[INFO] updating cached repository https://github.com/jD91mZM2/crappy-chess-minimax
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a12b29eaf0f0d40ef01c3e985f5610911b4ae0d4
[INFO] checking jD91mZM2/crappy-chess-minimax against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjD91mZM2%2Fcrappy-chess-minimax" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jD91mZM2/crappy-chess-minimax on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jD91mZM2/crappy-chess-minimax
[INFO] finished tweaking git repo https://github.com/jD91mZM2/crappy-chess-minimax
[INFO] tweaked toml for git repo https://github.com/jD91mZM2/crappy-chess-minimax written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5bae0b02e02d64decba74c281b14402466b13da7819e4106d5baae9782e1df5b
[INFO] running `"docker" "start" "-a" "5bae0b02e02d64decba74c281b14402466b13da7819e4106d5baae9782e1df5b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking chess-minimax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `PieceKind` is imported redundantly
[INFO] [stderr]   --> src/board.rs:61:39
[INFO] [stderr]    |
[INFO] [stderr] 3  |     piece::{Piece, PieceKind},
[INFO] [stderr]    |                    --------- the item `PieceKind` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 61 |         use crate::piece::PieceKind::{self, *};
[INFO] [stderr]    |                                       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `PieceKind` is imported redundantly
[INFO] [stderr]   --> src/board.rs:61:39
[INFO] [stderr]    |
[INFO] [stderr] 3  |     piece::{Piece, PieceKind},
[INFO] [stderr]    |                    --------- the item `PieceKind` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 61 |         use crate::piece::PieceKind::{self, *};
[INFO] [stderr]    |                                       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `"docker" "inspect" "5bae0b02e02d64decba74c281b14402466b13da7819e4106d5baae9782e1df5b"`
[INFO] running `"docker" "rm" "-f" "5bae0b02e02d64decba74c281b14402466b13da7819e4106d5baae9782e1df5b"`
[INFO] [stdout] 5bae0b02e02d64decba74c281b14402466b13da7819e4106d5baae9782e1df5b