[INFO] fetching crate brown 0.2.0...
[INFO] checking brown-0.2.0 against master#f1ce0e6a00593493a12e0e3662119786c761f375 for pr-92413
[INFO] extracting crate brown 0.2.0 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate brown 0.2.0 on toolchain f1ce0e6a00593493a12e0e3662119786c761f375
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brown 0.2.0
[INFO] finished tweaking crates.io crate brown 0.2.0
[INFO] tweaked toml for crates.io crate brown 0.2.0 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "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" "+f1ce0e6a00593493a12e0e3662119786c761f375" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f11afebb54a58e52ad2d70dad12e1bb6b9844f80e227066a98d72a04c0c53235
[INFO] running `Command { std: "docker" "start" "-a" "f11afebb54a58e52ad2d70dad12e1bb6b9844f80e227066a98d72a04c0c53235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f11afebb54a58e52ad2d70dad12e1bb6b9844f80e227066a98d72a04c0c53235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f11afebb54a58e52ad2d70dad12e1bb6b9844f80e227066a98d72a04c0c53235", kill_on_drop: false }`
[INFO] [stdout] f11afebb54a58e52ad2d70dad12e1bb6b9844f80e227066a98d72a04c0c53235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbca7e3df29cfdfb0ca967406a1f724493970fc87a32a0c261f2b97b7c4a586d
[INFO] running `Command { std: "docker" "start" "-a" "dbca7e3df29cfdfb0ca967406a1f724493970fc87a32a0c261f2b97b7c4a586d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]     Checking qndr v0.1.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking brown v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::super::*`
[INFO] [stdout]   --> src/bro/write_to_file.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use super::super::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::BrownError`
[INFO] [stdout]   --> src/bro/write_to_file.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use crate::BrownError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/bro/write_to_file.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use super::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/bro/create_file.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 |   use super::*;  
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::*`
[INFO] [stdout]   --> src/bro/create_file.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 |   use super::super::*;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::*`
[INFO] [stdout]   --> src/bro/remove_dir.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     use super::super::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::BrownError`
[INFO] [stdout]   --> src/bro/remove_dir.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use crate::BrownError;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::*`
[INFO] [stdout]   --> src/bro/remove_file.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     use super::super::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::BrownError`
[INFO] [stdout]   --> src/bro/remove_file.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     use crate::BrownError;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::*`
[INFO] [stdout]   --> src/bro/remove_dir_brute.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     use super::super::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::BrownError`
[INFO] [stdout]   --> src/bro/remove_dir_brute.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use crate::BrownError;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::test_helper::TestHelper`
[INFO] [stdout]   --> src/bro/clone_dir_structure.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | use crate::test_helper::TestHelper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/bro/clone_dir_structure.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use super::*;    
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::*`
[INFO] [stdout]   --> src/bro/clone_dir_structure.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use super::super::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/bro/create_dir_structure.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use super::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::*`
[INFO] [stdout]   --> src/bro/create_dir_structure.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use super::super::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::test_helper::TestHelper`
[INFO] [stdout]   --> src/bro/dir_structure_to_string.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | use crate::test_helper::TestHelper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/bro/dir_structure_to_string.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | use super::*;    
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::*`
[INFO] [stdout]   --> src/bro/dir_structure_to_string.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use super::super::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `test_helper::TestHelper`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use test_helper::TestHelper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::*`
[INFO] [stdout]   --> src/bro/clone_dir_structure.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use super::super::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::*`
[INFO] [stdout]   --> src/bro/dir_structure_to_string.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use super::super::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `test_helper::TestHelper`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use test_helper::TestHelper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/bro/create_dir.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     Err(e) => Err(BrownError::FailedDirCreation),
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/bro/create_dir.rs:90:25
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     Err(e) => Err(BrownError::FailedDirCreation),
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TestHelper`
[INFO] [stdout]  --> src/test_helper.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct TestHelper {
[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: `new`
[INFO] [stdout]  --> src/test_helper.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(parent_folder_name:&'static str)->Self{
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `setup_files_n_dirs`
[INFO] [stdout]   --> src/test_helper.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn setup_files_n_dirs(&self)->Result<bool,BrownError>{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_parent_dir`
[INFO] [stdout]   --> src/test_helper.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn create_parent_dir(&self)->Result<bool,BrownError>{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `setup_dirs`
[INFO] [stdout]   --> src/test_helper.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn setup_dirs(&self)->Result<bool,BrownError>{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tear_down`
[INFO] [stdout]   --> src/test_helper.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn tear_down(&self)->Result<bool,BrownError>{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_dir`
[INFO] [stdout]   --> src/test_helper.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn create_dir(&self,dir_name:&str)->bool{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PARENTFOLDER`
