[INFO] fetching crate kraken_rs 0.2.0...
[INFO] testing kraken_rs-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate kraken_rs 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate kraken_rs 0.2.0 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 kraken_rs 0.2.0
[INFO] finished tweaking crates.io crate kraken_rs 0.2.0
[INFO] tweaked toml for crates.io crate kraken_rs 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate kraken_rs 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 664c7c3af356f0f5c6a1028ba69fddcad745a9cd750821ddce59754a3fe31395
[INFO] running `Command { std: "docker" "start" "-a" "664c7c3af356f0f5c6a1028ba69fddcad745a9cd750821ddce59754a3fe31395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "664c7c3af356f0f5c6a1028ba69fddcad745a9cd750821ddce59754a3fe31395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "664c7c3af356f0f5c6a1028ba69fddcad745a9cd750821ddce59754a3fe31395", kill_on_drop: false }`
[INFO] [stdout] 664c7c3af356f0f5c6a1028ba69fddcad745a9cd750821ddce59754a3fe31395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3a64a8e42cce2700a7e17a297fc099de395499191580a130f2233f4924ef5ad2
[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" "3a64a8e42cce2700a7e17a297fc099de395499191580a130f2233f4924ef5ad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling hidapi v1.2.1
[INFO] [stderr]    Compiling kraken_rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.43s
[INFO] running `Command { std: "docker" "inspect" "3a64a8e42cce2700a7e17a297fc099de395499191580a130f2233f4924ef5ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a64a8e42cce2700a7e17a297fc099de395499191580a130f2233f4924ef5ad2", kill_on_drop: false }`
[INFO] [stdout] 3a64a8e42cce2700a7e17a297fc099de395499191580a130f2233f4924ef5ad2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9709c6cf87eb5961d3f8691025a7665998327cb40e79c246b6953c9baf0f22c7
[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" "9709c6cf87eb5961d3f8691025a7665998327cb40e79c246b6953c9baf0f22c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling kraken_rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "9709c6cf87eb5961d3f8691025a7665998327cb40e79c246b6953c9baf0f22c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9709c6cf87eb5961d3f8691025a7665998327cb40e79c246b6953c9baf0f22c7", kill_on_drop: false }`
[INFO] [stdout] 9709c6cf87eb5961d3f8691025a7665998327cb40e79c246b6953c9baf0f22c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b7b1420a56cdb0b570890b44a3849c48a60fd1e3c52970adf93c57044bcd6f36
[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" "b7b1420a56cdb0b570890b44a3849c48a60fd1e3c52970adf93c57044bcd6f36", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kraken_rs-225ec47122247f79
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kraken-9c906abb878c38bc
[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] [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]    Doc-tests kraken_rs
[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" "b7b1420a56cdb0b570890b44a3849c48a60fd1e3c52970adf93c57044bcd6f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7b1420a56cdb0b570890b44a3849c48a60fd1e3c52970adf93c57044bcd6f36", kill_on_drop: false }`
[INFO] [stdout] b7b1420a56cdb0b570890b44a3849c48a60fd1e3c52970adf93c57044bcd6f36