[INFO] cloning repository https://github.com/SuedeGently/musicbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SuedeGently/musicbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuedeGently%2Fmusicbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuedeGently%2Fmusicbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e30d21cf462bea3c05a50f8eadc45532cc19fc55
[INFO] checking SuedeGently/musicbox against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuedeGently%2Fmusicbox" "/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/SuedeGently/musicbox on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SuedeGently/musicbox
[INFO] finished tweaking git repo https://github.com/SuedeGently/musicbox
[INFO] tweaked toml for git repo https://github.com/SuedeGently/musicbox written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/SuedeGently/musicbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc3cbb44a609c1151317a71c6a95e8bbbce7c07fabc6dcd01b45dbafa3a860a0
[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" "cc3cbb44a609c1151317a71c6a95e8bbbce7c07fabc6dcd01b45dbafa3a860a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc3cbb44a609c1151317a71c6a95e8bbbce7c07fabc6dcd01b45dbafa3a860a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc3cbb44a609c1151317a71c6a95e8bbbce7c07fabc6dcd01b45dbafa3a860a0", kill_on_drop: false }`
[INFO] [stdout] cc3cbb44a609c1151317a71c6a95e8bbbce7c07fabc6dcd01b45dbafa3a860a0
[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=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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95a71a3721aed9f5bdcc5359e9aace51f597e3d99ff132611234a6e8bb466b28
[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" "95a71a3721aed9f5bdcc5359e9aace51f597e3d99ff132611234a6e8bb466b28", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking musicbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `not_found` should have an upper camel case name
[INFO] [stdout]   --> src/musicbox.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     not_found = "Couldn't find the desired item."
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `NotFound`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/musicbox.rs:147:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |             if (Regex::new(r" - ").unwrap().is_match(&nextLine)){
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/musicbox.rs:213:24
[INFO] [stdout]     |
[INFO] [stdout] 213 |       let seconds: u16 = (
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 214 | |       (values[0].parse::<u16>().unwrap() * 60 * 60) +
[INFO] [stdout] 215 | |       (values[1].parse::<u16>().unwrap() * 60) +
[INFO] [stdout] 216 | |       values[2].parse::<u16>().unwrap()
[INFO] [stdout] 217 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 213 |     let seconds: u16 = 
[INFO] [stdout] 214 |       (values[0].parse::<u16>().unwrap() * 60 * 60) +
[INFO] [stdout] 215 |       (values[1].parse::<u16>().unwrap() * 60) +
[INFO] [stdout] 216 |       values[2].parse::<u16>().unwrap()
[INFO] [stdout] 217 |     ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `not_found` should have an upper camel case name
[INFO] [stdout]   --> src/musicbox.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     not_found = "Couldn't find the desired item."
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `NotFound`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/musicbox.rs:147:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |             if (Regex::new(r" - ").unwrap().is_match(&nextLine)){
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/musicbox.rs:213:24
[INFO] [stdout]     |
[INFO] [stdout] 213 |       let seconds: u16 = (
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 214 | |       (values[0].parse::<u16>().unwrap() * 60 * 60) +
[INFO] [stdout] 215 | |       (values[1].parse::<u16>().unwrap() * 60) +
[INFO] [stdout] 216 | |       values[2].parse::<u16>().unwrap()
[INFO] [stdout] 217 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 213 |     let seconds: u16 = 
[INFO] [stdout] 214 |       (values[0].parse::<u16>().unwrap() * 60 * 60) +
[INFO] [stdout] 215 |       (values[1].parse::<u16>().unwrap() * 60) +
[INFO] [stdout] 216 |       values[2].parse::<u16>().unwrap()
[INFO] [stdout] 217 |     ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `artist`
[INFO] [stdout]   --> src/musicbox.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     artist: String,
[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: `getArtist`
[INFO] [stdout]   --> src/musicbox.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn getArtist(&self) -> &str{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getArtist` should have a snake case name
[INFO] [stdout]   --> src/musicbox.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn getArtist(&self) -> &str{
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `get_artist`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `displaySongs` should have a snake case name
[INFO] [stdout]   --> src/musicbox.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn displaySongs(&self){
[INFO] [stdout]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `display_songs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getLength` should have a snake case name
[INFO] [stdout]    --> src/musicbox.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn getLength(&self) -> u16{
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `get_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parseFile` should have a snake case name
[INFO] [stdout]    --> src/musicbox.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn parseFile(&mut self, path: String){
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `parse_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nextLine` should have a snake case name
[INFO] [stdout]    --> src/musicbox.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |             let nextLine: String = line.unwrap();
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `next_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `artist`
[INFO] [stdout]   --> src/musicbox.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     artist: String,
[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: `getArtist`
[INFO] [stdout]   --> src/musicbox.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn getArtist(&self) -> &str{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getArtist` should have a snake case name
[INFO] [stdout]   --> src/musicbox.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn getArtist(&self) -> &str{
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `get_artist`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `displaySongs` should have a snake case name
[INFO] [stdout]   --> src/musicbox.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn displaySongs(&self){
[INFO] [stdout]    |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `display_songs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getLength` should have a snake case name
[INFO] [stdout]    --> src/musicbox.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn getLength(&self) -> u16{
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `get_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parseFile` should have a snake case name
[INFO] [stdout]    --> src/musicbox.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn parseFile(&mut self, path: String){
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `parse_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nextLine` should have a snake case name
[INFO] [stdout]    --> src/musicbox.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |             let nextLine: String = line.unwrap();
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `next_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.82s
[INFO] running `Command { std: "docker" "inspect" "95a71a3721aed9f5bdcc5359e9aace51f597e3d99ff132611234a6e8bb466b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a71a3721aed9f5bdcc5359e9aace51f597e3d99ff132611234a6e8bb466b28", kill_on_drop: false }`
[INFO] [stdout] 95a71a3721aed9f5bdcc5359e9aace51f597e3d99ff132611234a6e8bb466b28
