[INFO] cloning repository https://github.com/Tackeyyyyyyyy/Rust_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tackeyyyyyyyy/Rust_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTackeyyyyyyyy%2FRust_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTackeyyyyyyyy%2FRust_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3438a5320dc86db87b6e0a12bed033ed80643f0
[INFO] testing Tackeyyyyyyyy/Rust_demo against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTackeyyyyyyyy%2FRust_demo" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tackeyyyyyyyy/Rust_demo on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tackeyyyyyyyy/Rust_demo
[INFO] finished tweaking git repo https://github.com/Tackeyyyyyyyy/Rust_demo
[INFO] tweaked toml for git repo https://github.com/Tackeyyyyyyyy/Rust_demo written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Tackeyyyyyyyy/Rust_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba3ddd4314ce912745952177ab6b5d53a7738ed4f6ce1b402026de1375df6caf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ba3ddd4314ce912745952177ab6b5d53a7738ed4f6ce1b402026de1375df6caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba3ddd4314ce912745952177ab6b5d53a7738ed4f6ce1b402026de1375df6caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3ddd4314ce912745952177ab6b5d53a7738ed4f6ce1b402026de1375df6caf", kill_on_drop: false }`
[INFO] [stdout] ba3ddd4314ce912745952177ab6b5d53a7738ed4f6ce1b402026de1375df6caf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 155bafdb1db9b269931fc8b429fbb950de6d770cc328effe54e8143e618dfa50
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "155bafdb1db9b269931fc8b429fbb950de6d770cc328effe54e8143e618dfa50", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "155bafdb1db9b269931fc8b429fbb950de6d770cc328effe54e8143e618dfa50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "155bafdb1db9b269931fc8b429fbb950de6d770cc328effe54e8143e618dfa50", kill_on_drop: false }`
[INFO] [stdout] 155bafdb1db9b269931fc8b429fbb950de6d770cc328effe54e8143e618dfa50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f211b7fce33a6093be9b213c8719830efad66e87795048d3517219562b9ca45
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2f211b7fce33a6093be9b213c8719830efad66e87795048d3517219562b9ca45", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "2f211b7fce33a6093be9b213c8719830efad66e87795048d3517219562b9ca45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f211b7fce33a6093be9b213c8719830efad66e87795048d3517219562b9ca45", kill_on_drop: false }`
[INFO] [stdout] 2f211b7fce33a6093be9b213c8719830efad66e87795048d3517219562b9ca45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75657c0ee1f9c8645eae6ce9ad65dccc51d413da81ba9f6d39027c467d4103a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "75657c0ee1f9c8645eae6ce9ad65dccc51d413da81ba9f6d39027c467d4103a7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_demo-7c3940cbd849ea68
[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 `Command { std: "docker" "inspect" "75657c0ee1f9c8645eae6ce9ad65dccc51d413da81ba9f6d39027c467d4103a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75657c0ee1f9c8645eae6ce9ad65dccc51d413da81ba9f6d39027c467d4103a7", kill_on_drop: false }`
[INFO] [stdout] 75657c0ee1f9c8645eae6ce9ad65dccc51d413da81ba9f6d39027c467d4103a7