[INFO] fetching crate merkle-log 0.0.3...
[INFO] testing merkle-log-0.0.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate merkle-log 0.0.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate merkle-log 0.0.3 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 merkle-log 0.0.3
[INFO] finished tweaking crates.io crate merkle-log 0.0.3
[INFO] tweaked toml for crates.io crate merkle-log 0.0.3 written to /workspace/builds/worker-5/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-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" "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] c54842a409685145c5c8e231d56a3b10e8c84d48949ca18d8b63fee7df01dcba
[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" "c54842a409685145c5c8e231d56a3b10e8c84d48949ca18d8b63fee7df01dcba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c54842a409685145c5c8e231d56a3b10e8c84d48949ca18d8b63fee7df01dcba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54842a409685145c5c8e231d56a3b10e8c84d48949ca18d8b63fee7df01dcba", kill_on_drop: false }`
[INFO] [stdout] c54842a409685145c5c8e231d56a3b10e8c84d48949ca18d8b63fee7df01dcba
[INFO] running `Command { std: "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" "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] [stdout] b2d7d3c47d486762b2a2974ceb82f683575894df7a45f50c2609a8822f04e99b
[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" "b2d7d3c47d486762b2a2974ceb82f683575894df7a45f50c2609a8822f04e99b", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling merkle-log v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.90s
[INFO] running `Command { std: "docker" "inspect" "b2d7d3c47d486762b2a2974ceb82f683575894df7a45f50c2609a8822f04e99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d7d3c47d486762b2a2974ceb82f683575894df7a45f50c2609a8822f04e99b", kill_on_drop: false }`
[INFO] [stdout] b2d7d3c47d486762b2a2974ceb82f683575894df7a45f50c2609a8822f04e99b
[INFO] running `Command { std: "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" "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] 58f88b3ac10614c501fda04f8f1845e1693e186d805bc281f91e2f197e086b8d
[INFO] running `Command { std: "docker" "start" "-a" "58f88b3ac10614c501fda04f8f1845e1693e186d805bc281f91e2f197e086b8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling sha2 v0.9.2
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling merkle-log v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.61s
[INFO] running `Command { std: "docker" "inspect" "58f88b3ac10614c501fda04f8f1845e1693e186d805bc281f91e2f197e086b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f88b3ac10614c501fda04f8f1845e1693e186d805bc281f91e2f197e086b8d", kill_on_drop: false }`
[INFO] [stdout] 58f88b3ac10614c501fda04f8f1845e1693e186d805bc281f91e2f197e086b8d
[INFO] running `Command { std: "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" "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] [stdout] cb4104f0e4f8bf64376e2a74212f63e02e18fbf818391d432242417b9f0af877
[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" "cb4104f0e4f8bf64376e2a74212f63e02e18fbf818391d432242417b9f0af877", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/merkle_log-e54171496af882db
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::creation ... ok
[INFO] [stdout] test tests::prove_and_verify_prefix ... ok
[INFO] [stderr]    Doc-tests merkle-log
[INFO] [stdout] test tests::prove_and_verify ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/util.rs - util::TreeID::new (line 86) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::sibling (line 166) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::subroots (line 289) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::right (line 221) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::uncle (line 182) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::spans (line 267) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::left (line 199) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::depth (line 128) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::index (line 107) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::span (line 243) ... ok
[INFO] [stdout] test src/util.rs - util::TreeID::parent (line 145) ... ok
[INFO] [stdout] test src/lib.rs - MerkleLog (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb4104f0e4f8bf64376e2a74212f63e02e18fbf818391d432242417b9f0af877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4104f0e4f8bf64376e2a74212f63e02e18fbf818391d432242417b9f0af877", kill_on_drop: false }`
[INFO] [stdout] cb4104f0e4f8bf64376e2a74212f63e02e18fbf818391d432242417b9f0af877