[INFO] cloning repository https://github.com/LiangrunDa/bft-crdt-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LiangrunDa/bft-crdt-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiangrunDa%2Fbft-crdt-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiangrunDa%2Fbft-crdt-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca93af33a136c5b80c7a0e287f7885e75a10217f
[INFO] checking LiangrunDa/bft-crdt-rs against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiangrunDa%2Fbft-crdt-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LiangrunDa/bft-crdt-rs
[INFO] finished tweaking git repo https://github.com/LiangrunDa/bft-crdt-rs
[INFO] tweaked toml for git repo https://github.com/LiangrunDa/bft-crdt-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LiangrunDa/bft-crdt-rs on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
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[INFO] crate git repo https://github.com/LiangrunDa/bft-crdt-rs already has a lockfile, it will not be regenerated
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[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
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[INFO] [stdout] warning: unused import: `rand::rngs::StdRng`
[INFO] [stdout]  --> crdts/src/bft_crdts/bft_crdt.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::rngs::StdRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sha512`
[INFO] [stdout]  --> crdts/src/bft_crdts/hash_graph.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sha2::{Digest, Sha256, Sha512};
[INFO] [stdout]   |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tonic-build v0.9.2
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]    --> crdts/src/bft_crdts/bft_rga.rs:149:45
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     if let BFTRGAOp::Insert(v2, i2, ei2) = &n.value {
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ei2`
[INFO] [stdout]    --> crdts/src/bft_crdts/bft_rga.rs:149:53
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     if let BFTRGAOp::Insert(v2, i2, ei2) = &n.value {
[INFO] [stdout]     |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ei2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_ancestor_recurse` and `is_ancestor_dfs` are never used
[INFO] [stdout]    --> crdts/src/bft_crdts/hash_graph.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout]  51 | impl<T: Serialize + Clone> HashGraph<T> {
[INFO] [stdout]     | --------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 146 |     fn is_ancestor_recurse(&self, ancestor: &HashType, descendant: &Node<T>, visited: &mut HashSet<HashType>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     fn is_ancestor_dfs(&self, ancestor: &HashType, descendant: &Node<T>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:194:21
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:203:23
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn cursor_mut(&mut self) -> CursorMut<T> {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn cursor_mut(&mut self) -> CursorMut<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
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[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tracing-bunyan-formatter v0.3.10
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stdout] warning: unused import: `ORSetOp`
[INFO] [stdout]  --> crdts/benches/crdt_benchmarks/orset.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crdts::crdts::orset::{ORSet, ORSetOp};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RGAOp`
[INFO] [stdout]  --> crdts/benches/crdt_benchmarks/rga.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crdts::crdts::rga::{RGA, RGAOp};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::StdRng`
[INFO] [stdout]  --> crdts/src/bft_crdts/bft_crdt.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::rngs::StdRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sha512`
[INFO] [stdout]  --> crdts/src/bft_crdts/hash_graph.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sha2::{Digest, Sha256, Sha512};
[INFO] [stdout]   |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]    --> crdts/src/bft_crdts/bft_rga.rs:149:45
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     if let BFTRGAOp::Insert(v2, i2, ei2) = &n.value {
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ei2`
[INFO] [stdout]    --> crdts/src/bft_crdts/bft_rga.rs:149:53
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     if let BFTRGAOp::Insert(v2, i2, ei2) = &n.value {
[INFO] [stdout]     |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ei2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_ancestor_recurse` and `is_ancestor_dfs` are never used
[INFO] [stdout]    --> crdts/src/bft_crdts/hash_graph.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout]  51 | impl<T: Serialize + Clone> HashGraph<T> {
[INFO] [stdout]     | --------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 146 |     fn is_ancestor_recurse(&self, ancestor: &HashType, descendant: &Node<T>, visited: &mut HashSet<HashType>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     fn is_ancestor_dfs(&self, ancestor: &HashType, descendant: &Node<T>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:194:21
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> crdts/src/crdts/linked_list.rs:203:23
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn cursor_mut(&mut self) -> CursorMut<T> {
[INFO] [stdout]     |                       ^^^^^^^^^     ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub fn cursor_mut(&mut self) -> CursorMut<'_, T> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking comparison v0.1.0 (/opt/rustwide/workdir/comparison)
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/orset.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/orset.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> comparison/src/orset.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         for i in 0..num_ops {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> comparison/src/orset.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut bft_orset = BFTORSet::new();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/orset.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/orset.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> comparison/src/rga.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut bft_rga = BFTRGA::new();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/rga.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/rga.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> comparison/src/rga.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let mut bft_rga = BFTRGA::new();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/rga.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> comparison/src/rga.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         for i in 0..num_ops {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/rga.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> comparison/src/rga.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         for i in 0..num_ops {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:151:25
