[INFO] updating cached repository jonastepe/petgraph-examples
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jonastepe/petgraph-examples
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jonastepe/petgraph-examples" "work/ex/beta-1.38-1/sources/1.37.0/gh/jonastepe/petgraph-examples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jonastepe/petgraph-examples'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jonastepe/petgraph-examples" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonastepe/petgraph-examples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonastepe/petgraph-examples'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f37b3a0f33a67da6f6ace3516bd88e160ac149dc
[INFO] sha for GitHub repo jonastepe/petgraph-examples: f37b3a0f33a67da6f6ace3516bd88e160ac149dc
[INFO] validating manifest of jonastepe/petgraph-examples 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 jonastepe/petgraph-examples 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 jonastepe/petgraph-examples
[INFO] removed path dependency petgraph from jonastepe/petgraph-examples
[INFO] finished frobbing jonastepe/petgraph-examples
[INFO] frobbed toml for jonastepe/petgraph-examples written to work/ex/beta-1.38-1/sources/1.37.0/gh/jonastepe/petgraph-examples/Cargo.toml
[INFO] started frobbing jonastepe/petgraph-examples
[INFO] removed path dependency petgraph from jonastepe/petgraph-examples
[INFO] finished frobbing jonastepe/petgraph-examples
[INFO] frobbed toml for jonastepe/petgraph-examples written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonastepe/petgraph-examples/Cargo.toml
[INFO] crate jonastepe/petgraph-examples 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jonastepe/petgraph-examples/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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 jonastepe/petgraph-examples against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonastepe/petgraph-examples:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 728fdfd7eb7cc3cd0e3d60b365430ddb06ea8b234ed517e0b97780c327fd9e3b
[INFO] running `"docker" "start" "-a" "728fdfd7eb7cc3cd0e3d60b365430ddb06ea8b234ed517e0b97780c327fd9e3b"`
[INFO] [stderr] warning: dependency (petgraph) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling petgraph-examples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "728fdfd7eb7cc3cd0e3d60b365430ddb06ea8b234ed517e0b97780c327fd9e3b"`
[INFO] running `"docker" "rm" "-f" "728fdfd7eb7cc3cd0e3d60b365430ddb06ea8b234ed517e0b97780c327fd9e3b"`
[INFO] [stdout] 728fdfd7eb7cc3cd0e3d60b365430ddb06ea8b234ed517e0b97780c327fd9e3b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonastepe/petgraph-examples:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 57e7d89b5a1ec37b8855c779b82a93fdbf40c4f87d26bdded89a7d8d051829d4
[INFO] running `"docker" "start" "-a" "57e7d89b5a1ec37b8855c779b82a93fdbf40c4f87d26bdded89a7d8d051829d4"`
[INFO] [stderr] warning: dependency (petgraph) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling petgraph-examples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "57e7d89b5a1ec37b8855c779b82a93fdbf40c4f87d26bdded89a7d8d051829d4"`
[INFO] running `"docker" "rm" "-f" "57e7d89b5a1ec37b8855c779b82a93fdbf40c4f87d26bdded89a7d8d051829d4"`
[INFO] [stdout] 57e7d89b5a1ec37b8855c779b82a93fdbf40c4f87d26bdded89a7d8d051829d4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jonastepe/petgraph-examples:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 6822f350ecfe28fb416a92852e4015660a10bfb3be40853cae78e7a63ff0a86a
[INFO] running `"docker" "start" "-a" "6822f350ecfe28fb416a92852e4015660a10bfb3be40853cae78e7a63ff0a86a"`
[INFO] [stderr] warning: dependency (petgraph) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/petgraph_examples-63b698f400161aea
[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" "6822f350ecfe28fb416a92852e4015660a10bfb3be40853cae78e7a63ff0a86a"`
[INFO] running `"docker" "rm" "-f" "6822f350ecfe28fb416a92852e4015660a10bfb3be40853cae78e7a63ff0a86a"`
[INFO] [stdout] 6822f350ecfe28fb416a92852e4015660a10bfb3be40853cae78e7a63ff0a86a