[INFO] cloning repository cassava/aoc17.rs
[INFO] running `"git" "clone" "--bare" "git://github.com/cassava/aoc17.rs.git" "work/cache/sources/gh/cassava/aoc17.rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/cassava/aoc17.rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/cassava/aoc17.rs" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/cassava/aoc17.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/cassava/aoc17.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cassava/aoc17.rs" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/cassava/aoc17.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/cassava/aoc17.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d9ba0ef500b1e44302cddbaf3eb803214fe33c3d
[INFO] sha for GitHub repo cassava/aoc17.rs: d9ba0ef500b1e44302cddbaf3eb803214fe33c3d
[INFO] validating manifest of cassava/aoc17.rs on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cassava/aoc17.rs on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cassava/aoc17.rs
[INFO] finished frobbing cassava/aoc17.rs
[INFO] frobbed toml for cassava/aoc17.rs written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/cassava/aoc17.rs/Cargo.toml
[INFO] started frobbing cassava/aoc17.rs
[INFO] finished frobbing cassava/aoc17.rs
[INFO] frobbed toml for cassava/aoc17.rs written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/cassava/aoc17.rs/Cargo.toml
[INFO] crate cassava/aoc17.rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cassava/aoc17.rs against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/cassava/aoc17.rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 00fdf6ddaef3854c174edc3393a05299ccc931473926eedf6651d98b5e24bfd0
[INFO] running `"docker" "start" "-a" "00fdf6ddaef3854c174edc3393a05299ccc931473926eedf6651d98b5e24bfd0"`
[INFO] [stderr]     Checking aoc v0.16.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `val` is never read
[INFO] [stderr]    --> src/bin/17_vortex.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let mut val = if watch == 0 { Some(0) } else { None };
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `val` is never read
[INFO] [stderr]    --> src/bin/17_vortex.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |             val = Some(i);
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `18_duet`
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider adding a `main` function to `src/bin/18_duet.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: Could not compile `aoc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: value assigned to `val` is never read
[INFO] [stderr]    --> src/bin/17_vortex.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let mut val = if watch == 0 { Some(0) } else { None };
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `val` is never read
[INFO] [stderr]    --> src/bin/17_vortex.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |             val = Some(i);
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "00fdf6ddaef3854c174edc3393a05299ccc931473926eedf6651d98b5e24bfd0"`
[INFO] running `"docker" "rm" "-f" "00fdf6ddaef3854c174edc3393a05299ccc931473926eedf6651d98b5e24bfd0"`
[INFO] [stdout] 00fdf6ddaef3854c174edc3393a05299ccc931473926eedf6651d98b5e24bfd0