[INFO] updating cached repository https://github.com/lrssnn/chord_generator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 872dcf33be3eada3f7c05de67120bd066b496f78
[INFO] checking lrssnn/chord_generator against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flrssnn%2Fchord_generator" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lrssnn/chord_generator on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lrssnn/chord_generator
[INFO] finished tweaking git repo https://github.com/lrssnn/chord_generator
[INFO] tweaked toml for git repo https://github.com/lrssnn/chord_generator written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/lrssnn/chord_generator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 98ed7561f8480ff6e18fad741c9fc5d8163be7dbbb60c1465154d81b4d486601
[INFO] running `"docker" "start" "-a" "98ed7561f8480ff6e18fad741c9fc5d8163be7dbbb60c1465154d81b4d486601"`
[INFO] [stderr]     Checking chord_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `letter`
[INFO] [stderr]   --> src/note.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn letter(&self, flat:bool) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `major_scale`
[INFO] [stderr]   --> src/main.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn major_scale(r: Note) -> Vec<Note> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_flat_scale`
[INFO] [stderr]   --> src/main.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn is_flat_scale(scale: &Vec<Note>) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `letter`
[INFO] [stderr]   --> src/note.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn letter(&self, flat:bool) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `major_scale`
[INFO] [stderr]   --> src/main.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn major_scale(r: Note) -> Vec<Note> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_flat_scale`
[INFO] [stderr]   --> src/main.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn is_flat_scale(scale: &Vec<Note>) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "98ed7561f8480ff6e18fad741c9fc5d8163be7dbbb60c1465154d81b4d486601"`
[INFO] running `"docker" "rm" "-f" "98ed7561f8480ff6e18fad741c9fc5d8163be7dbbb60c1465154d81b4d486601"`
[INFO] [stdout] 98ed7561f8480ff6e18fad741c9fc5d8163be7dbbb60c1465154d81b4d486601