[INFO] updating cached repository https://github.com/mmueller/advent2016
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ae140beb832ff98fd285c54d7100d9835c2399a1
[INFO] checking mmueller/advent2016 against nightly-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmueller%2Fadvent2016" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmueller/advent2016 on toolchain nightly-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mmueller/advent2016
[INFO] finished tweaking git repo https://github.com/mmueller/advent2016
[INFO] tweaked toml for git repo https://github.com/mmueller/advent2016 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mmueller/advent2016 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a2abcf0c7e21ae917b73afdb9daf0b981b580f2cf67465bab3b69b9668b4f641
[INFO] running `"docker" "start" "-a" "a2abcf0c7e21ae917b73afdb9daf0b981b580f2cf67465bab3b69b9668b4f641"`
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking backtrace v0.3.0
[INFO] [stderr]     Checking error-chain v0.7.1
[INFO] [stderr]     Checking advent2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0503]: cannot use `day` because it was mutably borrowed
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     parser.refer(&mut day)
[INFO] [stderr]    |                  -------- borrow of `day` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 34 |         Some(1) => day1::day1(),
[INFO] [stderr]    |         ^^^^^^^ use of borrowed `day`
[INFO] [stderr] ...
[INFO] [stderr] 62 | }
[INFO] [stderr]    | - borrow might be used here, when `parser` is dropped and runs the destructor for type `argparse::ArgumentParser<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0503]: cannot use `day.0` because it was mutably borrowed
[INFO] [stderr]   --> src/main.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 29 |     parser.refer(&mut day)
[INFO] [stderr]    |                  -------- borrow of `day` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 34 |         Some(1) => day1::day1(),
[INFO] [stderr]    |              ^ use of borrowed `day`
[INFO] [stderr] ...
[INFO] [stderr] 62 | }
[INFO] [stderr]    | - borrow might be used here, when `parser` is dropped and runs the destructor for type `argparse::ArgumentParser<'_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0503`.
[INFO] [stderr] error: could not compile `advent2016`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0503]: cannot use `day` because it was mutably borrowed
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     parser.refer(&mut day)
[INFO] [stderr]    |                  -------- borrow of `day` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 34 |         Some(1) => day1::day1(),
[INFO] [stderr]    |         ^^^^^^^ use of borrowed `day`
[INFO] [stderr] ...
[INFO] [stderr] 62 | }
[INFO] [stderr]    | - borrow might be used here, when `parser` is dropped and runs the destructor for type `argparse::ArgumentParser<'_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0503]: cannot use `day.0` because it was mutably borrowed
[INFO] [stderr]   --> src/main.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 29 |     parser.refer(&mut day)
[INFO] [stderr]    |                  -------- borrow of `day` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 34 |         Some(1) => day1::day1(),
[INFO] [stderr]    |              ^ use of borrowed `day`
[INFO] [stderr] ...
[INFO] [stderr] 62 | }
[INFO] [stderr]    | - borrow might be used here, when `parser` is dropped and runs the destructor for type `argparse::ArgumentParser<'_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0503`.
[INFO] [stderr] error: could not compile `advent2016`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a2abcf0c7e21ae917b73afdb9daf0b981b580f2cf67465bab3b69b9668b4f641"`
[INFO] running `"docker" "rm" "-f" "a2abcf0c7e21ae917b73afdb9daf0b981b580f2cf67465bab3b69b9668b4f641"`
[INFO] [stdout] a2abcf0c7e21ae917b73afdb9daf0b981b580f2cf67465bab3b69b9668b4f641