[INFO] updating cached repository 23prime/follow-list
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/23prime/follow-list
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/23prime/follow-list" "work/ex/beta-1.38-1/sources/1.37.0/gh/23prime/follow-list"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/23prime/follow-list'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/23prime/follow-list" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/23prime/follow-list"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/23prime/follow-list'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ed80b47a9aa35d47c8e32c2f0994b718d3928ac
[INFO] sha for GitHub repo 23prime/follow-list: 4ed80b47a9aa35d47c8e32c2f0994b718d3928ac
[INFO] validating manifest of 23prime/follow-list on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 23prime/follow-list on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 23prime/follow-list
[INFO] finished frobbing 23prime/follow-list
[INFO] frobbed toml for 23prime/follow-list written to work/ex/beta-1.38-1/sources/1.37.0/gh/23prime/follow-list/Cargo.toml
[INFO] started frobbing 23prime/follow-list
[INFO] finished frobbing 23prime/follow-list
[INFO] frobbed toml for 23prime/follow-list written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/23prime/follow-list/Cargo.toml
[INFO] crate 23prime/follow-list already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing 23prime/follow-list against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/23prime/follow-list:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] dd3dce0bef4b20b90fd9fb3c6329d27b27d04cbe75d1db1340c2cf13ccd0e108
[INFO] running `"docker" "start" "-a" "dd3dce0bef4b20b90fd9fb3c6329d27b27d04cbe75d1db1340c2cf13ccd0e108"`
[INFO] [stderr]    Compiling tokio-sync v0.1.1
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling generic-array v0.8.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling crypto-mac v0.4.0
[INFO] [stderr]    Compiling digest v0.6.2
[INFO] [stderr]    Compiling sha-1 v0.4.1
[INFO] [stderr]    Compiling hmac v0.4.2
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio-fs v0.1.5
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling hyper-tls v0.1.4
[INFO] [stderr]    Compiling egg-mode v0.12.0
[INFO] [stderr]    Compiling follow-list v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.53s
[INFO] running `"docker" "inspect" "dd3dce0bef4b20b90fd9fb3c6329d27b27d04cbe75d1db1340c2cf13ccd0e108"`
[INFO] running `"docker" "rm" "-f" "dd3dce0bef4b20b90fd9fb3c6329d27b27d04cbe75d1db1340c2cf13ccd0e108"`
[INFO] [stdout] dd3dce0bef4b20b90fd9fb3c6329d27b27d04cbe75d1db1340c2cf13ccd0e108
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/23prime/follow-list:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 79c932020cc2df8766978ee5ee86c4a9974187d5c0ff07d3a01511d5860ca8cb
[INFO] running `"docker" "start" "-a" "79c932020cc2df8766978ee5ee86c4a9974187d5c0ff07d3a01511d5860ca8cb"`
[INFO] [stderr]    Compiling follow-list v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `"docker" "inspect" "79c932020cc2df8766978ee5ee86c4a9974187d5c0ff07d3a01511d5860ca8cb"`
[INFO] running `"docker" "rm" "-f" "79c932020cc2df8766978ee5ee86c4a9974187d5c0ff07d3a01511d5860ca8cb"`
[INFO] [stdout] 79c932020cc2df8766978ee5ee86c4a9974187d5c0ff07d3a01511d5860ca8cb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/23prime/follow-list:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e6c71c697e8f18152e67791a444995b836bf47a02be64bbb8dc1e84931654b63
[INFO] running `"docker" "start" "-a" "e6c71c697e8f18152e67791a444995b836bf47a02be64bbb8dc1e84931654b63"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/follow_list-7e1524b8e910a4fa
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e6c71c697e8f18152e67791a444995b836bf47a02be64bbb8dc1e84931654b63"`
[INFO] running `"docker" "rm" "-f" "e6c71c697e8f18152e67791a444995b836bf47a02be64bbb8dc1e84931654b63"`
[INFO] [stdout] e6c71c697e8f18152e67791a444995b836bf47a02be64bbb8dc1e84931654b63