[INFO] updating cached repository tOba1357/igo [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tOba1357/igo [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tOba1357/igo" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/tOba1357/igo"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/tOba1357/igo'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tOba1357/igo" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/tOba1357/igo"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/tOba1357/igo'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 89995109a3e5a2d5c29a52fa40c902d7924fc42c [INFO] sha for GitHub repo tOba1357/igo: 89995109a3e5a2d5c29a52fa40c902d7924fc42c [INFO] validating manifest of tOba1357/igo on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tOba1357/igo on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tOba1357/igo [INFO] finished frobbing tOba1357/igo [INFO] frobbed toml for tOba1357/igo written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/tOba1357/igo/Cargo.toml [INFO] started frobbing tOba1357/igo [INFO] finished frobbing tOba1357/igo [INFO] frobbed toml for tOba1357/igo written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/tOba1357/igo/Cargo.toml [INFO] crate tOba1357/igo already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking tOba1357/igo against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/tOba1357/igo:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a3ed142e2a57b173dff620ce8a3a45fd1f825a022fb171caac45d184d6d68864 [INFO] running `"docker" "start" "-a" "a3ed142e2a57b173dff620ce8a3a45fd1f825a022fb171caac45d184d6d68864"` [INFO] [stderr] Checking igo v0.1.0 (/opt/crater/workdir) [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: `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:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let mut ok = false; [INFO] [stderr] | ^^ help: consider prefixing 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: consider prefixing with an underscore: `_size` [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:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let mut ok = false; [INFO] [stderr] | ^^ help: consider prefixing 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: consider prefixing 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: 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: 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: 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: 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] Finished dev [unoptimized + debuginfo] target(s) in 1.65s [INFO] running `"docker" "inspect" "a3ed142e2a57b173dff620ce8a3a45fd1f825a022fb171caac45d184d6d68864"` [INFO] running `"docker" "rm" "-f" "a3ed142e2a57b173dff620ce8a3a45fd1f825a022fb171caac45d184d6d68864"` [INFO] [stdout] a3ed142e2a57b173dff620ce8a3a45fd1f825a022fb171caac45d184d6d68864