[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 1.60.0 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 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33af0f7f9b5653bdf8af99153569a6d3fd5bbf5d316050cac1037ca29349dce9
[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" "33af0f7f9b5653bdf8af99153569a6d3fd5bbf5d316050cac1037ca29349dce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33af0f7f9b5653bdf8af99153569a6d3fd5bbf5d316050cac1037ca29349dce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33af0f7f9b5653bdf8af99153569a6d3fd5bbf5d316050cac1037ca29349dce9", kill_on_drop: false }`
[INFO] [stdout] 33af0f7f9b5653bdf8af99153569a6d3fd5bbf5d316050cac1037ca29349dce9
[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" "+1.60.0" "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] 46c86352413723a59495cf79621a45418ebfd2d0ecdabb97eec7c8b2f6bdc60d
[INFO] running `Command { std: "docker" "start" "-a" "46c86352413723a59495cf79621a45418ebfd2d0ecdabb97eec7c8b2f6bdc60d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 3.18s
[INFO] running `Command { std: "docker" "inspect" "46c86352413723a59495cf79621a45418ebfd2d0ecdabb97eec7c8b2f6bdc60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46c86352413723a59495cf79621a45418ebfd2d0ecdabb97eec7c8b2f6bdc60d", kill_on_drop: false }`
[INFO] [stdout] 46c86352413723a59495cf79621a45418ebfd2d0ecdabb97eec7c8b2f6bdc60d
[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" "+1.60.0" "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] 73ade1dd0211a4ef9407896ca6518ad2989b9c625436081a03815bd97a2c67b3
[INFO] running `Command { std: "docker" "start" "-a" "73ade1dd0211a4ef9407896ca6518ad2989b9c625436081a03815bd97a2c67b3", 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 0.94s
[INFO] running `Command { std: "docker" "inspect" "73ade1dd0211a4ef9407896ca6518ad2989b9c625436081a03815bd97a2c67b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ade1dd0211a4ef9407896ca6518ad2989b9c625436081a03815bd97a2c67b3", kill_on_drop: false }`
[INFO] [stdout] 73ade1dd0211a4ef9407896ca6518ad2989b9c625436081a03815bd97a2c67b3
[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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 33a31e9aa447c771a6d570bb4f20452a9608d3295e068a395483c03583f245b7
[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" "33a31e9aa447c771a6d570bb4f20452a9608d3295e068a395483c03583f245b7", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `hasse`
[INFO] [stderr]   --> src/main.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn hasse(from: u128, to: u128, debug: bool) -> Vec<Vec<u128>> {
[INFO] [stderr]    |    ^^^^^
[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 (/opt/rustwide/target/debug/deps/collatz_conj_rs-b8a4abf7bc68dfb4)
[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" "33a31e9aa447c771a6d570bb4f20452a9608d3295e068a395483c03583f245b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a31e9aa447c771a6d570bb4f20452a9608d3295e068a395483c03583f245b7", kill_on_drop: false }`
[INFO] [stdout] 33a31e9aa447c771a6d570bb4f20452a9608d3295e068a395483c03583f245b7