[INFO] updating cached repository https://github.com/akofke/adventofcode2018
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 39ad6d0c30ddacbf2134641f9a4bca57b0f80c06
[INFO] testing akofke/adventofcode2018 against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakofke%2Fadventofcode2018" "work/builds/worker-11/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akofke/adventofcode2018 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/akofke/adventofcode2018
[INFO] finished tweaking git repo https://github.com/akofke/adventofcode2018
[INFO] tweaked toml for git repo https://github.com/akofke/adventofcode2018 written to work/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/akofke/adventofcode2018 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 6c36065e3f6218cd6e106af711c84c59f6be2d7e4d8d353a6928e22c00b81832
[INFO] running `"docker" "start" "-a" "6c36065e3f6218cd6e106af711c84c59f6be2d7e4d8d353a6928e22c00b81832"`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling aoc-runner v0.2.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling bmp v0.4.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]    Compiling serde_derive v1.0.83
[INFO] [stderr]    Compiling aoc-runner-internal v0.1.0
[INFO] [stderr]    Compiling aoc-runner-derive v0.2.2
[INFO] [stderr]    Compiling adventofcode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: proc macro panicked
[INFO] [stderr]   --> src/lib.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | 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 `adventofcode2018`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6c36065e3f6218cd6e106af711c84c59f6be2d7e4d8d353a6928e22c00b81832"`
[INFO] running `"docker" "rm" "-f" "6c36065e3f6218cd6e106af711c84c59f6be2d7e4d8d353a6928e22c00b81832"`
[INFO] [stdout] 6c36065e3f6218cd6e106af711c84c59f6be2d7e4d8d353a6928e22c00b81832