[INFO] fetching crate ckb-merkle-mountain-range 0.3.2...
[INFO] testing ckb-merkle-mountain-range-0.3.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ckb-merkle-mountain-range 0.3.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ckb-merkle-mountain-range 0.3.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-merkle-mountain-range 0.3.2
[INFO] finished tweaking crates.io crate ckb-merkle-mountain-range 0.3.2
[INFO] tweaked toml for crates.io crate ckb-merkle-mountain-range 0.3.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9b441afad82491437bfa84d61135a80853e1578bb4b2ac1f232f4a6b0363ffa
[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" "b9b441afad82491437bfa84d61135a80853e1578bb4b2ac1f232f4a6b0363ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9b441afad82491437bfa84d61135a80853e1578bb4b2ac1f232f4a6b0363ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b441afad82491437bfa84d61135a80853e1578bb4b2ac1f232f4a6b0363ffa", kill_on_drop: false }`
[INFO] [stdout] b9b441afad82491437bfa84d61135a80853e1578bb4b2ac1f232f4a6b0363ffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 005a71161b84dd3f684b09db9dd29287ea17e210948f844d1ee6067d843e3c2f
[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" "005a71161b84dd3f684b09db9dd29287ea17e210948f844d1ee6067d843e3c2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ckb-merkle-mountain-range v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "005a71161b84dd3f684b09db9dd29287ea17e210948f844d1ee6067d843e3c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005a71161b84dd3f684b09db9dd29287ea17e210948f844d1ee6067d843e3c2f", kill_on_drop: false }`
[INFO] [stdout] 005a71161b84dd3f684b09db9dd29287ea17e210948f844d1ee6067d843e3c2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9b44ff7149dce4f11bff35167c69787d17b874220cee997ab52f732e21a4020
[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" "c9b44ff7149dce4f11bff35167c69787d17b874220cee997ab52f732e21a4020", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling faster-hex v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling ckb-merkle-mountain-range v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.25s
[INFO] running `Command { std: "docker" "inspect" "c9b44ff7149dce4f11bff35167c69787d17b874220cee997ab52f732e21a4020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b44ff7149dce4f11bff35167c69787d17b874220cee997ab52f732e21a4020", kill_on_drop: false }`
[INFO] [stdout] c9b44ff7149dce4f11bff35167c69787d17b874220cee997ab52f732e21a4020
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96aaa45c65d7bd8cf53b3baf644b5ac9db6c06b5f2fd67c1f6a9a505613910c0
[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" "96aaa45c65d7bd8cf53b3baf644b5ac9db6c06b5f2fd67c1f6a9a505613910c0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] running 22 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ckb_merkle_mountain_range-610001be0ffe9f69)
[INFO] [stdout] test tests::test_accumulate_headers::test_insert_header ... ok
[INFO] [stdout] test tests::test_mmr::test_empty_mmr_root ... ok
[INFO] [stdout] test tests::test_helper::test_leaf_index_to_mmr_size ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_2_peaks ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_2_sibling_leaves_merkle_proof ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_first_elem_proof ... 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_root ... ok
[INFO] [stdout] test tests::test_helper::test_leaf_index_to_pos ... ok
[INFO] [stdout] test tests::test_helper::test_pos_height_in_tree ... 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_1_peak ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_2_elems ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_2_leaves_merkle_proof ... ok
[INFO] [stdout] test tests::test_helper::test_get_peaks ... ok
[INFO] [stdout] test tests::test_mmr::test_mmr_3_leaves_merkle_proof ... ok
[INFO] [stdout] test tests::test_helper::test_leaf_index_to_pos_randomly ... ok
[INFO] [stdout] test tests::test_helper::test_leaf_index_to_mmr_size_randomly ... ok
[INFO] [stdout] test tests::test_mmr::test_random_gen_root_with_new_leaf ... 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; finished in 2.14s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "96aaa45c65d7bd8cf53b3baf644b5ac9db6c06b5f2fd67c1f6a9a505613910c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96aaa45c65d7bd8cf53b3baf644b5ac9db6c06b5f2fd67c1f6a9a505613910c0", kill_on_drop: false }`
[INFO] [stdout] 96aaa45c65d7bd8cf53b3baf644b5ac9db6c06b5f2fd67c1f6a9a505613910c0