[INFO] fetching crate zdb 0.1.0...
[INFO] testing zdb-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate zdb 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate zdb 0.1.0 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 zdb 0.1.0
[INFO] finished tweaking crates.io crate zdb 0.1.0
[INFO] tweaked toml for crates.io crate zdb 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] [stdout] 663d4cfae89e6a142811cc660d740bb98a6d21e516e95e36b6134f2d32aaa2f8
[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" "663d4cfae89e6a142811cc660d740bb98a6d21e516e95e36b6134f2d32aaa2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "663d4cfae89e6a142811cc660d740bb98a6d21e516e95e36b6134f2d32aaa2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663d4cfae89e6a142811cc660d740bb98a6d21e516e95e36b6134f2d32aaa2f8", kill_on_drop: false }`
[INFO] [stdout] 663d4cfae89e6a142811cc660d740bb98a6d21e516e95e36b6134f2d32aaa2f8
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1233bcba93e8a5ba4e01f5d0bd6b6b020b5d721e02a88420ca510e9f9872f257
[INFO] running `Command { std: "docker" "start" "-a" "1233bcba93e8a5ba4e01f5d0bd6b6b020b5d721e02a88420ca510e9f9872f257", kill_on_drop: false }`
[INFO] [stderr]    Compiling zdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "1233bcba93e8a5ba4e01f5d0bd6b6b020b5d721e02a88420ca510e9f9872f257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1233bcba93e8a5ba4e01f5d0bd6b6b020b5d721e02a88420ca510e9f9872f257", kill_on_drop: false }`
[INFO] [stdout] 1233bcba93e8a5ba4e01f5d0bd6b6b020b5d721e02a88420ca510e9f9872f257
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f89b20f1729cfc8815a25de48600fb2dd5d3e643846a14052780495b5d7fe9d0
[INFO] running `Command { std: "docker" "start" "-a" "f89b20f1729cfc8815a25de48600fb2dd5d3e643846a14052780495b5d7fe9d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling zdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "f89b20f1729cfc8815a25de48600fb2dd5d3e643846a14052780495b5d7fe9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89b20f1729cfc8815a25de48600fb2dd5d3e643846a14052780495b5d7fe9d0", kill_on_drop: false }`
[INFO] [stdout] f89b20f1729cfc8815a25de48600fb2dd5d3e643846a14052780495b5d7fe9d0
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa831259c6fcb4647b7b1a906a46a18d6af35b059adba2c27ec43bc9286081af
[INFO] running `Command { std: "docker" "start" "-a" "fa831259c6fcb4647b7b1a906a46a18d6af35b059adba2c27ec43bc9286081af", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zdb-dee2efa35f17b338
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zdb
[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] [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" "fa831259c6fcb4647b7b1a906a46a18d6af35b059adba2c27ec43bc9286081af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa831259c6fcb4647b7b1a906a46a18d6af35b059adba2c27ec43bc9286081af", kill_on_drop: false }`
[INFO] [stdout] fa831259c6fcb4647b7b1a906a46a18d6af35b059adba2c27ec43bc9286081af