[INFO] updating cached repository nrxus/advent_2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nrxus/advent_2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nrxus/advent_2018" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/nrxus/advent_2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/nrxus/advent_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nrxus/advent_2018" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/nrxus/advent_2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/nrxus/advent_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df93fde1bcd1c67d18b365659e21c3fe3a3e04d0
[INFO] sha for GitHub repo nrxus/advent_2018: df93fde1bcd1c67d18b365659e21c3fe3a3e04d0
[INFO] validating manifest of nrxus/advent_2018 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nrxus/advent_2018 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nrxus/advent_2018
[INFO] finished frobbing nrxus/advent_2018
[INFO] frobbed toml for nrxus/advent_2018 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/nrxus/advent_2018/Cargo.toml
[INFO] started frobbing nrxus/advent_2018
[INFO] finished frobbing nrxus/advent_2018
[INFO] frobbed toml for nrxus/advent_2018 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/nrxus/advent_2018/Cargo.toml
[INFO] crate nrxus/advent_2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nrxus/advent_2018 against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-2/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/nrxus/advent_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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 173d7d5903f4a6ebbe823bac53cdc30a96011a80e98534dd2b46dae86619fae8
[INFO] running `"docker" "start" "-a" "173d7d5903f4a6ebbe823bac53cdc30a96011a80e98534dd2b46dae86619fae8"`
[INFO] [stderr]    Compiling crc32fast v1.1.1
[INFO] [stderr]     Checking strum v0.13.0
[INFO] [stderr]     Checking memchr v2.1.2
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking enum-map v0.4.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking hyper v0.12.16
[INFO] [stderr]    Compiling strum_macros v0.13.0
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.5
[INFO] [stderr]     Checking advent_2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/twenty_five.rs:40:32
[INFO] [stderr]    |
[INFO] [stderr] 40 |     type Err = std::boxed::Box<std::error::Error>;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ten_a.rs:47:20
[INFO] [stderr]    |
[INFO] [stderr] 47 |     type Err = Box<std::error::Error>;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ten_b.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |     type Err = Box<std::error::Error>;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/fourteen_a.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Answer(array![|x| scores[x]; 10])
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ten_a.rs:47:20
[INFO] [stderr]    |
[INFO] [stderr] 47 |     type Err = Box<std::error::Error>;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/twenty_three_b.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 | /         array![|i| Region {
[INFO] [stderr] 262 | |             bounds: boxes[i],
[INFO] [stderr] 263 | |             nanobots: self.nanobots.iter().filter(|n| n.intersects(&boxes[i])).cloned().collect()
[INFO] [stderr] 264 | |         }; 8]
[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: function is never used: `cart_product`
[INFO] [stderr]   --> src/extensions.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | / pub fn cart_product<A: Copy, B: Copy>(
[INFO] [stderr] 18 | |     a: impl Iterator<Item = A>,
[INFO] [stderr] 19 | |     b: impl Iterator<Item = B> + Clone,
[INFO] [stderr] 20 | | ) -> impl Iterator<Item = (A, B)> {
[INFO] [stderr] 21 | |     a.flat_map(move |a| b.clone().map(move |b| (a, b)))
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/twenty_three_b.rs:261:9
[INFO] [stderr]     |
[INFO] [stderr] 261 | /         array![|i| Region {
[INFO] [stderr] 262 | |             bounds: boxes[i],
[INFO] [stderr] 263 | |             nanobots: self.nanobots.iter().filter(|n| n.intersects(&boxes[i])).cloned().collect()
[INFO] [stderr] 264 | |         }; 8]
[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: function is never used: `cart_product`
[INFO] [stderr]   --> src/extensions.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | / pub fn cart_product<A: Copy, B: Copy>(
[INFO] [stderr] 18 | |     a: impl Iterator<Item = A>,
[INFO] [stderr] 19 | |     b: impl Iterator<Item = B> + Clone,
[INFO] [stderr] 20 | | ) -> impl Iterator<Item = (A, B)> {
[INFO] [stderr] 21 | |     a.flat_map(move |a| b.clone().map(move |b| (a, b)))
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/twenty_five.rs:40:32
[INFO] [stderr]    |
[INFO] [stderr] 40 |     type Err = std::boxed::Box<std::error::Error>;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ten_b.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |     type Err = Box<std::error::Error>;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/fourteen_a.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Answer(array![|x| scores[x]; 10])
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2m 40s
[INFO] running `"docker" "inspect" "173d7d5903f4a6ebbe823bac53cdc30a96011a80e98534dd2b46dae86619fae8"`
[INFO] running `"docker" "rm" "-f" "173d7d5903f4a6ebbe823bac53cdc30a96011a80e98534dd2b46dae86619fae8"`
[INFO] [stdout] 173d7d5903f4a6ebbe823bac53cdc30a96011a80e98534dd2b46dae86619fae8