[INFO] updating cached repository https://github.com/tOba1357/igo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 89995109a3e5a2d5c29a52fa40c902d7924fc42c [INFO] testing tOba1357/igo against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtOba1357%2Figo" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tOba1357/igo on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-7/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-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7172e60dd5882742c2503568512ecd7d676e2e49140a7c2611d161618d8b1e9e [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" "7172e60dd5882742c2503568512ecd7d676e2e49140a7c2611d161618d8b1e9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7172e60dd5882742c2503568512ecd7d676e2e49140a7c2611d161618d8b1e9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7172e60dd5882742c2503568512ecd7d676e2e49140a7c2611d161618d8b1e9e", kill_on_drop: false }` [INFO] [stdout] 7172e60dd5882742c2503568512ecd7d676e2e49140a7c2611d161618d8b1e9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9757691a06db76e9db2cd50af7989df2961f243a800e02065270349646885fcc [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" "9757691a06db76e9db2cd50af7989df2961f243a800e02065270349646885fcc", kill_on_drop: false }` [INFO] [stderr] Compiling 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: `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: 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: 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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.95s [INFO] running `Command { std: "docker" "inspect" "9757691a06db76e9db2cd50af7989df2961f243a800e02065270349646885fcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9757691a06db76e9db2cd50af7989df2961f243a800e02065270349646885fcc", kill_on_drop: false }` [INFO] [stdout] 9757691a06db76e9db2cd50af7989df2961f243a800e02065270349646885fcc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d67853128a421bdb8bbdb04baf63d4962441e4dabb25ab7b5962ca9f2c3c2046 [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" "d67853128a421bdb8bbdb04baf63d4962441e4dabb25ab7b5962ca9f2c3c2046", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling 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: `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: 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: 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: 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: 4 warnings emitted [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.13s [INFO] running `Command { std: "docker" "inspect" "d67853128a421bdb8bbdb04baf63d4962441e4dabb25ab7b5962ca9f2c3c2046", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d67853128a421bdb8bbdb04baf63d4962441e4dabb25ab7b5962ca9f2c3c2046", kill_on_drop: false }` [INFO] [stdout] d67853128a421bdb8bbdb04baf63d4962441e4dabb25ab7b5962ca9f2c3c2046 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 156eff7ace116522b8f57f3ff2dbce6f3918830b63ba14f93d92eaee18a73dd0 [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" "156eff7ace116522b8f57f3ff2dbce6f3918830b63ba14f93d92eaee18a73dd0", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::collections::HashSet` [INFO] [stderr] --> src/igo/board.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/igo/board.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::Borrow` [INFO] [stderr] --> src/igo/board.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use core::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/igo/game.rs:10:30 [INFO] [stderr] | [INFO] [stderr] 10 | black_player: Rc>, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/igo/game.rs:11:30 [INFO] [stderr] | [INFO] [stderr] 11 | white_player: Rc>, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/igo/game.rs:59:41 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn new(black_player: Rc>, white_player: Rc>) -> Box { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/igo/game.rs:59:76 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn new(black_player: Rc>, white_player: Rc>) -> Box { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] [INFO] [stderr] warning: unused import: `SliceRandom` [INFO] [stderr] --> src/igo/players/random_ai.rs:5:17 [INFO] [stderr] | [INFO] [stderr] 5 | use rand::seq::{SliceRandom, IteratorRandom}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ok` [INFO] [stderr] --> src/igo/players/random_ai.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let mut ok = false; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ok` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/igo/players/random_ai.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | let size = board.size; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/igo/players/random_ai.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let mut ok = false; [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: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `igo::igo::board::Cell` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use igo::igo::board::Cell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `igo::igo::board::Board` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use igo::igo::board::Board; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut black_player = Rc::new(RefCell::new(RandomAI::new())); [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let mut white_player = Rc::new(RefCell::new(RandomAI::new())); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashSet` [INFO] [stderr] --> src/igo/board.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/igo/board.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::Borrow` [INFO] [stderr] --> src/igo/board.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use core::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/igo/game.rs:10:30 [INFO] [stderr] | [INFO] [stderr] 10 | black_player: Rc>, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/igo/game.rs:11:30 [INFO] [stderr] | [INFO] [stderr] 11 | white_player: Rc>, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/igo/game.rs:59:41 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn new(black_player: Rc>, white_player: Rc>) -> Box { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/igo/game.rs:59:76 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn new(black_player: Rc>, white_player: Rc>) -> Box { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn Player` [INFO] [stderr] [INFO] [stderr] warning: unused import: `SliceRandom` [INFO] [stderr] --> src/igo/players/random_ai.rs:5:17 [INFO] [stderr] | [INFO] [stderr] 5 | use rand::seq::{SliceRandom, IteratorRandom}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ok` [INFO] [stderr] --> src/igo/players/random_ai.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let mut ok = false; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ok` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/igo/players/random_ai.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | let size = board.size; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/igo/players/random_ai.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let mut ok = false; [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: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/igo-b814153f8980f41d [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/igo-2880816197593552 [INFO] [stdout] test tests::is_put ... ok [INFO] [stderr] Doc-tests igo [INFO] [stdout] test tests::is_put3 ... ok [INFO] [stdout] test tests::is_put4 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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 [INFO] [stdout] [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "156eff7ace116522b8f57f3ff2dbce6f3918830b63ba14f93d92eaee18a73dd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "156eff7ace116522b8f57f3ff2dbce6f3918830b63ba14f93d92eaee18a73dd0", kill_on_drop: false }` [INFO] [stdout] 156eff7ace116522b8f57f3ff2dbce6f3918830b63ba14f93d92eaee18a73dd0