[INFO] updating cached repository CircuitCoder/denigma
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CircuitCoder/denigma
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CircuitCoder/denigma" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/CircuitCoder/denigma"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/CircuitCoder/denigma'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CircuitCoder/denigma" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/CircuitCoder/denigma"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/CircuitCoder/denigma'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca49254e524e111e49e3c07c4bdfd7c0de81515e
[INFO] sha for GitHub repo CircuitCoder/denigma: ca49254e524e111e49e3c07c4bdfd7c0de81515e
[INFO] validating manifest of CircuitCoder/denigma on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CircuitCoder/denigma on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CircuitCoder/denigma
[INFO] finished frobbing CircuitCoder/denigma
[INFO] frobbed toml for CircuitCoder/denigma written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/CircuitCoder/denigma/Cargo.toml
[INFO] started frobbing CircuitCoder/denigma
[INFO] finished frobbing CircuitCoder/denigma
[INFO] frobbed toml for CircuitCoder/denigma written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/CircuitCoder/denigma/Cargo.toml
[INFO] crate CircuitCoder/denigma already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking CircuitCoder/denigma against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-1/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/CircuitCoder/denigma:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] abb7be290fd820478900cbbe29ce4176bbe74d2d6af40ba45f53f83a43771cb4
[INFO] running `"docker" "start" "-a" "abb7be290fd820478900cbbe29ce4176bbe74d2d6af40ba45f53f83a43771cb4"`
[INFO] [stderr]     Checking serde v1.0.90
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking denigma v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `spigots`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     spigots: Option<usize>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:195:5
[INFO] [stderr]     |
[INFO] [stderr] 195 | /     thread::spawn(move || {
[INFO] [stderr] 196 | |         let mut counter = 0;
[INFO] [stderr] 197 | |         let mut milestone = 1000;
[INFO] [stderr] 198 | |         for a in 0..5 {
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |         println!("Finished: {}", counter);
[INFO] [stderr] 232 | |     }).join();
[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: field is never used: `spigots`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     spigots: Option<usize>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:195:5
[INFO] [stderr]     |
[INFO] [stderr] 195 | /     thread::spawn(move || {
[INFO] [stderr] 196 | |         let mut counter = 0;
[INFO] [stderr] 197 | |         let mut milestone = 1000;
[INFO] [stderr] 198 | |         for a in 0..5 {
[INFO] [stderr] ...   |
[INFO] [stderr] 231 | |         println!("Finished: {}", counter);
[INFO] [stderr] 232 | |     }).join();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 18.05s
[INFO] running `"docker" "inspect" "abb7be290fd820478900cbbe29ce4176bbe74d2d6af40ba45f53f83a43771cb4"`
[INFO] running `"docker" "rm" "-f" "abb7be290fd820478900cbbe29ce4176bbe74d2d6af40ba45f53f83a43771cb4"`
[INFO] [stdout] abb7be290fd820478900cbbe29ce4176bbe74d2d6af40ba45f53f83a43771cb4