[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 try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEntilZha%2Fmax_flow" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EntilZha/max_flow on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c2c05489392af266888ab3804b51c1355e2fe0ce1bd617a0896ba3d5672fcf4
[INFO] running `Command { std: "docker" "start" "-a" "9c2c05489392af266888ab3804b51c1355e2fe0ce1bd617a0896ba3d5672fcf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c2c05489392af266888ab3804b51c1355e2fe0ce1bd617a0896ba3d5672fcf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c2c05489392af266888ab3804b51c1355e2fe0ce1bd617a0896ba3d5672fcf4", kill_on_drop: false }`
[INFO] [stdout] 9c2c05489392af266888ab3804b51c1355e2fe0ce1bd617a0896ba3d5672fcf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f22c1f4b8b8da19bd93576caa0ae4f51743a7183ac01b691df6f8efe04fcd426
[INFO] running `Command { std: "docker" "start" "-a" "f22c1f4b8b8da19bd93576caa0ae4f51743a7183ac01b691df6f8efe04fcd426", 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 2.69s
[INFO] running `Command { std: "docker" "inspect" "f22c1f4b8b8da19bd93576caa0ae4f51743a7183ac01b691df6f8efe04fcd426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f22c1f4b8b8da19bd93576caa0ae4f51743a7183ac01b691df6f8efe04fcd426", kill_on_drop: false }`
[INFO] [stdout] f22c1f4b8b8da19bd93576caa0ae4f51743a7183ac01b691df6f8efe04fcd426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cbd21890f8c82fb45a5543d1e6e6abc7fbcc851082bd759247075740af8a3f3
[INFO] running `Command { std: "docker" "start" "-a" "6cbd21890f8c82fb45a5543d1e6e6abc7fbcc851082bd759247075740af8a3f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling max_flow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "6cbd21890f8c82fb45a5543d1e6e6abc7fbcc851082bd759247075740af8a3f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cbd21890f8c82fb45a5543d1e6e6abc7fbcc851082bd759247075740af8a3f3", kill_on_drop: false }`
[INFO] [stdout] 6cbd21890f8c82fb45a5543d1e6e6abc7fbcc851082bd759247075740af8a3f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7d0dcd432ed7c076fea291484fd844b66beb664316d19f07f47243c7ab8197a
[INFO] running `Command { std: "docker" "start" "-a" "f7d0dcd432ed7c076fea291484fd844b66beb664316d19f07f47243c7ab8197a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graph-0b72cb1e1c027601)
[INFO] [stdout] test tests::test_dfs ... ok
[INFO] [stdout] test tests::test_new_graph ... ok
[INFO] [stdout] test tests::test_max_flow_1 ... ok
[INFO] [stdout] test tests::test_bfs ... ok
[INFO] [stdout] test tests::test_max_flow_0 ... ok
[INFO] [stdout] test tests::test_max_flow_2 ... ok
[INFO] [stdout] test tests::test_augmenting_path ... ok
[INFO] [stdout] test tests::test_path_from_visited ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/max_flow-28b3feebdca0cb78)
[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 0.03s
[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] [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" "f7d0dcd432ed7c076fea291484fd844b66beb664316d19f07f47243c7ab8197a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d0dcd432ed7c076fea291484fd844b66beb664316d19f07f47243c7ab8197a", kill_on_drop: false }`
[INFO] [stdout] f7d0dcd432ed7c076fea291484fd844b66beb664316d19f07f47243c7ab8197a