[INFO] updating cached repository https://github.com/ttempleton/rust-battleship
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] d4acbf570978e8c3c62dd71a12887b2b7b503e95
[INFO] testing ttempleton/rust-battleship against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttempleton%2Frust-battleship" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ttempleton/rust-battleship on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ttempleton/rust-battleship
[INFO] finished tweaking git repo https://github.com/ttempleton/rust-battleship
[INFO] tweaked toml for git repo https://github.com/ttempleton/rust-battleship written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ttempleton/rust-battleship already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e104b346f32774e634f12b4cca3308b21a711457999dbedb489c87b3f2e9ca58
[INFO] running `"docker" "start" "-a" "e104b346f32774e634f12b4cca3308b21a711457999dbedb489c87b3f2e9ca58"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling stb_truetype v0.2.2
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.8
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling wayland-sys v0.21.12
[INFO] [stderr]    Compiling rusttype v0.7.6
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling piston2d-graphics v0.30.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling wayland-commons v0.21.12
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.3
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.5
[INFO] [stderr]    Compiling pistoncore-input v0.24.0
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling pistoncore-window v0.37.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.42.0
[INFO] [stderr]    Compiling piston v0.42.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.54.0
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.5
[INFO] [stderr]    Compiling piston-gfx_texture v0.35.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.56.0
[INFO] [stderr]    Compiling piston_window v0.89.0
[INFO] [stderr]    Compiling rust-battleship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 38s
[INFO] running `"docker" "inspect" "e104b346f32774e634f12b4cca3308b21a711457999dbedb489c87b3f2e9ca58"`
[INFO] running `"docker" "rm" "-f" "e104b346f32774e634f12b4cca3308b21a711457999dbedb489c87b3f2e9ca58"`
[INFO] [stdout] e104b346f32774e634f12b4cca3308b21a711457999dbedb489c87b3f2e9ca58
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61f7dbd407cbf3da23c420c0ee5afade0755c03062aec024f08e4243fa585cdf
[INFO] running `"docker" "start" "-a" "61f7dbd407cbf3da23c420c0ee5afade0755c03062aec024f08e4243fa585cdf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-battleship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `pos` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:143:25
[INFO] [stderr]     |
[INFO] [stderr] 143 |         assert_eq!(ship.pos(), pos.as_slice());
[INFO] [stderr]     |                         ^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_pos` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:149:22
[INFO] [stderr]     |
[INFO] [stderr] 149 |         assert!(ship.set_pos(vec![[1, 0], [0, 0]]).is_ok());
[INFO] [stderr]     |                      ^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `dir` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:150:25
[INFO] [stderr]     |
[INFO] [stderr] 150 |         assert_eq!(ship.dir(), Direction::East);
[INFO] [stderr]     |                         ^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_pos` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:152:22
[INFO] [stderr]     |
[INFO] [stderr] 152 |         assert!(ship.set_pos(vec![[0, 1], [0, 0]]).is_ok());
[INFO] [stderr]     |                      ^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `dir` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:153:25
[INFO] [stderr]     |
[INFO] [stderr] 153 |         assert_eq!(ship.dir(), Direction::South);
[INFO] [stderr]     |                         ^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_pos` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:155:22
[INFO] [stderr]     |
[INFO] [stderr] 155 |         assert!(ship.set_pos(vec![[0, 0], [1, 0]]).is_ok());
[INFO] [stderr]     |                      ^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `dir` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |         assert_eq!(ship.dir(), Direction::West);
[INFO] [stderr]     |                         ^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_pos` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:158:22
[INFO] [stderr]     |
[INFO] [stderr] 158 |         assert!(ship.set_pos(vec![[0, 0], [0, 1]]).is_ok());
[INFO] [stderr]     |                      ^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `dir` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:159:25
[INFO] [stderr]     |
[INFO] [stderr] 159 |         assert_eq!(ship.dir(), Direction::North);
[INFO] [stderr]     |                         ^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_pos` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:161:22
[INFO] [stderr]     |
[INFO] [stderr] 161 |         assert!(ship.set_pos(vec![[0, 0], [0, 0]]).is_err());
[INFO] [stderr]     |                      ^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_pos` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:162:22
[INFO] [stderr]     |
[INFO] [stderr] 162 |         assert!(ship.set_pos(vec![[0, 0], [0, 2]]).is_err());
[INFO] [stderr]     |                      ^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_pos` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:163:22
[INFO] [stderr]     |
[INFO] [stderr] 163 |         assert!(ship.set_pos(vec![]).is_err());
[INFO] [stderr]     |                      ^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `dir` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:169:25
[INFO] [stderr]     |
[INFO] [stderr] 169 |         assert_eq!(ship.dir(), Direction::North);
[INFO] [stderr]     |                         ^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `dir` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:172:25
[INFO] [stderr]     |
[INFO] [stderr] 172 |         assert_eq!(ship.dir(), Direction::South);
[INFO] [stderr]     |                         ^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `dir` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |         assert_eq!(ship.dir(), Direction::West);
[INFO] [stderr]     |                         ^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `dir` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:178:25
[INFO] [stderr]     |
