[INFO] cloning repository https://github.com/Basti110/Tracks-database-Traktor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Basti110/Tracks-database-Traktor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBasti110%2FTracks-database-Traktor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBasti110%2FTracks-database-Traktor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0513c118cf304c0a27436282951ab5c4513143a8
[INFO] testing Basti110/Tracks-database-Traktor against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBasti110%2FTracks-database-Traktor" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Basti110/Tracks-database-Traktor on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Basti110/Tracks-database-Traktor
[INFO] finished tweaking git repo https://github.com/Basti110/Tracks-database-Traktor
[INFO] tweaked toml for git repo https://github.com/Basti110/Tracks-database-Traktor written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Basti110/Tracks-database-Traktor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 341a513f008b4edbc22f0f6f07a5fc3b9286bbce36e3c3b2f713a07e9417ec24
[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" "341a513f008b4edbc22f0f6f07a5fc3b9286bbce36e3c3b2f713a07e9417ec24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "341a513f008b4edbc22f0f6f07a5fc3b9286bbce36e3c3b2f713a07e9417ec24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "341a513f008b4edbc22f0f6f07a5fc3b9286bbce36e3c3b2f713a07e9417ec24", kill_on_drop: false }`
[INFO] [stdout] 341a513f008b4edbc22f0f6f07a5fc3b9286bbce36e3c3b2f713a07e9417ec24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b333ef9ba4b2961ff47038e72e82fcde5f9e5fcad0cb8104514ea57ab8fa62c7
[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" "b333ef9ba4b2961ff47038e72e82fcde5f9e5fcad0cb8104514ea57ab8fa62c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling encoding_rs v0.8.10
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling quick-xml v0.12.4
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/org_parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/org_parser.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/org_parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/xml_obj.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/xml_obj.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line` is never read
[INFO] [stdout]    --> src/org_parser.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let mut line = "".to_string();
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/xml_obj.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut string = "".to_string();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/xml_obj.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn find_file(&self, tag: Rc<RefCell<XmlTag>>, name: &String) -> Option<Rc<RefCell<XmlTag>>> {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `found`
[INFO] [stdout]    --> src/xml_obj.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let found = value!(t).replace_primarykey(&key, &new_key);
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_found`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/xml_obj.rs:189:31
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 Ok(Event::End(e)) => {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/xml_obj.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut file = match File::create("foo.txt") {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/xml_obj.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 |             Err(e) => { 
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/manager.rs:137:24
[INFO] [stdout]     |
[INFO] [stdout] 137 |                     Ok(x) => (),
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut dirs: Vec<&str> = line.split("/").collect();
[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/org_parser.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |         for mut entry in &self.orgs {
[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/xml_obj.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut string = "".to_string();
[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/xml_obj.rs:178:25
[INFO] [stdout]     |
[INFO] [stdout] 178 |                     let mut new_tag = XmlTag::add_empty_child(Rc::clone(&tag));
[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/xml_obj.rs:179:25
[INFO] [stdout]     |
[INFO] [stdout] 179 |                     let mut name = BytesStart::owned_name(e.name());
[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/xml_obj.rs:180:25
[INFO] [stdout]     |
[INFO] [stdout] 180 |                     let mut name = name.name();
[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/xml_obj.rs:181:25
[INFO] [stdout]     |
[INFO] [stdout] 181 |                     let mut name = str::from_utf8(name).unwrap().to_string(); //Handle unwrap
[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/xml_obj.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut file = match File::create("foo.txt") {
[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/manager.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut offset = " - ".len();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_org_entry`
[INFO] [stdout]    --> src/manager.rs:292:8
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn update_org_entry(&mut self, org_idx: usize, info: &FileInfo) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.30s
[INFO] running `Command { std: "docker" "inspect" "b333ef9ba4b2961ff47038e72e82fcde5f9e5fcad0cb8104514ea57ab8fa62c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b333ef9ba4b2961ff47038e72e82fcde5f9e5fcad0cb8104514ea57ab8fa62c7", kill_on_drop: false }`
[INFO] [stdout] b333ef9ba4b2961ff47038e72e82fcde5f9e5fcad0cb8104514ea57ab8fa62c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5e5c41b30c5e10d16df881fc82f1abd94e25e0bfd7f5255688e71d18270cd15
[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" "b5e5c41b30c5e10d16df881fc82f1abd94e25e0bfd7f5255688e71d18270cd15", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/org_parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/org_parser.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/org_parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/xml_obj.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/xml_obj.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line` is never read
[INFO] [stdout]    --> src/org_parser.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let mut line = "".to_string();
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `string`
[INFO] [stdout]   --> src/xml_obj.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut string = "".to_string();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]   --> src/xml_obj.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn find_file(&self, tag: Rc<RefCell<XmlTag>>, name: &String) -> Option<Rc<RefCell<XmlTag>>> {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `found`
[INFO] [stdout]    --> src/xml_obj.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let found = value!(t).replace_primarykey(&key, &new_key);
