[INFO] cloning repository https://github.com/abhizer/Rust-Rc-RefCell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abhizer/Rust-Rc-RefCell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhizer%2FRust-Rc-RefCell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhizer%2FRust-Rc-RefCell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42430dcea26ba8f7f610a57db2da6050ef6b95f8
[INFO] checking abhizer/Rust-Rc-RefCell against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhizer%2FRust-Rc-RefCell" "/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/abhizer/Rust-Rc-RefCell on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abhizer/Rust-Rc-RefCell
[INFO] finished tweaking git repo https://github.com/abhizer/Rust-Rc-RefCell
[INFO] tweaked toml for git repo https://github.com/abhizer/Rust-Rc-RefCell written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/abhizer/Rust-Rc-RefCell already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e52aa128ed53ad1b5b8e3e7cc3f1172b8a6f252c07890c60c75a02b5f1417251
[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" "e52aa128ed53ad1b5b8e3e7cc3f1172b8a6f252c07890c60c75a02b5f1417251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e52aa128ed53ad1b5b8e3e7cc3f1172b8a6f252c07890c60c75a02b5f1417251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52aa128ed53ad1b5b8e3e7cc3f1172b8a6f252c07890c60c75a02b5f1417251", kill_on_drop: false }`
[INFO] [stdout] e52aa128ed53ad1b5b8e3e7cc3f1172b8a6f252c07890c60c75a02b5f1417251
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 8338a064afc57c42e98b3065022b9cafbb78a00f8be01ae7ca2789c09c03c63c
[INFO] running `Command { std: "docker" "start" "-a" "8338a064afc57c42e98b3065022b9cafbb78a00f8be01ae7ca2789c09c03c63c", kill_on_drop: false }`
[INFO] [stderr]     Checking reference_counting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "8338a064afc57c42e98b3065022b9cafbb78a00f8be01ae7ca2789c09c03c63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8338a064afc57c42e98b3065022b9cafbb78a00f8be01ae7ca2789c09c03c63c", kill_on_drop: false }`
[INFO] [stdout] 8338a064afc57c42e98b3065022b9cafbb78a00f8be01ae7ca2789c09c03c63c