[INFO] cloning repository https://github.com/playmer/AoC2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/playmer/AoC2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplaymer%2FAoC2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplaymer%2FAoC2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 461e4073551d7bc630b20571bd4020b7600fe004
[INFO] checking playmer/AoC2020 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplaymer%2FAoC2020" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/playmer/AoC2020 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/playmer/AoC2020
[INFO] finished tweaking git repo https://github.com/playmer/AoC2020
[INFO] tweaked toml for git repo https://github.com/playmer/AoC2020 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/playmer/AoC2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", 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] afd2d63cfe042f801fdf2f519ba5d4781ddc8f34bc7f8bda426abb0febb3eaa5
[INFO] running `Command { std: "docker" "start" "-a" "afd2d63cfe042f801fdf2f519ba5d4781ddc8f34bc7f8bda426abb0febb3eaa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afd2d63cfe042f801fdf2f519ba5d4781ddc8f34bc7f8bda426abb0febb3eaa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afd2d63cfe042f801fdf2f519ba5d4781ddc8f34bc7f8bda426abb0febb3eaa5", kill_on_drop: false }`
[INFO] [stdout] afd2d63cfe042f801fdf2f519ba5d4781ddc8f34bc7f8bda426abb0febb3eaa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13fa47e4517b948487db0c97f6b17e64ecc51bcaee758a566fec713292af56ed
[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" "13fa47e4517b948487db0c97f6b17e64ecc51bcaee758a566fec713292af56ed", kill_on_drop: false }`
[INFO] [stderr]     Checking untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `cid`
[INFO] [stdout]    --> src/main.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 |     cid : String, //(Country ID)
[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] [stdout] warning: field is never read: `cid`
[INFO] [stdout]    --> src/main.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 |     cid : String, //(Country ID)
[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 0.63s
[INFO] running `Command { std: "docker" "inspect" "13fa47e4517b948487db0c97f6b17e64ecc51bcaee758a566fec713292af56ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13fa47e4517b948487db0c97f6b17e64ecc51bcaee758a566fec713292af56ed", kill_on_drop: false }`
[INFO] [stdout] 13fa47e4517b948487db0c97f6b17e64ecc51bcaee758a566fec713292af56ed