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_found`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/xml_obj.rs:189:31
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 Ok(Event::End(e)) => {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]    --> src/xml_obj.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut file = match File::create("foo.txt") {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/xml_obj.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 |             Err(e) => { 
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/manager.rs:137:24
[INFO] [stdout]     |
[INFO] [stdout] 137 |                     Ok(x) => (),
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut dirs: Vec<&str> = line.split("/").collect();
[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/org_parser.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |         for mut entry in &self.orgs {
[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/xml_obj.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let mut string = "".to_string();
[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/xml_obj.rs:178:25
[INFO] [stdout]     |
[INFO] [stdout] 178 |                     let mut new_tag = XmlTag::add_empty_child(Rc::clone(&tag));
[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/xml_obj.rs:179:25
[INFO] [stdout]     |
[INFO] [stdout] 179 |                     let mut name = BytesStart::owned_name(e.name());
[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/xml_obj.rs:180:25
[INFO] [stdout]     |
[INFO] [stdout] 180 |                     let mut name = name.name();
[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/xml_obj.rs:181:25
[INFO] [stdout]     |
[INFO] [stdout] 181 |                     let mut name = str::from_utf8(name).unwrap().to_string(); //Handle unwrap
[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/xml_obj.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let mut file = match File::create("foo.txt") {
[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/manager.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut offset = " - ".len();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_org_entry`
[INFO] [stdout]    --> src/manager.rs:292:8
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn update_org_entry(&mut self, org_idx: usize, info: &FileInfo) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5e5c41b30c5e10d16df881fc82f1abd94e25e0bfd7f5255688e71d18270cd15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e5c41b30c5e10d16df881fc82f1abd94e25e0bfd7f5255688e71d18270cd15", kill_on_drop: false }`
[INFO] [stdout] b5e5c41b30c5e10d16df881fc82f1abd94e25e0bfd7f5255688e71d18270cd15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d5b0dc882c1d1a3e4af963d47764abf1a18a5d27f738f6b286cf1ac7d6eb303
[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" "8d5b0dc882c1d1a3e4af963d47764abf1a18a5d27f738f6b286cf1ac7d6eb303", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/org_parser.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/org_parser.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `regex::Regex`
[INFO] [stderr]  --> src/org_parser.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use regex::Regex;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/xml_obj.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]   --> src/xml_obj.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fs;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `line` is never read
[INFO] [stderr]    --> src/org_parser.rs:147:13
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let mut line = "".to_string();
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `string`
[INFO] [stderr]   --> src/xml_obj.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let mut string = "".to_string();
[INFO] [stderr]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_string`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tag`
[INFO] [stderr]   --> src/xml_obj.rs:95:29
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn find_file(&self, tag: Rc<RefCell<XmlTag>>, name: &String) -> Option<Rc<RefCell<XmlTag>>> {
[INFO] [stderr]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `found`
[INFO] [stderr]    --> src/xml_obj.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let found = value!(t).replace_primarykey(&key, &new_key);
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_found`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/xml_obj.rs:189:31
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 Ok(Event::End(e)) => {
[INFO] [stderr]     |                               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/xml_obj.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let mut file = match File::create("foo.txt") {
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/xml_obj.rs:223:17
[INFO] [stderr]     |
[INFO] [stderr] 223 |             Err(e) => { 
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/manager.rs:137:24
[INFO] [stderr]     |
[INFO] [stderr] 137 |                     Ok(x) => (),
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let mut dirs: Vec<&str> = line.split("/").collect();
[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/org_parser.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |         for mut entry in &self.orgs {
[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/xml_obj.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let mut string = "".to_string();
[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/xml_obj.rs:178:25
[INFO] [stderr]     |
[INFO] [stderr] 178 |                     let mut new_tag = XmlTag::add_empty_child(Rc::clone(&tag));
[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/xml_obj.rs:179:25
[INFO] [stderr]     |
[INFO] [stderr] 179 |                     let mut name = BytesStart::owned_name(e.name());
[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/xml_obj.rs:180:25
[INFO] [stderr]     |
[INFO] [stderr] 180 |                     let mut name = name.name();
[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/xml_obj.rs:181:25
[INFO] [stderr]     |
[INFO] [stderr] 181 |                     let mut name = str::from_utf8(name).unwrap().to_string(); //Handle unwrap
[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/xml_obj.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |         let mut file = match File::create("foo.txt") {
[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/manager.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |         let mut offset = " - ".len();
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update_org_entry`
[INFO] [stderr]    --> src/manager.rs:292:8
[INFO] [stderr]     |
[INFO] [stderr] 292 |     fn update_org_entry(&mut self, org_idx: usize, info: &FileInfo) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello_world-2596b3cfca77a3d3
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8d5b0dc882c1d1a3e4af963d47764abf1a18a5d27f738f6b286cf1ac7d6eb303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5b0dc882c1d1a3e4af963d47764abf1a18a5d27f738f6b286cf1ac7d6eb303", kill_on_drop: false }`
[INFO] [stdout] 8d5b0dc882c1d1a3e4af963d47764abf1a18a5d27f738f6b286cf1ac7d6eb303
