[INFO] fetching crate silkworm_rt 0.1.0-dev.0...
[INFO] testing silkworm_rt-0.1.0-dev.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate silkworm_rt 0.1.0-dev.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate silkworm_rt 0.1.0-dev.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate silkworm_rt 0.1.0-dev.0
[INFO] finished tweaking crates.io crate silkworm_rt 0.1.0-dev.0
[INFO] tweaked toml for crates.io crate silkworm_rt 0.1.0-dev.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55d3eee512d839345f54ed5d400f02ed71f46b011d5f3846afd75ee969b4d935
[INFO] running `"docker" "start" "-a" "55d3eee512d839345f54ed5d400f02ed71f46b011d5f3846afd75ee969b4d935"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling silkworm_rt v0.1.0-dev.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `"docker" "inspect" "55d3eee512d839345f54ed5d400f02ed71f46b011d5f3846afd75ee969b4d935"`
[INFO] running `"docker" "rm" "-f" "55d3eee512d839345f54ed5d400f02ed71f46b011d5f3846afd75ee969b4d935"`
[INFO] [stdout] 55d3eee512d839345f54ed5d400f02ed71f46b011d5f3846afd75ee969b4d935
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d8d255e67bf85bd1ddb2d3ae2d7b6c78621c5682badcf182dce3d5e8885dcfb1
[INFO] running `"docker" "start" "-a" "d8d255e67bf85bd1ddb2d3ae2d7b6c78621c5682badcf182dce3d5e8885dcfb1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling silkworm_rt v0.1.0-dev.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "d8d255e67bf85bd1ddb2d3ae2d7b6c78621c5682badcf182dce3d5e8885dcfb1"`
[INFO] running `"docker" "rm" "-f" "d8d255e67bf85bd1ddb2d3ae2d7b6c78621c5682badcf182dce3d5e8885dcfb1"`
[INFO] [stdout] d8d255e67bf85bd1ddb2d3ae2d7b6c78621c5682badcf182dce3d5e8885dcfb1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 75509ea41d86c74a2aef5748d6240af039a411275ed92075f914df0c2a2dc5d2
[INFO] running `"docker" "start" "-a" "75509ea41d86c74a2aef5748d6240af039a411275ed92075f914df0c2a2dc5d2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/silkworm_rt-cf4642676e274135
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests silkworm_rt
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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] running `"docker" "inspect" "75509ea41d86c74a2aef5748d6240af039a411275ed92075f914df0c2a2dc5d2"`
[INFO] running `"docker" "rm" "-f" "75509ea41d86c74a2aef5748d6240af039a411275ed92075f914df0c2a2dc5d2"`
[INFO] [stdout] 75509ea41d86c74a2aef5748d6240af039a411275ed92075f914df0c2a2dc5d2