[INFO] fetching crate ergo-merkle-tree 0.14.1...
[INFO] checking ergo-merkle-tree-0.14.1 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate ergo-merkle-tree 0.14.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ergo-merkle-tree 0.14.1 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ergo-merkle-tree 0.14.1
[INFO] finished tweaking crates.io crate ergo-merkle-tree 0.14.1
[INFO] tweaked toml for crates.io crate ergo-merkle-tree 0.14.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 108 packages
[INFO] [stderr]       Adding base16ct v0.1.1 (latest: v0.2.0)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding crypto-bigint v0.4.9 (latest: v0.5.5)
[INFO] [stderr]       Adding darling v0.13.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_core v0.13.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_macro v0.13.4 (latest: v0.20.8)
[INFO] [stderr]       Adding der v0.6.1 (latest: v0.7.9)
[INFO] [stderr]       Adding elliptic-curve v0.12.3 (latest: v0.13.8)
[INFO] [stderr]       Adding ff v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding group v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding proptest v1.0.0 (latest: v1.4.0)
[INFO] [stderr]       Adding proptest-derive v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.36)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding serde_with v1.14.0 (latest: v3.7.0)
[INFO] [stderr]       Adding serde_with_macros v1.5.2 (latest: v3.7.0)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "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 ergo-chain-types v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f3d3cca7072984865c987d9d74cf1b04e2114b59d023d3499c2bfe404a54870
[INFO] running `Command { std: "docker" "start" "-a" "6f3d3cca7072984865c987d9d74cf1b04e2114b59d023d3499c2bfe404a54870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f3d3cca7072984865c987d9d74cf1b04e2114b59d023d3499c2bfe404a54870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3d3cca7072984865c987d9d74cf1b04e2114b59d023d3499c2bfe404a54870", kill_on_drop: false }`
[INFO] [stdout] 6f3d3cca7072984865c987d9d74cf1b04e2114b59d023d3499c2bfe404a54870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb2be18003b9a17185822358290762d4125d68d26a71a036e36fe2fdd50b0ee6
[INFO] running `Command { std: "docker" "start" "-a" "eb2be18003b9a17185822358290762d4125d68d26a71a036e36fe2fdd50b0ee6", kill_on_drop: false }`
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking bounded-vec v0.7.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking der v0.7.9
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking crypto-bigint v0.4.9
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking sigma-util v0.14.0
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking elliptic-curve v0.12.3
[INFO] [stderr]     Checking elliptic-curve v0.13.8
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking ecdsa v0.16.9
[INFO] [stderr]     Checking k256 v0.13.3
[INFO] [stderr]     Checking sigma-ser v0.15.0
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking ergo-chain-types v0.14.1
[INFO] [stderr]     Checking ergo-merkle-tree v0.14.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `TryFrom` is imported redundantly
[INFO] [stdout]    --> src/merkleproof.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     use std::convert::TryFrom;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/b3bd7058c139e71bae0862ef8f8ac936208873e9/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `TryFrom` is already defined here
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  | #![deny(unused_imports)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ergo-merkle-tree` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "eb2be18003b9a17185822358290762d4125d68d26a71a036e36fe2fdd50b0ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2be18003b9a17185822358290762d4125d68d26a71a036e36fe2fdd50b0ee6", kill_on_drop: false }`
[INFO] [stdout] eb2be18003b9a17185822358290762d4125d68d26a71a036e36fe2fdd50b0ee6
[INFO] checking ergo-merkle-tree-0.14.1 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate ergo-merkle-tree 0.14.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate ergo-merkle-tree 0.14.1 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ergo-merkle-tree 0.14.1
[INFO] finished tweaking crates.io crate ergo-merkle-tree 0.14.1
[INFO] tweaked toml for crates.io crate ergo-merkle-tree 0.14.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 108 packages
[INFO] [stderr]       Adding base16ct v0.1.1 (latest: v0.2.0)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding crypto-bigint v0.4.9 (latest: v0.5.5)
[INFO] [stderr]       Adding darling v0.13.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_core v0.13.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_macro v0.13.4 (latest: v0.20.8)
[INFO] [stderr]       Adding der v0.6.1 (latest: v0.7.9)
[INFO] [stderr]       Adding elliptic-curve v0.12.3 (latest: v0.13.8)
[INFO] [stderr]       Adding ff v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding group v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding proptest v1.0.0 (latest: v1.4.0)
[INFO] [stderr]       Adding proptest-derive v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.36)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding serde_with v1.14.0 (latest: v3.7.0)
[INFO] [stderr]       Adding serde_with_macros v1.5.2 (latest: v3.7.0)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f3333d1a2c2dc76a436df38ef7c9cb234a25299c0e2508f75bb84e6649d673b
[INFO] running `Command { std: "docker" "start" "-a" "5f3333d1a2c2dc76a436df38ef7c9cb234a25299c0e2508f75bb84e6649d673b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f3333d1a2c2dc76a436df38ef7c9cb234a25299c0e2508f75bb84e6649d673b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f3333d1a2c2dc76a436df38ef7c9cb234a25299c0e2508f75bb84e6649d673b", kill_on_drop: false }`
[INFO] [stdout] 5f3333d1a2c2dc76a436df38ef7c9cb234a25299c0e2508f75bb84e6649d673b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 272527f67f0d34bc3b74e5293202c1c2e2daab15003b7211a075f800d1c971b0
[INFO] running `Command { std: "docker" "start" "-a" "272527f67f0d34bc3b74e5293202c1c2e2daab15003b7211a075f800d1c971b0", kill_on_drop: false }`
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking bounded-vec v0.7.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]     Checking der v0.7.9
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking crypto-bigint v0.4.9
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking sigma-util v0.14.0
[INFO] [stderr]     Checking elliptic-curve v0.12.3
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking elliptic-curve v0.13.8
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking ecdsa v0.16.9
[INFO] [stderr]     Checking sigma-ser v0.15.0
[INFO] [stderr]     Checking k256 v0.13.3
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking ergo-chain-types v0.14.1
[INFO] [stderr]     Checking ergo-merkle-tree v0.14.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `TryFrom` is imported redundantly
[INFO] [stdout]    --> src/merkleproof.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     use std::convert::TryFrom;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `TryFrom` is already defined here
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  | #![deny(unused_imports)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ergo-merkle-tree` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "272527f67f0d34bc3b74e5293202c1c2e2daab15003b7211a075f800d1c971b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272527f67f0d34bc3b74e5293202c1c2e2daab15003b7211a075f800d1c971b0", kill_on_drop: false }`
[INFO] [stdout] 272527f67f0d34bc3b74e5293202c1c2e2daab15003b7211a075f800d1c971b0
