[INFO] cloning repository https://github.com/xonmello/hailstone-problem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xonmello/hailstone-problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxonmello%2Fhailstone-problem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxonmello%2Fhailstone-problem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0e411c6cd352f3c55c82223f87d0397a40fbc1f
[INFO] testing xonmello/hailstone-problem against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxonmello%2Fhailstone-problem" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xonmello/hailstone-problem on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xonmello/hailstone-problem
[INFO] finished tweaking git repo https://github.com/xonmello/hailstone-problem
[INFO] tweaked toml for git repo https://github.com/xonmello/hailstone-problem written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/xonmello/hailstone-problem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60177f4b4b3eadd88ad503807e6eb75587493fa6195f26031224718b47c0e3b2
[INFO] running `Command { std: "docker" "start" "-a" "60177f4b4b3eadd88ad503807e6eb75587493fa6195f26031224718b47c0e3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60177f4b4b3eadd88ad503807e6eb75587493fa6195f26031224718b47c0e3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60177f4b4b3eadd88ad503807e6eb75587493fa6195f26031224718b47c0e3b2", kill_on_drop: false }`
[INFO] [stdout] 60177f4b4b3eadd88ad503807e6eb75587493fa6195f26031224718b47c0e3b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 625cefb061a36c3cb6c3e112f0ebe6beb4838f484a399453c99db66bd5fba6ff
[INFO] running `Command { std: "docker" "start" "-a" "625cefb061a36c3cb6c3e112f0ebe6beb4838f484a399453c99db66bd5fba6ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling hailstone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "625cefb061a36c3cb6c3e112f0ebe6beb4838f484a399453c99db66bd5fba6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "625cefb061a36c3cb6c3e112f0ebe6beb4838f484a399453c99db66bd5fba6ff", kill_on_drop: false }`
[INFO] [stdout] 625cefb061a36c3cb6c3e112f0ebe6beb4838f484a399453c99db66bd5fba6ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37c72a98e7ae61115a87c33c2eddee81b0b595062ea86018f0b29d3c237df867
[INFO] running `Command { std: "docker" "start" "-a" "37c72a98e7ae61115a87c33c2eddee81b0b595062ea86018f0b29d3c237df867", kill_on_drop: false }`
[INFO] [stderr]    Compiling hailstone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "37c72a98e7ae61115a87c33c2eddee81b0b595062ea86018f0b29d3c237df867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c72a98e7ae61115a87c33c2eddee81b0b595062ea86018f0b29d3c237df867", kill_on_drop: false }`
[INFO] [stdout] 37c72a98e7ae61115a87c33c2eddee81b0b595062ea86018f0b29d3c237df867
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c9ea1449b4b57fb6041fb9bc03db8c6ed71140551a6a4a40bf8c3f27fa5491f
[INFO] running `Command { std: "docker" "start" "-a" "8c9ea1449b4b57fb6041fb9bc03db8c6ed71140551a6a4a40bf8c3f27fa5491f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hailstone-7f8988252413c7ed)
[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" "8c9ea1449b4b57fb6041fb9bc03db8c6ed71140551a6a4a40bf8c3f27fa5491f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9ea1449b4b57fb6041fb9bc03db8c6ed71140551a6a4a40bf8c3f27fa5491f", kill_on_drop: false }`
[INFO] [stdout] 8c9ea1449b4b57fb6041fb9bc03db8c6ed71140551a6a4a40bf8c3f27fa5491f