[INFO] cloning repository https://github.com/wraikny/reversi-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wraikny/reversi-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwraikny%2Freversi-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwraikny%2Freversi-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b1c3bef35530084317a808fcc9d9a60c9e8a8abe [INFO] testing wraikny/reversi-rs against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwraikny%2Freversi-rs" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wraikny/reversi-rs on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wraikny/reversi-rs [INFO] finished tweaking git repo https://github.com/wraikny/reversi-rs [INFO] tweaked toml for git repo https://github.com/wraikny/reversi-rs written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/wraikny/reversi-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7f55a2b214ed6d1268e4236a8d17de7f1a38d53e5c0e173e383f2fcda14b4c76 [INFO] running `Command { std: "docker" "start" "-a" "7f55a2b214ed6d1268e4236a8d17de7f1a38d53e5c0e173e383f2fcda14b4c76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f55a2b214ed6d1268e4236a8d17de7f1a38d53e5c0e173e383f2fcda14b4c76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f55a2b214ed6d1268e4236a8d17de7f1a38d53e5c0e173e383f2fcda14b4c76", kill_on_drop: false }` [INFO] [stdout] 7f55a2b214ed6d1268e4236a8d17de7f1a38d53e5c0e173e383f2fcda14b4c76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d9c8462fe110ea8a712454d8cdd2310d5b3603998ee7b311d9b9199193649b8 [INFO] running `Command { std: "docker" "start" "-a" "2d9c8462fe110ea8a712454d8cdd2310d5b3603998ee7b311d9b9199193649b8", kill_on_drop: false }` [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling cfg-if v0.1.4 [INFO] [stderr] Compiling lazy_static v1.0.1 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Compiling rayon v1.0.1 [INFO] [stderr] Compiling reversi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:112:22 [INFO] [stdout] | [INFO] [stdout] 112 | f : &Fn((usize, usize)) -> bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((usize, usize)) -> bool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:113:22 [INFO] [stdout] | [INFO] [stdout] 113 | g : &Fn((usize, usize)) -> usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((usize, usize)) -> usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:114:22 [INFO] [stdout] | [INFO] [stdout] 114 | h : &Fn((usize, usize), (usize, usize)) -> bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((usize, usize), (usize, usize)) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/board.rs:124:25 [INFO] [stdout] | [INFO] [stdout] 124 | let mut board = board.iter() [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.colors` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/board.rs:237:13 [INFO] [stdout] | [INFO] [stdout] 236 | if let Some(Some(color)) = self.colors.get(&coordinate) { [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 237 | self.colors.insert(coordinate, Some(color.rev())); [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.49s [INFO] running `Command { std: "docker" "inspect" "2d9c8462fe110ea8a712454d8cdd2310d5b3603998ee7b311d9b9199193649b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d9c8462fe110ea8a712454d8cdd2310d5b3603998ee7b311d9b9199193649b8", kill_on_drop: false }` [INFO] [stdout] 2d9c8462fe110ea8a712454d8cdd2310d5b3603998ee7b311d9b9199193649b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86e1c7e12373a4162fc856cad891b04ad51824016a6b389acbbb2be631fc5d76 [INFO] running `Command { std: "docker" "start" "-a" "86e1c7e12373a4162fc856cad891b04ad51824016a6b389acbbb2be631fc5d76", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling reversi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:112:22 [INFO] [stdout] | [INFO] [stdout] 112 | f : &Fn((usize, usize)) -> bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((usize, usize)) -> bool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:113:22 [INFO] [stdout] | [INFO] [stdout] 113 | g : &Fn((usize, usize)) -> usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((usize, usize)) -> usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:114:22 [INFO] [stdout] | [INFO] [stdout] 114 | h : &Fn((usize, usize), (usize, usize)) -> bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((usize, usize), (usize, usize)) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/board.rs:124:25 [INFO] [stdout] | [INFO] [stdout] 124 | let mut board = board.iter() [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.colors` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/board.rs:237:13 [INFO] [stdout] | [INFO] [stdout] 236 | if let Some(Some(color)) = self.colors.get(&coordinate) { [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 237 | self.colors.insert(coordinate, Some(color.rev())); [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:112:22 [INFO] [stdout] | [INFO] [stdout] 112 | f : &Fn((usize, usize)) -> bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((usize, usize)) -> bool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:113:22 [INFO] [stdout] | [INFO] [stdout] 113 | g : &Fn((usize, usize)) -> usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((usize, usize)) -> usize` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/board.rs:114:22 [INFO] [stdout] | [INFO] [stdout] 114 | h : &Fn((usize, usize), (usize, usize)) -> bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((usize, usize), (usize, usize)) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/board.rs:124:25 [INFO] [stdout] | [INFO] [stdout] 124 | let mut board = board.iter() [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `self.colors` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/board.rs:237:13 [INFO] [stdout] | [INFO] [stdout] 236 | if let Some(Some(color)) = self.colors.get(&coordinate) { [INFO] [stdout] | ----------- immutable borrow occurs here [INFO] [stdout] 237 | self.colors.insert(coordinate, Some(color.rev())); [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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `Command { std: "docker" "inspect" "86e1c7e12373a4162fc856cad891b04ad51824016a6b389acbbb2be631fc5d76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86e1c7e12373a4162fc856cad891b04ad51824016a6b389acbbb2be631fc5d76", kill_on_drop: false }` [INFO] [stdout] 86e1c7e12373a4162fc856cad891b04ad51824016a6b389acbbb2be631fc5d76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1f6ce7773d83569de9ff0497b5be3a3c9b27a8822c5a1af85ac1745bae76e36d [INFO] running `Command { std: "docker" "start" "-a" "1f6ce7773d83569de9ff0497b5be3a3c9b27a8822c5a1af85ac1745bae76e36d", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/board.rs:112:22 [INFO] [stderr] | [INFO] [stderr] 112 | f : &Fn((usize, usize)) -> bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((usize, usize)) -> bool` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/board.rs:113:22 [INFO] [stderr] | [INFO] [stderr] 113 | g : &Fn((usize, usize)) -> usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((usize, usize)) -> usize` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/board.rs:114:22 [INFO] [stderr] | [INFO] [stderr] 114 | h : &Fn((usize, usize), (usize, usize)) -> bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((usize, usize), (usize, usize)) -> bool` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/board.rs:124:25 [INFO] [stderr] | [INFO] [stderr] 124 | let mut board = board.iter() [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: cannot borrow `self.colors` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/board.rs:237:13 [INFO] [stderr] | [INFO] [stderr] 236 | if let Some(Some(color)) = self.colors.get(&coordinate) { [INFO] [stderr] | ----------- immutable borrow occurs here [INFO] [stderr] 237 | self.colors.insert(coordinate, Some(color.rev())); [INFO] [stderr] | ^^^^^^^^^^^ ----- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/board.rs:112:22 [INFO] [stderr] | [INFO] [stderr] 112 | f : &Fn((usize, usize)) -> bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((usize, usize)) -> bool` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/board.rs:113:22 [INFO] [stderr] | [INFO] [stderr] 113 | g : &Fn((usize, usize)) -> usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((usize, usize)) -> usize` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/board.rs:114:22 [INFO] [stderr] | [INFO] [stderr] 114 | h : &Fn((usize, usize), (usize, usize)) -> bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn((usize, usize), (usize, usize)) -> bool` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/board.rs:124:25 [INFO] [stderr] | [INFO] [stderr] 124 | let mut board = board.iter() [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: cannot borrow `self.colors` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/board.rs:237:13 [INFO] [stderr] | [INFO] [stderr] 236 | if let Some(Some(color)) = self.colors.get(&coordinate) { [INFO] [stderr] | ----------- immutable borrow occurs here [INFO] [stderr] 237 | self.colors.insert(coordinate, Some(color.rev())); [INFO] [stderr] | ^^^^^^^^^^^ ----- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/reversi-d20dd8a0d1adb6c9) [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/reversi-da8bec51587c71ba) [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] Doc-tests reversi [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] running `Command { std: "docker" "inspect" "1f6ce7773d83569de9ff0497b5be3a3c9b27a8822c5a1af85ac1745bae76e36d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f6ce7773d83569de9ff0497b5be3a3c9b27a8822c5a1af85ac1745bae76e36d", kill_on_drop: false }` [INFO] [stdout] 1f6ce7773d83569de9ff0497b5be3a3c9b27a8822c5a1af85ac1745bae76e36d