[INFO] cloning repository https://github.com/rodrigomg/loops_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rodrigomg/loops_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodrigomg%2Floops_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodrigomg%2Floops_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9248fd9265dd26e41c26d033359d77ec2df8990b
[INFO] checking rodrigomg/loops_rust against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frodrigomg%2Floops_rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rodrigomg/loops_rust on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rodrigomg/loops_rust
[INFO] finished tweaking git repo https://github.com/rodrigomg/loops_rust
[INFO] tweaked toml for git repo https://github.com/rodrigomg/loops_rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rodrigomg/loops_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", 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] 6b80bf92d6f965f9a6457179f3632eeb210a0ddc94a84824d6cbc00c5fb8f9e0
[INFO] running `Command { std: "docker" "start" "-a" "6b80bf92d6f965f9a6457179f3632eeb210a0ddc94a84824d6cbc00c5fb8f9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b80bf92d6f965f9a6457179f3632eeb210a0ddc94a84824d6cbc00c5fb8f9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b80bf92d6f965f9a6457179f3632eeb210a0ddc94a84824d6cbc00c5fb8f9e0", kill_on_drop: false }`
[INFO] [stdout] 6b80bf92d6f965f9a6457179f3632eeb210a0ddc94a84824d6cbc00c5fb8f9e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "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] 85123850b6110458acdf0ecfac7ed4414840de98857e40c20d3a9031eec69167
[INFO] running `Command { std: "docker" "start" "-a" "85123850b6110458acdf0ecfac7ed4414840de98857e40c20d3a9031eec69167", kill_on_drop: false }`
[INFO] [stderr]     Checking loops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "85123850b6110458acdf0ecfac7ed4414840de98857e40c20d3a9031eec69167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85123850b6110458acdf0ecfac7ed4414840de98857e40c20d3a9031eec69167", kill_on_drop: false }`
[INFO] [stdout] 85123850b6110458acdf0ecfac7ed4414840de98857e40c20d3a9031eec69167