[INFO] updating cached repository panicbit/boggle
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/panicbit/boggle
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/panicbit/boggle" "work/ex/beta-1.37-6/sources/1.36.0/gh/panicbit/boggle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/panicbit/boggle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/panicbit/boggle" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/panicbit/boggle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/panicbit/boggle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 224d4dfac74fc95815886c6444d0fff9346781c4
[INFO] sha for GitHub repo panicbit/boggle: 224d4dfac74fc95815886c6444d0fff9346781c4
[INFO] validating manifest of panicbit/boggle 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 panicbit/boggle 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 panicbit/boggle
[INFO] removed workspace from panicbit/boggle
[INFO] finished frobbing panicbit/boggle
[INFO] frobbed toml for panicbit/boggle written to work/ex/beta-1.37-6/sources/1.36.0/gh/panicbit/boggle/Cargo.toml
[INFO] started frobbing panicbit/boggle
[INFO] removed workspace from panicbit/boggle
[INFO] finished frobbing panicbit/boggle
[INFO] frobbed toml for panicbit/boggle written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/panicbit/boggle/Cargo.toml
[INFO] crate panicbit/boggle 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/panicbit/boggle/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 panicbit/boggle 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-6/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/panicbit/boggle:/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] 564d6d7d82aace6b1a1c37767d8a93fe6d1f300fbf4c2614a7d7a9ffcc118ed2
[INFO] running `"docker" "start" "-a" "564d6d7d82aace6b1a1c37767d8a93fe6d1f300fbf4c2614a7d7a9ffcc118ed2"`
[INFO] [stderr]    Compiling sequence_trie v0.3.6
[INFO] [stderr]    Compiling bitstream-io v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling boggle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.99s
[INFO] running `"docker" "inspect" "564d6d7d82aace6b1a1c37767d8a93fe6d1f300fbf4c2614a7d7a9ffcc118ed2"`
[INFO] running `"docker" "rm" "-f" "564d6d7d82aace6b1a1c37767d8a93fe6d1f300fbf4c2614a7d7a9ffcc118ed2"`
[INFO] [stdout] 564d6d7d82aace6b1a1c37767d8a93fe6d1f300fbf4c2614a7d7a9ffcc118ed2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/panicbit/boggle:/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] 980cca4c1444a8a5c53a2a3c5ba04641c81add11cd57546fc8cc3283b2b9ad6b
[INFO] running `"docker" "start" "-a" "980cca4c1444a8a5c53a2a3c5ba04641c81add11cd57546fc8cc3283b2b9ad6b"`
[INFO] [stderr]    Compiling boggle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "980cca4c1444a8a5c53a2a3c5ba04641c81add11cd57546fc8cc3283b2b9ad6b"`
[INFO] running `"docker" "rm" "-f" "980cca4c1444a8a5c53a2a3c5ba04641c81add11cd57546fc8cc3283b2b9ad6b"`
[INFO] [stdout] 980cca4c1444a8a5c53a2a3c5ba04641c81add11cd57546fc8cc3283b2b9ad6b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/panicbit/boggle:/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] c1136cf3d598de82a2d9d4667c193360f9f52dbeed3344ee2206304ac7638b1e
[INFO] running `"docker" "start" "-a" "c1136cf3d598de82a2d9d4667c193360f9f52dbeed3344ee2206304ac7638b1e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/boggle-9a26281468d8bf5c
[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 boggle
[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" "c1136cf3d598de82a2d9d4667c193360f9f52dbeed3344ee2206304ac7638b1e"`
[INFO] running `"docker" "rm" "-f" "c1136cf3d598de82a2d9d4667c193360f9f52dbeed3344ee2206304ac7638b1e"`
[INFO] [stdout] c1136cf3d598de82a2d9d4667c193360f9f52dbeed3344ee2206304ac7638b1e