[INFO] cloning repository https://github.com/dewald-els/collatz-conjecture-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dewald-els/collatz-conjecture-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdewald-els%2Fcollatz-conjecture-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdewald-els%2Fcollatz-conjecture-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2ad671dcd199e8787354591fe0f39928ea04bbb
[INFO] checking dewald-els/collatz-conjecture-rust against try#1c4199da70f816f2239f41c55168ff75a3663718 for 155501-infallible-never-no-reservation
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdewald-els%2Fcollatz-conjecture-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dewald-els/collatz-conjecture-rust
[INFO] finished tweaking git repo https://github.com/dewald-els/collatz-conjecture-rust
[INFO] tweaked toml for git repo https://github.com/dewald-els/collatz-conjecture-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dewald-els/collatz-conjecture-rust on toolchain 1c4199da70f816f2239f41c55168ff75a3663718
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dewald-els/collatz-conjecture-rust 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" "+1c4199da70f816f2239f41c55168ff75a3663718" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75cce2f705d73a8436db00f8ef82300d6aed2b5e8c19b819203bd43b185123a4
[INFO] running `Command { std: "docker" "start" "-a" "75cce2f705d73a8436db00f8ef82300d6aed2b5e8c19b819203bd43b185123a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75cce2f705d73a8436db00f8ef82300d6aed2b5e8c19b819203bd43b185123a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cce2f705d73a8436db00f8ef82300d6aed2b5e8c19b819203bd43b185123a4", kill_on_drop: false }`
[INFO] [stdout] 75cce2f705d73a8436db00f8ef82300d6aed2b5e8c19b819203bd43b185123a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a1e76faf464cfc0604269b64246cc42b7ea2fc56f64312a71c29916f577d478
[INFO] running `Command { std: "docker" "start" "-a" "2a1e76faf464cfc0604269b64246cc42b7ea2fc56f64312a71c29916f577d478", kill_on_drop: false }`
[INFO] [stderr]     Checking collatz_conjecture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "2a1e76faf464cfc0604269b64246cc42b7ea2fc56f64312a71c29916f577d478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a1e76faf464cfc0604269b64246cc42b7ea2fc56f64312a71c29916f577d478", kill_on_drop: false }`
[INFO] [stdout] 2a1e76faf464cfc0604269b64246cc42b7ea2fc56f64312a71c29916f577d478