[INFO] updating cached repository https://github.com/Vladyslav-Bochok/sparse-merkle-tree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5897bbb9e0a3862afa45920e2d0226965eb82d4f [INFO] testing Vladyslav-Bochok/sparse-merkle-tree against 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVladyslav-Bochok%2Fsparse-merkle-tree" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Vladyslav-Bochok/sparse-merkle-tree on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Vladyslav-Bochok/sparse-merkle-tree [INFO] finished tweaking git repo https://github.com/Vladyslav-Bochok/sparse-merkle-tree [INFO] tweaked toml for git repo https://github.com/Vladyslav-Bochok/sparse-merkle-tree written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/Vladyslav-Bochok/sparse-merkle-tree already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--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] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8ba18f1b718f786e5c95b4be0ad3ac7c44fd1d8404ef8c806c465838d9d04dc5 [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" "8ba18f1b718f786e5c95b4be0ad3ac7c44fd1d8404ef8c806c465838d9d04dc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ba18f1b718f786e5c95b4be0ad3ac7c44fd1d8404ef8c806c465838d9d04dc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ba18f1b718f786e5c95b4be0ad3ac7c44fd1d8404ef8c806c465838d9d04dc5", kill_on_drop: false }` [INFO] [stdout] 8ba18f1b718f786e5c95b4be0ad3ac7c44fd1d8404ef8c806c465838d9d04dc5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8a0f1728eb94d4b652b9b4eea2e333b43f8d49f4e99117fc84da4fae821471b [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" "e8a0f1728eb94d4b652b9b4eea2e333b43f8d49f4e99117fc84da4fae821471b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling keccak v0.1.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling tiny-keccak v1.5.0 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling sparse_merkle_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `keccak256` [INFO] [stdout] --> src/hash.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use tiny_keccak::{Keccak, keccak256}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/hash.rs:51:28 [INFO] [stdout] | [INFO] [stdout] 51 | number[number_byte] |= (1 << number_bit); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rng` [INFO] [stdout] --> src/test.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::{Rng}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Keccak`, `keccak256` [INFO] [stdout] --> src/main.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | use tiny_keccak::{Keccak, keccak256}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/main.rs:126:17 [INFO] [stdout] | [INFO] [stdout] 126 | let key = div_2(&key); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `default_nodes` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 40 | let last_node = default_nodes.last().expect("last element in vec last_node not found!"); [INFO] [stdout] | ------------- immutable borrow occurs here [INFO] [stdout] 41 | default_nodes.push(get_hash(last_node, last_node)); [INFO] [stdout] | ^^^^^^^^^^^^^ --------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | let mut co_index = minus_1(&cur_index); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:58:21 [INFO] [stdout] | [INFO] [stdout] 58 | let mut sibling_node; [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:68:21 [INFO] [stdout] | [INFO] [stdout] 68 | let mut co_index = plus_1(&cur_index); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:70:21 [INFO] [stdout] | [INFO] [stdout] 70 | let mut sibling_node; [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hash.rs:55:16 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn get_bit(mut number:H256,index:usize) -> bool { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `H256` [INFO] [stdout] --> src/hash.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | pub type H256 = [u8; 32]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_h256` [INFO] [stdout] --> src/hash.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn get_h256(arg: u32) -> H256{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_hash` [INFO] [stdout] --> src/hash.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn get_hash(l_value :&H256, r_value:&H256) -> H256 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `mod_2` [INFO] [stdout] --> src/hash.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn mod_2(value: &H256) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `div_2` [INFO] [stdout] --> src/hash.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn div_2(value: &H256) -> H256 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `plus_1` [INFO] [stdout] --> src/hash.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn plus_1(value: &H256) -> H256 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `minus_1` [INFO] [stdout] --> src/hash.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn minus_1(value: &H256) -> H256 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `set_bit` [INFO] [stdout] --> src/hash.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn set_bit(mut number:H256,index:usize) -> H256 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_bit` [INFO] [stdout] --> src/hash.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn get_bit(mut number:H256,index:usize) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `SparseMerkleTree` [INFO] [stdout] --> src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct SparseMerkleTree{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | fn new(depth:usize, leaf:HashMap) -> SparseMerkleTree { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `init` [INFO] [stdout] --> src/main.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | fn init(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `create_default_node` [INFO] [stdout] --> src/main.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | fn create_default_node(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `update` [INFO] [stdout] --> src/main.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | fn update(&mut self, key:H256, value:H256) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_leaf_value` [INFO] [stdout] --> src/main.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 85 | fn get_leaf_value(&mut self, key:H256) -> H256 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `merkle_proof` [INFO] [stdout] --> src/main.