[INFO] cloning repository https://github.com/EntilZha/max_flow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EntilZha/max_flow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEntilZha%2Fmax_flow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEntilZha%2Fmax_flow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba94fb03729150061748a3b2a4d43c81fe5dc153
[INFO] testing EntilZha/max_flow against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEntilZha%2Fmax_flow" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EntilZha/max_flow on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EntilZha/max_flow
[INFO] finished tweaking git repo https://github.com/EntilZha/max_flow
[INFO] tweaked toml for git repo https://github.com/EntilZha/max_flow written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/EntilZha/max_flow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c88eed5f95e3046ea4eee94919285ed7006750bc262913cfeb3d54c7aad9d33
[INFO] running `Command { std: "docker" "start" "-a" "6c88eed5f95e3046ea4eee94919285ed7006750bc262913cfeb3d54c7aad9d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c88eed5f95e3046ea4eee94919285ed7006750bc262913cfeb3d54c7aad9d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c88eed5f95e3046ea4eee94919285ed7006750bc262913cfeb3d54c7aad9d33", kill_on_drop: false }`
[INFO] [stdout] 6c88eed5f95e3046ea4eee94919285ed7006750bc262913cfeb3d54c7aad9d33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db4d61d32a2d8f338fee9e5577e45fb44b91bd27deaa91028f8926eba6c99973
[INFO] running `Command { std: "docker" "start" "-a" "db4d61d32a2d8f338fee9e5577e45fb44b91bd27deaa91028f8926eba6c99973", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.6
[INFO] [stderr]    Compiling libc v0.2.9
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling max_flow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `Command { std: "docker" "inspect" "db4d61d32a2d8f338fee9e5577e45fb44b91bd27deaa91028f8926eba6c99973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4d61d32a2d8f338fee9e5577e45fb44b91bd27deaa91028f8926eba6c99973", kill_on_drop: false }`
[INFO] [stdout] db4d61d32a2d8f338fee9e5577e45fb44b91bd27deaa91028f8926eba6c99973
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fae1d55e3788131f3260848fc9f7df582d1c3c28a7f548bf22dd32e6347095c
[INFO] running `Command { std: "docker" "start" "-a" "9fae1d55e3788131f3260848fc9f7df582d1c3c28a7f548bf22dd32e6347095c", kill_on_drop: false }`
[INFO] [stderr]    Compiling max_flow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "9fae1d55e3788131f3260848fc9f7df582d1c3c28a7f548bf22dd32e6347095c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fae1d55e3788131f3260848fc9f7df582d1c3c28a7f548bf22dd32e6347095c", kill_on_drop: false }`
[INFO] [stdout] 9fae1d55e3788131f3260848fc9f7df582d1c3c28a7f548bf22dd32e6347095c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6fa65bc628e0c569434fbdecdea8c76829be76cebdb4d94ab830b3076f6b418e
[INFO] running `Command { std: "docker" "start" "-a" "6fa65bc628e0c569434fbdecdea8c76829be76cebdb4d94ab830b3076f6b418e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graph-898ed2f9b1159eb2)
[INFO] [stdout] test tests::test_new_graph ... ok
[INFO] [stdout] test tests::test_bfs ... ok
[INFO] [stdout] test tests::test_augmenting_path ... ok
[INFO] [stdout] test tests::test_max_flow_1 ... ok
[INFO] [stdout] test tests::test_path_from_visited ... ok
[INFO] [stdout] test tests::test_max_flow_0 ... ok
[INFO] [stdout] test tests::test_dfs ... 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; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/max_flow-1108eadcf89f155a)
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6fa65bc628e0c569434fbdecdea8c76829be76cebdb4d94ab830b3076f6b418e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fa65bc628e0c569434fbdecdea8c76829be76cebdb4d94ab830b3076f6b418e", kill_on_drop: false }`
[INFO] [stdout] 6fa65bc628e0c569434fbdecdea8c76829be76cebdb4d94ab830b3076f6b418e