[INFO] cloning repository jseward/advent-of-code-2018
[INFO] running `"git" "clone" "--bare" "git://github.com/jseward/advent-of-code-2018.git" "work/cache/sources/gh/jseward/advent-of-code-2018"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jseward/advent-of-code-2018'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jseward/advent-of-code-2018" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jseward/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jseward/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jseward/advent-of-code-2018" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jseward/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jseward/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c612b5492fd95fdbaae33f9edf0a8f5689587dfa
[INFO] sha for GitHub repo jseward/advent-of-code-2018: c612b5492fd95fdbaae33f9edf0a8f5689587dfa
[INFO] validating manifest of jseward/advent-of-code-2018 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jseward/advent-of-code-2018 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jseward/advent-of-code-2018
[INFO] finished frobbing jseward/advent-of-code-2018
[INFO] frobbed toml for jseward/advent-of-code-2018 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jseward/advent-of-code-2018/Cargo.toml
[INFO] started frobbing jseward/advent-of-code-2018
[INFO] finished frobbing jseward/advent-of-code-2018
[INFO] frobbed toml for jseward/advent-of-code-2018 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jseward/advent-of-code-2018/Cargo.toml
[INFO] crate jseward/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aoc-runner-derive v0.1.4
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jseward/advent-of-code-2018 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jseward/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 06339a252ceb05ff59fd886dd1f8cbbabd23291c0bcea2488f5159c1d8630e01
[INFO] running `"docker" "start" "-a" "06339a252ceb05ff59fd886dd1f8cbbabd23291c0bcea2488f5159c1d8630e01"`
[INFO] [stderr]    Compiling aoc-runner v0.1.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling aoc-runner-internal v0.1.0
[INFO] [stderr]    Compiling aoc-runner-derive v0.1.4
[INFO] [stderr]    Compiling advent-of-code-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: proc macro panicked
[INFO] [stderr]   --> src/lib.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | aoc_lib!{ year = 2018 }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: message: called `Result::unwrap()` on an `Err` value: 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" "06339a252ceb05ff59fd886dd1f8cbbabd23291c0bcea2488f5159c1d8630e01"`
[INFO] running `"docker" "rm" "-f" "06339a252ceb05ff59fd886dd1f8cbbabd23291c0bcea2488f5159c1d8630e01"`
[INFO] [stdout] 06339a252ceb05ff59fd886dd1f8cbbabd23291c0bcea2488f5159c1d8630e01