[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-1.37-6/sources/1.36.0/gh/EntilZha/max_flow"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/EntilZha/max_flow'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/EntilZha/max_flow" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/EntilZha/max_flow"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of EntilZha/max_flow 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 EntilZha/max_flow
[INFO] finished frobbing EntilZha/max_flow
[INFO] frobbed toml for EntilZha/max_flow written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "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 EntilZha/max_flow 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-3/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/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 80a6ff13941726f5345d8a9be05e693f30b987dbe92f1e5e8ba3aacc3c416145
[INFO] running `"docker" "start" "-a" "80a6ff13941726f5345d8a9be05e693f30b987dbe92f1e5e8ba3aacc3c416145"`
[INFO] [stderr]    Compiling max_flow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `"docker" "inspect" "80a6ff13941726f5345d8a9be05e693f30b987dbe92f1e5e8ba3aacc3c416145"`
[INFO] running `"docker" "rm" "-f" "80a6ff13941726f5345d8a9be05e693f30b987dbe92f1e5e8ba3aacc3c416145"`
[INFO] [stdout] 80a6ff13941726f5345d8a9be05e693f30b987dbe92f1e5e8ba3aacc3c416145
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 47c78b34a8f9d90dd56d14d15f45b1621a192137a7d1b6cddfd5f66d0b29a237
[INFO] running `"docker" "start" "-a" "47c78b34a8f9d90dd56d14d15f45b1621a192137a7d1b6cddfd5f66d0b29a237"`
[INFO] [stderr]    Compiling max_flow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `"docker" "inspect" "47c78b34a8f9d90dd56d14d15f45b1621a192137a7d1b6cddfd5f66d0b29a237"`
[INFO] running `"docker" "rm" "-f" "47c78b34a8f9d90dd56d14d15f45b1621a192137a7d1b6cddfd5f66d0b29a237"`
[INFO] [stdout] 47c78b34a8f9d90dd56d14d15f45b1621a192137a7d1b6cddfd5f66d0b29a237
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 82594824c4fbe7393f2b04c43b8046056e9f68722c0a25fcc1698eae3e6d7b64
[INFO] running `"docker" "start" "-a" "82594824c4fbe7393f2b04c43b8046056e9f68722c0a25fcc1698eae3e6d7b64"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/graph-b403a2aad0a5f23d
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_new_graph ... ok
[INFO] [stdout] test tests::test_max_flow_2 ... ok
[INFO] [stdout] test tests::test_max_flow_1 ... ok
[INFO] [stdout] test tests::test_max_flow_0 ... ok
[INFO] [stdout] test tests::test_dfs ... ok
[INFO] [stdout] test tests::test_bfs ... ok
[INFO] [stdout] test tests::test_path_from_visited ... ok
[INFO] [stdout] test tests::test_augmenting_path ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/max_flow-c819333fde8469d7
[INFO] [stderr]    Doc-tests graph
[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] [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" "82594824c4fbe7393f2b04c43b8046056e9f68722c0a25fcc1698eae3e6d7b64"`
[INFO] running `"docker" "rm" "-f" "82594824c4fbe7393f2b04c43b8046056e9f68722c0a25fcc1698eae3e6d7b64"`
[INFO] [stdout] 82594824c4fbe7393f2b04c43b8046056e9f68722c0a25fcc1698eae3e6d7b64