[INFO] cloning repository https://github.com/ryanobeirne/advent_of_code_2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanobeirne/advent_of_code_2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanobeirne%2Fadvent_of_code_2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanobeirne%2Fadvent_of_code_2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12b7d4c605f27047493d0bd910fc0111514b8f6a
[INFO] testing ryanobeirne/advent_of_code_2018 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanobeirne%2Fadvent_of_code_2018" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryanobeirne/advent_of_code_2018 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryanobeirne/advent_of_code_2018
[INFO] finished tweaking git repo https://github.com/ryanobeirne/advent_of_code_2018
[INFO] tweaked toml for git repo https://github.com/ryanobeirne/advent_of_code_2018 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ryanobeirne/advent_of_code_2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9da8799e8215e6e90337b8ca9f508d91c1d553da15a18101bccab8c0e97809c5
[INFO] running `Command { std: "docker" "start" "-a" "9da8799e8215e6e90337b8ca9f508d91c1d553da15a18101bccab8c0e97809c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9da8799e8215e6e90337b8ca9f508d91c1d553da15a18101bccab8c0e97809c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da8799e8215e6e90337b8ca9f508d91c1d553da15a18101bccab8c0e97809c5", kill_on_drop: false }`
[INFO] [stdout] 9da8799e8215e6e90337b8ca9f508d91c1d553da15a18101bccab8c0e97809c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cce139c70a46f863cb01a5a22ce5fa5f4ed7ff9e4f4e9b86db49686ea999e56
[INFO] running `Command { std: "docker" "start" "-a" "2cce139c70a46f863cb01a5a22ce5fa5f4ed7ff9e4f4e9b86db49686ea999e56", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling advent_of_code_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> bin/day12.rs:6:45
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> bin/day07.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Result<T> = result::Result<T, Box<Error>>;
[INFO] [stdout]   |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> bin/day07.rs:95:20
[INFO] [stdout]    |
[INFO] [stdout] 95 |     type Err = Box<Error>;
[INFO] [stdout]    |                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> bin/day06.rs:6:45
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Result<T> = std::result::Result<T, Box<Error>>;
[INFO] [stdout]   |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> bin/day06.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 67 |     type Err = Box<Error>;
[INFO] [stdout]    |                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> bin/day15.rs:9:45
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> bin/day13.rs:19:45
[INFO] [stdout]    |
[INFO] [stdout] 19 | type Result<T> = std::result::Result<T, Box<Error>>;
[INFO] [stdout]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attacker`
[INFO] [stdout]   --> bin/day15.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 |         for (point, attacker) in points_creatures {
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attacker`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_point`
[INFO] [stdout]   --> bin/day15.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |             for a_point in area.around.iter()
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> bin/day15.rs:89:29
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn closest_enemy(&self, point: &Point) -> &Creature {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `closest_enemy`
[INFO] [stdout]   --> bin/day15.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn closest_enemy(&self, point: &Point) -> &Creature {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `enemy`
[INFO] [stdout]    --> bin/day15.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn enemy(&self) -> CreatureType {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `attack`
[INFO] [stdout]    --> bin/day15.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn attack(&self, other: &mut Creature) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_enemy`
[INFO] [stdout]    --> bin/day15.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn is_enemy(&self, other: &Creature) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.71s
[INFO] running `Command { std: "docker" "inspect" "2cce139c70a46f863cb01a5a22ce5fa5f4ed7ff9e4f4e9b86db49686ea999e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cce139c70a46f863cb01a5a22ce5fa5f4ed7ff9e4f4e9b86db49686ea999e56", kill_on_drop: false }`
[INFO] [stdout] 2cce139c70a46f863cb01a5a22ce5fa5f4ed7ff9e4f4e9b86db49686ea999e56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84d0d2d303b942a37dcf75a34d62315f24537457f487eca4ca2926242863aced
[INFO] running `Command { std: "docker" "start" "-a" "84d0d2d303b942a37dcf75a34d62315f24537457f487eca4ca2926242863aced", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> bin/day15.rs:9:45
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> bin/day07.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Result<T> = result::Result<T, Box<Error>>;
[INFO] [stdout]   |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> bin/day07.rs:95:20
[INFO] [stdout]    |
[INFO] [stdout] 95 |     type Err = Box<Error>;
[INFO] [stdout]    |                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> bin/day06.rs:6:45
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Result<T> = std::result::Result<T, Box<Error>>;
[INFO] [stdout]   |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> bin/day06.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 67 |     type Err = Box<Error>;
[INFO] [stdout]    |                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> bin/day12.rs:6:45
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> bin/day13.rs:19:45
[INFO] [stdout]    |
[INFO] [stdout] 19 | type Result<T> = std::result::Result<T, Box<Error>>;
[INFO] [stdout]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attacker`
[INFO] [stdout]   --> bin/day15.rs:60:21
[INFO] [stdout]    |
[INFO] [stdout] 60 |         for (point, attacker) in points_creatures {
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attacker`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a_point`
[INFO] [stdout]   --> bin/day15.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |             for a_point in area.around.iter()
