[INFO] fetching crate konig 0.1.5...
[INFO] checking konig-0.1.5 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate konig 0.1.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate konig 0.1.5 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate konig 0.1.5
[INFO] finished tweaking crates.io crate konig 0.1.5
[INFO] tweaked toml for crates.io crate konig 0.1.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e335058d6d06ca1487c2fa434efe2e1c8829e71119247d667ad396da983c700d
[INFO] running `Command { std: "docker" "start" "-a" "e335058d6d06ca1487c2fa434efe2e1c8829e71119247d667ad396da983c700d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e335058d6d06ca1487c2fa434efe2e1c8829e71119247d667ad396da983c700d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e335058d6d06ca1487c2fa434efe2e1c8829e71119247d667ad396da983c700d", kill_on_drop: false }`
[INFO] [stdout] e335058d6d06ca1487c2fa434efe2e1c8829e71119247d667ad396da983c700d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 646fd69362b3cad3d28ea049a31f28380969464de082e93aae4d8f812a2881f4
[INFO] running `Command { std: "docker" "start" "-a" "646fd69362b3cad3d28ea049a31f28380969464de082e93aae4d8f812a2881f4", kill_on_drop: false }`
[INFO] [stderr]     Checking nonmax v0.5.5
[INFO] [stderr]     Checking konig v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/io/fen.rs:236:42
[INFO] [stdout]     |
[INFO] [stdout] 236 | fn rank<'a>(source: &'a str) -> FenResult<[Option<Piece>; 8]> {
[INFO] [stdout]     |         -- lifetime `'a` declared here   ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/io/fen.rs:236:42
[INFO] [stdout]     |
[INFO] [stdout] 236 | fn rank<'a>(source: &'a str) -> FenResult<[Option<Piece>; 8]> {
[INFO] [stdout]     |         -- lifetime `'a` declared here   ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(associated_type_bounds)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_flatten` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(slice_flatten)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(associated_type_bounds)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_flatten` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(slice_flatten)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `flatten` found for struct `Vec<[Option<standard::piece::Piece>; 8]>` in the current scope
[INFO] [stdout]    --> src/io/fen.rs:304:19
[INFO] [stdout]     |
[INFO] [stdout] 304 |             files.flatten().try_into().unwrap()
[INFO] [stdout]     |                   ^^^^^^^ `Vec<[Option<standard::piece::Piece>; 8]>` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]     |
[INFO] [stdout] 304 |             files.into_iter().flatten().try_into().unwrap()
[INFO] [stdout]     |                   ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `flatten` found for struct `Vec<[Option<standard::piece::Piece>; 8]>` in the current scope
[INFO] [stdout]    --> src/io/fen.rs:304:19
[INFO] [stdout]     |
[INFO] [stdout] 304 |             files.flatten().try_into().unwrap()
[INFO] [stdout]     |                   ^^^^^^^ `Vec<[Option<standard::piece::Piece>; 8]>` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]     |
[INFO] [stdout] 304 |             files.into_iter().flatten().try_into().unwrap()
[INFO] [stdout]     |                   ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `candidate`
[INFO] [stdout]    --> src/standard/board.rs:107:24
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn validate(&self, candidate: Self::Move) -> Result<Self::LegalMove, Self::ValidationError> {
[INFO] [stdout]     |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_candidate`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `candidate`
[INFO] [stdout]    --> src/standard/board.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         candidate: crate::io::San,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_candidate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `candidate`
[INFO] [stdout]    --> src/standard/board.rs:123:23
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn process(&self, candidate: Self::LegalMove) -> Self {
[INFO] [stdout]     |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_candidate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> src/standard/square.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn distance(kind: Self::PieceKind, a: Self, b: Self) -> Self::PieceMetricTarget
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/standard/square.rs:28:40
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn distance(kind: Self::PieceKind, a: Self, b: Self) -> Self::PieceMetricTarget
[INFO] [stdout]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/standard/square.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn distance(kind: Self::PieceKind, a: Self, b: Self) -> Self::PieceMetricTarget
[INFO] [stdout]    |                                                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `konig` (lib) due to 1 previous error; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `candidate`
[INFO] [stdout]    --> src/standard/board.rs:107:24
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn validate(&self, candidate: Self::Move) -> Result<Self::LegalMove, Self::ValidationError> {
[INFO] [stdout]     |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_candidate`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `candidate`
[INFO] [stdout]    --> src/standard/board.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         candidate: crate::io::San,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_candidate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `candidate`
[INFO] [stdout]    --> src/standard/board.rs:123:23
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn process(&self, candidate: Self::LegalMove) -> Self {
[INFO] [stdout]     |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_candidate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> src/standard/square.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn distance(kind: Self::PieceKind, a: Self, b: Self) -> Self::PieceMetricTarget
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/standard/square.rs:28:40
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn distance(kind: Self::PieceKind, a: Self, b: Self) -> Self::PieceMetricTarget
[INFO] [stdout]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/standard/square.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn distance(kind: Self::PieceKind, a: Self, b: Self) -> Self::PieceMetricTarget
[INFO] [stdout]    |                                                 ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `konig` (lib test) due to 1 previous error; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "646fd69362b3cad3d28ea049a31f28380969464de082e93aae4d8f812a2881f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "646fd69362b3cad3d28ea049a31f28380969464de082e93aae4d8f812a2881f4", kill_on_drop: false }`
[INFO] [stdout] 646fd69362b3cad3d28ea049a31f28380969464de082e93aae4d8f812a2881f4
