[INFO] fetching crate littlewing 0.8.0...
[INFO] testing littlewing-0.8.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate littlewing 0.8.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate littlewing 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate littlewing 0.8.0
[INFO] tweaked toml for crates.io crate littlewing 0.8.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate littlewing 0.8.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate littlewing 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline-derive v0.11.1
[INFO] [stderr]   Downloaded branches v0.4.4
[INFO] [stderr]   Downloaded getopts v0.2.24
[INFO] [stderr]   Downloaded rustyline v15.0.0
[INFO] [stderr]   Downloaded zerocopy v0.8.38
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecb62663a728255b1fe50275a70c67ee181ad25e37b36dde853d94806c9fbc78
[INFO] running `Command { std: "docker" "start" "-a" "ecb62663a728255b1fe50275a70c67ee181ad25e37b36dde853d94806c9fbc78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecb62663a728255b1fe50275a70c67ee181ad25e37b36dde853d94806c9fbc78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecb62663a728255b1fe50275a70c67ee181ad25e37b36dde853d94806c9fbc78", kill_on_drop: false }`
[INFO] [stdout] ecb62663a728255b1fe50275a70c67ee181ad25e37b36dde853d94806c9fbc78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51c1a63a4c584fbf8dc22fbbca190d6925eb3be49d12e758f3d46e08ea3a8535
[INFO] running `Command { std: "docker" "start" "-a" "51c1a63a4c584fbf8dc22fbbca190d6925eb3be49d12e758f3d46e08ea3a8535", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling branches v0.4.4
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling fd-lock v4.0.4
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling rustyline-derive v0.11.1
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling rustyline v15.0.0
[INFO] [stderr]    Compiling littlewing v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:139:52
[INFO] [stdout]     |
[INFO] [stdout] 139 |             PieceMoveListStage::Done            => panic!("no next stage")
[INFO] [stdout]     |                                                    ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout]     = note: `#[warn(ambiguous_panic_imports)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:179:52
[INFO] [stdout]     |
[INFO] [stdout] 179 |             PieceMoveListStage::Done            => panic!("last stage")
[INFO] [stdout]     |                                                    ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:245:18
[INFO] [stdout]     |
[INFO] [stdout] 245 |             _ => panic!("wrong generation stage")
[INFO] [stdout]     |                  ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:259:51
[INFO] [stdout]     |
[INFO] [stdout] 259 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:274:51
[INFO] [stdout]     |
[INFO] [stdout] 274 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:290:51
[INFO] [stdout]     |
[INFO] [stdout] 290 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:306:51
[INFO] [stdout]     |
[INFO] [stdout] 306 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:321:51
[INFO] [stdout]     |
[INFO] [stdout] 321 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:336:51
[INFO] [stdout]     |
[INFO] [stdout] 336 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_generator.rs:153:22
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 _ => panic!()
[INFO] [stdout]     |                      ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_generator.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]   --> src/piece_move_notation.rs:76:30
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 _         => panic!("could not parse promotion")
[INFO] [stdout]    |                              ^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]   --> src/piece_move_notation.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use std::prelude::v1::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]    = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]   --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/protocols/xboard.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |             panic!("no fen given");
[INFO] [stdout]     |             ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/protocols/xboard.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.39s
[INFO] running `Command { std: "docker" "inspect" "51c1a63a4c584fbf8dc22fbbca190d6925eb3be49d12e758f3d46e08ea3a8535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c1a63a4c584fbf8dc22fbbca190d6925eb3be49d12e758f3d46e08ea3a8535", kill_on_drop: false }`
