[INFO] fetching crate zkp-merkle-tree 0.2.0...
[INFO] testing zkp-merkle-tree-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate zkp-merkle-tree 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate zkp-merkle-tree 0.2.0 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 zkp-merkle-tree 0.2.0
[INFO] finished tweaking crates.io crate zkp-merkle-tree 0.2.0
[INFO] tweaked toml for crates.io crate zkp-merkle-tree 0.2.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e83d4750657bdcea595203644f5d91e01f89dd39fd4ff68ae1c96ed5c20fd455
[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" "e83d4750657bdcea595203644f5d91e01f89dd39fd4ff68ae1c96ed5c20fd455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e83d4750657bdcea595203644f5d91e01f89dd39fd4ff68ae1c96ed5c20fd455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83d4750657bdcea595203644f5d91e01f89dd39fd4ff68ae1c96ed5c20fd455", kill_on_drop: false }`
[INFO] [stdout] e83d4750657bdcea595203644f5d91e01f89dd39fd4ff68ae1c96ed5c20fd455
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4c69d25a592b7ac33858a2c5117138438c619c0721c2b967d6e37413137410d3
[INFO] running `Command { std: "docker" "start" "-a" "4c69d25a592b7ac33858a2c5117138438c619c0721c2b967d6e37413137410d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling zkp-error-utils v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling page_size v0.4.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling memadvise v0.1.2
[INFO] [stderr]    Compiling zkp-macros-lib v0.2.0
[INFO] [stderr]    Compiling zkp-mmap-vec v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling zkp-macros-impl v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling zkp-macros-decl v0.2.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling proptest-derive v0.1.2
[INFO] [stderr]    Compiling parity-scale-codec v1.3.5
[INFO] [stderr]    Compiling zkp-u256 v0.2.1
[INFO] [stderr]    Compiling zkp-primefield v0.2.0
[INFO] [stderr]    Compiling zkp-hash v0.2.0
[INFO] [stderr]    Compiling zkp-merkle-tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "4c69d25a592b7ac33858a2c5117138438c619c0721c2b967d6e37413137410d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c69d25a592b7ac33858a2c5117138438c619c0721c2b967d6e37413137410d3", kill_on_drop: false }`
[INFO] [stdout] 4c69d25a592b7ac33858a2c5117138438c619c0721c2b967d6e37413137410d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b6fbedfc4dad73211654f052291c40ef01d04b01fc80b7c630eefc2a6a1dc8c9
[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" "b6fbedfc4dad73211654f052291c40ef01d04b01fc80b7c630eefc2a6a1dc8c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling zkp-criterion-utils v0.2.0
[INFO] [stderr]    Compiling zkp-merkle-tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 48.84s
[INFO] running `Command { std: "docker" "inspect" "b6fbedfc4dad73211654f052291c40ef01d04b01fc80b7c630eefc2a6a1dc8c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6fbedfc4dad73211654f052291c40ef01d04b01fc80b7c630eefc2a6a1dc8c9", kill_on_drop: false }`
[INFO] [stdout] b6fbedfc4dad73211654f052291c40ef01d04b01fc80b7c630eefc2a6a1dc8c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] dd94d1dff25b9c9ab11e797a342f761e895d2889cba827f34413152962346385
[INFO] running `Command { std: "docker" "start" "-a" "dd94d1dff25b9c9ab11e797a342f761e895d2889cba827f34413152962346385", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zkp_merkle_tree-004172cb6f8ebce4
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tree::tests::test_empty_tree ... ok
[INFO] [stdout] test index::test::test_children ... ok
[INFO] [stdout] test tree::tests::test_explicit_values ... ok
[INFO] [stdout] test index::test::test_depth_offset_roundtrip ... ok
[INFO] [stdout] test tree::tests::test_merkle_tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zkp-merkle-tree
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/index.rs - index::Index (line 17) ... ignored
[INFO] [stdout] test src/index.rs - index::Index (line 23) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd94d1dff25b9c9ab11e797a342f761e895d2889cba827f34413152962346385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd94d1dff25b9c9ab11e797a342f761e895d2889cba827f34413152962346385", kill_on_drop: false }`
[INFO] [stdout] dd94d1dff25b9c9ab11e797a342f761e895d2889cba827f34413152962346385