[INFO] updating cached repository https://github.com/wraikny/reversi-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b1c3bef35530084317a808fcc9d9a60c9e8a8abe
[INFO] testing wraikny/reversi-rs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwraikny%2Freversi-rs" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wraikny/reversi-rs on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/wraikny/reversi-rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 4f8e6f0c4ec2285d9b47b79550a7d02401b6b4199f46a211115ef4fe658498ba
[INFO] running `"docker" "start" "-a" "4f8e6f0c4ec2285d9b47b79550a7d02401b6b4199f46a211115ef4fe658498ba"`
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling reversi v0.1.0 (/opt/rustwide/workdir)
[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] 
[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: 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: 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 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.48s
[INFO] running `"docker" "inspect" "4f8e6f0c4ec2285d9b47b79550a7d02401b6b4199f46a211115ef4fe658498ba"`
[INFO] running `"docker" "rm" "-f" "4f8e6f0c4ec2285d9b47b79550a7d02401b6b4199f46a211115ef4fe658498ba"`
[INFO] [stdout] 4f8e6f0c4ec2285d9b47b79550a7d02401b6b4199f46a211115ef4fe658498ba
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4f9a42690059a35e9ad7ef3807ea774119afaeb9c52f934a142133485cae14b8
[INFO] running `"docker" "start" "-a" "4f9a42690059a35e9ad7ef3807ea774119afaeb9c52f934a142133485cae14b8"`
[INFO] [stderr]    Compiling reversi v0.1.0 (/opt/rustwide/workdir)
[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] 
[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: 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: 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 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "4f9a42690059a35e9ad7ef3807ea774119afaeb9c52f934a142133485cae14b8"`
[INFO] running `"docker" "rm" "-f" "4f9a42690059a35e9ad7ef3807ea774119afaeb9c52f934a142133485cae14b8"`
[INFO] [stdout] 4f9a42690059a35e9ad7ef3807ea774119afaeb9c52f934a142133485cae14b8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 93e6b5b93dc240507c10e377e8c601452badd70dea036764e0e5fda119fa40df
[INFO] running `"docker" "start" "-a" "93e6b5b93dc240507c10e377e8c601452badd70dea036764e0e5fda119fa40df"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reversi-2c1c79bc0572af9e
[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] [stderr]      Running /opt/rustwide/target/debug/deps/reversi-5d936b4bc6f9dbe6
[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] [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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "93e6b5b93dc240507c10e377e8c601452badd70dea036764e0e5fda119fa40df"`
[INFO] running `"docker" "rm" "-f" "93e6b5b93dc240507c10e377e8c601452badd70dea036764e0e5fda119fa40df"`
[INFO] [stdout] 93e6b5b93dc240507c10e377e8c601452badd70dea036764e0e5fda119fa40df