[INFO] updating cached repository daxhuiberts/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/daxhuiberts/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/daxhuiberts/advent-of-code-2018" "work/ex/beta-1.38-1/sources/1.37.0/gh/daxhuiberts/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/daxhuiberts/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/daxhuiberts/advent-of-code-2018" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/daxhuiberts/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/daxhuiberts/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 36e06af35c718a3ab8ebd2849405995b948b9f52
[INFO] sha for GitHub repo daxhuiberts/advent-of-code-2018: 36e06af35c718a3ab8ebd2849405995b948b9f52
[INFO] validating manifest of daxhuiberts/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 daxhuiberts/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 daxhuiberts/advent-of-code-2018
[INFO] finished frobbing daxhuiberts/advent-of-code-2018
[INFO] frobbed toml for daxhuiberts/advent-of-code-2018 written to work/ex/beta-1.38-1/sources/1.37.0/gh/daxhuiberts/advent-of-code-2018/Cargo.toml
[INFO] started frobbing daxhuiberts/advent-of-code-2018
[INFO] finished frobbing daxhuiberts/advent-of-code-2018
[INFO] frobbed toml for daxhuiberts/advent-of-code-2018 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/daxhuiberts/advent-of-code-2018/Cargo.toml
[INFO] crate daxhuiberts/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 daxhuiberts/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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/daxhuiberts/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] ad0c80f640c2b963170892169f52d915cb6544a6267084b55abc7993c88f38e3
[INFO] running `"docker" "start" "-a" "ad0c80f640c2b963170892169f52d915cb6544a6267084b55abc7993c88f38e3"`
[INFO] [stderr]    Compiling linked-list v0.0.3
[INFO] [stderr]    Compiling aoc-runner v0.2.2
[INFO] [stderr]    Compiling aoctools v0.1.0 (https://github.com/daxhuiberts/aoctools#afdeb66f)
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling aoc-runner-internal v0.1.0
[INFO] [stderr]    Compiling aoc-runner-derive v0.2.2
[INFO] [stderr]    Compiling aoc18 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: proc macro panicked
[INFO] [stderr]   --> src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | 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 `aoc18`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ad0c80f640c2b963170892169f52d915cb6544a6267084b55abc7993c88f38e3"`
[INFO] running `"docker" "rm" "-f" "ad0c80f640c2b963170892169f52d915cb6544a6267084b55abc7993c88f38e3"`
[INFO] [stdout] ad0c80f640c2b963170892169f52d915cb6544a6267084b55abc7993c88f38e3