[INFO] cloning repository https://github.com/jonduvnjak/advent2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonduvnjak/advent2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonduvnjak%2Fadvent2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonduvnjak%2Fadvent2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6282f81257f3c08ee061bc6aa42f8b87619a4b8a
[INFO] checking jonduvnjak/advent2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonduvnjak%2Fadvent2" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonduvnjak/advent2 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jonduvnjak/advent2
[INFO] finished tweaking git repo https://github.com/jonduvnjak/advent2
[INFO] tweaked toml for git repo https://github.com/jonduvnjak/advent2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jonduvnjak/advent2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcd7dcdd996b247cba8d2735dfa6c85029dfd92f4f33f73ed08b24645a83f214
[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" "bcd7dcdd996b247cba8d2735dfa6c85029dfd92f4f33f73ed08b24645a83f214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcd7dcdd996b247cba8d2735dfa6c85029dfd92f4f33f73ed08b24645a83f214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd7dcdd996b247cba8d2735dfa6c85029dfd92f4f33f73ed08b24645a83f214", kill_on_drop: false }`
[INFO] [stdout] bcd7dcdd996b247cba8d2735dfa6c85029dfd92f4f33f73ed08b24645a83f214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe68681e507716e6d574b3e235044124fdc8dc3f7d29fbcdcbb9cf1b1af14cad
[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" "fe68681e507716e6d574b3e235044124fdc8dc3f7d29fbcdcbb9cf1b1af14cad", kill_on_drop: false }`
[INFO] [stderr]     Checking advent2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `RANGE_iter` should have a snake case name
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut RANGE_iter = RANGE.iter();
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `range_iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `RANGE_iter` should have a snake case name
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut RANGE_iter = RANGE.iter();
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `range_iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "fe68681e507716e6d574b3e235044124fdc8dc3f7d29fbcdcbb9cf1b1af14cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe68681e507716e6d574b3e235044124fdc8dc3f7d29fbcdcbb9cf1b1af14cad", kill_on_drop: false }`
[INFO] [stdout] fe68681e507716e6d574b3e235044124fdc8dc3f7d29fbcdcbb9cf1b1af14cad