[INFO] updating cached repository nitros12/advent_of_code_2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nitros12/advent_of_code_2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nitros12/advent_of_code_2018" "work/ex/beta-1.38-1/sources/1.37.0/gh/nitros12/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nitros12/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nitros12/advent_of_code_2018" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nitros12/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nitros12/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 89addd68c6cb47acc74bf084c86cd9e068d8f6ed
[INFO] sha for GitHub repo nitros12/advent_of_code_2018: 89addd68c6cb47acc74bf084c86cd9e068d8f6ed
[INFO] validating manifest of nitros12/advent_of_code_2018 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nitros12/advent_of_code_2018 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nitros12/advent_of_code_2018
[INFO] finished frobbing nitros12/advent_of_code_2018
[INFO] frobbed toml for nitros12/advent_of_code_2018 written to work/ex/beta-1.38-1/sources/1.37.0/gh/nitros12/advent_of_code_2018/Cargo.toml
[INFO] started frobbing nitros12/advent_of_code_2018
[INFO] finished frobbing nitros12/advent_of_code_2018
[INFO] frobbed toml for nitros12/advent_of_code_2018 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nitros12/advent_of_code_2018/Cargo.toml
[INFO] crate nitros12/advent_of_code_2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nitros12/advent_of_code_2018 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nitros12/advent_of_code_2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 068baa316944d3bfe3cfd9b1e4ebcb6b16cd923714c64437be2f9e0d82a8a8f4
[INFO] running `"docker" "start" "-a" "068baa316944d3bfe3cfd9b1e4ebcb6b16cd923714c64437be2f9e0d82a8a8f4"`
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling clamp v0.1.0
[INFO] [stderr]    Compiling pdqselect v0.1.0
[INFO] [stderr]    Compiling aoc-runner v0.2.2
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling hashbrown v0.1.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling ropey v0.9.2
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling nalgebra v0.16.12
[INFO] [stderr]    Compiling ndarray-parallel v0.9.0
[INFO] [stderr]    Compiling aoc-runner-internal v0.1.0
[INFO] [stderr]    Compiling aoc-runner-derive v0.2.2
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.12/src/base/cg.rs:291:44
[INFO] [stderr]     |
[INFO] [stderr] 291 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling spade v1.6.0
[INFO] [stderr]    Compiling advent_of_code_2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: proc macro panicked
[INFO] [stderr]   --> src/lib.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | aoc_lib!{ year = 2018 }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: message: failed to write infos from lib: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `advent_of_code_2018`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "068baa316944d3bfe3cfd9b1e4ebcb6b16cd923714c64437be2f9e0d82a8a8f4"`
[INFO] running `"docker" "rm" "-f" "068baa316944d3bfe3cfd9b1e4ebcb6b16cd923714c64437be2f9e0d82a8a8f4"`
[INFO] [stdout] 068baa316944d3bfe3cfd9b1e4ebcb6b16cd923714c64437be2f9e0d82a8a8f4