[INFO] cloning repository https://github.com/theor/rust-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theor/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheor%2Frust-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheor%2Frust-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d57cdd582a8e5581b5cdc5af560e5d2aef325de7
[INFO] testing theor/rust-chess against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheor%2Frust-chess" "/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/theor/rust-chess on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/theor/rust-chess
[INFO] finished tweaking git repo https://github.com/theor/rust-chess
[INFO] tweaked toml for git repo https://github.com/theor/rust-chess written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/theor/rust-chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04733bedf0a5a320a46fc76560f8124eb0931e8dc7ae545c795c3a2e6beb94c3
[INFO] running `Command { std: "docker" "start" "-a" "04733bedf0a5a320a46fc76560f8124eb0931e8dc7ae545c795c3a2e6beb94c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04733bedf0a5a320a46fc76560f8124eb0931e8dc7ae545c795c3a2e6beb94c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04733bedf0a5a320a46fc76560f8124eb0931e8dc7ae545c795c3a2e6beb94c3", kill_on_drop: false }`
[INFO] [stdout] 04733bedf0a5a320a46fc76560f8124eb0931e8dc7ae545c795c3a2e6beb94c3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15244bc3aad287c3bda57c575d484dba048c3339a086d761f9fc694f79e1360f
[INFO] running `Command { std: "docker" "start" "-a" "15244bc3aad287c3bda57c575d484dba048c3339a086d761f9fc694f79e1360f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling galvanic-assert v0.8.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ai.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     eval: Box<Evaluator>,
[INFO] [stdout]   |               ^^^^^^^^^ help: use `dyn`: `dyn Evaluator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/board.rs:260:15
[INFO] [stdout]     |
[INFO] [stdout] 260 |         ffn: &Fn(Option<(Piece, Color)>, &mut fmt::Formatter) -> (),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<(Piece, Color)>, &mut fmt::Formatter) -> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `char::ParseCharError`, `num::ParseIntError`
[INFO] [stdout]    --> src/move_generator.rs:124:11
[INFO] [stdout]     |
[INFO] [stdout] 124 | use std::{char::ParseCharError, num::ParseIntError};
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/move_generator.rs:412:14
[INFO] [stdout]     |
[INFO] [stdout] 412 |             1...6 => {
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SubCommand`
[INFO] [stdout]   --> src/main.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 | use clap::{App, Arg, SubCommand};
[INFO] [stdout]    |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Player` is imported redundantly
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | use player::Player;
[INFO] [stdout]    |     -------------- the item `Player` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 98 |     use crate::player::Player;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:114:33
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let (cur, color): (&mut Player, Color) = if t % 2 == 0 {
[INFO] [stdout]     |                                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/move_generator.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     color: Color,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/move_generator.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 290 |     color: Color,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/move_generator.rs:305:5
[INFO] [stdout]     |
[INFO] [stdout] 305 |     color: Color,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/move_generator.rs:321:5
[INFO] [stdout]     |
[INFO] [stdout] 321 |     color: Color,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/move_generator.rs:346:5
[INFO] [stdout]     |
[INFO] [stdout] 346 |     color: Color,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/move_generator.rs:108:76
[INFO] [stdout]     |
[INFO] [stdout] 108 |         write!(f, "{}{}{}", self.from, self.to, self.promotion.map_or("", |p| ""))
[INFO] [stdout]     |                                                                            ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rng`
[INFO] [stdout]  --> src/ai.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     rng: SmallRng,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_fen`
[INFO] [stdout]    --> src/board.rs:360:8
[INFO] [stdout]     |
[INFO] [stdout] 360 | pub fn parse_fen(s: &str) -> Option<Board> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]    --> src/board.rs:372:8
[INFO] [stdout]     |
[INFO] [stdout] 372 | pub fn parse(s: &str) -> Option<Board> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Error`
[INFO] [stdout]    --> src/move_generator.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     Error,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.84s