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> bin/day15.rs:89:29
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn closest_enemy(&self, point: &Point) -> &Creature {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `closest_enemy`
[INFO] [stdout]   --> bin/day15.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn closest_enemy(&self, point: &Point) -> &Creature {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `enemy`
[INFO] [stdout]    --> bin/day15.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn enemy(&self) -> CreatureType {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `attack`
[INFO] [stdout]    --> bin/day15.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn attack(&self, other: &mut Creature) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_enemy`
[INFO] [stdout]    --> bin/day15.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn is_enemy(&self, other: &Creature) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "84d0d2d303b942a37dcf75a34d62315f24537457f487eca4ca2926242863aced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d0d2d303b942a37dcf75a34d62315f24537457f487eca4ca2926242863aced", kill_on_drop: false }`
[INFO] [stdout] 84d0d2d303b942a37dcf75a34d62315f24537457f487eca4ca2926242863aced
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c645de7d7d6521d7ce95a1ab8990c04943afc3ed113ef4c541e8bb87b82e729
[INFO] running `Command { std: "docker" "start" "-a" "1c645de7d7d6521d7ce95a1ab8990c04943afc3ed113ef4c541e8bb87b82e729", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> bin/day06.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 | type Result<T> = std::result::Result<T, Box<Error>>;
[INFO] [stderr]   |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> bin/day06.rs:67:20
[INFO] [stderr]    |
[INFO] [stderr] 67 |     type Err = Box<Error>;
[INFO] [stderr]    |                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> bin/day13.rs:19:45
[INFO] [stderr]    |
[INFO] [stderr] 19 | type Result<T> = std::result::Result<T, Box<Error>>;
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> bin/day12.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 | type Result<T> = std::result::Result<T, 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]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> bin/day15.rs:9:45
[INFO] [stderr]   |
[INFO] [stderr] 9 | type Result<T> = std::result::Result<T, 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]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attacker`
[INFO] [stderr]   --> bin/day15.rs:60:21
[INFO] [stderr]    |
[INFO] [stderr] 60 |         for (point, attacker) in points_creatures {
[INFO] [stderr]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attacker`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a_point`
[INFO] [stderr]   --> bin/day15.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |             for a_point in area.around.iter()
[INFO] [stderr]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_a_point`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point`
[INFO] [stderr]   --> bin/day15.rs:89:29
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn closest_enemy(&self, point: &Point) -> &Creature {
[INFO] [stderr]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `closest_enemy`
[INFO] [stderr]   --> bin/day15.rs:89:8
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn closest_enemy(&self, point: &Point) -> &Creature {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `enemy`
[INFO] [stderr]    --> bin/day15.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn enemy(&self) -> CreatureType {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `attack`
[INFO] [stderr]    --> bin/day15.rs:137:8
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn attack(&self, other: &mut Creature) {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_enemy`
[INFO] [stderr]    --> bin/day15.rs:141:8
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn is_enemy(&self, other: &Creature) -> bool {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> bin/day07.rs:8:40
[INFO] [stderr]   |
[INFO] [stderr] 8 | type Result<T> = result::Result<T, Box<Error>>;
[INFO] [stderr]   |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> bin/day07.rs:95:20
[INFO] [stderr]    |
[INFO] [stderr] 95 |     type Err = Box<Error>;
[INFO] [stderr]    |                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code_2018` (bin "day06" test) generated 2 warnings
[INFO] [stderr] warning: `advent_of_code_2018` (bin "day13" test) generated 1 warning
[INFO] [stderr] warning: `advent_of_code_2018` (bin "day12" test) generated 1 warning
[INFO] [stderr] warning: `advent_of_code_2018` (bin "day15" test) generated 8 warnings
[INFO] [stderr] warning: `advent_of_code_2018` (bin "day07" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day01-9594597fb73fba28)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day02-169b102650940a7d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test common ... ok
[INFO] [stdout] test diff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day03-39cb2391aa8f094c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day04-bc8d8c88533184c8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day05-51488d5758a4aef1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day06-bb70518a90c36728)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::stringer ... ok
[INFO] [stdout] test tests::closer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day07-9a15ab7fb1a79d46)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::all_done ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day10-07319f30af27a7a0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test point_from_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day11-6e8daf59c2e3d712)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test fuelcell ... ok
[INFO] [stderr] error: test failed, to rerun pass '--bin day11'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/day11-6e8daf59c2e3d712` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "1c645de7d7d6521d7ce95a1ab8990c04943afc3ed113ef4c541e8bb87b82e729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c645de7d7d6521d7ce95a1ab8990c04943afc3ed113ef4c541e8bb87b82e729", kill_on_drop: false }`
[INFO] [stdout] 1c645de7d7d6521d7ce95a1ab8990c04943afc3ed113ef4c541e8bb87b82e729