[INFO] updating cached repository nikofil/advent-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nikofil/advent-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nikofil/advent-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/nikofil/advent-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nikofil/advent-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nikofil/advent-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nikofil/advent-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nikofil/advent-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 36c27b977de71eb487f3d922df37b0da7868e123
[INFO] sha for GitHub repo nikofil/advent-rust: 36c27b977de71eb487f3d922df37b0da7868e123
[INFO] validating manifest of nikofil/advent-rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nikofil/advent-rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nikofil/advent-rust
[INFO] finished frobbing nikofil/advent-rust
[INFO] frobbed toml for nikofil/advent-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/nikofil/advent-rust/Cargo.toml
[INFO] started frobbing nikofil/advent-rust
[INFO] finished frobbing nikofil/advent-rust
[INFO] frobbed toml for nikofil/advent-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nikofil/advent-rust/Cargo.toml
[INFO] crate nikofil/advent-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nikofil/advent-rust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nikofil/advent-rust:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] a6c648580b5a56de40de882489126c4ff4e8488c807a15b83b48fa709e84faa1
[INFO] running `"docker" "start" "-a" "a6c648580b5a56de40de882489126c4ff4e8488c807a15b83b48fa709e84faa1"`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling advent-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]   --> src/bin/day15_2.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::process::exit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn is_enemy(&self, &Player) -> bool;
[INFO] [stderr]    |                         ^^^^^^ help: use `dyn`: `dyn Player`
[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/bin/day15_2.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl PartialEq<Player> for Player {
[INFO] [stderr]    |                ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:30:28
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl PartialEq<Player> for Player {
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn eq(&self, other: &Player) -> bool {
[INFO] [stderr]    |                          ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 | impl PartialOrd<Player> for Player {
[INFO] [stderr]    |                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:36:29
[INFO] [stderr]    |
[INFO] [stderr] 36 | impl PartialOrd<Player> for Player {
[INFO] [stderr]    |                             ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:37:35
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn partial_cmp(&self, other: &Player) -> Option<Ordering> {
[INFO] [stderr]    |                                   ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:42:14
[INFO] [stderr]    |
[INFO] [stderr] 42 | impl Ord for Player {
[INFO] [stderr]    |              ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 | impl Eq for Player {}
[INFO] [stderr]    |             ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:88:28
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_2.rs:117:28
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stderr]     |                            ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_2.rs:264:50
[INFO] [stderr]     |
[INFO] [stderr] 264 | fn setatk(x: usize, y: usize, v: &Board, b: &Box<Player>) -> Option<(usize, usize, i32)> {
[INFO] [stderr]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_2.rs:296:51
[INFO] [stderr]     |
[INFO] [stderr] 296 |     fn take(&mut self, x: usize, y: usize) -> Box<Player> {
[INFO] [stderr]     |                                                   ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_2.rs:306:50
[INFO] [stderr]     |
[INFO] [stderr] 306 |     fn set(&mut self, x: usize, y: usize, p: Box<Player>) {
[INFO] [stderr]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/day15_2.rs:336:17
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 f.write_str(i);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day9_1.rs:65:24
[INFO] [stderr]    |
[INFO] [stderr] 65 |                     Ok(mut x) => x.borrow_mut().next.take(),
[INFO] [stderr]    |                        ----^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day9_2.rs:65:24
[INFO] [stderr]    |
[INFO] [stderr] 65 |                     Ok(mut x) => x.borrow_mut().next.take(),
[INFO] [stderr]    |                        ----^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn is_enemy(&self, &Player) -> bool;
[INFO] [stderr]    |                         ^^^^^^ help: use `dyn`: `dyn Player`
[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/bin/day15_1.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl PartialEq<Player> for Player {
[INFO] [stderr]    |                ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:29:28
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl PartialEq<Player> for Player {
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn eq(&self, other: &Player) -> bool {
[INFO] [stderr]    |                          ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl PartialOrd<Player> for Player {
[INFO] [stderr]    |                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:35:29
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl PartialOrd<Player> for Player {
[INFO] [stderr]    |                             ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:36:35