[INFO] [stdout] 51c1a63a4c584fbf8dc22fbbca190d6925eb3be49d12e758f3d46e08ea3a8535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 171310455db06695d7124d8dfc0103c9892a374359e0d2ebd480e864ef477f9d
[INFO] running `Command { std: "docker" "start" "-a" "171310455db06695d7124d8dfc0103c9892a374359e0d2ebd480e864ef477f9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.38
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling clap_builder v4.5.57
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling criterion-plot v0.8.2
[INFO] [stderr]    Compiling clap v4.5.57
[INFO] [stderr]    Compiling zerocopy-derive v0.8.38
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling rustyline-derive v0.11.1
[INFO] [stderr]    Compiling littlewing v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:139:52
[INFO] [stdout]     |
[INFO] [stdout] 139 |             PieceMoveListStage::Done            => panic!("no next stage")
[INFO] [stdout]     |                                                    ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout]     = note: `#[warn(ambiguous_panic_imports)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:179:52
[INFO] [stdout]     |
[INFO] [stdout] 179 |             PieceMoveListStage::Done            => panic!("last stage")
[INFO] [stdout]     |                                                    ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:245:18
[INFO] [stdout]     |
[INFO] [stdout] 245 |             _ => panic!("wrong generation stage")
[INFO] [stdout]     |                  ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:259:51
[INFO] [stdout]     |
[INFO] [stdout] 259 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:274:51
[INFO] [stdout]     |
[INFO] [stdout] 274 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:290:51
[INFO] [stdout]     |
[INFO] [stdout] 290 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:306:51
[INFO] [stdout]     |
[INFO] [stdout] 306 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:321:51
[INFO] [stdout]     |
[INFO] [stdout] 321 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:336:51
[INFO] [stdout]     |
[INFO] [stdout] 336 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_generator.rs:153:22
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 _ => panic!()
[INFO] [stdout]     |                      ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_generator.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]   --> src/piece_move_notation.rs:76:30
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 _         => panic!("could not parse promotion")
[INFO] [stdout]    |                              ^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]   --> src/piece_move_notation.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use std::prelude::v1::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]    = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]   --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/protocols/xboard.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |             panic!("no fen given");
[INFO] [stdout]     |             ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/protocols/xboard.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.8.2
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:139:52
[INFO] [stdout]     |
[INFO] [stdout] 139 |             PieceMoveListStage::Done            => panic!("no next stage")
[INFO] [stdout]     |                                                    ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout]     = note: `#[warn(ambiguous_panic_imports)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:179:52
[INFO] [stdout]     |
[INFO] [stdout] 179 |             PieceMoveListStage::Done            => panic!("last stage")
[INFO] [stdout]     |                                                    ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:245:18
[INFO] [stdout]     |
[INFO] [stdout] 245 |             _ => panic!("wrong generation stage")
[INFO] [stdout]     |                  ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:259:51
[INFO] [stdout]     |
[INFO] [stdout] 259 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:274:51
[INFO] [stdout]     |
[INFO] [stdout] 274 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:290:51
[INFO] [stdout]     |
[INFO] [stdout] 290 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:306:51
[INFO] [stdout]     |
[INFO] [stdout] 306 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:321:51
[INFO] [stdout]     |
[INFO] [stdout] 321 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_list.rs:336:51
[INFO] [stdout]     |
