[INFO] updating cached repository mneumann/graph-similarity-cmd
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mneumann/graph-similarity-cmd
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mneumann/graph-similarity-cmd" "work/ex/beta-1.38-1/sources/1.37.0/gh/mneumann/graph-similarity-cmd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mneumann/graph-similarity-cmd'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mneumann/graph-similarity-cmd" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mneumann/graph-similarity-cmd"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mneumann/graph-similarity-cmd'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 897c11c0bded737266fb5e7823892da9e4a5b46c
[INFO] sha for GitHub repo mneumann/graph-similarity-cmd: 897c11c0bded737266fb5e7823892da9e4a5b46c
[INFO] validating manifest of mneumann/graph-similarity-cmd 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 mneumann/graph-similarity-cmd 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 mneumann/graph-similarity-cmd
[INFO] finished frobbing mneumann/graph-similarity-cmd
[INFO] frobbed toml for mneumann/graph-similarity-cmd written to work/ex/beta-1.38-1/sources/1.37.0/gh/mneumann/graph-similarity-cmd/Cargo.toml
[INFO] started frobbing mneumann/graph-similarity-cmd
[INFO] finished frobbing mneumann/graph-similarity-cmd
[INFO] frobbed toml for mneumann/graph-similarity-cmd written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mneumann/graph-similarity-cmd/Cargo.toml
[INFO] crate mneumann/graph-similarity-cmd 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mneumann/graph-similarity-cmd/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[INFO] the lockfile is outdated, regenerating it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 mneumann/graph-similarity-cmd 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mneumann/graph-similarity-cmd:/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] 78fadcb1c9a137456b81788743ab09a157bb0219f1c7f8e9b9b93e858a180359
[INFO] running `"docker" "start" "-a" "78fadcb1c9a137456b81788743ab09a157bb0219f1c7f8e9b9b93e858a180359"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling asexp v0.3.2
[INFO] [stderr]    Compiling munkres v0.3.0
[INFO] [stderr]    Compiling graph-neighbor-matching v0.6.2
[INFO] [stderr]    Compiling graph-io-gml v0.1.1
[INFO] [stderr]    Compiling graph-similarity-cmd v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `"docker" "inspect" "78fadcb1c9a137456b81788743ab09a157bb0219f1c7f8e9b9b93e858a180359"`
[INFO] running `"docker" "rm" "-f" "78fadcb1c9a137456b81788743ab09a157bb0219f1c7f8e9b9b93e858a180359"`
[INFO] [stdout] 78fadcb1c9a137456b81788743ab09a157bb0219f1c7f8e9b9b93e858a180359
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mneumann/graph-similarity-cmd:/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] 12cd7161ccd4571894925fa1e50b5c35c1e99ec5c76815ec5f23343f210de0f5
[INFO] running `"docker" "start" "-a" "12cd7161ccd4571894925fa1e50b5c35c1e99ec5c76815ec5f23343f210de0f5"`
[INFO] [stderr]    Compiling graph-similarity-cmd v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "12cd7161ccd4571894925fa1e50b5c35c1e99ec5c76815ec5f23343f210de0f5"`
[INFO] running `"docker" "rm" "-f" "12cd7161ccd4571894925fa1e50b5c35c1e99ec5c76815ec5f23343f210de0f5"`
[INFO] [stdout] 12cd7161ccd4571894925fa1e50b5c35c1e99ec5c76815ec5f23343f210de0f5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mneumann/graph-similarity-cmd:/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] cd0bc4ac04eeadfc0aff38d9ea4fea052005890cf0974071ceee3ac0a7818ad5
[INFO] running `"docker" "start" "-a" "cd0bc4ac04eeadfc0aff38d9ea4fea052005890cf0974071ceee3ac0a7818ad5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gmlcmp-ee1645f3b05fe63f
[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" "cd0bc4ac04eeadfc0aff38d9ea4fea052005890cf0974071ceee3ac0a7818ad5"`
[INFO] running `"docker" "rm" "-f" "cd0bc4ac04eeadfc0aff38d9ea4fea052005890cf0974071ceee3ac0a7818ad5"`
[INFO] [stdout] cd0bc4ac04eeadfc0aff38d9ea4fea052005890cf0974071ceee3ac0a7818ad5