[INFO] updating cached repository CallumHoward/walker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CallumHoward/walker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CallumHoward/walker" "work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/CallumHoward/walker"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/CallumHoward/walker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CallumHoward/walker" "work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/CallumHoward/walker"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/CallumHoward/walker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 520ce48eee602ad01de6343e4fa1b5916ce0b900
[INFO] sha for GitHub repo CallumHoward/walker: 520ce48eee602ad01de6343e4fa1b5916ce0b900
[INFO] validating manifest of CallumHoward/walker on toolchain master#003382e4150984cb476047b3925edf8d75df2d59
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CallumHoward/walker on toolchain try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CallumHoward/walker
[INFO] finished frobbing CallumHoward/walker
[INFO] frobbed toml for CallumHoward/walker written to work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/CallumHoward/walker/Cargo.toml
[INFO] started frobbing CallumHoward/walker
[INFO] finished frobbing CallumHoward/walker
[INFO] frobbed toml for CallumHoward/walker written to work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/CallumHoward/walker/Cargo.toml
[INFO] crate CallumHoward/walker already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking CallumHoward/walker against try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00 for pr-59527
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59527/worker-0/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/CallumHoward/walker:/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" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a4b7b8429fdc42e019a62cd324eaf3106b76f734cf27735482636c07a6ff5ce4
[INFO] running `"docker" "start" "-a" "a4b7b8429fdc42e019a62cd324eaf3106b76f734cf27735482636c07a6ff5ce4"`
[INFO] [stderr]     Checking globset v0.2.0
[INFO] [stderr]     Checking ignore v0.2.0
[INFO] [stderr]     Checking walker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `"docker" "inspect" "a4b7b8429fdc42e019a62cd324eaf3106b76f734cf27735482636c07a6ff5ce4"`
[INFO] running `"docker" "rm" "-f" "a4b7b8429fdc42e019a62cd324eaf3106b76f734cf27735482636c07a6ff5ce4"`
[INFO] [stdout] a4b7b8429fdc42e019a62cd324eaf3106b76f734cf27735482636c07a6ff5ce4