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | fn merkle_proof(&self, key: H256) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `verify` [INFO] [stdout] --> src/main.rs:115:8 [INFO] [stdout] | [INFO] [stdout] 115 | fn verify(&self, key: H256, value: H256, proof: Vec) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 28 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.31s [INFO] running `Command { std: "docker" "inspect" "e8a0f1728eb94d4b652b9b4eea2e333b43f8d49f4e99117fc84da4fae821471b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8a0f1728eb94d4b652b9b4eea2e333b43f8d49f4e99117fc84da4fae821471b", kill_on_drop: false }` [INFO] [stdout] e8a0f1728eb94d4b652b9b4eea2e333b43f8d49f4e99117fc84da4fae821471b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 5ebfdb76d0f9c4d29065d7ec8aa2d1184a63b086194dee845278e1353996c064 [INFO] running `Command { std: "docker" "start" "-a" "5ebfdb76d0f9c4d29065d7ec8aa2d1184a63b086194dee845278e1353996c064", kill_on_drop: false }` [INFO] [stderr] Compiling sparse_merkle_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `keccak256` [INFO] [stdout] --> src/hash.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use tiny_keccak::{Keccak, keccak256}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/hash.rs:51:28 [INFO] [stdout] | [INFO] [stdout] 51 | number[number_byte] |= (1 << number_bit); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `H256` [INFO] [stdout] --> src/test.rs:8:23 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::hash::{H256, get_h256}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Keccak`, `keccak256` [INFO] [stdout] --> src/main.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | use tiny_keccak::{Keccak, keccak256}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/main.rs:126:17 [INFO] [stdout] | [INFO] [stdout] 126 | let key = div_2(&key); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `default_nodes` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 40 | let last_node = default_nodes.last().expect("last element in vec last_node not found!"); [INFO] [stdout] | ------------- immutable borrow occurs here [INFO] [stdout] 41 | default_nodes.push(get_hash(last_node, last_node)); [INFO] [stdout] | ^^^^^^^^^^^^^ --------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | let mut co_index = minus_1(&cur_index); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:58:21 [INFO] [stdout] | [INFO] [stdout] 58 | let mut sibling_node; [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:68:21 [INFO] [stdout] | [INFO] [stdout] 68 | let mut co_index = plus_1(&cur_index); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:70:21 [INFO] [stdout] | [INFO] [stdout] 70 | let mut sibling_node; [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hash.rs:55:16 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn get_bit(mut number:H256,index:usize) -> bool { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `set_bit` [INFO] [stdout] --> src/hash.rs:48:8 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn set_bit(mut number:H256,index:usize) -> H256 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_bit` [INFO] [stdout] --> src/hash.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn get_bit(mut number:H256,index:usize) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_leaf_value` [INFO] [stdout] --> src/main.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 85 | fn get_leaf_value(&mut self, key:H256) -> H256 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.38s [INFO] running `Command { std: "docker" "inspect" "5ebfdb76d0f9c4d29065d7ec8aa2d1184a63b086194dee845278e1353996c064", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ebfdb76d0f9c4d29065d7ec8aa2d1184a63b086194dee845278e1353996c064", kill_on_drop: false }` [INFO] [stdout] 5ebfdb76d0f9c4d29065d7ec8aa2d1184a63b086194dee845278e1353996c064 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8eff36333931c2d38c7e4a98ff7ba1cf2dd3b30929a9614fb53bd626c0671628 [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" "8eff36333931c2d38c7e4a98ff7ba1cf2dd3b30929a9614fb53bd626c0671628", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `keccak256` [INFO] [stderr] --> src/hash.rs:1:27 [INFO] [stderr] | [INFO] [stderr] 1 | use tiny_keccak::{Keccak, keccak256}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/hash.rs:51:28 [INFO] [stderr] | [INFO] [stderr] 51 | number[number_byte] |= (1 << number_bit); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `H256` [INFO] [stderr] --> src/test.rs:8:23 [INFO] [stderr] | [INFO] [stderr] 8 | use crate::hash::{H256, get_h256}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Keccak`, `keccak256` [INFO] [stderr] --> src/main.rs:5:19 [INFO] [stderr] | [INFO] [stderr] 5 | use tiny_keccak::{Keccak, keccak256}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `key` [INFO] [stderr] --> src/main.rs:126:17 [INFO] [stderr] | [INFO] [stderr] 126 | let key = div_2(&key); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `default_nodes` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:41:13 [INFO] [stderr] | [INFO] [stderr] 40 | let last_node = default_nodes.last().expect("last element in vec last_node not found!"); [INFO] [stderr] | ------------- immutable borrow occurs here [INFO] [stderr] 41 | default_nodes.push(get_hash(last_node, last_node)); [INFO] [stderr] | ^^^^^^^^^^^^^ --------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:56:21 [INFO] [stderr] | [INFO] [stderr] 56 | let mut co_index = minus_1(&cur_index); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:58:21 [INFO] [stderr] | [INFO] [stderr] 58 | let mut sibling_node; [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:68:21 [INFO] [stderr] | [INFO] [stderr] 68 | let mut co_index = plus_1(&cur_index); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:70:21 [INFO] [stderr] | [INFO] [stderr] 70 | let mut sibling_node; [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/hash.rs:55:16 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn get_bit(mut number:H256,index:usize) -> bool { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `set_bit` [INFO] [stderr] --> src/hash.rs:48:8 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn set_bit(mut number:H256,index:usize) -> H256 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_bit` [INFO] [stderr] --> src/hash.rs:55:8 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn get_bit(mut number:H256,index:usize) -> bool { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_leaf_value` [INFO] [stderr] --> src/main.rs:85:8 [INFO] [stderr] | [INFO] [stderr] 85 | fn get_leaf_value(&mut self, key:H256) -> H256 { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/sparse_merkle_tree-b6c2097d6fd5dd68 [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test test::tests::test_default_root ... ok [INFO] [stdout] test test::tests::test_insert ... ok [INFO] [stdout] test test::tests::test_verify ... ok [INFO] [stdout] test test::tests::test_verify_100_random_keys ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8eff36333931c2d38c7e4a98ff7ba1cf2dd3b30929a9614fb53bd626c0671628", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8eff36333931c2d38c7e4a98ff7ba1cf2dd3b30929a9614fb53bd626c0671628", kill_on_drop: false }` [INFO] [stdout] 8eff36333931c2d38c7e4a98ff7ba1cf2dd3b30929a9614fb53bd626c0671628