[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 master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuedeGently%2Fmusicbox" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SuedeGently/musicbox on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded custom_error v1.7.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 16ac23d45d4c24c577dda520738fb6282d541a3c1e8e44d23872eca6bf928852 [INFO] running `Command { std: "docker" "start" "-a" "16ac23d45d4c24c577dda520738fb6282d541a3c1e8e44d23872eca6bf928852", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16ac23d45d4c24c577dda520738fb6282d541a3c1e8e44d23872eca6bf928852", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16ac23d45d4c24c577dda520738fb6282d541a3c1e8e44d23872eca6bf928852", kill_on_drop: false }` [INFO] [stdout] 16ac23d45d4c24c577dda520738fb6282d541a3c1e8e44d23872eca6bf928852 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad8454b83e488252f2f8d208e9edb681e9941de223c6e8838aa86de6b3079ea4 [INFO] running `Command { std: "docker" "start" "-a" "ad8454b83e488252f2f8d208e9edb681e9941de223c6e8838aa86de6b3079ea4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking custom_error v1.7.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [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: the item `str` is imported redundantly [INFO] [stdout] --> src/musicbox.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use str; [INFO] [stdout] | ^^^ the item `str` is already defined by prelude [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] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 147 - if (Regex::new(r" - ").unwrap().is_match(&nextLine)){ [INFO] [stdout] 147 + if Regex::new(r" - ").unwrap().is_match(&nextLine) { [INFO] [stdout] | [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::().unwrap() * 60 * 60) + [INFO] [stdout] | |______^ [INFO] [stdout] 215 | (values[1].parse::().unwrap() * 60) + [INFO] [stdout] 216 | values[2].parse::().unwrap() [INFO] [stdout] | ________________________________________^ [INFO] [stdout] 217 | | ); [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 213 ~ let seconds: u16 = (values[0].parse::().unwrap() * 60 * 60) + [INFO] [stdout] 214 | (values[1].parse::().unwrap() * 60) + [INFO] [stdout] 215 ~ values[2].parse::().unwrap(); [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] [INFO] [stdout] warning: the item `str` is imported redundantly [INFO] [stdout] --> src/musicbox.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use str; [INFO] [stdout] | ^^^ the item `str` is already defined by prelude [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] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 147 - if (Regex::new(r" - ").unwrap().is_match(&nextLine)){ [INFO] [stdout] 147 + if Regex::new(r" - ").unwrap().is_match(&nextLine) { [INFO] [stdout] | [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::().unwrap() * 60 * 60) + [INFO] [stdout] | |______^ [INFO] [stdout] 215 | (values[1].parse::().unwrap() * 60) + [INFO] [stdout] 216 | values[2].parse::().unwrap() [INFO] [stdout] | ________________________________________^ [INFO] [stdout] 217 | | ); [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 213 ~ let seconds: u16 = (values[0].parse::().unwrap() * 60 * 60) + [INFO] [stdout] 214 | (values[1].parse::().unwrap() * 60) + [INFO] [stdout] 215 ~ values[2].parse::().unwrap(); [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] [INFO] [stdout] warning: field `artist` is never read [INFO] [stdout] --> src/musicbox.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 21 | struct Song{ [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 22 | name: String, [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: method `getArtist` is never used [INFO] [stdout] --> src/musicbox.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 66 | impl Album{ [INFO] [stdout] | ---------- method in this implementation [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: field `artist` is never read [INFO] [stdout] --> src/musicbox.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 21 | struct Song{ [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 22 | name: String, [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: method `getArtist` is never used [INFO] [stdout] --> src/musicbox.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 66 | impl Album{ [INFO] [stdout] | ---------- method in this implementation [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: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.68s [INFO] running `Command { std: "docker" "inspect" "ad8454b83e488252f2f8d208e9edb681e9941de223c6e8838aa86de6b3079ea4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad8454b83e488252f2f8d208e9edb681e9941de223c6e8838aa86de6b3079ea4", kill_on_drop: false }` [INFO] [stdout] ad8454b83e488252f2f8d208e9edb681e9941de223c6e8838aa86de6b3079ea4