[INFO] cloning repository https://github.com/luomolhx/loops_prac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luomolhx/loops_prac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluomolhx%2Floops_prac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluomolhx%2Floops_prac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afe550d50a5ac5c4930b210250db05995a1cbae4
[INFO] building luomolhx/loops_prac against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluomolhx%2Floops_prac" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luomolhx/loops_prac on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luomolhx/loops_prac
[INFO] finished tweaking git repo https://github.com/luomolhx/loops_prac
[INFO] tweaked toml for git repo https://github.com/luomolhx/loops_prac written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/luomolhx/loops_prac already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cff4e6b219bc0fd74287e808836318e8f593f3100324c1dae5ed08736e11c9f6
[INFO] running `Command { std: "docker" "start" "-a" "cff4e6b219bc0fd74287e808836318e8f593f3100324c1dae5ed08736e11c9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cff4e6b219bc0fd74287e808836318e8f593f3100324c1dae5ed08736e11c9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff4e6b219bc0fd74287e808836318e8f593f3100324c1dae5ed08736e11c9f6", kill_on_drop: false }`
[INFO] [stdout] cff4e6b219bc0fd74287e808836318e8f593f3100324c1dae5ed08736e11c9f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61c98c8a487243472722f6ed357fcfd784a2fe1aa1a836c903f3a1b2447bb0dc
[INFO] running `Command { std: "docker" "start" "-a" "61c98c8a487243472722f6ed357fcfd784a2fe1aa1a836c903f3a1b2447bb0dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling loops_prac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "61c98c8a487243472722f6ed357fcfd784a2fe1aa1a836c903f3a1b2447bb0dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c98c8a487243472722f6ed357fcfd784a2fe1aa1a836c903f3a1b2447bb0dc", kill_on_drop: false }`
[INFO] [stdout] 61c98c8a487243472722f6ed357fcfd784a2fe1aa1a836c903f3a1b2447bb0dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f67a5a3ba860b486df46f6491430b2fbcf3fcd5a486abe39f388db5fd504f6a
[INFO] running `Command { std: "docker" "start" "-a" "9f67a5a3ba860b486df46f6491430b2fbcf3fcd5a486abe39f388db5fd504f6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling loops_prac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "9f67a5a3ba860b486df46f6491430b2fbcf3fcd5a486abe39f388db5fd504f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f67a5a3ba860b486df46f6491430b2fbcf3fcd5a486abe39f388db5fd504f6a", kill_on_drop: false }`
[INFO] [stdout] 9f67a5a3ba860b486df46f6491430b2fbcf3fcd5a486abe39f388db5fd504f6a