[INFO] updating cached repository RockyTV/bhaskara-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RockyTV/bhaskara-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RockyTV/bhaskara-rs" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/RockyTV/bhaskara-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/RockyTV/bhaskara-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RockyTV/bhaskara-rs" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/RockyTV/bhaskara-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/RockyTV/bhaskara-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9b691c2b8949e85ffdd41ed9590c5d7e88700c96
[INFO] sha for GitHub repo RockyTV/bhaskara-rs: 9b691c2b8949e85ffdd41ed9590c5d7e88700c96
[INFO] validating manifest of RockyTV/bhaskara-rs on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of RockyTV/bhaskara-rs on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing RockyTV/bhaskara-rs
[INFO] finished frobbing RockyTV/bhaskara-rs
[INFO] frobbed toml for RockyTV/bhaskara-rs written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/RockyTV/bhaskara-rs/Cargo.toml
[INFO] started frobbing RockyTV/bhaskara-rs
[INFO] finished frobbing RockyTV/bhaskara-rs
[INFO] frobbed toml for RockyTV/bhaskara-rs written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/RockyTV/bhaskara-rs/Cargo.toml
[INFO] crate RockyTV/bhaskara-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/RockyTV/bhaskara-rs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking RockyTV/bhaskara-rs against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-2/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/RockyTV/bhaskara-rs:/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d8a61b716a53b167360d506c83f0b0a95fb83b5e3eb84a0ed9aa7b425358d268
[INFO] running `"docker" "start" "-a" "d8a61b716a53b167360d506c83f0b0a95fb83b5e3eb84a0ed9aa7b425358d268"`
[INFO] [stderr]     Checking bhaskara v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `x1` is never read
[INFO] [stderr]   --> src/main.rs:43:14
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let (mut x1, mut x2): (i32, i32) = (0, 0);
[INFO] [stderr]    |              ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x2` is never read
[INFO] [stderr]   --> src/main.rs:43:22
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let (mut x1, mut x2): (i32, i32) = (0, 0);
[INFO] [stderr]    |                      ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x1` is never read
[INFO] [stderr]   --> src/main.rs:43:14
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let (mut x1, mut x2): (i32, i32) = (0, 0);
[INFO] [stderr]    |              ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x2` is never read
[INFO] [stderr]   --> src/main.rs:43:22
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let (mut x1, mut x2): (i32, i32) = (0, 0);
[INFO] [stderr]    |                      ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "d8a61b716a53b167360d506c83f0b0a95fb83b5e3eb84a0ed9aa7b425358d268"`
[INFO] running `"docker" "rm" "-f" "d8a61b716a53b167360d506c83f0b0a95fb83b5e3eb84a0ed9aa7b425358d268"`
[INFO] [stdout] d8a61b716a53b167360d506c83f0b0a95fb83b5e3eb84a0ed9aa7b425358d268