[INFO] running `Command { std: "docker" "inspect" "15244bc3aad287c3bda57c575d484dba048c3339a086d761f9fc694f79e1360f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15244bc3aad287c3bda57c575d484dba048c3339a086d761f9fc694f79e1360f", kill_on_drop: false }`
[INFO] [stdout] 15244bc3aad287c3bda57c575d484dba048c3339a086d761f9fc694f79e1360f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dabf99b986d2b690673905659721bdf9c5724c10834fc4654dcd5e32fdd9b52e
[INFO] running `Command { std: "docker" "start" "-a" "dabf99b986d2b690673905659721bdf9c5724c10834fc4654dcd5e32fdd9b52e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ai.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 |     eval: Box<Evaluator>,
[INFO] [stdout]   |               ^^^^^^^^^ help: use `dyn`: `dyn Evaluator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/board.rs:260:15
[INFO] [stdout]     |
[INFO] [stdout] 260 |         ffn: &Fn(Option<(Piece, Color)>, &mut fmt::Formatter) -> (),
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<(Piece, Color)>, &mut fmt::Formatter) -> ()`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `char::ParseCharError`, `num::ParseIntError`
[INFO] [stdout]    --> src/move_generator.rs:124:11
[INFO] [stdout]     |
[INFO] [stdout] 124 | use std::{char::ParseCharError, num::ParseIntError};
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/move_generator.rs:412:14
[INFO] [stdout]     |
[INFO] [stdout] 412 |             1...6 => {
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SubCommand`
[INFO] [stdout]   --> src/main.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 | use clap::{App, Arg, SubCommand};
[INFO] [stdout]    |                      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Player` is imported redundantly
[INFO] [stdout]   --> src/main.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | use player::Player;
[INFO] [stdout]    |     -------------- the item `Player` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 98 |     use crate::player::Player;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:114:33
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let (cur, color): (&mut Player, Color) = if t % 2 == 0 {
[INFO] [stdout]     |                                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Capture`
[INFO] [stdout]    --> src/main.rs:267:38
[INFO] [stdout]     |
[INFO] [stdout] 267 |     use crate::validator::MoveType::{Capture, Quiet};
[INFO] [stdout]     |                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/move_generator.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     color: Color,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/move_generator.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 290 |     color: Color,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/move_generator.rs:305:5
[INFO] [stdout]     |
[INFO] [stdout] 305 |     color: Color,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/move_generator.rs:321:5
[INFO] [stdout]     |
[INFO] [stdout] 321 |     color: Color,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/move_generator.rs:346:5
[INFO] [stdout]     |
[INFO] [stdout] 346 |     color: Color,
[INFO] [stdout]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/move_generator.rs:108:76
[INFO] [stdout]     |
[INFO] [stdout] 108 |         write!(f, "{}{}{}", self.from, self.to, self.promotion.map_or("", |p| ""))
[INFO] [stdout]     |                                                                            ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rng`
[INFO] [stdout]  --> src/ai.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     rng: SmallRng,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Error`
[INFO] [stdout]    --> src/move_generator.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     Error,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "dabf99b986d2b690673905659721bdf9c5724c10834fc4654dcd5e32fdd9b52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dabf99b986d2b690673905659721bdf9c5724c10834fc4654dcd5e32fdd9b52e", kill_on_drop: false }`
[INFO] [stdout] dabf99b986d2b690673905659721bdf9c5724c10834fc4654dcd5e32fdd9b52e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70e8744792dc2a2b067d0f8623a016a767ff8bcd1a547768b976a8f636a3822b
[INFO] running `Command { std: "docker" "start" "-a" "70e8744792dc2a2b067d0f8623a016a767ff8bcd1a547768b976a8f636a3822b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 30 tests
[INFO] [stderr]  --> src/ai.rs:9:15
[INFO] [stdout] test board::test_fen ... ok
[INFO] [stderr]   |
[INFO] [stdout] test move_generator::tests::case_iterator_one_two ... ok
[INFO] [stderr] 9 |     eval: Box<Evaluator>,
[INFO] [stdout] test move_generator::tests::genmoves_knight_white_bottom_left ... ok
[INFO] [stderr]   |               ^^^^^^^^^ help: use `dyn`: `dyn Evaluator`
[INFO] [stdout] test move_generator::tests::genmoves_knight_white_top_right_one_occupied_case ... ok
[INFO] [stderr]   |
[INFO] [stdout] test move_generator::tests::genmoves_knight_white_center ... ok
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] test move_generator::tests::genmoves_pawn_white_capture ... ok
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout] test move_generator::tests::debug_illegalmove_e5d4 ... ok
