[INFO] fetching crate merkle-tree-accumulator 0.1.4...
[INFO] testing merkle-tree-accumulator-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate merkle-tree-accumulator 0.1.4 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate merkle-tree-accumulator 0.1.4 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 merkle-tree-accumulator 0.1.4
[INFO] finished tweaking crates.io crate merkle-tree-accumulator 0.1.4
[INFO] tweaked toml for crates.io crate merkle-tree-accumulator 0.1.4 written to /workspace/builds/worker-87/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] bb1f63387a8f0919465d9ded76840ad4d14945ccf9f1dfd8385aad15752e2ff5
[INFO] running `Command { std: "docker" "start" "-a" "bb1f63387a8f0919465d9ded76840ad4d14945ccf9f1dfd8385aad15752e2ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb1f63387a8f0919465d9ded76840ad4d14945ccf9f1dfd8385aad15752e2ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1f63387a8f0919465d9ded76840ad4d14945ccf9f1dfd8385aad15752e2ff5", kill_on_drop: false }`
[INFO] [stdout] bb1f63387a8f0919465d9ded76840ad4d14945ccf9f1dfd8385aad15752e2ff5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 71faee3e304b13b8bd39c4e367e1955100169445df37d20663ebf4da1e334f1b
[INFO] running `Command { std: "docker" "start" "-a" "71faee3e304b13b8bd39c4e367e1955100169445df37d20663ebf4da1e334f1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling to_vec v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling bytebuffer v0.2.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling near-runtime-utils v4.0.0-pre.1
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.8.2
[INFO] [stderr]    Compiling borsh-derive-internal v0.8.2
[INFO] [stderr]    Compiling borsh-derive-internal v0.9.1
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.9.1
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling near-sdk-core v3.1.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling near-sdk-macros v3.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling near-rpc-error-core v0.1.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling borsh-derive v0.8.2
[INFO] [stderr]    Compiling borsh-derive v0.9.1
[INFO] [stderr]    Compiling near-rpc-error-macro v0.1.0
[INFO] [stderr]    Compiling borsh v0.8.2
[INFO] [stderr]    Compiling borsh v0.9.1
[INFO] [stderr]    Compiling near-vm-errors v4.0.0-pre.1
[INFO] [stderr]    Compiling near-primitives-core v0.4.0
[INFO] [stderr]    Compiling near-vm-logic v4.0.0-pre.1
[INFO] [stderr]    Compiling near-sdk v3.1.0
[INFO] [stderr]    Compiling merkle-tree-accumulator v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.42s
[INFO] running `Command { std: "docker" "inspect" "71faee3e304b13b8bd39c4e367e1955100169445df37d20663ebf4da1e334f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71faee3e304b13b8bd39c4e367e1955100169445df37d20663ebf4da1e334f1b", kill_on_drop: false }`
[INFO] [stdout] 71faee3e304b13b8bd39c4e367e1955100169445df37d20663ebf4da1e334f1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 05e0d4c41439f29bf86816c2e702aae56229a39bea8df321ea1bb8e5bff95bb6
[INFO] running `Command { std: "docker" "start" "-a" "05e0d4c41439f29bf86816c2e702aae56229a39bea8df321ea1bb8e5bff95bb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling merkle-tree-accumulator v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "05e0d4c41439f29bf86816c2e702aae56229a39bea8df321ea1bb8e5bff95bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e0d4c41439f29bf86816c2e702aae56229a39bea8df321ea1bb8e5bff95bb6", kill_on_drop: false }`
[INFO] [stdout] 05e0d4c41439f29bf86816c2e702aae56229a39bea8df321ea1bb8e5bff95bb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 41d144ed751a68b27fc85b6f0c50d38736260bb59c70c27446fb50b35e27c014
[INFO] running `Command { std: "docker" "start" "-a" "41d144ed751a68b27fc85b6f0c50d38736260bb59c70c27446fb50b35e27c014", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/merkle_tree_accumulator-05da008d46c9281b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merkle-tree-accumulator
[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] [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" "41d144ed751a68b27fc85b6f0c50d38736260bb59c70c27446fb50b35e27c014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d144ed751a68b27fc85b6f0c50d38736260bb59c70c27446fb50b35e27c014", kill_on_drop: false }`
[INFO] [stdout] 41d144ed751a68b27fc85b6f0c50d38736260bb59c70c27446fb50b35e27c014