[INFO] fetching crate merkletree 0.21.0...
[INFO] testing merkletree-0.21.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate merkletree 0.21.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate merkletree 0.21.0 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] removed /workspace/builds/worker-76/source/rust-toolchain
[INFO] started tweaking crates.io crate merkletree 0.21.0
[INFO] finished tweaking crates.io crate merkletree 0.21.0
[INFO] tweaked toml for crates.io crate merkletree 0.21.0 written to /workspace/builds/worker-76/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded positioned-io v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] f964cbd9838f53b385241f893bf29ed6b509516f51f3703c6d1e87e0dfbdb084
[INFO] running `Command { std: "docker" "start" "-a" "f964cbd9838f53b385241f893bf29ed6b509516f51f3703c6d1e87e0dfbdb084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f964cbd9838f53b385241f893bf29ed6b509516f51f3703c6d1e87e0dfbdb084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f964cbd9838f53b385241f893bf29ed6b509516f51f3703c6d1e87e0dfbdb084", kill_on_drop: false }`
[INFO] [stdout] f964cbd9838f53b385241f893bf29ed6b509516f51f3703c6d1e87e0dfbdb084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 9532221672bd6c9d0495b80a80967e34e7e512f35af687d1163d1fb19a5b6cd2
[INFO] running `Command { std: "docker" "start" "-a" "9532221672bd6c9d0495b80a80967e34e7e512f35af687d1163d1fb19a5b6cd2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling positioned-io v0.2.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling merkletree v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.51s
[INFO] running `Command { std: "docker" "inspect" "9532221672bd6c9d0495b80a80967e34e7e512f35af687d1163d1fb19a5b6cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9532221672bd6c9d0495b80a80967e34e7e512f35af687d1163d1fb19a5b6cd2", kill_on_drop: false }`
[INFO] [stdout] 9532221672bd6c9d0495b80a80967e34e7e512f35af687d1163d1fb19a5b6cd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 97d3311583c1e810cc1a5ad98d382f400b783fb5648bad590474d3f2ba314a77
[INFO] running `Command { std: "docker" "start" "-a" "97d3311583c1e810cc1a5ad98d382f400b783fb5648bad590474d3f2ba314a77", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling merkletree v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.36s
[INFO] running `Command { std: "docker" "inspect" "97d3311583c1e810cc1a5ad98d382f400b783fb5648bad590474d3f2ba314a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d3311583c1e810cc1a5ad98d382f400b783fb5648bad590474d3f2ba314a77", kill_on_drop: false }`
[INFO] [stdout] 97d3311583c1e810cc1a5ad98d382f400b783fb5648bad590474d3f2ba314a77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] d249143bde27d6582f6a7b3487604ec8485594bd6de0239abc4077665b898c0e
[INFO] running `Command { std: "docker" "start" "-a" "d249143bde27d6582f6a7b3487604ec8485594bd6de0239abc4077665b898c0e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/merkletree-92911b16e2801f22)
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[INFO] [stdout] test merkle::test_get_merkle_tree_methods ... ok
[INFO] [stdout] test test_xor128::test_large_octo_with_partial_cache_full ... ignored
[INFO] [stdout] test test_xor128::test_large_quad_with_partial_cache_full ... ignored
[INFO] [stdout] test test_xor128::test_xlarge_octo_with_disk_store ... ignored
[INFO] [stdout] test test_xor128::test_xlarge_octo_with_partial_cache ... ignored
[INFO] [stdout] test test_xor128::test_xlarge_quad_with_disk_store ... ignored
[INFO] [stdout] test test_xor128::test_hasher_light ... ok