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] test tests::has_1_1 ... ok
[INFO] [stderr] 
[INFO] [stdout] test move_generator::tests::genmoves_bishop_white ... ok
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] test tests::has_empty ... ok
[INFO] [stderr]    --> src/board.rs:260:15
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::has_1_0 ... ok
[INFO] [stderr] 260 |         ffn: &Fn(Option<(Piece, Color)>, &mut fmt::Formatter) -> (),
[INFO] [stdout] test tests::it_works2 ... ok
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<(Piece, Color)>, &mut fmt::Formatter) -> ()`
[INFO] [stdout] test tests::has_0_0 ... ok
[INFO] [stderr]     |
[INFO] [stdout] test move_generator::tests::genmoves_start ... ok
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout] test move_generator::tests::genmoves_rook_white_obstacle ... ok
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] test move_generator::tests::case_iterator_first ... ok
[INFO] [stderr] 
[INFO] [stdout] test move_generator::tests::genmoves_knight_white_top_right ... ok
[INFO] [stderr] warning: unused imports: `char::ParseCharError`, `num::ParseIntError`
[INFO] [stdout] test move_generator::tests::genmoves_knights_white ... ok
[INFO] [stderr]    --> src/move_generator.rs:124:11
[INFO] [stdout] test move_generator::tests::case_iterator_last ... ok
[INFO] [stderr]     |
[INFO] [stdout] test move_generator::tests::genmoves_rook_white_capture ... ok
[INFO] [stderr] 124 | use std::{char::ParseCharError, num::ParseIntError};
[INFO] [stdout] test move_generator::tests::genmoves_pawn_black_capture ... ok
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test move_generator::tests::case_iterator_1_63 ... ok
[INFO] [stderr]     |
[INFO] [stdout] test move_generator::tests::case_iterator_rnd ... ok
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] test move_generator::tests::genmoves_rook_white ... ok
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/move_generator.rs:412:14
[INFO] [stderr]     |
[INFO] [stderr] 412 |             1...6 => {
[INFO] [stderr]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]   --> src/main.rs:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]    |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Player` is imported redundantly
[INFO] [stderr]   --> src/main.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | use player::Player;
[INFO] [stderr]    |     -------------- the item `Player` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 98 |     use crate::player::Player;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:114:33
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let (cur, color): (&mut Player, Color) = if t % 2 == 0 {
[INFO] [stderr]     |                                 ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Capture`
[INFO] [stderr]    --> src/main.rs:267:38
[INFO] [stderr]     |
[INFO] [stderr] 267 |     use crate::validator::MoveType::{Capture, Quiet};
[INFO] [stderr]     |                                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/move_generator.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     color: Color,
[INFO] [stderr]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/move_generator.rs:290:5
[INFO] [stderr]     |
[INFO] [stderr] 290 |     color: Color,
[INFO] [stderr]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/move_generator.rs:305:5
[INFO] [stderr]     |
[INFO] [stderr] 305 |     color: Color,
[INFO] [stderr]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/move_generator.rs:321:5
[INFO] [stderr]     |
[INFO] [stderr] 321 |     color: Color,
[INFO] [stderr]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/move_generator.rs:346:5
[INFO] [stderr]     |
[INFO] [stderr] 346 |     color: Color,
[INFO] [stderr]     |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/move_generator.rs:108:76
[INFO] [stderr]     |
[INFO] [stderr] 108 |         write!(f, "{}{}{}", self.from, self.to, self.promotion.map_or("", |p| ""))
[INFO] [stderr]     |                                                                            ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rng`
[INFO] [stderr]  --> src/ai.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     rng: SmallRng,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Error`
[INFO] [stderr]    --> src/move_generator.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     Error,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chess-45fb48a386176aeb)
[INFO] [stdout] test move_generator::tests::case_iterator_empty ... ok
[INFO] [stdout] test move_generator::tests::genmoves_knight_white_top_right_capture ... ok
[INFO] [stdout] test tests::move_bank ... ok
[INFO] [stdout] test tests::parse ... ok
[INFO] [stdout] test tests::validate_pawn_w_quiet_move1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70e8744792dc2a2b067d0f8623a016a767ff8bcd1a547768b976a8f636a3822b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e8744792dc2a2b067d0f8623a016a767ff8bcd1a547768b976a8f636a3822b", kill_on_drop: false }`
[INFO] [stdout] 70e8744792dc2a2b067d0f8623a016a767ff8bcd1a547768b976a8f636a3822b