse-rpc 0.1.20 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f86634d5e2d901320fdf11725f6de1ba5a1f38bc17c98bac37ffa1249c57a441
[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" "f86634d5e2d901320fdf11725f6de1ba5a1f38bc17c98bac37ffa1249c57a441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f86634d5e2d901320fdf11725f6de1ba5a1f38bc17c98bac37ffa1249c57a441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f86634d5e2d901320fdf11725f6de1ba5a1f38bc17c98bac37ffa1249c57a441", kill_on_drop: false }`
[INFO] [stdout] f86634d5e2d901320fdf11725f6de1ba5a1f38bc17c98bac37ffa1249c57a441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ce4e8ed02e994b2495d1e84e46b9455804a26413001501edac4d5d8d48474aff
[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" "ce4e8ed02e994b2495d1e84e46b9455804a26413001501edac4d5d8d48474aff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling url_serde v0.2.0
[INFO] [stderr]    Compiling synapse-rpc v0.1.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.89s
[INFO] running `Command { std: "docker" "inspect" "ce4e8ed02e994b2495d1e84e46b9455804a26413001501edac4d5d8d48474aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce4e8ed02e994b2495d1e84e46b9455804a26413001501edac4d5d8d48474aff", kill_on_drop: false }`
[INFO] [stdout] ce4e8ed02e994b2495d1e84e46b9455804a26413001501edac4d5d8d48474aff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d4fbc5561e53803245c65d37d0999cf3064278fc7682eddd823233ea86d86766
[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" "d4fbc5561e53803245c65d37d0999cf3064278fc7682eddd823233ea86d86766", kill_on_drop: false }`
[INFO] [stderr]    Compiling synapse-rpc v0.1.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.26s
[INFO] running `Command { std: "docker" "inspect" "d4fbc5561e53803245c65d37d0999cf3064278fc7682eddd823233ea86d86766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fbc5561e53803245c65d37d0999cf3064278fc7682eddd823233ea86d86766", kill_on_drop: false }`
[INFO] [stdout] d4fbc5561e53803245c65d37d0999cf3064278fc7682eddd823233ea86d86766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] cd84b406d75c9c21c34281fde32125debb16a8d87687544339a46da8b8f4e93d
[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" "cd84b406d75c9c21c34281fde32125debb16a8d87687544339a46da8b8f4e93d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/synapse_rpc-b003464a2eaa9a77
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test message::tests::test_json_repr ... ok
[INFO] [stdout] test criterion::tests::test_match_some ... ok
[INFO] [stdout] test criterion::tests::test_match_none_not_in ... ok
[INFO] [stdout] test criterion::tests::test_match_none_in ... ok
[INFO] [stdout] test criterion::tests::test_match_none ... ok
[INFO] [stdout] test criterion::tests::test_match ... ok
[INFO] [stdout] test criterion::tests::test_match_bad_field ... ok
[INFO] [stdout] test criterion::tests::test_like ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests synapse_rpc
[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" "cd84b406d75c9c21c34281fde32125debb16a8d87687544339a46da8b8f4e93d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd84b406d75c9c21c34281fde32125debb16a8d87687544339a46da8b8f4e93d", kill_on_drop: false }`
[INFO] [stdout] cd84b406d75c9c21c34281fde32125debb16a8d87687544339a46da8b8f4e93d