[INFO] updating cached repository yuri91/aoc2018-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yuri91/aoc2018-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yuri91/aoc2018-rs" "work/ex/clippy-test-run/sources/stable/gh/yuri91/aoc2018-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/yuri91/aoc2018-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yuri91/aoc2018-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yuri91/aoc2018-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yuri91/aoc2018-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2b65201e567f530b1a99edcfd17b2444610aa8a0
[INFO] sha for GitHub repo yuri91/aoc2018-rs: 2b65201e567f530b1a99edcfd17b2444610aa8a0
[INFO] validating manifest of yuri91/aoc2018-rs on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yuri91/aoc2018-rs on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yuri91/aoc2018-rs
[INFO] finished frobbing yuri91/aoc2018-rs
[INFO] frobbed toml for yuri91/aoc2018-rs written to work/ex/clippy-test-run/sources/stable/gh/yuri91/aoc2018-rs/Cargo.toml
[INFO] started frobbing yuri91/aoc2018-rs
[INFO] finished frobbing yuri91/aoc2018-rs
[INFO] frobbed toml for yuri91/aoc2018-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yuri91/aoc2018-rs/Cargo.toml
[INFO] crate yuri91/aoc2018-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting yuri91/aoc2018-rs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/yuri91/aoc2018-rs:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 85f4865fbc18e404c4ec5067ed1bce3cdf1c051bc6a3626d7671fce5e2884b33
[INFO] running `"docker" "start" "-a" "85f4865fbc18e404c4ec5067ed1bce3cdf1c051bc6a3626d7671fce5e2884b33"`
[INFO] [stderr]     Checking aoc-runner v0.1.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling aoc-runner-internal v0.1.0
[INFO] [stderr]    Compiling aoc-runner-derive v0.1.6
[INFO] [stderr]     Checking aoc2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: consider choosing a more descriptive name
[INFO] [stderr]   --> src/day2.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let (_2, _3) = checksum(i);
[INFO] [stderr]    |              ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::just_underscores_and_digits)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#just_underscores_and_digits
[INFO] [stderr] 
[INFO] [stderr] warning: consider choosing a more descriptive name
[INFO] [stderr]   --> src/day2.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let (_2, _3) = checksum(i);
[INFO] [stderr]    |                  ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#just_underscores_and_digits
[INFO] [stderr] 
[INFO] [stderr] warning: consider choosing a more descriptive name
[INFO] [stderr]   --> src/day2.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let (_2, _3) = checksum(i);
[INFO] [stderr]    |              ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::just_underscores_and_digits)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#just_underscores_and_digits
[INFO] [stderr] 
[INFO] [stderr] warning: consider choosing a more descriptive name
[INFO] [stderr]   --> src/day2.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let (_2, _3) = checksum(i);
[INFO] [stderr]    |                  ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#just_underscores_and_digits
[INFO] [stderr] 
[INFO] [stderr] error: proc macro panicked
[INFO] [stderr]   --> src/lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | 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 `aoc2018`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: proc macro panicked
[INFO] [stderr]   --> src/lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | 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 `aoc2018`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "85f4865fbc18e404c4ec5067ed1bce3cdf1c051bc6a3626d7671fce5e2884b33"`
[INFO] running `"docker" "rm" "-f" "85f4865fbc18e404c4ec5067ed1bce3cdf1c051bc6a3626d7671fce5e2884b33"`
[INFO] [stdout] 85f4865fbc18e404c4ec5067ed1bce3cdf1c051bc6a3626d7671fce5e2884b33