[INFO] cloning repository https://github.com/duongdominhchau/basic_problems
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duongdominhchau/basic_problems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduongdominhchau%2Fbasic_problems", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduongdominhchau%2Fbasic_problems'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43078bc86e1027ceae0da2d3e212e86d386a0e42
[INFO] checking duongdominhchau/basic_problems against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduongdominhchau%2Fbasic_problems" "/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/duongdominhchau/basic_problems on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/duongdominhchau/basic_problems
[INFO] finished tweaking git repo https://github.com/duongdominhchau/basic_problems
[INFO] tweaked toml for git repo https://github.com/duongdominhchau/basic_problems written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/duongdominhchau/basic_problems already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43b28c296df7203c599468a7bfaa17f404e458323d3f10543573294151133b6d
[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" "43b28c296df7203c599468a7bfaa17f404e458323d3f10543573294151133b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43b28c296df7203c599468a7bfaa17f404e458323d3f10543573294151133b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b28c296df7203c599468a7bfaa17f404e458323d3f10543573294151133b6d", kill_on_drop: false }`
[INFO] [stdout] 43b28c296df7203c599468a7bfaa17f404e458323d3f10543573294151133b6d
[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=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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1e74ee436b1f164816ecd8f1d7ccce70272b503599d5d29dd6a7c68f413e157f
[INFO] running `Command { std: "docker" "start" "-a" "1e74ee436b1f164816ecd8f1d7ccce70272b503599d5d29dd6a7c68f413e157f", kill_on_drop: false }`
[INFO] [stderr]     Checking basic_problems v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "1e74ee436b1f164816ecd8f1d7ccce70272b503599d5d29dd6a7c68f413e157f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e74ee436b1f164816ecd8f1d7ccce70272b503599d5d29dd6a7c68f413e157f", kill_on_drop: false }`
[INFO] [stdout] 1e74ee436b1f164816ecd8f1d7ccce70272b503599d5d29dd6a7c68f413e157f