[INFO] cloning repository https://github.com/juanibiapina/collatz-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juanibiapina/collatz-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanibiapina%2Fcollatz-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanibiapina%2Fcollatz-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3cf388bca8db8abbe02bc0f726dad0a6e9397605
[INFO] testing juanibiapina/collatz-rs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanibiapina%2Fcollatz-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juanibiapina/collatz-rs on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juanibiapina/collatz-rs
[INFO] finished tweaking git repo https://github.com/juanibiapina/collatz-rs
[INFO] tweaked toml for git repo https://github.com/juanibiapina/collatz-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/juanibiapina/collatz-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.49.0" "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] 3e48a9179f5233910d6df50a72dde692b258d3ced543f1870d9b059fe85e00f6
[INFO] running `Command { std: "docker" "start" "-a" "3e48a9179f5233910d6df50a72dde692b258d3ced543f1870d9b059fe85e00f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e48a9179f5233910d6df50a72dde692b258d3ced543f1870d9b059fe85e00f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e48a9179f5233910d6df50a72dde692b258d3ced543f1870d9b059fe85e00f6", kill_on_drop: false }`
[INFO] [stdout] 3e48a9179f5233910d6df50a72dde692b258d3ced543f1870d9b059fe85e00f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfcde0619eb4c712a1412b88cd5e4c4893d2b7c5cb5a9ba9669802b87ca24107
[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" "bfcde0619eb4c712a1412b88cd5e4c4893d2b7c5cb5a9ba9669802b87ca24107", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "bfcde0619eb4c712a1412b88cd5e4c4893d2b7c5cb5a9ba9669802b87ca24107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfcde0619eb4c712a1412b88cd5e4c4893d2b7c5cb5a9ba9669802b87ca24107", kill_on_drop: false }`
[INFO] [stdout] bfcde0619eb4c712a1412b88cd5e4c4893d2b7c5cb5a9ba9669802b87ca24107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3387ba66cbb1503d287c6238989b99e669520a0ae6ed266b1d5600e470a348a9
[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" "3387ba66cbb1503d287c6238989b99e669520a0ae6ed266b1d5600e470a348a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "3387ba66cbb1503d287c6238989b99e669520a0ae6ed266b1d5600e470a348a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3387ba66cbb1503d287c6238989b99e669520a0ae6ed266b1d5600e470a348a9", kill_on_drop: false }`
[INFO] [stdout] 3387ba66cbb1503d287c6238989b99e669520a0ae6ed266b1d5600e470a348a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3dc39be5489f01b17f5f480f762ca8de8a23cb6a4688ba2cbe4b52163c266c24
[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" "3dc39be5489f01b17f5f480f762ca8de8a23cb6a4688ba2cbe4b52163c266c24", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/collatz_rs-6ef94d26b1205519
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_heilstone_sequence_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3dc39be5489f01b17f5f480f762ca8de8a23cb6a4688ba2cbe4b52163c266c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc39be5489f01b17f5f480f762ca8de8a23cb6a4688ba2cbe4b52163c266c24", kill_on_drop: false }`
[INFO] [stdout] 3dc39be5489f01b17f5f480f762ca8de8a23cb6a4688ba2cbe4b52163c266c24