[INFO] updating cached repository cassava/aoc17.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cassava/aoc17.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cassava/aoc17.rs" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/cassava/aoc17.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/cassava/aoc17.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cassava/aoc17.rs" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/cassava/aoc17.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/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#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cassava/aoc17.rs on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-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-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/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-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/cassava/aoc17.rs/Cargo.toml
[INFO] crate cassava/aoc17.rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cassava/aoc17.rs against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-2/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/cassava/aoc17.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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 227ff9e4d5cae2ec4a69050894dee95559a0d4599f333f30819ec01ac943e9d6
[INFO] running `"docker" "start" "-a" "227ff9e4d5cae2ec4a69050894dee95559a0d4599f333f30819ec01ac943e9d6"`
[INFO] [stderr]     Checking aoc v0.16.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/bin/07_tree.rs:312:9
[INFO] [stderr]     |
[INFO] [stderr] 312 | /         lazy_static! {
[INFO] [stderr] 313 | |             static ref RE: Regex = Regex::new(
[INFO] [stderr] 314 | |                 r"^(?P<name>[[:alpha:]]+) \((?P<weight>\d+)\)(?: -> (?P<children>(?:[[:alpha:]]+(?:, )?)+))?$"
[INFO] [stderr] 315 | |             ).unwrap();
[INFO] [stderr] 316 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[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] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/bin/07_tree.rs:312:9
[INFO] [stderr]     |
[INFO] [stderr] 312 | /         lazy_static! {
[INFO] [stderr] 313 | |             static ref RE: Regex = Regex::new(
[INFO] [stderr] 314 | |                 r"^(?P<name>[[:alpha:]]+) \((?P<weight>\d+)\)(?: -> (?P<children>(?:[[:alpha:]]+(?:, )?)+))?$"
[INFO] [stderr] 315 | |             ).unwrap();
[INFO] [stderr] 316 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[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] error: build failed
[INFO] running `"docker" "inspect" "227ff9e4d5cae2ec4a69050894dee95559a0d4599f333f30819ec01ac943e9d6"`
[INFO] running `"docker" "rm" "-f" "227ff9e4d5cae2ec4a69050894dee95559a0d4599f333f30819ec01ac943e9d6"`
[INFO] [stdout] 227ff9e4d5cae2ec4a69050894dee95559a0d4599f333f30819ec01ac943e9d6