[INFO] crate silkworm_rt 0.1.0-dev.0 is already in cache
[INFO] testing silkworm_rt-0.1.0-dev.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate silkworm_rt 0.1.0-dev.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate silkworm_rt 0.1.0-dev.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] b793af02f77474954da08d41f161bea898185c7af2111cf11eaede2b14294245
[INFO] running `Command { std: "docker" "start" "-a" "b793af02f77474954da08d41f161bea898185c7af2111cf11eaede2b14294245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b793af02f77474954da08d41f161bea898185c7af2111cf11eaede2b14294245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b793af02f77474954da08d41f161bea898185c7af2111cf11eaede2b14294245", kill_on_drop: false }`
[INFO] [stdout] b793af02f77474954da08d41f161bea898185c7af2111cf11eaede2b14294245
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 127c7033c8a840941d3bb74ec2eb5be1670d94397f0373a27cc2f8550ab0b770
[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" "127c7033c8a840941d3bb74ec2eb5be1670d94397f0373a27cc2f8550ab0b770", kill_on_drop: false }`
[INFO] [stderr]    Compiling silkworm_rt v0.1.0-dev.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "127c7033c8a840941d3bb74ec2eb5be1670d94397f0373a27cc2f8550ab0b770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127c7033c8a840941d3bb74ec2eb5be1670d94397f0373a27cc2f8550ab0b770", kill_on_drop: false }`
[INFO] [stdout] 127c7033c8a840941d3bb74ec2eb5be1670d94397f0373a27cc2f8550ab0b770
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", 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] efb338bf463f8b33b2698022dab770c563b7322253310d57b796c8cca94866f0
[INFO] running `Command { std: "docker" "start" "-a" "efb338bf463f8b33b2698022dab770c563b7322253310d57b796c8cca94866f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling silkworm_rt v0.1.0-dev.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "efb338bf463f8b33b2698022dab770c563b7322253310d57b796c8cca94866f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efb338bf463f8b33b2698022dab770c563b7322253310d57b796c8cca94866f0", kill_on_drop: false }`
[INFO] [stdout] efb338bf463f8b33b2698022dab770c563b7322253310d57b796c8cca94866f0
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", 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] 3103a521a126c76d32e8281df3d16e4ee15f93a1330c542d21b47af6cca3b8ae
[INFO] running `Command { std: "docker" "start" "-a" "3103a521a126c76d32e8281df3d16e4ee15f93a1330c542d21b47af6cca3b8ae", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/silkworm_rt-d3913cb46cebced6
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests silkworm_rt
[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" "3103a521a126c76d32e8281df3d16e4ee15f93a1330c542d21b47af6cca3b8ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3103a521a126c76d32e8281df3d16e4ee15f93a1330c542d21b47af6cca3b8ae", kill_on_drop: false }`
[INFO] [stdout] 3103a521a126c76d32e8281df3d16e4ee15f93a1330c542d21b47af6cca3b8ae