[INFO] cloning repository https://github.com/ndtai772/networking_challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ndtai772/networking_challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndtai772%2Fnetworking_challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndtai772%2Fnetworking_challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0e04e3cf9824ba12b2192f485d8e8bd2d7a3557
[INFO] testing ndtai772/networking_challenges against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndtai772%2Fnetworking_challenges" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ndtai772/networking_challenges on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ndtai772/networking_challenges
[INFO] finished tweaking git repo https://github.com/ndtai772/networking_challenges
[INFO] tweaked toml for git repo https://github.com/ndtai772/networking_challenges written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/ndtai772/networking_challenges already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e5718b0251ea195dd41f6c2f219e68cfb417d395df9e68da5b18678c258106a
[INFO] running `Command { std: "docker" "start" "-a" "0e5718b0251ea195dd41f6c2f219e68cfb417d395df9e68da5b18678c258106a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e5718b0251ea195dd41f6c2f219e68cfb417d395df9e68da5b18678c258106a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5718b0251ea195dd41f6c2f219e68cfb417d395df9e68da5b18678c258106a", kill_on_drop: false }`
[INFO] [stdout] 0e5718b0251ea195dd41f6c2f219e68cfb417d395df9e68da5b18678c258106a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d17489e8135555f8f9e1c7f01d76838782a2a316383df28d9690da74fd8fc14c
[INFO] running `Command { std: "docker" "start" "-a" "d17489e8135555f8f9e1c7f01d76838782a2a316383df28d9690da74fd8fc14c", kill_on_drop: false }`
[INFO] [stderr]    Compiling networking_challenges v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "d17489e8135555f8f9e1c7f01d76838782a2a316383df28d9690da74fd8fc14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17489e8135555f8f9e1c7f01d76838782a2a316383df28d9690da74fd8fc14c", kill_on_drop: false }`
[INFO] [stdout] d17489e8135555f8f9e1c7f01d76838782a2a316383df28d9690da74fd8fc14c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27502efe8e70e204248d27fdb03134aebf1218c685842b8c41aada7a609f99a2
[INFO] running `Command { std: "docker" "start" "-a" "27502efe8e70e204248d27fdb03134aebf1218c685842b8c41aada7a609f99a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling networking_challenges v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "27502efe8e70e204248d27fdb03134aebf1218c685842b8c41aada7a609f99a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27502efe8e70e204248d27fdb03134aebf1218c685842b8c41aada7a609f99a2", kill_on_drop: false }`
[INFO] [stdout] 27502efe8e70e204248d27fdb03134aebf1218c685842b8c41aada7a609f99a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec9e1642e90a6c00d65b8ce469ba98245882427eda8eb5207ec83aff7d7b79cf
[INFO] running `Command { std: "docker" "start" "-a" "ec9e1642e90a6c00d65b8ce469ba98245882427eda8eb5207ec83aff7d7b79cf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/networking_challenges-d2a22542a03112e8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test solve::test::poly_test ... ok
[INFO] [stdout] test solve::test::plus_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/networking_challenges-b458e404f9ae0d17)
[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 networking_challenges
[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" "ec9e1642e90a6c00d65b8ce469ba98245882427eda8eb5207ec83aff7d7b79cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9e1642e90a6c00d65b8ce469ba98245882427eda8eb5207ec83aff7d7b79cf", kill_on_drop: false }`
[INFO] [stdout] ec9e1642e90a6c00d65b8ce469ba98245882427eda8eb5207ec83aff7d7b79cf