[INFO] [stdout] 336 |             _                                  => panic!("wrong generation stage")
[INFO] [stdout]     |                                                   ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_list.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/piece_move_generator.rs:153:22
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 _ => panic!()
[INFO] [stdout]     |                      ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/piece_move_generator.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]   --> src/piece_move_notation.rs:76:30
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 _         => panic!("could not parse promotion")
[INFO] [stdout]    |                              ^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]   --> src/piece_move_notation.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use std::prelude::v1::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]    = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]   --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `panic` is ambiguous
[INFO] [stdout]    --> src/protocols/xboard.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |             panic!("no fen given");
[INFO] [stdout]     |             ^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stdout] note: `panic` could refer to the macro imported here
[INFO] [stdout]    --> src/protocols/xboard.rs:1:5
[INFO] [stdout]     |
[INFO] [stdout]   1 | use std::prelude::v1::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stdout]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stdout] note: `panic` could also refer to a macro from prelude
[INFO] [stdout]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.88s
[INFO] running `Command { std: "docker" "inspect" "171310455db06695d7124d8dfc0103c9892a374359e0d2ebd480e864ef477f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "171310455db06695d7124d8dfc0103c9892a374359e0d2ebd480e864ef477f9d", kill_on_drop: false }`
[INFO] [stdout] 171310455db06695d7124d8dfc0103c9892a374359e0d2ebd480e864ef477f9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e526e883f6897f793e28242263fdaddd86fe1062593afd7912f67d01d429109
[INFO] running `Command { std: "docker" "start" "-a" "1e526e883f6897f793e28242263fdaddd86fe1062593afd7912f67d01d429109", kill_on_drop: false }`
[INFO] [stderr] warning: `panic` is ambiguous
[INFO] [stderr]    --> src/piece_move_list.rs:139:52
[INFO] [stderr]     |
[INFO] [stderr] 139 |             PieceMoveListStage::Done            => panic!("no next stage")
[INFO] [stderr]     |                                                    ^^^^^ ambiguous name
[INFO] [stderr]     |
[INFO] [stderr]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stderr] note: `panic` could refer to the macro imported here
[INFO] [stderr]    --> src/piece_move_list.rs:1:5
[INFO] [stderr]     |
[INFO] [stderr]   1 | use std::prelude::v1::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stderr]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stderr] note: `panic` could also refer to a macro from prelude
[INFO] [stderr]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stderr]     = note: `#[warn(ambiguous_panic_imports)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `panic` is ambiguous
[INFO] [stderr]    --> src/piece_move_list.rs:179:52
[INFO] [stderr]     |
[INFO] [stderr] 179 |             PieceMoveListStage::Done            => panic!("last stage")
[INFO] [stderr]     |                                                    ^^^^^ ambiguous name
[INFO] [stderr]     |
[INFO] [stderr]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stderr] note: `panic` could refer to the macro imported here
[INFO] [stderr]    --> src/piece_move_list.rs:1:5
[INFO] [stderr]     |
[INFO] [stderr]   1 | use std::prelude::v1::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stderr]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stderr] note: `panic` could also refer to a macro from prelude
[INFO] [stderr]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stderr] 
[INFO] [stderr] warning: `panic` is ambiguous
[INFO] [stderr]    --> src/piece_move_list.rs:245:18
[INFO] [stderr]     |
[INFO] [stderr] 245 |             _ => panic!("wrong generation stage")
[INFO] [stderr]     |                  ^^^^^ ambiguous name
[INFO] [stderr]     |
[INFO] [stderr]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stderr] note: `panic` could refer to the macro imported here
[INFO] [stderr]    --> src/piece_move_list.rs:1:5
[INFO] [stderr]     |
[INFO] [stderr]   1 | use std::prelude::v1::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stderr]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stderr] note: `panic` could also refer to a macro from prelude
