[INFO] fetching crate gridit 0.1.0...
[INFO] checking gridit-0.1.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate gridit 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate gridit 0.1.0
[INFO] finished tweaking crates.io crate gridit 0.1.0
[INFO] tweaked toml for crates.io crate gridit 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gridit 0.1.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gridit 0.1.0 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72ba90777632346d65a00e892610571430ce5210b00d1119d475e7cd336463dd
[INFO] running `Command { std: "docker" "start" "-a" "72ba90777632346d65a00e892610571430ce5210b00d1119d475e7cd336463dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72ba90777632346d65a00e892610571430ce5210b00d1119d475e7cd336463dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72ba90777632346d65a00e892610571430ce5210b00d1119d475e7cd336463dd", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 514e4459b9bd29be1d131ad231ff4c56d58c83ff71aa1ec694dd157aba7a1090
[INFO] running `Command { std: "docker" "start" "-a" "514e4459b9bd29be1d131ad231ff4c56d58c83ff71aa1ec694dd157aba7a1090", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `PositionsEnumerator`
[INFO] [stdout]  --> examples/board/piece/giraffe.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use gridit::{Grid, Position, PositionsEnumerator};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/gameoflife.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let mut cell = grid.get_mut_unchecked(position);
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grid`
[INFO] [stdout]   --> examples/board/piece/giraffe.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn possible_moves(&self, grid: &Grid<BoardPiece>, pos: Position) -> Vec<Position> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_grid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> examples/board/piece/giraffe.rs:21:55
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn possible_moves(&self, grid: &Grid<BoardPiece>, pos: Position) -> Vec<Position> {
[INFO] [stdout]    |                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/board/main.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let mut grid = gridit::Grid::from(start_board, 8, 8);
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 10`
[INFO] running `Command { std: "docker" "inspect" "514e4459b9bd29be1d131ad231ff4c56d58c83ff71aa1ec694dd157aba7a1090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "514e4459b9bd29be1d131ad231ff4c56d58c83ff71aa1ec694dd157aba7a1090", kill_on_drop: false }`
[INFO] [stdout] 514e4459b9bd29be1d131ad231ff4c56d58c83ff71aa1ec694dd157aba7a1090