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn partial_cmp(&self, other: &Player) -> Option<Ordering> {
[INFO] [stderr]    |                                   ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:41:14
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl Ord for Player {
[INFO] [stderr]    |              ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 | impl Eq for Player {}
[INFO] [stderr]    |             ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:86:28
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_1.rs:110:28
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stderr]     |                            ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_1.rs:234:50
[INFO] [stderr]     |
[INFO] [stderr] 234 | fn setatk(x: usize, y: usize, v: &Board, b: &Box<Player>) -> Option<(usize, usize, i32)> {
[INFO] [stderr]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_1.rs:266:51
[INFO] [stderr]     |
[INFO] [stderr] 266 |     fn take(&mut self, x: usize, y: usize) -> Box<Player> {
[INFO] [stderr]     |                                                   ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_1.rs:276:50
[INFO] [stderr]     |
[INFO] [stderr] 276 |     fn set(&mut self, x: usize, y: usize, p: Box<Player>) {
[INFO] [stderr]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/bin/day14_1.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     println!("{}", i);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] 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: variable `i` is assigned to, but never used
[INFO] [stderr]  --> src/bin/day14_1.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut i = 0;
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr]   = note: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/day15_1.rs:306:17
[INFO] [stderr]     |
[INFO] [stderr] 306 |                 f.write_str(i);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.31s
[INFO] running `"docker" "inspect" "a6c648580b5a56de40de882489126c4ff4e8488c807a15b83b48fa709e84faa1"`
[INFO] running `"docker" "rm" "-f" "a6c648580b5a56de40de882489126c4ff4e8488c807a15b83b48fa709e84faa1"`
[INFO] [stdout] a6c648580b5a56de40de882489126c4ff4e8488c807a15b83b48fa709e84faa1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nikofil/advent-rust:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5654fca5cd398691447f602d4ca3583247eb5d102c46e8eb57a225f875a5c7ce
[INFO] running `"docker" "start" "-a" "5654fca5cd398691447f602d4ca3583247eb5d102c46e8eb57a225f875a5c7ce"`
[INFO] [stderr]    Compiling advent-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]   --> src/bin/day15_2.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::process::exit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn is_enemy(&self, &Player) -> bool;
[INFO] [stderr]    |                         ^^^^^^ help: use `dyn`: `dyn Player`
[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/bin/day15_2.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl PartialEq<Player> for Player {
[INFO] [stderr]    |                ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:30:28
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl PartialEq<Player> for Player {
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn eq(&self, other: &Player) -> bool {
[INFO] [stderr]    |                          ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 | impl PartialOrd<Player> for Player {
[INFO] [stderr]    |                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:36:29
[INFO] [stderr]    |
[INFO] [stderr] 36 | impl PartialOrd<Player> for Player {
[INFO] [stderr]    |                             ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:37:35
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn partial_cmp(&self, other: &Player) -> Option<Ordering> {
[INFO] [stderr]    |                                   ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:42:14
[INFO] [stderr]    |
[INFO] [stderr] 42 | impl Ord for Player {
[INFO] [stderr]    |              ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 | impl Eq for Player {}
[INFO] [stderr]    |             ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_2.rs:88:28
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_2.rs:117:28
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stderr]     |                            ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_2.rs:264:50
[INFO] [stderr]     |
[INFO] [stderr] 264 | fn setatk(x: usize, y: usize, v: &Board, b: &Box<Player>) -> Option<(usize, usize, i32)> {
[INFO] [stderr]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_2.rs:296:51
[INFO] [stderr]     |
[INFO] [stderr] 296 |     fn take(&mut self, x: usize, y: usize) -> Box<Player> {
[INFO] [stderr]     |                                                   ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_2.rs:306:50
[INFO] [stderr]     |
[INFO] [stderr] 306 |     fn set(&mut self, x: usize, y: usize, p: Box<Player>) {
[INFO] [stderr]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day9_2.rs:65:24
[INFO] [stderr]    |
[INFO] [stderr] 65 |                     Ok(mut x) => x.borrow_mut().next.take(),
[INFO] [stderr]    |                        ----^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/day15_2.rs:336:17
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 f.write_str(i);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day9_1.rs:65:24
[INFO] [stderr]    |
[INFO] [stderr] 65 |                     Ok(mut x) => x.borrow_mut().next.take(),
[INFO] [stderr]    |                        ----^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn is_enemy(&self, &Player) -> bool;
