[INFO] fetching crate fuel-merkle 0.1.1...
[INFO] testing fuel-merkle-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate fuel-merkle 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fuel-merkle 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fuel-merkle 0.1.1
[INFO] finished tweaking crates.io crate fuel-merkle 0.1.1
[INFO] tweaked toml for crates.io crate fuel-merkle 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e22cf3cefafafaee32784f790847c05458bb58989df8c98fccc1009c734446c
[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" "0e22cf3cefafafaee32784f790847c05458bb58989df8c98fccc1009c734446c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e22cf3cefafafaee32784f790847c05458bb58989df8c98fccc1009c734446c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e22cf3cefafafaee32784f790847c05458bb58989df8c98fccc1009c734446c", kill_on_drop: false }`
[INFO] [stdout] 0e22cf3cefafafaee32784f790847c05458bb58989df8c98fccc1009c734446c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e61139cb2e3e1a55ed34130516e31f1616d38d9dfe9c6f2aad9a836c3d16a7b
[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" "9e61139cb2e3e1a55ed34130516e31f1616d38d9dfe9c6f2aad9a836c3d16a7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling fuel-storage v0.1.0
[INFO] [stderr]    Compiling fuel-merkle v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `empty_sum`
[INFO] [stdout]  --> src/sparse.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) use hash::{empty_sum, zero_sum};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Node`, `StorageNode`
[INFO] [stdout]  --> src/sparse.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) use node::{Node, StorageNode};
[INFO] [stdout]   |                       ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `empty_sum`
[INFO] [stdout]   --> src/sparse/hash.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn empty_sum() -> &'static Bytes32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_leaf`
[INFO] [stdout]   --> src/sparse/node.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn create_leaf(key: &[u8], data: &[u8]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_node`
[INFO] [stdout]   --> src/sparse/node.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn create_node(left_child_key: &Bytes32, right_child_key: &Bytes32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_placeholder`
[INFO] [stdout]   --> src/sparse/node.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn create_placeholder() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_buffer`
[INFO] [stdout]   --> src/sparse/node.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn as_buffer(&self) -> &Buffer {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default_buffer`
[INFO] [stdout]   --> src/sparse/node.rs:98:14
[INFO] [stdout]    |
[INFO] [stdout] 98 |     const fn default_buffer() -> Buffer {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `buffer_size`
[INFO] [stdout]    --> src/sparse/node.rs:144:14
[INFO] [stdout]     |
[INFO] [stdout] 144 |     const fn buffer_size() -> usize {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `buffer_mut`
[INFO] [stdout]    --> src/sparse/node.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn buffer_mut(&mut self) -> &mut [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bytes_prefix_mut`
[INFO] [stdout]    --> src/sparse/node.rs:158:8
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn bytes_prefix_mut(&mut self) -> &mut [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bytes_prefix`
[INFO] [stdout]    --> src/sparse/node.rs:168:8
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn set_bytes_prefix(&mut self, bytes: &Bytes1) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bytes_lo_mut`
[INFO] [stdout]    --> src/sparse/node.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn bytes_lo_mut(&mut self) -> &mut [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bytes_lo`
[INFO] [stdout]    --> src/sparse/node.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn set_bytes_lo(&mut self, bytes: &Bytes32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bytes_hi_mut`
[INFO] [stdout]    --> src/sparse/node.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn bytes_hi_mut(&mut self) -> &mut [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bytes_hi`
[INFO] [stdout]    --> src/sparse/node.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn set_bytes_hi(&mut self, bytes: &Bytes32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hash`
[INFO] [stdout]    --> src/sparse/node.rs:260:12
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn hash(&self) -> Bytes32 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_node`
[INFO] [stdout]    --> src/sparse/node.rs:284:12
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn into_node(self) -> Node {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "9e61139cb2e3e1a55ed34130516e31f1616d38d9dfe9c6f2aad9a836c3d16a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e61139cb2e3e1a55ed34130516e31f1616d38d9dfe9c6f2aad9a836c3d16a7b", kill_on_drop: false }`
[INFO] [stdout] 9e61139cb2e3e1a55ed34130516e31f1616d38d9dfe9c6f2aad9a836c3d16a7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0a6f6a16844da8789afae576a823d86dafe81c4f69624c15fe72f17f0433c91
[INFO] running `Command { std: "docker" "start" "-a" "d0a6f6a16844da8789afae576a823d86dafe81c4f69624c15fe72f17f0433c91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fuel-merkle v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `empty_sum`
[INFO] [stdout]  --> src/sparse.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) use hash::{empty_sum, zero_sum};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Node`, `StorageNode`
[INFO] [stdout]  --> src/sparse.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) use node::{Node, StorageNode};
[INFO] [stdout]   |                       ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `empty_sum`
[INFO] [stdout]   --> src/sparse/hash.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn empty_sum() -> &'static Bytes32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_leaf`
[INFO] [stdout]   --> src/sparse/node.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn create_leaf(key: &[u8], data: &[u8]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_node`
[INFO] [stdout]   --> src/sparse/node.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn create_node(left_child_key: &Bytes32, right_child_key: &Bytes32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_placeholder`
[INFO] [stdout]   --> src/sparse/node.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn create_placeholder() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_buffer`
[INFO] [stdout]   --> src/sparse/node.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn as_buffer(&self) -> &Buffer {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default_buffer`
[INFO] [stdout]   --> src/sparse/node.rs:98:14
[INFO] [stdout]    |
[INFO] [stdout] 98 |     const fn default_buffer() -> Buffer {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `buffer_size`
[INFO] [stdout]    --> src/sparse/node.rs:144:14
[INFO] [stdout]     |
[INFO] [stdout] 144 |     const fn buffer_size() -> usize {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `buffer_mut`
[INFO] [stdout]    --> src/sparse/node.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn buffer_mut(&mut self) -> &mut [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bytes_prefix_mut`
[INFO] [stdout]    --> src/sparse/node.rs:158:8
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn bytes_prefix_mut(&mut self) -> &mut [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bytes_prefix`
[INFO] [stdout]    --> src/sparse/node.rs:168:8
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn set_bytes_prefix(&mut self, bytes: &Bytes1) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bytes_lo_mut`
[INFO] [stdout]    --> src/sparse/node.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn bytes_lo_mut(&mut self) -> &mut [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bytes_lo`
[INFO] [stdout]    --> src/sparse/node.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn set_bytes_lo(&mut self, bytes: &Bytes32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bytes_hi_mut`
[INFO] [stdout]    --> src/sparse/node.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn bytes_hi_mut(&mut self) -> &mut [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bytes_hi`
[INFO] [stdout]    --> src/sparse/node.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 |     fn set_bytes_hi(&mut self, bytes: &Bytes32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hash`
[INFO] [stdout]    --> src/sparse/node.rs:260:12
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn hash(&self) -> Bytes32 {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_node`
[INFO] [stdout]    --> src/sparse/node.rs:284:12
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn into_node(self) -> Node {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `fuel_merkle_test_helpers`
[INFO] [stdout]    --> src/binary/merkle_tree.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     use fuel_merkle_test_helpers::TEST_DATA;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `fuel_merkle_test_helpers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `empty_sum`
[INFO] [stdout]  --> src/sparse.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) use hash::{empty_sum, zero_sum};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fuel-merkle` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d0a6f6a16844da8789afae576a823d86dafe81c4f69624c15fe72f17f0433c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a6f6a16844da8789afae576a823d86dafe81c4f69624c15fe72f17f0433c91", kill_on_drop: false }`
[INFO] [stdout] d0a6f6a16844da8789afae576a823d86dafe81c4f69624c15fe72f17f0433c91