[INFO] [stderr]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stderr] 
[INFO] [stderr] warning: `panic` is ambiguous
[INFO] [stderr]    --> src/piece_move_list.rs:259:51
[INFO] [stderr]     |
[INFO] [stderr] 259 |             _                                  => panic!("wrong generation stage")
[INFO] [stderr]     |                                                   ^^^^^ ambiguous name
[INFO] [stderr]     |
[INFO] [stderr]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stderr] note: `panic` could refer to the macro imported here
[INFO] [stderr]    --> src/piece_move_list.rs:1:5
[INFO] [stderr]     |
[INFO] [stderr]   1 | use std::prelude::v1::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stderr]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stderr] note: `panic` could also refer to a macro from prelude
[INFO] [stderr]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stderr] 
[INFO] [stderr] warning: `panic` is ambiguous
[INFO] [stderr]    --> src/piece_move_list.rs:274:51
[INFO] [stderr]     |
[INFO] [stderr] 274 |             _                                  => panic!("wrong generation stage")
[INFO] [stderr]     |                                                   ^^^^^ ambiguous name
[INFO] [stderr]     |
[INFO] [stderr]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stderr] note: `panic` could refer to the macro imported here
[INFO] [stderr]    --> src/piece_move_list.rs:1:5
[INFO] [stderr]     |
[INFO] [stderr]   1 | use std::prelude::v1::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stderr]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stderr] note: `panic` could also refer to a macro from prelude
[INFO] [stderr]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stderr] 
[INFO] [stderr] warning: `panic` is ambiguous
[INFO] [stderr]    --> src/piece_move_list.rs:290:51
[INFO] [stderr]     |
[INFO] [stderr] 290 |             _                                  => panic!("wrong generation stage")
[INFO] [stderr]     |                                                   ^^^^^ ambiguous name
[INFO] [stderr]     |
[INFO] [stderr]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stderr] note: `panic` could refer to the macro imported here
[INFO] [stderr]    --> src/piece_move_list.rs:1:5
[INFO] [stderr]     |
[INFO] [stderr]   1 | use std::prelude::v1::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stderr]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stderr] note: `panic` could also refer to a macro from prelude
[INFO] [stderr]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stderr] 
[INFO] [stderr] warning: `panic` is ambiguous
[INFO] [stderr]    --> src/piece_move_list.rs:306:51
[INFO] [stderr]     |
[INFO] [stderr] 306 |             _                                  => panic!("wrong generation stage")
[INFO] [stderr]     |                                                   ^^^^^ ambiguous name
[INFO] [stderr]     |
[INFO] [stderr]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stderr] note: `panic` could refer to the macro imported here
[INFO] [stderr]    --> src/piece_move_list.rs:1:5
[INFO] [stderr]     |
[INFO] [stderr]   1 | use std::prelude::v1::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stderr]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stderr] note: `panic` could also refer to a macro from prelude
[INFO] [stderr]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stderr] 
[INFO] [stderr] warning: `panic` is ambiguous
[INFO] [stderr]    --> src/piece_move_list.rs:321:51
[INFO] [stderr]     |
[INFO] [stderr] 321 |             _                                  => panic!("wrong generation stage")
[INFO] [stderr]     |                                                   ^^^^^ ambiguous name
[INFO] [stderr]     |
[INFO] [stderr]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stderr] note: `panic` could refer to the macro imported here
[INFO] [stderr]    --> src/piece_move_list.rs:1:5
[INFO] [stderr]     |
[INFO] [stderr]   1 | use std::prelude::v1::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stderr]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stderr] note: `panic` could also refer to a macro from prelude
[INFO] [stderr]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stderr] 
[INFO] [stderr] warning: `panic` is ambiguous
[INFO] [stderr]    --> src/piece_move_list.rs:336:51
[INFO] [stderr]     |
[INFO] [stderr] 336 |             _                                  => panic!("wrong generation stage")
[INFO] [stderr]     |                                                   ^^^^^ ambiguous name
[INFO] [stderr]     |
