[INFO] fetching crate game-grid 0.1.3...
[INFO] checking game-grid-0.1.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate game-grid 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate game-grid 0.1.3
[INFO] finished tweaking crates.io crate game-grid 0.1.3
[INFO] tweaked toml for crates.io crate game-grid 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate game-grid 0.1.3 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 388 packages to latest compatible versions
[INFO] [stderr]       Adding bevy v0.9.1 (available: v0.17.2)
[INFO] [stderr]       Adding wasm-bindgen-futures v0.4.45 (available: v0.4.55)
[INFO] [stderr]       Adding web-sys v0.3.72 (available: v0.3.82)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2001e393b241953cc4dd3b18a6a6ae711f22440a1fc73c4e83854a0648c10db
[INFO] running `Command { std: "docker" "start" "-a" "d2001e393b241953cc4dd3b18a6a6ae711f22440a1fc73c4e83854a0648c10db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2001e393b241953cc4dd3b18a6a6ae711f22440a1fc73c4e83854a0648c10db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2001e393b241953cc4dd3b18a6a6ae711f22440a1fc73c4e83854a0648c10db", kill_on_drop: false }`
[INFO] [stdout] d2001e393b241953cc4dd3b18a6a6ae711f22440a1fc73c4e83854a0648c10db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 812ad81eeacd171b86871a0c4d1b01cd09f5b42ca8275975db77e900de8fffa1
[INFO] running `Command { std: "docker" "start" "-a" "812ad81eeacd171b86871a0c4d1b01cd09f5b42ca8275975db77e900de8fffa1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling game-grid-derive-core v0.1.0
[INFO] [stderr]    Compiling game-grid-derive v0.1.0
[INFO] [stderr]     Checking game-grid v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:315:38
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn iter<Point: GridPosition>(&self) -> GridIter<Cell, Point> {
[INFO] [stdout]     |                                      ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn iter<Point: GridPosition>(&self) -> GridIter<'_, Cell, Point> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:315:38
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn iter<Point: GridPosition>(&self) -> GridIter<Cell, Point> {
[INFO] [stdout]     |                                      ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 315 |     pub fn iter<Point: GridPosition>(&self) -> GridIter<'_, Cell, Point> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Grid<char>, ParseGridError<Infallible>>
[INFO] [stdout]    --> src/lib.rs:564:22
[INFO] [stdout]     |
[INFO] [stdout] 564 |         let result = "abc".parse::<Grid<char>>();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Grid<char>, ParseGridError<Infallible>>
[INFO] [stdout]    --> src/lib.rs:565:17
[INFO] [stdout]     |
[INFO] [stdout] 565 |         assert!(result.is_ok());
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Grid<char>, ParseGridError<Infallible>>
[INFO] [stdout]    --> src/lib.rs:566:22
[INFO] [stdout]     |
[INFO] [stdout] 566 |         let result = result.unwrap();
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `game-grid` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "812ad81eeacd171b86871a0c4d1b01cd09f5b42ca8275975db77e900de8fffa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "812ad81eeacd171b86871a0c4d1b01cd09f5b42ca8275975db77e900de8fffa1", kill_on_drop: false }`
[INFO] [stdout] 812ad81eeacd171b86871a0c4d1b01cd09f5b42ca8275975db77e900de8fffa1
