[INFO] updating cached repository ajfrantz/advent2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ajfrantz/advent2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ajfrantz/advent2018" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/ajfrantz/advent2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/ajfrantz/advent2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ajfrantz/advent2018" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ajfrantz/advent2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ajfrantz/advent2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e142839799b03d3b8299bed6e4f1d93e2b1193f3
[INFO] sha for GitHub repo ajfrantz/advent2018: e142839799b03d3b8299bed6e4f1d93e2b1193f3
[INFO] validating manifest of ajfrantz/advent2018 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ajfrantz/advent2018 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ajfrantz/advent2018
[INFO] finished frobbing ajfrantz/advent2018
[INFO] frobbed toml for ajfrantz/advent2018 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/ajfrantz/advent2018/Cargo.toml
[INFO] started frobbing ajfrantz/advent2018
[INFO] finished frobbing ajfrantz/advent2018
[INFO] frobbed toml for ajfrantz/advent2018 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ajfrantz/advent2018/Cargo.toml
[INFO] crate ajfrantz/advent2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ajfrantz/advent2018 against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-2/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ajfrantz/advent2018:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9e6e88ce51658909f7c2e1c7f8b836dad38320d41cef03b3e3fa9be4881f8f2b
[INFO] running `"docker" "start" "-a" "9e6e88ce51658909f7c2e1c7f8b836dad38320d41cef03b3e3fa9be4881f8f2b"`
[INFO] [stderr]     Checking slotmap v0.3.0
[INFO] [stderr]     Checking pathfinding v1.1.10
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling failure_derive v0.1.4
[INFO] [stderr]     Checking once_cell v0.1.6
[INFO] [stderr]     Checking cached v0.8.0
[INFO] [stderr]     Checking failure v0.1.4
[INFO] [stderr]     Checking advent2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: cannot borrow `machine` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/bin/21.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |         if let Some(instruction) = machine.instructions.get(ip) {
[INFO] [stderr]     |                                    -------------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 159 |             machine.execute(
[INFO] [stderr]     |             ^^^^^^^ mutable borrow occurs here
[INFO] [stderr] 160 |                 instruction.opcode,
[INFO] [stderr]     |                 ------------------ immutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `machine` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/bin/19.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |         if let Some(instruction) = machine.instructions.get(ip) {
[INFO] [stderr]     |                                    -------------------- immutable borrow occurs here
[INFO] [stderr] 141 |             machine.execute(
[INFO] [stderr]     |             ^^^^^^^ mutable borrow occurs here
[INFO] [stderr] 142 |                 instruction.opcode,
[INFO] [stderr]     |                 ------------------ immutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw`
[INFO] [stderr]   --> src/bin/22.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn draw(grid: &Vec<Vec<RegionType>>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw`
[INFO] [stderr]   --> src/bin/22.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn draw(grid: &Vec<Vec<RegionType>>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `machine` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/bin/19.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |         if let Some(instruction) = machine.instructions.get(ip) {
[INFO] [stderr]     |                                    -------------------- immutable borrow occurs here
[INFO] [stderr] 141 |             machine.execute(
[INFO] [stderr]     |             ^^^^^^^ mutable borrow occurs here
[INFO] [stderr] 142 |                 instruction.opcode,
[INFO] [stderr]     |                 ------------------ immutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `machine` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/bin/21.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 133 |         if let Some(instruction) = machine.instructions.get(ip) {
[INFO] [stderr]     |                                    -------------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 159 |             machine.execute(
[INFO] [stderr]     |             ^^^^^^^ mutable borrow occurs here
[INFO] [stderr] 160 |                 instruction.opcode,
[INFO] [stderr]     |                 ------------------ immutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.71s
[INFO] running `"docker" "inspect" "9e6e88ce51658909f7c2e1c7f8b836dad38320d41cef03b3e3fa9be4881f8f2b"`
[INFO] running `"docker" "rm" "-f" "9e6e88ce51658909f7c2e1c7f8b836dad38320d41cef03b3e3fa9be4881f8f2b"`
[INFO] [stdout] 9e6e88ce51658909f7c2e1c7f8b836dad38320d41cef03b3e3fa9be4881f8f2b