[INFO] updating cached repository blt/bughunt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/blt/bughunt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/blt/bughunt" "work/ex/beta-1.37-6/sources/1.36.0/gh/blt/bughunt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/blt/bughunt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/blt/bughunt" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/blt/bughunt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/blt/bughunt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b3ef9d7d7db618f3d1126cebe74d0fa9b4cc6425
[INFO] sha for GitHub repo blt/bughunt: b3ef9d7d7db618f3d1126cebe74d0fa9b4cc6425
[INFO] validating manifest of blt/bughunt on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of blt/bughunt on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing blt/bughunt
[INFO] finished frobbing blt/bughunt
[INFO] frobbed toml for blt/bughunt written to work/ex/beta-1.37-6/sources/1.36.0/gh/blt/bughunt/Cargo.toml
[INFO] started frobbing blt/bughunt
[INFO] finished frobbing blt/bughunt
[INFO] frobbed toml for blt/bughunt written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/blt/bughunt/Cargo.toml
[INFO] crate blt/bughunt already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing blt/bughunt against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/blt/bughunt:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] c8903159c95baeed66192c911110da376e192ba4dbd077736c1d0a723c595b03
[INFO] running `"docker" "start" "-a" "c8903159c95baeed66192c911110da376e192ba4dbd077736c1d0a723c595b03"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling bughunt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.29s
[INFO] running `"docker" "inspect" "c8903159c95baeed66192c911110da376e192ba4dbd077736c1d0a723c595b03"`
[INFO] running `"docker" "rm" "-f" "c8903159c95baeed66192c911110da376e192ba4dbd077736c1d0a723c595b03"`
[INFO] [stdout] c8903159c95baeed66192c911110da376e192ba4dbd077736c1d0a723c595b03
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/blt/bughunt:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5b1bd5fe996d831e3cff4d1c30fff91c993c715c65d1f6bbe36d6754822deb15
[INFO] running `"docker" "start" "-a" "5b1bd5fe996d831e3cff4d1c30fff91c993c715c65d1f6bbe36d6754822deb15"`
[INFO] [stderr]    Compiling bughunt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "5b1bd5fe996d831e3cff4d1c30fff91c993c715c65d1f6bbe36d6754822deb15"`
[INFO] running `"docker" "rm" "-f" "5b1bd5fe996d831e3cff4d1c30fff91c993c715c65d1f6bbe36d6754822deb15"`
[INFO] [stdout] 5b1bd5fe996d831e3cff4d1c30fff91c993c715c65d1f6bbe36d6754822deb15
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/blt/bughunt:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 68d2bd27ae1e459788d865bafb315de0aa81515274b0034b2abb3d8508f36f8a
[INFO] running `"docker" "start" "-a" "68d2bd27ae1e459788d865bafb315de0aa81515274b0034b2abb3d8508f36f8a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bughunt-e8befb47c81d4026
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_bughunt-07af3d1a9562cab2
[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] [stderr]    Doc-tests bughunt
[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] [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" "68d2bd27ae1e459788d865bafb315de0aa81515274b0034b2abb3d8508f36f8a"`
[INFO] running `"docker" "rm" "-f" "68d2bd27ae1e459788d865bafb315de0aa81515274b0034b2abb3d8508f36f8a"`
[INFO] [stdout] 68d2bd27ae1e459788d865bafb315de0aa81515274b0034b2abb3d8508f36f8a