[INFO] cloning repository https://github.com/tOba1357/igo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tOba1357/igo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtOba1357%2Figo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtOba1357%2Figo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 89995109a3e5a2d5c29a52fa40c902d7924fc42c [INFO] checking tOba1357/igo against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtOba1357%2Figo" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tOba1357/igo on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tOba1357/igo [INFO] finished tweaking git repo https://github.com/tOba1357/igo [INFO] tweaked toml for git repo https://github.com/tOba1357/igo written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/tOba1357/igo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 88655b4a3775bc85ae9fb74e52dfdf8f68d7dcab4f3e277d42fe8f14e90bb29a [INFO] running `Command { std: "docker" "start" "-a" "88655b4a3775bc85ae9fb74e52dfdf8f68d7dcab4f3e277d42fe8f14e90bb29a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88655b4a3775bc85ae9fb74e52dfdf8f68d7dcab4f3e277d42fe8f14e90bb29a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88655b4a3775bc85ae9fb74e52dfdf8f68d7dcab4f3e277d42fe8f14e90bb29a", kill_on_drop: false }` [INFO] [stdout] 88655b4a3775bc85ae9fb74e52dfdf8f68d7dcab4f3e277d42fe8f14e90bb29a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6cb50817932e9cbb35591d319c3c504c53abb29781885be5edd842b024183e10 [INFO] running `Command { std: "docker" "start" "-a" "6cb50817932e9cbb35591d319c3c504c53abb29781885be5edd842b024183e10", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.54 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking igo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/igo/board.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/igo/board.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::borrow::Borrow` [INFO] [stdout] --> src/igo/board.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use core::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/igo/game.rs:10:30 [INFO] [stdout] | [INFO] [stdout] 10 | black_player: Rc>, [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/igo/game.rs:11:30 [INFO] [stdout] | [INFO] [stdout] 11 | white_player: Rc>, [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/igo/game.rs:59:41 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn new(black_player: Rc>, white_player: Rc>) -> Box { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/igo/game.rs:59:76 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn new(black_player: Rc>, white_player: Rc>) -> Box { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> src/igo/board.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/igo/board.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::borrow::Borrow` [INFO] [stdout] --> src/igo/board.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use core::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/igo/game.rs:10:30 [INFO] [stdout] | [INFO] [stdout] 10 | black_player: Rc>, [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/igo/game.rs:11:30 [INFO] [stdout] | [INFO] [stdout] 11 | white_player: Rc>, [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/igo/game.rs:59:41 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn new(black_player: Rc>, white_player: Rc>) -> Box { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/igo/game.rs:59:76 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn new(black_player: Rc>, white_player: Rc>) -> Box { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Player` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SliceRandom` [INFO] [stdout] --> src/igo/players/random_ai.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::seq::{SliceRandom, IteratorRandom}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ok` [INFO] [stdout] --> src/igo/players/random_ai.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let mut ok = false; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ok` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/igo/players/random_ai.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | let size = board.size; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SliceRandom` [INFO] [stdout] --> src/igo/players/random_ai.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::seq::{SliceRandom, IteratorRandom}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ok` [INFO] [stdout] --> src/igo/players/random_ai.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let mut ok = false; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ok` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/igo/players/random_ai.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | let size = board.size; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/igo/players/random_ai.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let mut ok = false; [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: variable does not need to be mutable [INFO] [stdout] --> src/igo/players/random_ai.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let mut ok = false; [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: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `igo::igo::board::Cell` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use igo::igo::board::Cell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `igo::igo::board::Board` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use igo::igo::board::Board; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `igo::igo::board::Cell` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use igo::igo::board::Cell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `igo::igo::board::Board` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use igo::igo::board::Board; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut black_player = Rc::new(RefCell::new(RandomAI::new())); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let mut white_player = Rc::new(RefCell::new(RandomAI::new())); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut black_player = Rc::new(RefCell::new(RandomAI::new())); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let mut white_player = Rc::new(RefCell::new(RandomAI::new())); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.76s [INFO] running `Command { std: "docker" "inspect" "6cb50817932e9cbb35591d319c3c504c53abb29781885be5edd842b024183e10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cb50817932e9cbb35591d319c3c504c53abb29781885be5edd842b024183e10", kill_on_drop: false }` [INFO] [stdout] 6cb50817932e9cbb35591d319c3c504c53abb29781885be5edd842b024183e10