[INFO] updating cached repository gnunicorn/clippy-service
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gnunicorn/clippy-service
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gnunicorn/clippy-service" "work/ex/clippy-test-run/sources/stable/gh/gnunicorn/clippy-service"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/gnunicorn/clippy-service'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gnunicorn/clippy-service" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/gnunicorn/clippy-service"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/gnunicorn/clippy-service'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ecbaadcececfaf567fba53a1352a7d297b98d52
[INFO] sha for GitHub repo gnunicorn/clippy-service: 6ecbaadcececfaf567fba53a1352a7d297b98d52
[INFO] validating manifest of gnunicorn/clippy-service on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gnunicorn/clippy-service on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gnunicorn/clippy-service
[INFO] finished frobbing gnunicorn/clippy-service
[INFO] frobbed toml for gnunicorn/clippy-service written to work/ex/clippy-test-run/sources/stable/gh/gnunicorn/clippy-service/Cargo.toml
[INFO] started frobbing gnunicorn/clippy-service
[INFO] finished frobbing gnunicorn/clippy-service
[INFO] frobbed toml for gnunicorn/clippy-service written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/gnunicorn/clippy-service/Cargo.toml
[INFO] crate gnunicorn/clippy-service has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/Manishearth/rust-clippy`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for `matches`.
[INFO] [stderr]     ... required by package `clippy_lints v0.0.212 (https://github.com/Manishearth/rust-clippy#410d5ba6)`
[INFO] [stderr]     ... which is depended on by `clippy v0.0.212 (https://github.com/Manishearth/rust-clippy#410d5ba6)`
[INFO] [stderr]     ... which is depended on by `clippy_service v1.0.0 (/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/gnunicorn/clippy-service)`
[INFO] [stderr] versions that meet the requirements `^0.1.7` are: 0.1.8, 0.1.7
[INFO] [stderr] 
[INFO] [stderr] all possible versions conflict with previously selected packages.
[INFO] [stderr] 
[INFO] [stderr]   previously selected package `matches v0.1.2`
[INFO] [stderr]     ... which is depended on by `url v0.2.38`
[INFO] [stderr]     ... which is depended on by `urlencoded v0.2.1`
[INFO] [stderr]     ... which is depended on by `clippy_service v1.0.0 (/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/gnunicorn/clippy-service)`
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `matches` which could resolve this conflict
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed