[INFO] cloning repository https://github.com/B1Fr0st/collatz-conjecture
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/B1Fr0st/collatz-conjecture" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FB1Fr0st%2Fcollatz-conjecture", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FB1Fr0st%2Fcollatz-conjecture'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96d22df9f42080c354fb82f536dc99863878462c
[INFO] building B1Fr0st/collatz-conjecture against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FB1Fr0st%2Fcollatz-conjecture" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/B1Fr0st/collatz-conjecture on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/B1Fr0st/collatz-conjecture
[INFO] finished tweaking git repo https://github.com/B1Fr0st/collatz-conjecture
[INFO] tweaked toml for git repo https://github.com/B1Fr0st/collatz-conjecture written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/B1Fr0st/collatz-conjecture already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91f5d6da2625b22b9092dafc5526729509549f779b04c20be3bc3b77cdcf8b43
[INFO] running `Command { std: "docker" "start" "-a" "91f5d6da2625b22b9092dafc5526729509549f779b04c20be3bc3b77cdcf8b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91f5d6da2625b22b9092dafc5526729509549f779b04c20be3bc3b77cdcf8b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91f5d6da2625b22b9092dafc5526729509549f779b04c20be3bc3b77cdcf8b43", kill_on_drop: false }`
[INFO] [stdout] 91f5d6da2625b22b9092dafc5526729509549f779b04c20be3bc3b77cdcf8b43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71fb2006eba880b5eaa304e87b63928f7889b5c1774b6f2b2e434b290c0f5fdc
[INFO] running `Command { std: "docker" "start" "-a" "71fb2006eba880b5eaa304e87b63928f7889b5c1774b6f2b2e434b290c0f5fdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz-conjecture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `path_collatz` is never used
[INFO] [stdout]   --> src/main.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn path_collatz(collatz:&Collatz) -> Vec<u128> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "71fb2006eba880b5eaa304e87b63928f7889b5c1774b6f2b2e434b290c0f5fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71fb2006eba880b5eaa304e87b63928f7889b5c1774b6f2b2e434b290c0f5fdc", kill_on_drop: false }`
[INFO] [stdout] 71fb2006eba880b5eaa304e87b63928f7889b5c1774b6f2b2e434b290c0f5fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95fa7b7c42c2c0797ef02a5f7c1e340d0184f4093a3c637b76497c4e98d223de
[INFO] running `Command { std: "docker" "start" "-a" "95fa7b7c42c2c0797ef02a5f7c1e340d0184f4093a3c637b76497c4e98d223de", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz-conjecture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "95fa7b7c42c2c0797ef02a5f7c1e340d0184f4093a3c637b76497c4e98d223de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95fa7b7c42c2c0797ef02a5f7c1e340d0184f4093a3c637b76497c4e98d223de", kill_on_drop: false }`
[INFO] [stdout] 95fa7b7c42c2c0797ef02a5f7c1e340d0184f4093a3c637b76497c4e98d223de