[INFO] [stderr]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stderr] note: `panic` could refer to the macro imported here
[INFO] [stderr]    --> src/piece_move_list.rs:1:5
[INFO] [stderr]     |
[INFO] [stderr]   1 | use std::prelude::v1::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stderr]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stderr] note: `panic` could also refer to a macro from prelude
[INFO] [stderr]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stderr] 
[INFO] [stderr] warning: `panic` is ambiguous
[INFO] [stderr]    --> src/piece_move_generator.rs:153:22
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 _ => panic!()
[INFO] [stderr]     |                      ^^^^^ ambiguous name
[INFO] [stderr]     |
[INFO] [stderr]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stderr] note: `panic` could refer to the macro imported here
[INFO] [stderr]    --> src/piece_move_generator.rs:1:5
[INFO] [stderr]     |
[INFO] [stderr]   1 | use std::prelude::v1::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stderr]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stderr] note: `panic` could also refer to a macro from prelude
[INFO] [stderr]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stderr] 
[INFO] [stderr] warning: `panic` is ambiguous
[INFO] [stderr]   --> src/piece_move_notation.rs:76:30
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 _         => panic!("could not parse promotion")
[INFO] [stderr]    |                              ^^^^^ ambiguous name
[INFO] [stderr]    |
[INFO] [stderr]    = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stderr] note: `panic` could refer to the macro imported here
[INFO] [stderr]   --> src/piece_move_notation.rs:1:5
[INFO] [stderr]    |
[INFO] [stderr]  1 | use std::prelude::v1::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stderr]    = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stderr] note: `panic` could also refer to a macro from prelude
[INFO] [stderr]   --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stderr] 
[INFO] [stderr] warning: `panic` is ambiguous
[INFO] [stderr]    --> src/protocols/xboard.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |             panic!("no fen given");
[INFO] [stderr]     |             ^^^^^ ambiguous name
[INFO] [stderr]     |
[INFO] [stderr]     = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution
[INFO] [stderr] note: `panic` could refer to the macro imported here
[INFO] [stderr]    --> src/protocols/xboard.rs:1:5
[INFO] [stderr]     |
[INFO] [stderr]   1 | use std::prelude::v1::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: consider adding an explicit import of `panic` to disambiguate
[INFO] [stderr]     = help: or use `self::panic` to refer to this macro unambiguously
[INFO] [stderr] note: `panic` could also refer to a macro from prelude
[INFO] [stderr]    --> /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/prelude/mod.rs:59:12
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #147319 <https://github.com/rust-lang/rust/issues/147319>
[INFO] [stderr] 
[INFO] [stderr] warning: `littlewing` (lib) generated 12 warnings
[INFO] [stderr] warning: `littlewing` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/littlewing-fd27820f06f8bb5b)
[INFO] [stdout] 
[INFO] [stdout] running 76 tests
[INFO] [stdout] test bitboard::tests::test_iterator ... ok
[INFO] [stdout] test common::tests::test_piece_masks ... ok
[INFO] [stdout] test dumb7fill::tests::test_dumb7fill ... ok
[INFO] [stdout] test attack::tests::test_bishop_attacks ... ok
[INFO] [stdout] test bitboard::tests::test_shift ... ok
[INFO] [stdout] test eval::tests::test_closed_files ... ok
[INFO] [stdout] test history::tests::test_update_history ... ok
[INFO] [stdout] test fen::tests::test_from_fen ... ok
[INFO] [stdout] test eval::tests::test_see ... ok
[INFO] [stdout] test history::tests::test_clear_history ... ok
[INFO] [stdout] test eval::tests::test_half_open_files ... ok
[INFO] [stdout] test attack::tests::test_piece_attacks ... ok
[INFO] [stdout] test eval::tests::test_open_files ... ok
[INFO] [stdout] test eval::tests::test_draw ... ok
[INFO] [stdout] test game::tests::test_tt_resize ... ok
[INFO] [stdout] test history::tests::test_delta ... ok
[INFO] [stdout] test attack::tests::test_rook_attacks ... ok
[INFO] [stdout] test board::tests::test_draw_with_coordinates ... ok
[INFO] [stdout] test piece_move::tests::test_move_is_promotion ... ok
[INFO] [stdout] test piece_move::tests::test_move_is_castle ... ok
[INFO] [stdout] test board::tests::test_draw ... ok
[INFO] [stdout] test board::tests::test_draw_compact_with_coordinates ... ok
[INFO] [stdout] test piece_move::tests::test_move_castle_kind ... ok
