[INFO] updating cached repository cheezgi/clave
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cheezgi/clave
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cheezgi/clave" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cheezgi/clave"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cheezgi/clave'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cheezgi/clave" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cheezgi/clave"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cheezgi/clave'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9d2fa9972ef7aad2baa5da9e54014d12b7c9050d
[INFO] sha for GitHub repo cheezgi/clave: 9d2fa9972ef7aad2baa5da9e54014d12b7c9050d
[INFO] validating manifest of cheezgi/clave on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cheezgi/clave on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cheezgi/clave
[INFO] finished frobbing cheezgi/clave
[INFO] frobbed toml for cheezgi/clave written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cheezgi/clave/Cargo.toml
[INFO] started frobbing cheezgi/clave
[INFO] finished frobbing cheezgi/clave
[INFO] frobbed toml for cheezgi/clave written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cheezgi/clave/Cargo.toml
[INFO] crate cheezgi/clave already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cheezgi/clave against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-3/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cheezgi/clave:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4819c9b15cf87a9d6d85d12ac0507e5c57d59cee43a0cebcf7ac7771643b479a
[INFO] running `"docker" "start" "-a" "4819c9b15cf87a9d6d85d12ac0507e5c57d59cee43a0cebcf7ac7771643b479a"`
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]     Checking alsa v0.1.10
[INFO] [stderr]     Checking midir v0.4.0
[INFO] [stderr]     Checking clave v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Beat`, `Note`
[INFO] [stderr]  --> src/main.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 | use clave::music::{Beat, Note};
[INFO] [stderr]   |                    ^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn run() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Beat`, `Note`
[INFO] [stderr]  --> src/main.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 | use clave::music::{Beat, Note};
[INFO] [stderr]   |                    ^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn run() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> src/main.rs:84:31
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 Message::Rest(l) => {
[INFO] [stderr]    |                               ^ help: consider prefixing with an underscore: `_l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> src/main.rs:84:31
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 Message::Rest(l) => {
[INFO] [stderr]    |                               ^ help: consider prefixing with an underscore: `_l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:77:25
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         conn_out.send(&[NOTE_ON_MSG, note.pitch(), note.velocity()]);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:81:25
[INFO] [stderr]    |
[INFO] [stderr] 81 |                         conn_out.send(&[NOTE_OFF_MSG, note.pitch(), note.velocity()]);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:77:25
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         conn_out.send(&[NOTE_ON_MSG, note.pitch(), note.velocity()]);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:81:25
[INFO] [stderr]    |
[INFO] [stderr] 81 |                         conn_out.send(&[NOTE_OFF_MSG, note.pitch(), note.velocity()]);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `"docker" "inspect" "4819c9b15cf87a9d6d85d12ac0507e5c57d59cee43a0cebcf7ac7771643b479a"`
[INFO] running `"docker" "rm" "-f" "4819c9b15cf87a9d6d85d12ac0507e5c57d59cee43a0cebcf7ac7771643b479a"`
[INFO] [stdout] 4819c9b15cf87a9d6d85d12ac0507e5c57d59cee43a0cebcf7ac7771643b479a