[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[INFO] the lockfile is outdated, regenerating it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 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/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a78ebf61e9a1819ed35baa7d50c6342bf6e7c127cce42c1e70d2196015088205
[INFO] running `"docker" "start" "-a" "a78ebf61e9a1819ed35baa7d50c6342bf6e7c127cce42c1e70d2196015088205"`
[INFO] [stderr]    Compiling max_flow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `"docker" "inspect" "a78ebf61e9a1819ed35baa7d50c6342bf6e7c127cce42c1e70d2196015088205"`
[INFO] running `"docker" "rm" "-f" "a78ebf61e9a1819ed35baa7d50c6342bf6e7c127cce42c1e70d2196015088205"`
[INFO] [stdout] a78ebf61e9a1819ed35baa7d50c6342bf6e7c127cce42c1e70d2196015088205
[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/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3a9cce3960bb0e1dcc7bc63495cbd4209fdeddffa51ed335d4f2926681d15656
[INFO] running `"docker" "start" "-a" "3a9cce3960bb0e1dcc7bc63495cbd4209fdeddffa51ed335d4f2926681d15656"`
[INFO] [stderr]    Compiling max_flow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `"docker" "inspect" "3a9cce3960bb0e1dcc7bc63495cbd4209fdeddffa51ed335d4f2926681d15656"`
[INFO] running `"docker" "rm" "-f" "3a9cce3960bb0e1dcc7bc63495cbd4209fdeddffa51ed335d4f2926681d15656"`
[INFO] [stdout] 3a9cce3960bb0e1dcc7bc63495cbd4209fdeddffa51ed335d4f2926681d15656
[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/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c4934468a36669273dc48340cbdd8e597d1f9f33f5cb9ad2877c054a9021796b
[INFO] running `"docker" "start" "-a" "c4934468a36669273dc48340cbdd8e597d1f9f33f5cb9ad2877c054a9021796b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/graph-afc050f5e2d4b066
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_augmenting_path ... ok
[INFO] [stdout] test tests::test_dfs ... 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_new_graph ... ok
[INFO] [stdout] test tests::test_path_from_visited ... ok
[INFO] [stdout] test tests::test_max_flow_2 ... 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-80f01b5d31d05b74
[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" "c4934468a36669273dc48340cbdd8e597d1f9f33f5cb9ad2877c054a9021796b"`
[INFO] running `"docker" "rm" "-f" "c4934468a36669273dc48340cbdd8e597d1f9f33f5cb9ad2877c054a9021796b"`
[INFO] [stdout] c4934468a36669273dc48340cbdd8e597d1f9f33f5cb9ad2877c054a9021796b