[INFO] [stdout] test piece_move::tests::test_move_promotion_kind ... ok
[INFO] [stdout] test pgn::tests::test_game_to_pgn ... ok
[INFO] [stdout] test piece_move_generator::tests::test_is_move_legal ... ok
[INFO] [stdout] test fen::tests::test_to_fen ... ok
[INFO] [stdout] test piece_move_generator::tests::test_make_undo_move ... ok
[INFO] [stdout] test piece_move_generator::tests::test_capture ... ok
[INFO] [stdout] test piece_move_generator::tests::test_make_move_hash ... ok
[INFO] [stdout] test pgn::tests::test_string_to_pgn ... ok
[INFO] [stdout] test piece::tests::test_piece ... ok
[INFO] [stdout] test piece_move_list::tests::test_moves_ordering ... ok
[INFO] [stdout] test piece_move_list::tests::test_next_stage ... ok
[INFO] [stdout] test piece_move_generator::tests::test_make_move_update_halfmoves_count ... ok
[INFO] [stdout] test piece_square_table::tests::test_pst ... ok
[INFO] [stdout] test positions::tests::test_position_castling_rights ... ok
[INFO] [stdout] test piece_move_notation::tests::test_move_from_lan_checked ... ok
[INFO] [stdout] test piece_move_generator::tests::test_moves_order_when_best_move_is_quiet_move ... ok
[INFO] [stdout] test piece_move_generator::tests::test_next_move ... ok
[INFO] [stdout] test piece_move_generator::tests::test_moves_order_with_best_and_killer_moves ... ok
[INFO] [stdout] test positions::tests::test_size_of_position ... ok
[INFO] [stdout] test piece_move_notation::tests::test_move_from_lan ... ok
[INFO] [stdout] test piece_move_generator::tests::test_mvv_lva ... ok
[INFO] [stdout] test piece_move_generator::tests::test_moves_order_when_best_move_is_bad_capture ... ok
[INFO] [stdout] test search::tests::test_fifty_move_rule ... ok
[INFO] [stdout] test piece_move_generator::tests::test_moves_order ... ok
[INFO] [stdout] test protocols::cli::tests::test_divide ... ok
[INFO] [stdout] test search::tests::test_get_moves ... ok
[INFO] [stdout] test piece_move_notation::tests::test_parse_move ... ok
[INFO] [stdout] test search::tests::test_is_mate ... ok
[INFO] [stdout] test search::tests::test_bug_promotion ... ok
[INFO] [stdout] test square::tests::test_from_coord ... ok
[INFO] [stdout] test square::tests::test_flip ... ok
[INFO] [stdout] test square::tests::test_to_coord ... ok
[INFO] [stdout] test search::tests::test_stalemate ... ok
[INFO] [stdout] test transposition::tests::test_new ... ok
[INFO] [stdout] test transposition::tests::test_size_of_transposition ... ok
[INFO] [stdout] test transposition::tests::test_store ... ok
[INFO] [stdout] test piece_move_generator::tests::test_next_capture ... ok
[INFO] [stdout] test zobrist::tests::test_new ... ok
[INFO] [stdout] test piece_move_generator::tests::test_generate_moves ... ok
[INFO] [stdout] test search::tests::test_threefold_repetition ... ok
[INFO] [stdout] test piece_move_notation::tests::test_move_from_san ... ok
[INFO] [stdout] test search::tests::test_search_node ... ok
[INFO] [stdout] test transposition_table::tests::test_transposition_table_in_threads ... ok
[INFO] [stdout] test transposition_table::tests::test_transposition_table ... ok
[INFO] [stdout] test piece_move_notation::tests::test_move_to_san ... ok
[INFO] [stdout] test search::tests::test_search ... ok
[INFO] [stdout] test transposition_table::tests::test_transposition_table_size ... ok
[INFO] [stdout] test search::tests::test_perft ... ok
[INFO] [stdout] test search::tests::test_repetitions ... ok
[INFO] [stdout] test piece_move_generator::tests::test_make_undo_move_hash ... ok
[INFO] [stdout] test pgn::tests::test_game_load_pgn ... ok
[INFO] [stdout] test search::tests::test_null_move_pruning ... ok
[INFO] [stdout] test protocols::cli::tests::test_undo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 76 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 22.81s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/littlewing-7cdc43d0ca6dce05)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/wac.rs (/opt/rustwide/target/debug/deps/wac-802091701f2635b4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_wac ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.35s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests littlewing
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.92s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 2.60s; merged doctests compilation took 0.66s
[INFO] running `Command { std: "docker" "inspect" "1e526e883f6897f793e28242263fdaddd86fe1062593afd7912f67d01d429109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e526e883f6897f793e28242263fdaddd86fe1062593afd7912f67d01d429109", kill_on_drop: false }`
[INFO] [stdout] 1e526e883f6897f793e28242263fdaddd86fe1062593afd7912f67d01d429109
