[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 beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtOba1357%2Figo" "/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/tOba1357/igo on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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" "+beta" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6f24d658dcd3b200ae5a36fd9c48301b9ae66088d3b8de5e2a6296787cf94479 [INFO] running `Command { std: "docker" "start" "-a" "6f24d658dcd3b200ae5a36fd9c48301b9ae66088d3b8de5e2a6296787cf94479", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f24d658dcd3b200ae5a36fd9c48301b9ae66088d3b8de5e2a6296787cf94479", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f24d658dcd3b200ae5a36fd9c48301b9ae66088d3b8de5e2a6296787cf94479", kill_on_drop: false }` [INFO] [stdout] 6f24d658dcd3b200ae5a36fd9c48301b9ae66088d3b8de5e2a6296787cf94479 [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e61d1e2f201f46cc6bd9b289e6bf9d0eb3be33207e544a847feeb43ec7a85276 [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" "e61d1e2f201f46cc6bd9b289e6bf9d0eb3be33207e544a847feeb43ec7a85276", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.54 [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] [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] [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] [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] [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] [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] [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] [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] [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:45:9 [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: 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:45:9 [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: 11 warnings emitted [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: 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 4.84s [INFO] running `Command { std: "docker" "inspect" "e61d1e2f201f46cc6bd9b289e6bf9d0eb3be33207e544a847feeb43ec7a85276", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e61d1e2f201f46cc6bd9b289e6bf9d0eb3be33207e544a847feeb43ec7a85276", kill_on_drop: false }` [INFO] [stdout] e61d1e2f201f46cc6bd9b289e6bf9d0eb3be33207e544a847feeb43ec7a85276