[INFO] [stdout] test test_xor128::test_parallel_iter_disk_1 ... ok
[INFO] [stdout] test test_xor128::test_vec_from_slice ... ok
[INFO] [stdout] test test_xor128::test_compound_quad_tree_from_slices ... ok
[INFO] [stdout] test test_xor128::test_from_iter ... ok
[INFO] [stdout] test test_xor128::test_simple_tree ... ok
[INFO] [stdout] test test_xor128::test_quad_from_slice ... ok
[INFO] [stdout] test test_sip::test_simple_tree ... ok
[INFO] [stdout] test test_cmh::test_custom_merkle_hasher ... ok
[INFO] [stdout] test test_xor128::test_parallel_iter_disk_2 ... ok
[INFO] [stdout] test test_xor128::test_read_into ... ok
[INFO] [stdout] test test_xor128::test_compound_octree_from_slices ... ok
[INFO] [stdout] test test_xor128::test_compound_quad_trees_from_slices ... ok
[INFO] [stdout] test test_xor128::test_large_tree ... ok
[INFO] [stdout] test test_xor128::test_compound_octrees_from_slices ... ok
[INFO] [stdout] test test_xor128::test_quad_from_iter ... ok
[INFO] [stdout] test test_xor128::test_compound_quad_trees_from_store_configs ... ok
[INFO] [stdout] test test_xor128::test_compound_octrees_from_store_configs ... ok
[INFO] [stdout] test proof::test_compound_single_octree_broken_proofs ... ok
[INFO] [stdout] test proof::test_proofs ... ok
[INFO] [stdout] test proof::test_ccompound_single_quad_broken_proofs ... ok
[INFO] [stdout] test test_xor128::test_small_quad_with_partial_cache ... ok
[INFO] [stdout] test proof::test_compound_quad_broken_proofs ... ok
[INFO] [stdout] test test_xor128::test_large_octo_with_disk_store ... ok
[INFO] [stdout] test test_xor128::test_level_cache_tree_v1 ... ok
[INFO] [stdout] test test_xor128::test_compound_levelcache_quad_trees_from_store_configs ... ok
[INFO] [stdout] test test_xor128::test_large_quad_with_partial_cache ... ok
[INFO] [stdout] test proof::test_compound_octree_broken_proofs ... ok
[INFO] [stdout] test proof::test_ccompound_single_octree_broken_proofs ... ok
[INFO] [stdout] test test_xor128::test_level_cache_tree_v2 ... ok
[INFO] [stdout] test proof::test_ccompound_quad_broken_proofs ... ok
[INFO] [stdout] test test_xor128::test_octo_from_iter ... ok
[INFO] [stdout] test test_xor128::test_large_tree_disk ... ok
[INFO] [stdout] test test_xor128::test_large_octo_with_partial_cache ... ok
[INFO] [stdout] test test_xor128::test_levelcache_direct_build_quad ... ok
[INFO] [stdout] test proof::test_ccompound_octree_broken_proofs has been running for over 60 seconds
[INFO] [stdout] test test_xor128::test_compound_levelcache_octrees_trees_from_store_configs has been running for over 60 seconds
[INFO] [stdout] test test_xor128::test_large_octo_from_iter has been running for over 60 seconds
[INFO] [stdout] test test_xor128::test_levelcache_direct_build_octo has been running for over 60 seconds
[INFO] [stdout] test test_xor128::test_mmap_tree has been running for over 60 seconds
[INFO] [stdout] test test_xor128::test_various_trees_with_partial_cache_v2_only has been running for over 60 seconds
[INFO] [stdout] test test_xor128::test_large_octo_from_iter ... ok
[INFO] [stdout] test proof::test_ccompound_octree_broken_proofs ... ok
[INFO] [stdout] test test_xor128::test_compound_levelcache_octrees_trees_from_store_configs ... ok
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "d249143bde27d6582f6a7b3487604ec8485594bd6de0239abc4077665b898c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d249143bde27d6582f6a7b3487604ec8485594bd6de0239abc4077665b898c0e", kill_on_drop: false }`
[INFO] [stdout] d249143bde27d6582f6a7b3487604ec8485594bd6de0239abc4077665b898c0e