[INFO] cloning repository https://github.com/wackywendell/adventofcode2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wackywendell/adventofcode2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwackywendell%2Fadventofcode2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwackywendell%2Fadventofcode2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df436d847f2f52d091a9ac8be402d6efef68a3ea
[INFO] testing wackywendell/adventofcode2019 against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwackywendell%2Fadventofcode2019" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wackywendell/adventofcode2019 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wackywendell/adventofcode2019
[INFO] finished tweaking git repo https://github.com/wackywendell/adventofcode2019
[INFO] tweaked toml for git repo https://github.com/wackywendell/adventofcode2019 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/wackywendell/adventofcode2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e75902381e0e26e74f44cfde85940f8470c93cbf557802743382a4bf57128a98
[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" "e75902381e0e26e74f44cfde85940f8470c93cbf557802743382a4bf57128a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e75902381e0e26e74f44cfde85940f8470c93cbf557802743382a4bf57128a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e75902381e0e26e74f44cfde85940f8470c93cbf557802743382a4bf57128a98", kill_on_drop: false }`
[INFO] [stdout] e75902381e0e26e74f44cfde85940f8470c93cbf557802743382a4bf57128a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49a73acc67d10bd334ef55a7b68ff98042ea6b22a1010f56d20e418db53d7fa3
[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" "49a73acc67d10bd334ef55a7b68ff98042ea6b22a1010f56d20e418db53d7fa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name day20 --edition=2018 src/day20/main.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=30f6d874ec2802ca -C extra-filename=-30f6d874ec2802ca --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7f6c45dfb0b498f5.rlib --extern aoc=/opt/rustwide/target/debug/deps/libaoc-9575c62ae46841fb.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-d284bc30e14383e1.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-05dad3deba65cda2.rlib --extern itertools=/opt/rustwide/target/debug/deps/libitertools-b2fbdcfc1d13d29e.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e85f58044ae91ffe.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-15070a27141f31ca.rlib --extern text_io=/opt/rustwide/target/debug/deps/libtext_io-1c684b5288b308e7.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-1910e3c06b5df5ad.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "49a73acc67d10bd334ef55a7b68ff98042ea6b22a1010f56d20e418db53d7fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a73acc67d10bd334ef55a7b68ff98042ea6b22a1010f56d20e418db53d7fa3", kill_on_drop: false }`
[INFO] [stdout] 49a73acc67d10bd334ef55a7b68ff98042ea6b22a1010f56d20e418db53d7fa3