[INFO] [stdout]  --> src/helper.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub static PARENTFOLDER: &str = "delme/";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_mixed`
[INFO] [stdout]  --> src/helper.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn setup_mixed()->Result<bool,BrownError>{
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_dirs`
[INFO] [stdout]   --> src/helper.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn setup_dirs()->Result<bool,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tear_down`
[INFO] [stdout]   --> src/helper.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn tear_down()->Result<bool,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec_string_to_str`
[INFO] [stdout]   --> src/util/mod.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn vec_string_to_str(string_vec:&Vec<String>)
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec_str_to_string`
[INFO] [stdout]   --> src/util/mod.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn vec_str_to_string(string_vec:&Vec<&str>)
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec_replace_all`
[INFO] [stdout]   --> src/util/mod.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn vec_replace_all(incomming:&Vec<String>,find:&str,replace_with:&str)->Result<Vec<String>,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sanitize_all`
[INFO] [stdout]  --> src/bro_path/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn sanitize_all(&self,paths:&Vec<String>)->Result<Vec<String>,BrownError>{
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_dot_slash`
[INFO] [stdout]   --> src/bro_path/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn add_dot_slash(&self,path:&String)->String{
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `setup_files_n_dirs`
[INFO] [stdout]   --> src/test_helper.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn setup_files_n_dirs(&self)->Result<bool,BrownError>{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_mixed`
[INFO] [stdout]  --> src/helper.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn setup_mixed()->Result<bool,BrownError>{
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec_string_to_str`
[INFO] [stdout]   --> src/util/mod.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn vec_string_to_str(string_vec:&Vec<String>)
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec_str_to_string`
[INFO] [stdout]   --> src/util/mod.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn vec_str_to_string(string_vec:&Vec<&str>)
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec_replace_all`
[INFO] [stdout]   --> src/util/mod.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn vec_replace_all(incomming:&Vec<String>,find:&str,replace_with:&str)->Result<Vec<String>,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_dot_slash`
[INFO] [stdout]   --> src/bro_path/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn add_dot_slash(&self,path:&String)->String{
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bro/dir_structure_to_string.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     th.setup_dirs();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bro/dir_structure_to_string.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     th.tear_down();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bro/dir_structure_to_string.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     th.create_parent_dir();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bro/dir_structure_to_string.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     th.tear_down();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_up`
[INFO] [stdout]  --> tests/setup.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn build_up()->Result<bool,BrownError>{
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_files`
[INFO] [stdout]   --> tests/setup.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn remove_files()->Result<bool,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_dirs`
[INFO] [stdout]   --> tests/setup.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn remove_dirs()->Result<bool,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_up`
[INFO] [stdout]  --> tests/setup.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn build_up()->Result<bool,BrownError>{
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_files`
[INFO] [stdout]   --> tests/setup.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn remove_files()->Result<bool,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_dirs`
[INFO] [stdout]   --> tests/setup.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn remove_dirs()->Result<bool,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_output`
[INFO] [stdout]   --> tests/copy_dir_structure_test.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn check_output(output:&Vec<&str>)->bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_up`
[INFO] [stdout]  --> tests/setup.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn build_up()->Result<bool,BrownError>{
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_files`
[INFO] [stdout]   --> tests/setup.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn remove_files()->Result<bool,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_dirs`
[INFO] [stdout]   --> tests/setup.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn remove_dirs()->Result<bool,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_up`
[INFO] [stdout]  --> tests/setup.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn build_up()->Result<bool,BrownError>{
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_files`
[INFO] [stdout]   --> tests/setup.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn remove_files()->Result<bool,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_dirs`
[INFO] [stdout]   --> tests/setup.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn remove_dirs()->Result<bool,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_up`
[INFO] [stdout]  --> tests/setup.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn build_up()->Result<bool,BrownError>{
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_files`
[INFO] [stdout]   --> tests/setup.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn remove_files()->Result<bool,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_dirs`
[INFO] [stdout]   --> tests/setup.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn remove_dirs()->Result<bool,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_up_dirs`
[INFO] [stdout]   --> tests/setup.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn build_up_dirs()->Result<bool,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_files`
[INFO] [stdout]   --> tests/setup.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn remove_files()->Result<bool,BrownError>{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.05s
[INFO] running `Command { std: "docker" "inspect" "dbca7e3df29cfdfb0ca967406a1f724493970fc87a32a0c261f2b97b7c4a586d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbca7e3df29cfdfb0ca967406a1f724493970fc87a32a0c261f2b97b7c4a586d", kill_on_drop: false }`
[INFO] [stdout] dbca7e3df29cfdfb0ca967406a1f724493970fc87a32a0c261f2b97b7c4a586d