[INFO] updating cached repository tommilligan/protov
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tommilligan/protov
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tommilligan/protov" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/tommilligan/protov"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/tommilligan/protov'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tommilligan/protov" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/tommilligan/protov"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/tommilligan/protov'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2ebe78b9483b2763f4017908b5fb5ec946c7974
[INFO] sha for GitHub repo tommilligan/protov: c2ebe78b9483b2763f4017908b5fb5ec946c7974
[INFO] validating manifest of tommilligan/protov on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tommilligan/protov on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tommilligan/protov
[INFO] removed workspace from tommilligan/protov
[INFO] finished frobbing tommilligan/protov
[INFO] frobbed toml for tommilligan/protov written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/tommilligan/protov/Cargo.toml
[INFO] started frobbing tommilligan/protov
[INFO] removed workspace from tommilligan/protov
[INFO] finished frobbing tommilligan/protov
[INFO] frobbed toml for tommilligan/protov written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/tommilligan/protov/Cargo.toml
[INFO] crate tommilligan/protov already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/tommilligan/protov/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/tommilligan/hexyl`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/tommilligan/hexyl`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tommilligan/protov against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-1/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/tommilligan/protov:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 40ea5577330a7450dfe321a1aa066ebca4459322be78e15a4e63085f4d70aae6
[INFO] running `"docker" "start" "-a" "40ea5577330a7450dfe321a1aa066ebca4459322be78e15a4e63085f4d70aae6"`
[INFO] [stderr]    Compiling protobuf v2.8.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking erased_serde_json v0.1.1
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking serde-protobuf v0.8.1
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking hexyl v0.5.1 (https://github.com/tommilligan/hexyl?branch=lib#5ffeb919)
[INFO] [stderr]     Checking protov v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.51s
[INFO] running `"docker" "inspect" "40ea5577330a7450dfe321a1aa066ebca4459322be78e15a4e63085f4d70aae6"`
[INFO] running `"docker" "rm" "-f" "40ea5577330a7450dfe321a1aa066ebca4459322be78e15a4e63085f4d70aae6"`
[INFO] [stdout] 40ea5577330a7450dfe321a1aa066ebca4459322be78e15a4e63085f4d70aae6