[INFO] updating cached repository https://github.com/nikofil/advent-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 36c27b977de71eb487f3d922df37b0da7868e123
[INFO] testing nikofil/advent-rust against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikofil%2Fadvent-rust" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikofil/advent-rust on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nikofil/advent-rust
[INFO] finished tweaking git repo https://github.com/nikofil/advent-rust
[INFO] tweaked toml for git repo https://github.com/nikofil/advent-rust written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nikofil/advent-rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 8aebfb7ce89c085907c77b13f97f40ac32502d753d6a13393ebacd72cd49c0d9
[INFO] running `"docker" "start" "-a" "8aebfb7ce89c085907c77b13f97f40ac32502d753d6a13393ebacd72cd49c0d9"`
[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/rustwide/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: 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: 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: 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] 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: 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 9.20s
[INFO] running `"docker" "inspect" "8aebfb7ce89c085907c77b13f97f40ac32502d753d6a13393ebacd72cd49c0d9"`
[INFO] running `"docker" "rm" "-f" "8aebfb7ce89c085907c77b13f97f40ac32502d753d6a13393ebacd72cd49c0d9"`
[INFO] [stdout] 8aebfb7ce89c085907c77b13f97f40ac32502d753d6a13393ebacd72cd49c0d9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 95ef44b953e25ff81d548d7db1ad66f91ad1542782fca8fa4dab96c0afa56e0c
[INFO] running `"docker" "start" "-a" "95ef44b953e25ff81d548d7db1ad66f91ad1542782fca8fa4dab96c0afa56e0c"`
[INFO] [stderr]    Compiling advent-rust v0.1.0 (/opt/rustwide/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: 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: 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: 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] 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]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `"docker" "inspect" "95ef44b953e25ff81d548d7db1ad66f91ad1542782fca8fa4dab96c0afa56e0c"`
[INFO] running `"docker" "rm" "-f" "95ef44b953e25ff81d548d7db1ad66f91ad1542782fca8fa4dab96c0afa56e0c"`
[INFO] [stdout] 95ef44b953e25ff81d548d7db1ad66f91ad1542782fca8fa4dab96c0afa56e0c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 2474c2d557d924761d62e5c3488d01d6c80726b567a5d9564e92d42e14ae074f
[INFO] running `"docker" "start" "-a" "2474c2d557d924761d62e5c3488d01d6c80726b567a5d9564e92d42e14ae074f"`
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[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day2_1-ce958fa919f12b10
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[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/day3_1-d1f47be9e8528459
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[INFO] running `"docker" "inspect" "2474c2d557d924761d62e5c3488d01d6c80726b567a5d9564e92d42e14ae074f"`
[INFO] running `"docker" "rm" "-f" "2474c2d557d924761d62e5c3488d01d6c80726b567a5d9564e92d42e14ae074f"`
[INFO] [stdout] 2474c2d557d924761d62e5c3488d01d6c80726b567a5d9564e92d42e14ae074f