[INFO] cloning repository https://github.com/barbariand/rust_chess_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/barbariand/rust_chess_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarbariand%2Frust_chess_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarbariand%2Frust_chess_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27092fec2cd36617c7e56d1330e6fd4e0049fb1e
[INFO] checking barbariand/rust_chess_engine against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarbariand%2Frust_chess_engine" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/barbariand/rust_chess_engine
[INFO] finished tweaking git repo https://github.com/barbariand/rust_chess_engine
[INFO] tweaked toml for git repo https://github.com/barbariand/rust_chess_engine written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/barbariand/rust_chess_engine on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/barbariand/rust_chess_engine 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" "+1.95.0" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64ba24dbb3f01bda51b9c51f97ab2419a1ff181ea1f61691ff8fac8debcb4b31
[INFO] running `Command { std: "docker" "start" "-a" "64ba24dbb3f01bda51b9c51f97ab2419a1ff181ea1f61691ff8fac8debcb4b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64ba24dbb3f01bda51b9c51f97ab2419a1ff181ea1f61691ff8fac8debcb4b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ba24dbb3f01bda51b9c51f97ab2419a1ff181ea1f61691ff8fac8debcb4b31", kill_on_drop: false }`
[INFO] [stdout] 64ba24dbb3f01bda51b9c51f97ab2419a1ff181ea1f61691ff8fac8debcb4b31
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4229994f23b24eeb4366136956c9fd2e09751ff373860d95e9b387603bdccc4
[INFO] running `Command { std: "docker" "start" "-a" "a4229994f23b24eeb4366136956c9fd2e09751ff373860d95e9b387603bdccc4", kill_on_drop: false }`
[INFO] [stderr]     Checking rusttesting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str::FromStr`
[INFO] [stdout]  --> src/chess_engine/board/file.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     str::FromStr,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str::FromStr`
[INFO] [stdout]  --> src/chess_engine/board/rank.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::{Add, Sub}, str::FromStr};
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/chess_engine/pieces/mod.rs:1:55
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{board::{Board, BoardPosition, MoveOffset, self}, errors::{Error, ActionError}};
[INFO] [stdout]   |                                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/chess_engine/history/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `piece` is assigned to, but never used
[INFO] [stdout]   --> src/chess_engine/pieces/mod.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 let mut piece=board[&self.to_pos].take().expect("Unreatcheble beacuse allready checked why hacking");
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_piece` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `piece` is never read
[INFO] [stdout]   --> src/chess_engine/pieces/mod.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 piece.pos=None;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str::FromStr`
[INFO] [stdout]  --> src/chess_engine/board/file.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     str::FromStr,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str::FromStr`
[INFO] [stdout]  --> src/chess_engine/board/rank.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::{Add, Sub}, str::FromStr};
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/chess_engine/pieces/mod.rs:1:55
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{board::{Board, BoardPosition, MoveOffset, self}, errors::{Error, ActionError}};
[INFO] [stdout]   |                                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/chess_engine/history/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusttesting` (bin "rusttesting") due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable `piece` is assigned to, but never used
[INFO] [stdout]   --> src/chess_engine/pieces/mod.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 let mut piece=board[&self.to_pos].take().expect("Unreatcheble beacuse allready checked why hacking");
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_piece` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `piece` is never read
[INFO] [stdout]   --> src/chess_engine/pieces/mod.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 piece.pos=None;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusttesting` (bin "rusttesting" test) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a4229994f23b24eeb4366136956c9fd2e09751ff373860d95e9b387603bdccc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4229994f23b24eeb4366136956c9fd2e09751ff373860d95e9b387603bdccc4", kill_on_drop: false }`
[INFO] [stdout] a4229994f23b24eeb4366136956c9fd2e09751ff373860d95e9b387603bdccc4