[INFO] [stdout]     |
[INFO] [stdout] 151 |                     for i in 0..buffer.len() {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:320:25
[INFO] [stdout]     |
[INFO] [stdout] 320 |                     for i in 0..buffer.len() {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `len`, `is_empty`, and `chars_to_bytes` are never used
[INFO] [stdout]   --> comparison/src/common.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl TestData {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 48 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn chars_to_bytes(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:112:29
[INFO] [stdout]     |
[INFO] [stdout] 112 | ...                   sender.send(msg);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |                             let _ = sender.send(msg);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:402:5
[INFO] [stdout]     |
[INFO] [stdout] 402 |     handle1.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let _ = handle1.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:403:5
[INFO] [stdout]     |
[INFO] [stdout] 403 |     handle2.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 403 |     let _ = handle2.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:425:5
[INFO] [stdout]     |
[INFO] [stdout] 425 |     bft_handle1.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 425 |     let _ = bft_handle1.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:426:5
[INFO] [stdout]     |
[INFO] [stdout] 426 |     bft_handle2.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 426 |     let _ = bft_handle2.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/orset.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/orset.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> comparison/src/orset.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         for i in 0..num_ops {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> comparison/src/orset.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut bft_orset = BFTORSet::new();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/orset.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/orset.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> comparison/src/rga.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut bft_rga = BFTRGA::new();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/rga.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]   --> comparison/src/rga.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     for run in 0..num_runs {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> comparison/src/rga.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let mut bft_rga = BFTRGA::new();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/rga.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> comparison/src/rga.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         for i in 0..num_ops {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `run`
[INFO] [stdout]    --> comparison/src/rga.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     for run in 0..num_runs {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_run`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> comparison/src/rga.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         for i in 0..num_ops {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:151:25
[INFO] [stdout]     |
[INFO] [stdout] 151 |                     for i in 0..buffer.len() {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:320:25
[INFO] [stdout]     |
[INFO] [stdout] 320 |                     for i in 0..buffer.len() {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `len`, `is_empty`, and `chars_to_bytes` are never used
[INFO] [stdout]   --> comparison/src/common.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl TestData {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 48 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn chars_to_bytes(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:112:29
[INFO] [stdout]     |
[INFO] [stdout] 112 | ...                   sender.send(msg);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |                             let _ = sender.send(msg);
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:402:5
[INFO] [stdout]     |
[INFO] [stdout] 402 |     handle1.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 402 |     let _ = handle1.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:403:5
[INFO] [stdout]     |
[INFO] [stdout] 403 |     handle2.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 403 |     let _ = handle2.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:425:5
[INFO] [stdout]     |
[INFO] [stdout] 425 |     bft_handle1.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 425 |     let _ = bft_handle1.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> comparison/src/concurrent_edit.rs:426:5
[INFO] [stdout]     |
[INFO] [stdout] 426 |     bft_handle2.join();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 426 |     let _ = bft_handle2.join();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.9.2
[INFO] [stderr]     Checking tester v0.1.0 (/opt/rustwide/workdir/tester-server)
[INFO] [stderr]     Checking tester-client v0.1.0 (/opt/rustwide/workdir/tester-client)
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]  --> tester-client/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::LinkedList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]  --> tester-client/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::LinkedList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 21s
[INFO] running `Command { std: "docker" "inspect" "a6e4edcdab52979303ca6d22e01887432279254a6546cb359b29e8d1a48a95e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e4edcdab52979303ca6d22e01887432279254a6546cb359b29e8d1a48a95e2", kill_on_drop: false }`
[INFO] [stdout] a6e4edcdab52979303ca6d22e01887432279254a6546cb359b29e8d1a48a95e2