[INFO] [stderr] 178 |         assert_eq!(ship.dir(), Direction::East);
[INFO] [stderr]     |                         ^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `len` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:185:25
[INFO] [stderr]     |
[INFO] [stderr] 185 |         assert_eq!(ship.len(), pos.len());
[INFO] [stderr]     |                         ^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_placement` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:191:22
[INFO] [stderr]     |
[INFO] [stderr] 191 |         assert!(ship.is_placement());
[INFO] [stderr]     |                      ^^^^^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_active` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:192:22
[INFO] [stderr]     |
[INFO] [stderr] 192 |         assert!(ship.set_active().is_ok());
[INFO] [stderr]     |                      ^^^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_placement` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:193:23
[INFO] [stderr]     |
[INFO] [stderr] 193 |         assert!(!ship.is_placement());
[INFO] [stderr]     |                       ^^^^^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_sunk` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:194:22
[INFO] [stderr]     |
[INFO] [stderr] 194 |         assert!(ship.set_sunk().is_ok());
[INFO] [stderr]     |                      ^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_placement` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:195:23
[INFO] [stderr]     |
[INFO] [stderr] 195 |         assert!(!ship.is_placement());
[INFO] [stderr]     |                       ^^^^^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_active` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:201:23
[INFO] [stderr]     |
[INFO] [stderr] 201 |         assert!(!ship.is_active());
[INFO] [stderr]     |                       ^^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_active` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:202:22
[INFO] [stderr]     |
[INFO] [stderr] 202 |         assert!(ship.set_active().is_ok());
[INFO] [stderr]     |                      ^^^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_active` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:203:22
[INFO] [stderr]     |
[INFO] [stderr] 203 |         assert!(ship.is_active());
[INFO] [stderr]     |                      ^^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_sunk` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:204:22
[INFO] [stderr]     |
[INFO] [stderr] 204 |         assert!(ship.set_sunk().is_ok());
[INFO] [stderr]     |                      ^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_active` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:205:23
[INFO] [stderr]     |
[INFO] [stderr] 205 |         assert!(!ship.is_active());
[INFO] [stderr]     |                       ^^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_active` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:211:22
[INFO] [stderr]     |
[INFO] [stderr] 211 |         assert!(ship.set_active().is_ok());
[INFO] [stderr]     |                      ^^^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_active` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:212:22
[INFO] [stderr]     |
[INFO] [stderr] 212 |         assert!(ship.set_active().is_err());
[INFO] [stderr]     |                      ^^^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_sunk` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:213:22
[INFO] [stderr]     |
[INFO] [stderr] 213 |         assert!(ship.set_sunk().is_ok());
[INFO] [stderr]     |                      ^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_active` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:214:22
[INFO] [stderr]     |
[INFO] [stderr] 214 |         assert!(ship.set_active().is_err());
[INFO] [stderr]     |                      ^^^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_sunk` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:220:23
[INFO] [stderr]     |
[INFO] [stderr] 220 |         assert!(!ship.is_sunk());
[INFO] [stderr]     |                       ^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_active` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:221:22
[INFO] [stderr]     |
[INFO] [stderr] 221 |         assert!(ship.set_active().is_ok());
[INFO] [stderr]     |                      ^^^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_sunk` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:222:23
[INFO] [stderr]     |
[INFO] [stderr] 222 |         assert!(!ship.is_sunk());
[INFO] [stderr]     |                       ^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_sunk` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:223:22
[INFO] [stderr]     |
[INFO] [stderr] 223 |         assert!(ship.set_sunk().is_ok());
[INFO] [stderr]     |                      ^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_sunk` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:224:22
[INFO] [stderr]     |
[INFO] [stderr] 224 |         assert!(ship.is_sunk());
[INFO] [stderr]     |                      ^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_sunk` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:230:22
[INFO] [stderr]     |
[INFO] [stderr] 230 |         assert!(ship.set_sunk().is_err());
[INFO] [stderr]     |                      ^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_active` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:231:22
[INFO] [stderr]     |
[INFO] [stderr] 231 |         assert!(ship.set_active().is_ok());
[INFO] [stderr]     |                      ^^^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_sunk` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:232:22
[INFO] [stderr]     |
[INFO] [stderr] 232 |         assert!(ship.set_sunk().is_ok());
[INFO] [stderr]     |                      ^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `set_sunk` found for enum `std::result::Result<ship::Ship, &str>` in the current scope
[INFO] [stderr]    --> src/ship.rs:233:22
[INFO] [stderr]     |
[INFO] [stderr] 233 |         assert!(ship.set_sunk().is_err());
[INFO] [stderr]     |                      ^^^^^^^^ method not found in `std::result::Result<ship::Ship, &str>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 40 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `rust-battleship`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "61f7dbd407cbf3da23c420c0ee5afade0755c03062aec024f08e4243fa585cdf"`
[INFO] running `"docker" "rm" "-f" "61f7dbd407cbf3da23c420c0ee5afade0755c03062aec024f08e4243fa585cdf"`
[INFO] [stdout] 61f7dbd407cbf3da23c420c0ee5afade0755c03062aec024f08e4243fa585cdf