[INFO] [stderr]    |                         ^^^^^^ help: use `dyn`: `dyn Player`
[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/bin/day15_1.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl PartialEq<Player> for Player {
[INFO] [stderr]    |                ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:29:28
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl PartialEq<Player> for Player {
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn eq(&self, other: &Player) -> bool {
[INFO] [stderr]    |                          ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl PartialOrd<Player> for Player {
[INFO] [stderr]    |                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:35:29
[INFO] [stderr]    |
[INFO] [stderr] 35 | impl PartialOrd<Player> for Player {
[INFO] [stderr]    |                             ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:36:35
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn partial_cmp(&self, other: &Player) -> Option<Ordering> {
[INFO] [stderr]    |                                   ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:41:14
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl Ord for Player {
[INFO] [stderr]    |              ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 | impl Eq for Player {}
[INFO] [stderr]    |             ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/day15_1.rs:86:28
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_1.rs:110:28
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stderr]     |                            ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_1.rs:234:50
[INFO] [stderr]     |
[INFO] [stderr] 234 | fn setatk(x: usize, y: usize, v: &Board, b: &Box<Player>) -> Option<(usize, usize, i32)> {
[INFO] [stderr]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_1.rs:266:51
[INFO] [stderr]     |
[INFO] [stderr] 266 |     fn take(&mut self, x: usize, y: usize) -> Box<Player> {
[INFO] [stderr]     |                                                   ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bin/day15_1.rs:276:50
[INFO] [stderr]     |
[INFO] [stderr] 276 |     fn set(&mut self, x: usize, y: usize, p: Box<Player>) {
[INFO] [stderr]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/bin/day14_1.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     println!("{}", i);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] 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: variable `i` is assigned to, but never used
[INFO] [stderr]  --> src/bin/day14_1.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut i = 0;
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr]   = note: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/day15_1.rs:306:17
[INFO] [stderr]     |
[INFO] [stderr] 306 |                 f.write_str(i);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.57s
[INFO] running `"docker" "inspect" "5654fca5cd398691447f602d4ca3583247eb5d102c46e8eb57a225f875a5c7ce"`
[INFO] running `"docker" "rm" "-f" "5654fca5cd398691447f602d4ca3583247eb5d102c46e8eb57a225f875a5c7ce"`
[INFO] [stdout] 5654fca5cd398691447f602d4ca3583247eb5d102c46e8eb57a225f875a5c7ce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nikofil/advent-rust:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] e8c386bd8c091f4066164084642d99af6a093d73ae9bb60a21e1cfcfe01bc2c0
[INFO] running `"docker" "start" "-a" "e8c386bd8c091f4066164084642d99af6a093d73ae9bb60a21e1cfcfe01bc2c0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent_lib-4b3b390d5c9bad91
[INFO] [stdout] 
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/day11_1-0190cb921ea8e1a7
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/day12_1-38cf7f6cd445460b
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day12_2-6f1c79b8074ce67e
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/day13_1-8405dbc07e1d0656
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day13_2-cc17492452cf172c
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/day14_1-6f4c00c7f74bdfbc
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/day15_1-e95d51f6904425df
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/day15_2-9e29e600ef3d11e6
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day1_1-524d1385b555b302
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day1_2-a64c3fe95f9fba8d
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/day2_1-53143e545b247a2a
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day2_2-546e4c282a4355e4
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/day4_1-6e9e99ae5d296eb5
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day4_2-e3ca40ef1fb5788c
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day5_1-f8b31e797d08be17
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day5_2-d80d3e382d35623d
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day6_1-ef39019d4b3492da
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/day7_1-ab300b6d30a132f2
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day7_2-444c402899d60980
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[INFO] [stderr]      Running /opt/crater/target/debug/deps/day8_1-c5a4b5298ecb5bf7
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day8_2-8d0743e823f0478b
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day9_1-0a73a00e92804bfd
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day9_2-c2163e126e59e445
[INFO] [stderr]    Doc-tests advent_lib
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[INFO] running `"docker" "inspect" "e8c386bd8c091f4066164084642d99af6a093d73ae9bb60a21e1cfcfe01bc2c0"`
[INFO] running `"docker" "rm" "-f" "e8c386bd8c091f4066164084642d99af6a093d73ae9bb60a21e1cfcfe01bc2c0"`
[INFO] [stdout] e8c386bd8c091f4066164084642d99af6a093d73ae9bb60a21e1cfcfe01bc2c0