[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] testing abhizer/Rust-Rc-RefCell against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhizer%2FRust-Rc-RefCell" "/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/abhizer/Rust-Rc-RefCell on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-2/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b658459624cd06a5023d9b25c370bce895bd02d4227492e8087709ceee3e5b7
[INFO] running `Command { std: "docker" "start" "-a" "7b658459624cd06a5023d9b25c370bce895bd02d4227492e8087709ceee3e5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b658459624cd06a5023d9b25c370bce895bd02d4227492e8087709ceee3e5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b658459624cd06a5023d9b25c370bce895bd02d4227492e8087709ceee3e5b7", kill_on_drop: false }`
[INFO] [stdout] 7b658459624cd06a5023d9b25c370bce895bd02d4227492e8087709ceee3e5b7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe33c293f8f7ee1aeecc03757ce83ba0383d9b9f22c13b150fcb6304ac6c9cba
[INFO] running `Command { std: "docker" "start" "-a" "fe33c293f8f7ee1aeecc03757ce83ba0383d9b9f22c13b150fcb6304ac6c9cba", kill_on_drop: false }`
[INFO] [stderr]    Compiling reference_counting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "fe33c293f8f7ee1aeecc03757ce83ba0383d9b9f22c13b150fcb6304ac6c9cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe33c293f8f7ee1aeecc03757ce83ba0383d9b9f22c13b150fcb6304ac6c9cba", kill_on_drop: false }`
[INFO] [stdout] fe33c293f8f7ee1aeecc03757ce83ba0383d9b9f22c13b150fcb6304ac6c9cba
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a79b20def72962aae709046b5c30521390a19c3621e2d50b62a0b69e69f526e2
[INFO] running `Command { std: "docker" "start" "-a" "a79b20def72962aae709046b5c30521390a19c3621e2d50b62a0b69e69f526e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling reference_counting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "a79b20def72962aae709046b5c30521390a19c3621e2d50b62a0b69e69f526e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a79b20def72962aae709046b5c30521390a19c3621e2d50b62a0b69e69f526e2", kill_on_drop: false }`
[INFO] [stdout] a79b20def72962aae709046b5c30521390a19c3621e2d50b62a0b69e69f526e2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 20ce7db3e6fe15d097f81e7b608f08c052ba187ec6eaca1a70afa4a28fdbd2b8
[INFO] running `Command { std: "docker" "start" "-a" "20ce7db3e6fe15d097f81e7b608f08c052ba187ec6eaca1a70afa4a28fdbd2b8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reference_counting-eb286f8342aeafba)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "20ce7db3e6fe15d097f81e7b608f08c052ba187ec6eaca1a70afa4a28fdbd2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ce7db3e6fe15d097f81e7b608f08c052ba187ec6eaca1a70afa4a28fdbd2b8", kill_on_drop: false }`
[INFO] [stdout] 20ce7db3e6fe15d097f81e7b608f08c052ba187ec6eaca1a70afa4a28fdbd2b8