[INFO] cloning repository https://github.com/WhiffyMuffinz/collatz-conj-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WhiffyMuffinz/collatz-conj-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhiffyMuffinz%2Fcollatz-conj-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhiffyMuffinz%2Fcollatz-conj-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec37498c305545f2558ae7b1b5282afa5ce9db96
[INFO] testing WhiffyMuffinz/collatz-conj-rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhiffyMuffinz%2Fcollatz-conj-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WhiffyMuffinz/collatz-conj-rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WhiffyMuffinz/collatz-conj-rs
[INFO] finished tweaking git repo https://github.com/WhiffyMuffinz/collatz-conj-rs
[INFO] tweaked toml for git repo https://github.com/WhiffyMuffinz/collatz-conj-rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/WhiffyMuffinz/collatz-conj-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 123df9cbc7472080e6d24f6407f868b86b4304985ca76663cf11feb121cf2c9c
[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" "123df9cbc7472080e6d24f6407f868b86b4304985ca76663cf11feb121cf2c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "123df9cbc7472080e6d24f6407f868b86b4304985ca76663cf11feb121cf2c9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "123df9cbc7472080e6d24f6407f868b86b4304985ca76663cf11feb121cf2c9c", kill_on_drop: false }`
[INFO] [stdout] 123df9cbc7472080e6d24f6407f868b86b4304985ca76663cf11feb121cf2c9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] 5fde2b8bf77a7e74e1cc8fd19957bcf06abe4fb1de6b75d631c604e115d89706
[INFO] running `Command { std: "docker" "start" "-a" "5fde2b8bf77a7e74e1cc8fd19957bcf06abe4fb1de6b75d631c604e115d89706", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz-conj-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `hasse`
[INFO] [stdout]   --> src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn hasse(from: u128, to: u128, debug: bool) -> Vec<Vec<u128>> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "5fde2b8bf77a7e74e1cc8fd19957bcf06abe4fb1de6b75d631c604e115d89706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fde2b8bf77a7e74e1cc8fd19957bcf06abe4fb1de6b75d631c604e115d89706", kill_on_drop: false }`
[INFO] [stdout] 5fde2b8bf77a7e74e1cc8fd19957bcf06abe4fb1de6b75d631c604e115d89706
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 43b00d6f8f040e32ad347724041aae6083328244d0f6847e2572407a431b977b
[INFO] running `Command { std: "docker" "start" "-a" "43b00d6f8f040e32ad347724041aae6083328244d0f6847e2572407a431b977b", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz-conj-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `hasse`
[INFO] [stdout]   --> src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn hasse(from: u128, to: u128, debug: bool) -> Vec<Vec<u128>> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/collatz_conj_rs-90eee6f0a385d5b0)
[INFO] running `Command { std: "docker" "inspect" "43b00d6f8f040e32ad347724041aae6083328244d0f6847e2572407a431b977b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b00d6f8f040e32ad347724041aae6083328244d0f6847e2572407a431b977b", kill_on_drop: false }`
[INFO] [stdout] 43b00d6f8f040e32ad347724041aae6083328244d0f6847e2572407a431b977b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] 14d2df37726a6027dfb6909986ff273e2933fb25193b3f087f4ed75e07d2aaca
[INFO] running `Command { std: "docker" "start" "-a" "14d2df37726a6027dfb6909986ff273e2933fb25193b3f087f4ed75e07d2aaca", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `hasse`
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:20:4
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 20 | fn hasse(from: u128, to: u128, debug: bool) -> Vec<Vec<u128>> {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `collatz-conj-rs` (bin "collatz-conj-rs" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/collatz_conj_rs-90eee6f0a385d5b0)
[INFO] running `Command { std: "docker" "inspect" "14d2df37726a6027dfb6909986ff273e2933fb25193b3f087f4ed75e07d2aaca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d2df37726a6027dfb6909986ff273e2933fb25193b3f087f4ed75e07d2aaca", kill_on_drop: false }`
[INFO] [stdout] 14d2df37726a6027dfb6909986ff273e2933fb25193b3f087f4ed75e07d2aaca