[INFO] fetching crate zcash_extensions_api 0.0.0...
[INFO] testing zcash_extensions_api-0.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate zcash_extensions_api 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate zcash_extensions_api 0.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zcash_extensions_api 0.0.0
[INFO] finished tweaking crates.io crate zcash_extensions_api 0.0.0
[INFO] tweaked toml for crates.io crate zcash_extensions_api 0.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c72d18b214039cfe8062fe6a021db88d2cff8bc49af424b62c4dd3b9f631703
[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" "9c72d18b214039cfe8062fe6a021db88d2cff8bc49af424b62c4dd3b9f631703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c72d18b214039cfe8062fe6a021db88d2cff8bc49af424b62c4dd3b9f631703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c72d18b214039cfe8062fe6a021db88d2cff8bc49af424b62c4dd3b9f631703", kill_on_drop: false }`
[INFO] [stdout] 9c72d18b214039cfe8062fe6a021db88d2cff8bc49af424b62c4dd3b9f631703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "build" "--frozen" "--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] 0d6882cb5738f7e1b7ef7ef4a9102ec2b69261e38748ff9fc2955ea6d788d126
[INFO] running `Command { std: "docker" "start" "-a" "0d6882cb5738f7e1b7ef7ef4a9102ec2b69261e38748ff9fc2955ea6d788d126", kill_on_drop: false }`
[INFO] [stderr]    Compiling zcash_extensions_api v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "0d6882cb5738f7e1b7ef7ef4a9102ec2b69261e38748ff9fc2955ea6d788d126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d6882cb5738f7e1b7ef7ef4a9102ec2b69261e38748ff9fc2955ea6d788d126", kill_on_drop: false }`
[INFO] [stdout] 0d6882cb5738f7e1b7ef7ef4a9102ec2b69261e38748ff9fc2955ea6d788d126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbb792957bc7fce815962692a17bd897c3eb3a4fe0a6648c13077e750339349c
[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" "dbb792957bc7fce815962692a17bd897c3eb3a4fe0a6648c13077e750339349c", kill_on_drop: false }`
[INFO] [stderr]    Compiling zcash_extensions_api v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "dbb792957bc7fce815962692a17bd897c3eb3a4fe0a6648c13077e750339349c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb792957bc7fce815962692a17bd897c3eb3a4fe0a6648c13077e750339349c", kill_on_drop: false }`
[INFO] [stdout] dbb792957bc7fce815962692a17bd897c3eb3a4fe0a6648c13077e750339349c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bfd6f8c31c1d3be6a162c73b56b8a015f0b95a104b73d66f1ff622a164173dfc
[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" "bfd6f8c31c1d3be6a162c73b56b8a015f0b95a104b73d66f1ff622a164173dfc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zcash_extensions_api-a739c21ac6800ad1
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests zcash_extensions_api
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bfd6f8c31c1d3be6a162c73b56b8a015f0b95a104b73d66f1ff622a164173dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd6f8c31c1d3be6a162c73b56b8a015f0b95a104b73d66f1ff622a164173dfc", kill_on_drop: false }`
[INFO] [stdout] bfd6f8c31c1d3be6a162c73b56b8a015f0b95a104b73d66f1ff622a164173dfc