[INFO] cloning repository https://github.com/alexandraorth/snake [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexandraorth/snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexandraorth%2Fsnake", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexandraorth%2Fsnake'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 776a1f99328cfe3728ba60cfe8c908175b630d94 [INFO] checking alexandraorth/snake against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexandraorth%2Fsnake" "/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/alexandraorth/snake on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/alexandraorth/snake [INFO] finished tweaking git repo https://github.com/alexandraorth/snake [INFO] tweaked toml for git repo https://github.com/alexandraorth/snake written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/alexandraorth/snake already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d2f77f1c75c5118e9b7cedf3e652c4040fa6751c8cc3b40c7a92d62afe7a105f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d2f77f1c75c5118e9b7cedf3e652c4040fa6751c8cc3b40c7a92d62afe7a105f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2f77f1c75c5118e9b7cedf3e652c4040fa6751c8cc3b40c7a92d62afe7a105f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2f77f1c75c5118e9b7cedf3e652c4040fa6751c8cc3b40c7a92d62afe7a105f", kill_on_drop: false }` [INFO] [stdout] d2f77f1c75c5118e9b7cedf3e652c4040fa6751c8cc3b40c7a92d62afe7a105f [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=forbid" "-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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2517b77e2aeceec58afd351d361c3d31a8e4be81a6f5bb514b2df9962db727e6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2517b77e2aeceec58afd351d361c3d31a8e4be81a6f5bb514b2df9962db727e6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.46 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Checking snake v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/snake.rs:18:24 [INFO] [stdout] | [INFO] [stdout] 18 | pub body: VecDeque<(Segment)>, [INFO] [stdout] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:105:33 [INFO] [stdout] | [INFO] [stdout] 105 | fn update_direction(stdin: &mut Read, game: &mut Game){ [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:42:34 [INFO] [stdout] | [INFO] [stdout] 39 | let head = self.body.front().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 42 | Direction::UP => self.body.push_front(Segment{x: head.x, y: head.y - 1, direction: Direction::UP}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:43:34 [INFO] [stdout] | [INFO] [stdout] 39 | let head = self.body.front().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 43 | Direction::DOWN => self.body.push_front(Segment{x: head.x, y: head.y + 1, direction: Direction::DOWN}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:45:34 [INFO] [stdout] | [INFO] [stdout] 39 | let head = self.body.front().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 45 | Direction::LEFT => self.body.push_front(Segment{x: head.x - 1, y: head.y, direction: Direction::LEFT}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:44:34 [INFO] [stdout] | [INFO] [stdout] 39 | let head = self.body.front().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 44 | Direction::RIGHT => self.body.push_front(Segment{x: head.x + 1, y: head.y, direction: Direction::RIGHT}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:59:34 [INFO] [stdout] | [INFO] [stdout] 54 | let tail = self.body.back().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 59 | Direction::RIGHT => self.body.push_back(Segment{x: tail.x - 1, y: tail.y, direction: Direction::RIGHT}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:57:34 [INFO] [stdout] | [INFO] [stdout] 54 | let tail = self.body.back().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 57 | Direction::UP => self.body.push_back(Segment{x: tail.x, y: tail.y + 1, direction: Direction::UP}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:60:34 [INFO] [stdout] | [INFO] [stdout] 54 | let tail = self.body.back().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 60 | Direction::LEFT => self.body.push_back(Segment{x: tail.x + 1, y: tail.y, direction: Direction::LEFT}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:58:34 [INFO] [stdout] | [INFO] [stdout] 54 | let tail = self.body.back().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 58 | Direction::DOWN => self.body.push_back(Segment{x: tail.x, y: tail.y - 1, direction: Direction::DOWN}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/snake.rs:18:24 [INFO] [stdout] | [INFO] [stdout] 18 | pub body: VecDeque<(Segment)>, [INFO] [stdout] | ^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:105:33 [INFO] [stdout] | [INFO] [stdout] 105 | fn update_direction(stdin: &mut Read, game: &mut Game){ [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:42:34 [INFO] [stdout] | [INFO] [stdout] 39 | let head = self.body.front().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 42 | Direction::UP => self.body.push_front(Segment{x: head.x, y: head.y - 1, direction: Direction::UP}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:43:34 [INFO] [stdout] | [INFO] [stdout] 39 | let head = self.body.front().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 43 | Direction::DOWN => self.body.push_front(Segment{x: head.x, y: head.y + 1, direction: Direction::DOWN}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:45:34 [INFO] [stdout] | [INFO] [stdout] 39 | let head = self.body.front().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 45 | Direction::LEFT => self.body.push_front(Segment{x: head.x - 1, y: head.y, direction: Direction::LEFT}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:44:34 [INFO] [stdout] | [INFO] [stdout] 39 | let head = self.body.front().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 44 | Direction::RIGHT => self.body.push_front(Segment{x: head.x + 1, y: head.y, direction: Direction::RIGHT}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:59:34 [INFO] [stdout] | [INFO] [stdout] 54 | let tail = self.body.back().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 59 | Direction::RIGHT => self.body.push_back(Segment{x: tail.x - 1, y: tail.y, direction: Direction::RIGHT}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:57:34 [INFO] [stdout] | [INFO] [stdout] 54 | let tail = self.body.back().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 57 | Direction::UP => self.body.push_back(Segment{x: tail.x, y: tail.y + 1, direction: Direction::UP}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:60:34 [INFO] [stdout] | [INFO] [stdout] 54 | let tail = self.body.back().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 60 | Direction::LEFT => self.body.push_back(Segment{x: tail.x + 1, y: tail.y, direction: Direction::LEFT}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.body` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/snake.rs:58:34 [INFO] [stdout] | [INFO] [stdout] 54 | let tail = self.body.back().unwrap(); //TODO dont use unwrap [INFO] [stdout] | --------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 58 | Direction::DOWN => self.body.push_back(Segment{x: tail.x, y: tail.y - 1, direction: Direction::DOWN}), [INFO] [stdout] | ^^^^^^^^^ ------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.11s [INFO] running `Command { std: "docker" "inspect" "2517b77e2aeceec58afd351d361c3d31a8e4be81a6f5bb514b2df9962db727e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2517b77e2aeceec58afd351d361c3d31a8e4be81a6f5bb514b2df9962db727e6", kill_on_drop: false }` [INFO] [stdout] 2517b77e2aeceec58afd351d361c3d31a8e4be81a6f5bb514b2df9962db727e6