[INFO] updating cached repository shockham/cuo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shockham/cuo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shockham/cuo" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/shockham/cuo"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/shockham/cuo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shockham/cuo" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/shockham/cuo"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/shockham/cuo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] de7d9a7390f927f4bd5011c7a87542cc673e7243
[INFO] sha for GitHub repo shockham/cuo: de7d9a7390f927f4bd5011c7a87542cc673e7243
[INFO] validating manifest of shockham/cuo 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 shockham/cuo 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 shockham/cuo
[INFO] finished frobbing shockham/cuo
[INFO] frobbed toml for shockham/cuo written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/shockham/cuo/Cargo.toml
[INFO] started frobbing shockham/cuo
[INFO] finished frobbing shockham/cuo
[INFO] frobbed toml for shockham/cuo written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/shockham/cuo/Cargo.toml
[INFO] crate shockham/cuo 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking shockham/cuo against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-4/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/shockham/cuo:/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" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] afea71ff0b855fbbfa3194f3a9f6db886c2895766d67e53ec15629d1f304fb4e
[INFO] running `"docker" "start" "-a" "afea71ff0b855fbbfa3194f3a9f6db886c2895766d67e53ec15629d1f304fb4e"`
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]     Checking home v0.3.4
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.1
[INFO] [stderr]    Compiling curl-sys v0.4.18
[INFO] [stderr]     Checking filetime v0.2.6
[INFO] [stderr]     Checking dirs-sys v0.3.3
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking jobserver v0.1.13
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking openssl v0.10.23
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking dirs v2.0.1
[INFO] [stderr]     Checking globset v0.4.3
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking tempfile v3.0.8
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking ignore v0.4.7
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking opener v0.3.2
[INFO] [stderr]     Checking crypto-hash v0.3.3
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling im-rc v12.3.4
[INFO] [stderr]     Checking rustfix v0.4.5
[INFO] [stderr]     Checking crates-io v0.23.0
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking git2-curl v0.9.0
[INFO] [stderr]     Checking cargo v0.35.0
[INFO] [stderr]     Checking cuo v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] running `"docker" "inspect" "afea71ff0b855fbbfa3194f3a9f6db886c2895766d67e53ec15629d1f304fb4e"`
[INFO] running `"docker" "rm" "-f" "afea71ff0b855fbbfa3194f3a9f6db886c2895766d67e53ec15629d1f304fb4e"`
[INFO] [stdout] afea71ff0b855fbbfa3194f3a9f6db886c2895766d67e53ec15629d1f304fb4e