[INFO] fetching crate ckb-merkle-mountain-range 0.3.1...
[INFO] testing ckb-merkle-mountain-range-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ckb-merkle-mountain-range 0.3.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate ckb-merkle-mountain-range 0.3.1 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 ckb-merkle-mountain-range 0.3.1
[INFO] finished tweaking crates.io crate ckb-merkle-mountain-range 0.3.1
[INFO] tweaked toml for crates.io crate ckb-merkle-mountain-range 0.3.1 written to /workspace/builds/worker-11/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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 4c12555ab455b962691d08cfe99611a8c5c7355c694edc7d864d55a411dc0e52
[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" "4c12555ab455b962691d08cfe99611a8c5c7355c694edc7d864d55a411dc0e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c12555ab455b962691d08cfe99611a8c5c7355c694edc7d864d55a411dc0e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c12555ab455b962691d08cfe99611a8c5c7355c694edc7d864d55a411dc0e52", kill_on_drop: false }`
[INFO] [stdout] 4c12555ab455b962691d08cfe99611a8c5c7355c694edc7d864d55a411dc0e52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 0998c3fc163eeee125f4713efc601379bc579bac9f9788ba2defaebaeb4799ed
[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" "0998c3fc163eeee125f4713efc601379bc579bac9f9788ba2defaebaeb4799ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling ckb-merkle-mountain-range v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "0998c3fc163eeee125f4713efc601379bc579bac9f9788ba2defaebaeb4799ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0998c3fc163eeee125f4713efc601379bc579bac9f9788ba2defaebaeb4799ed", kill_on_drop: false }`
[INFO] [stdout] 0998c3fc163eeee125f4713efc601379bc579bac9f9788ba2defaebaeb4799ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 2bf8b00731d9426318bce0a7a1fdeb9c82f515d8893c60da03d547fc690e9f26
[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" "2bf8b00731d9426318bce0a7a1fdeb9c82f515d8893c60da03d547fc690e9f26", kill_on_drop: false }`
[INFO] [stderr]    Compiling faster-hex v0.3.1
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling ckb-merkle-mountain-range v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 45.98s
[INFO] running `Command { std: "docker" "inspect" "2bf8b00731d9426318bce0a7a1fdeb9c82f515d8893c60da03d547fc690e9f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf8b00731d9426318bce0a7a1fdeb9c82f515d8893c60da03d547fc690e9f26", kill_on_drop: false }`
[INFO] [stdout] 2bf8b00731d9426318bce0a7a1fdeb9c82f515d8893c60da03d547fc690e9f26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 31fb4f091100297d104550ba5898d162e4a7a4c5da868b3e0eda9283e368777f
[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" "31fb4f091100297d104550ba5898d162e4a7a4c5da868b3e0eda9283e368777f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ckb_merkle_mountain_range-96c529acd6aa4bbe
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test tests::test_helper::test_leaf_index_to_mmr_size ... ok
[INFO] [stdout] test tests::test_helper::test_pos_height_in_tree ... ok
[INFO] [stdout] test tests::test_helper::test_get_peaks ... ok
[INFO] [stdout] test tests::test_helper::test_leaf_index_to_pos ... ok
[INFO] [stdout] test tests::test_mmr::test_empty_mmr_root ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_1_peak ... ok
[INFO] [stdout] test tests::test_accumulate_headers::test_insert_header ... ok
[INFO] [stdout] test tests::test_mmr::test_gen_root_from_proof ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_1_elem ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_2_leaves_merkle_proof ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_2_peaks ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_2_elems ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_last_elem_proof ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_3_peaks ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_2_sibling_leaves_merkle_proof ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_3_leaves_merkle_proof ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_root ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_first_elem_proof ... ok
[INFO] [stdout] test tests::test_mmr::test_random_gen_root_with_new_leaf ... ok
[INFO] [stdout] test tests::test_helper::test_leaf_index_to_mmr_size_randomly ... ok
[INFO] [stdout] test tests::test_helper::test_leaf_index_to_pos_randomly ... ok
[INFO] [stdout] test tests::test_mmr::test_random_mmr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ckb-merkle-mountain-range
[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" "31fb4f091100297d104550ba5898d162e4a7a4c5da868b3e0eda9283e368777f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31fb4f091100297d104550ba5898d162e4a7a4c5da868b3e0eda9283e368777f", kill_on_drop: false }`
[INFO] [stdout] 31fb4f091100297d104550ba5898d162e4a7a4c5da868b3e0eda9283e368777f