[INFO] updating cached repository EntilZha/max_flow
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/EntilZha/max_flow
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/EntilZha/max_flow" "work/ex/beta-1.38-1/sources/1.37.0/gh/EntilZha/max_flow"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/EntilZha/max_flow'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/EntilZha/max_flow" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EntilZha/max_flow"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EntilZha/max_flow'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba94fb03729150061748a3b2a4d43c81fe5dc153
[INFO] sha for GitHub repo EntilZha/max_flow: ba94fb03729150061748a3b2a4d43c81fe5dc153
[INFO] validating manifest of EntilZha/max_flow 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 EntilZha/max_flow 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 EntilZha/max_flow
[INFO] finished frobbing EntilZha/max_flow
[INFO] frobbed toml for EntilZha/max_flow written to work/ex/beta-1.38-1/sources/1.37.0/gh/EntilZha/max_flow/Cargo.toml
[INFO] started frobbing EntilZha/max_flow
[INFO] finished frobbing EntilZha/max_flow
[INFO] frobbed toml for EntilZha/max_flow written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EntilZha/max_flow/Cargo.toml
[INFO] crate EntilZha/max_flow 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/EntilZha/max_flow/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[INFO] the lockfile is outdated, regenerating it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 EntilZha/max_flow 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-2/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/EntilZha/max_flow:/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] a1c4006ae1876bcd4b088c7bf075b6160613d4dcfa77401d89f7854fb0963f57
[INFO] running `"docker" "start" "-a" "a1c4006ae1876bcd4b088c7bf075b6160613d4dcfa77401d89f7854fb0963f57"`
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling max_flow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `"docker" "inspect" "a1c4006ae1876bcd4b088c7bf075b6160613d4dcfa77401d89f7854fb0963f57"`
[INFO] running `"docker" "rm" "-f" "a1c4006ae1876bcd4b088c7bf075b6160613d4dcfa77401d89f7854fb0963f57"`
[INFO] [stdout] a1c4006ae1876bcd4b088c7bf075b6160613d4dcfa77401d89f7854fb0963f57
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/EntilZha/max_flow:/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] e3b104d89246967f5c4ddc05cf580da5928f031e2e28fc57ed24709f7a33b051
[INFO] running `"docker" "start" "-a" "e3b104d89246967f5c4ddc05cf580da5928f031e2e28fc57ed24709f7a33b051"`
[INFO] [stderr]    Compiling max_flow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `"docker" "inspect" "e3b104d89246967f5c4ddc05cf580da5928f031e2e28fc57ed24709f7a33b051"`
[INFO] running `"docker" "rm" "-f" "e3b104d89246967f5c4ddc05cf580da5928f031e2e28fc57ed24709f7a33b051"`
[INFO] [stdout] e3b104d89246967f5c4ddc05cf580da5928f031e2e28fc57ed24709f7a33b051
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/EntilZha/max_flow:/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] 71731915e9befd80e2981b13827376f7515b2bcd364692a5cf83229d93ff0367
[INFO] running `"docker" "start" "-a" "71731915e9befd80e2981b13827376f7515b2bcd364692a5cf83229d93ff0367"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/graph-b9503abcc141e4db
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_dfs ... ok
[INFO] [stdout] test tests::test_augmenting_path ... ok
[INFO] [stdout] test tests::test_bfs ... ok
[INFO] [stdout] test tests::test_max_flow_1 ... ok
[INFO] [stdout] test tests::test_max_flow_0 ... ok
[INFO] [stdout] test tests::test_max_flow_2 ... ok
[INFO] [stdout] test tests::test_path_from_visited ... ok
[INFO] [stdout] test tests::test_new_graph ... ok
[INFO] [stdout] test tests::test_maxflow_from_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/max_flow-3fd7da2a8630e74d
[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 graph
[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" "71731915e9befd80e2981b13827376f7515b2bcd364692a5cf83229d93ff0367"`
[INFO] running `"docker" "rm" "-f" "71731915e9befd80e2981b13827376f7515b2bcd364692a5cf83229d93ff0367"`
[INFO] [stdout] 71731915e9befd80e2981b13827376f7515b2bcd364692a5cf83229d93ff0367