[INFO] cloning repository https://github.com/ollieatkinson/2017_sky_christmas_challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ollieatkinson/2017_sky_christmas_challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Follieatkinson%2F2017_sky_christmas_challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Follieatkinson%2F2017_sky_christmas_challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4763aee435f5c5306358a0eebfeb85fdc58ee8b8
[INFO] checking ollieatkinson/2017_sky_christmas_challenge against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Follieatkinson%2F2017_sky_christmas_challenge" "/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/ollieatkinson/2017_sky_christmas_challenge on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ollieatkinson/2017_sky_christmas_challenge
[INFO] finished tweaking git repo https://github.com/ollieatkinson/2017_sky_christmas_challenge
[INFO] tweaked toml for git repo https://github.com/ollieatkinson/2017_sky_christmas_challenge written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ollieatkinson/2017_sky_christmas_challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac0eb9045b49555d740c73712c36e8b6fb3ed5f15bed9bc143954a212ed27e84
[INFO] running `Command { std: "docker" "start" "-a" "ac0eb9045b49555d740c73712c36e8b6fb3ed5f15bed9bc143954a212ed27e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0eb9045b49555d740c73712c36e8b6fb3ed5f15bed9bc143954a212ed27e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0eb9045b49555d740c73712c36e8b6fb3ed5f15bed9bc143954a212ed27e84", kill_on_drop: false }`
[INFO] [stdout] ac0eb9045b49555d740c73712c36e8b6fb3ed5f15bed9bc143954a212ed27e84
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95a60f29e64d0ee6c97c0e05cb46b65615e3259e7e355ebcae41cb9d6fe6edee
[INFO] running `Command { std: "docker" "start" "-a" "95a60f29e64d0ee6c97c0e05cb46b65615e3259e7e355ebcae41cb9d6fe6edee", kill_on_drop: false }`
[INFO] [stderr]     Checking xmas_challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `PRESENTS` not defined
[INFO] [stdout]  --> src/main.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let input = env!("PRESENTS");
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `PRESENTS` not defined
[INFO] [stdout]  --> src/main.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let input = env!("PRESENTS");
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xmas_challenge` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "95a60f29e64d0ee6c97c0e05cb46b65615e3259e7e355ebcae41cb9d6fe6edee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a60f29e64d0ee6c97c0e05cb46b65615e3259e7e355ebcae41cb9d6fe6edee", kill_on_drop: false }`
[INFO] [stdout] 95a60f29e64d0ee6c97c0e05cb46b65615e3259e7e355ebcae41cb9d6fe6edee