[INFO] updating cached repository robcampbell79/pythagorean_triples
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/robcampbell79/pythagorean_triples
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/robcampbell79/pythagorean_triples" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/robcampbell79/pythagorean_triples"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/robcampbell79/pythagorean_triples'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/robcampbell79/pythagorean_triples" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/robcampbell79/pythagorean_triples"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/robcampbell79/pythagorean_triples'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dbbd855adeb5df444d5c3958ae075dcb85ed1ee1
[INFO] sha for GitHub repo robcampbell79/pythagorean_triples: dbbd855adeb5df444d5c3958ae075dcb85ed1ee1
[INFO] validating manifest of robcampbell79/pythagorean_triples on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of robcampbell79/pythagorean_triples on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing robcampbell79/pythagorean_triples
[INFO] finished frobbing robcampbell79/pythagorean_triples
[INFO] frobbed toml for robcampbell79/pythagorean_triples written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/robcampbell79/pythagorean_triples/Cargo.toml
[INFO] started frobbing robcampbell79/pythagorean_triples
[INFO] finished frobbing robcampbell79/pythagorean_triples
[INFO] frobbed toml for robcampbell79/pythagorean_triples written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/robcampbell79/pythagorean_triples/Cargo.toml
[INFO] crate robcampbell79/pythagorean_triples already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking robcampbell79/pythagorean_triples against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/robcampbell79/pythagorean_triples:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bd3c08fc96ac896ab5ff1f4c23f4d6bb586c918d52ec0049fd433f9b229bfdfa
[INFO] running `"docker" "start" "-a" "bd3c08fc96ac896ab5ff1f4c23f4d6bb586c918d52ec0049fd433f9b229bfdfa"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking pythagorean_triples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]  --> src/pyt.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut x: u64 = 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 `y` is never read
[INFO] [stderr]  --> src/pyt.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut y: u64 = 0;
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `z` is never read
[INFO] [stderr]  --> src/pyt.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut z: u64 = 0;
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]  --> src/pyt.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut x: u64 = 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 `y` is never read
[INFO] [stderr]  --> src/pyt.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut y: u64 = 0;
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `z` is never read
[INFO] [stderr]  --> src/pyt.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut z: u64 = 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 1.40s
[INFO] running `"docker" "inspect" "bd3c08fc96ac896ab5ff1f4c23f4d6bb586c918d52ec0049fd433f9b229bfdfa"`
[INFO] running `"docker" "rm" "-f" "bd3c08fc96ac896ab5ff1f4c23f4d6bb586c918d52ec0049fd433f9b229bfdfa"`
[INFO] [stdout] bd3c08fc96ac896ab5ff1f4c23f4d6bb586c918d52ec0049fd433f9b229bfdfa