[INFO] fetching crate merkletree-rs 0.0.3...
[INFO] testing merkletree-rs-0.0.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate merkletree-rs 0.0.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate merkletree-rs 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 merkletree-rs 0.0.3
[INFO] finished tweaking crates.io crate merkletree-rs 0.0.3
[INFO] tweaked toml for crates.io crate merkletree-rs 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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 199efc8c1c3b9c68faae38d2ced9240f6cc24164b5f7e74ba5b3ac617ac82e20
[INFO] running `Command { std: "docker" "start" "-a" "199efc8c1c3b9c68faae38d2ced9240f6cc24164b5f7e74ba5b3ac617ac82e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "199efc8c1c3b9c68faae38d2ced9240f6cc24164b5f7e74ba5b3ac617ac82e20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199efc8c1c3b9c68faae38d2ced9240f6cc24164b5f7e74ba5b3ac617ac82e20", kill_on_drop: false }`
[INFO] [stdout] 199efc8c1c3b9c68faae38d2ced9240f6cc24164b5f7e74ba5b3ac617ac82e20
[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] ad5e6a4cfb8a23b0befda8f9ef98e68cede848be7068e1bec2526e963ece0b89
[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" "ad5e6a4cfb8a23b0befda8f9ef98e68cede848be7068e1bec2526e963ece0b89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling rustc-hex v1.0.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling bitreader v0.3.2
[INFO] [stderr]    Compiling snap v0.2.5
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling rusty-leveldb v0.2.7
[INFO] [stderr]    Compiling merkletree-rs v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.11s
[INFO] running `Command { std: "docker" "inspect" "ad5e6a4cfb8a23b0befda8f9ef98e68cede848be7068e1bec2526e963ece0b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad5e6a4cfb8a23b0befda8f9ef98e68cede848be7068e1bec2526e963ece0b89", kill_on_drop: false }`
[INFO] [stdout] ad5e6a4cfb8a23b0befda8f9ef98e68cede848be7068e1bec2526e963ece0b89
[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] [stdout] 78fda83b93f0c96cd2deae63cb030942afdd3fb7fea0585352c8ed78609e6dd1
[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" "78fda83b93f0c96cd2deae63cb030942afdd3fb7fea0585352c8ed78609e6dd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkletree-rs v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "78fda83b93f0c96cd2deae63cb030942afdd3fb7fea0585352c8ed78609e6dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78fda83b93f0c96cd2deae63cb030942afdd3fb7fea0585352c8ed78609e6dd1", kill_on_drop: false }`
[INFO] [stdout] 78fda83b93f0c96cd2deae63cb030942afdd3fb7fea0585352c8ed78609e6dd1
[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] 9fb234f53ce10eecb1f68f30311bffc5e18c2d0240b6ae30fb4b51445634eadd
[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" "9fb234f53ce10eecb1f68f30311bffc5e18c2d0240b6ae30fb4b51445634eadd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/merkletree_rs-10e3e0fcd5d9f93b
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::test_harcoded_proofs_of_empty_leaf ... ok
[INFO] [stdout] test tests::test_hash_vec ... ok
[INFO] [stdout] test tests::test_tree_node ... ok
[INFO] [stdout] test utils::tests::test_hash_vec ... ok
[INFO] [stdout] test tests::test_new_mt ... ok
[INFO] [stdout] test tests::test_add ... ok
[INFO] [stdout] test tests::test_harcoded_proofs_of_existing_leaf ... ok
[INFO] [stdout] test tests::test_generate_proof_empty_leaf_and_verify_proof ... ok
[INFO] [stdout] test node::tests::test_hash_vec ... ok
[INFO] [stdout] test tests::test_add_2 ... ok
[INFO] [stdout] test tests::test_generate_proof_and_verify_proof ... ok
[INFO] [stdout] test tests::test_get_root_in_db ... ok
[INFO] [stdout] test tests::test_add_leafs_different_order ... ok
[INFO] [stdout] test tests::test_add_1000_leafs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merkletree-rs
[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" "9fb234f53ce10eecb1f68f30311bffc5e18c2d0240b6ae30fb4b51445634eadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb234f53ce10eecb1f68f30311bffc5e18c2d0240b6ae30fb4b51445634eadd", kill_on_drop: false }`
[INFO] [stdout] 9fb234f53ce10eecb1f68f30311bffc5e18c2d0240b6ae30fb4b51445634eadd