[INFO] crate silkworm_features 0.1.0-dev.1 is already in cache
[INFO] testing silkworm_features-0.1.0-dev.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate silkworm_features 0.1.0-dev.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate silkworm_features 0.1.0-dev.1 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_features 0.1.0-dev.1
[INFO] finished tweaking crates.io crate silkworm_features 0.1.0-dev.1
[INFO] tweaked toml for crates.io crate silkworm_features 0.1.0-dev.1 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1a881e3b238215c8b27720c25193ba140686484c0e9fbb4e166dcdff19857ac0
[INFO] running `Command { std: "docker" "start" "-a" "1a881e3b238215c8b27720c25193ba140686484c0e9fbb4e166dcdff19857ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a881e3b238215c8b27720c25193ba140686484c0e9fbb4e166dcdff19857ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a881e3b238215c8b27720c25193ba140686484c0e9fbb4e166dcdff19857ac0", kill_on_drop: false }`
[INFO] [stdout] 1a881e3b238215c8b27720c25193ba140686484c0e9fbb4e166dcdff19857ac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4aeec428dfee5fc41bce2063235c351c9c233b8cbef98bd7ec4cfa1cd9e8342d
[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" "4aeec428dfee5fc41bce2063235c351c9c233b8cbef98bd7ec4cfa1cd9e8342d", kill_on_drop: false }`
[INFO] [stderr]    Compiling silkworm_features v0.1.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "4aeec428dfee5fc41bce2063235c351c9c233b8cbef98bd7ec4cfa1cd9e8342d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aeec428dfee5fc41bce2063235c351c9c233b8cbef98bd7ec4cfa1cd9e8342d", kill_on_drop: false }`
[INFO] [stdout] 4aeec428dfee5fc41bce2063235c351c9c233b8cbef98bd7ec4cfa1cd9e8342d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] a4cc1a905749bdf101e143d7a4c95cbb5ff7d7968918665c70d168c9f20eb6f0
[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" "a4cc1a905749bdf101e143d7a4c95cbb5ff7d7968918665c70d168c9f20eb6f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling silkworm_features v0.1.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "a4cc1a905749bdf101e143d7a4c95cbb5ff7d7968918665c70d168c9f20eb6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4cc1a905749bdf101e143d7a4c95cbb5ff7d7968918665c70d168c9f20eb6f0", kill_on_drop: false }`
[INFO] [stdout] a4cc1a905749bdf101e143d7a4c95cbb5ff7d7968918665c70d168c9f20eb6f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c13824bb4e13e74fcf2e2e4db62d0d624858345f1e9db48d36238c96df768d8b
[INFO] running `Command { std: "docker" "start" "-a" "c13824bb4e13e74fcf2e2e4db62d0d624858345f1e9db48d36238c96df768d8b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/silkworm_features-ad6ce4c372c4e663
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests silkworm_features
[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] running `Command { std: "docker" "inspect" "c13824bb4e13e74fcf2e2e4db62d0d624858345f1e9db48d36238c96df768d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13824bb4e13e74fcf2e2e4db62d0d624858345f1e9db48d36238c96df768d8b", kill_on_drop: false }`
[INFO] [stdout] c13824bb4e13e74fcf2e2e4db62d0d624858345f1e9db48d36238c96df768d8b