[INFO] cloning repository https://github.com/tugaysolmaz/chessty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tugaysolmaz/chessty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftugaysolmaz%2Fchessty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftugaysolmaz%2Fchessty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e66efa4bd2aea7318d73f2b33daf271cd85d9b9
[INFO] checking tugaysolmaz/chessty against try#6db1a6a7ebb2ad243051f3ff949f987dd70cde2b+rustflags=-Dreturn-local-variable-ptr for pr-134218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftugaysolmaz%2Fchessty" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tugaysolmaz/chessty on toolchain 6db1a6a7ebb2ad243051f3ff949f987dd70cde2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tugaysolmaz/chessty
[INFO] finished tweaking git repo https://github.com/tugaysolmaz/chessty
[INFO] tweaked toml for git repo https://github.com/tugaysolmaz/chessty written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tugaysolmaz/chessty 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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 006a79491b5ff5ef8706cd2a9b2374f62f37929ef8bcf5eecdf22546a13c6bd5
[INFO] running `Command { std: "docker" "start" "-a" "006a79491b5ff5ef8706cd2a9b2374f62f37929ef8bcf5eecdf22546a13c6bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "006a79491b5ff5ef8706cd2a9b2374f62f37929ef8bcf5eecdf22546a13c6bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006a79491b5ff5ef8706cd2a9b2374f62f37929ef8bcf5eecdf22546a13c6bd5", kill_on_drop: false }`
[INFO] [stdout] 006a79491b5ff5ef8706cd2a9b2374f62f37929ef8bcf5eecdf22546a13c6bd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dreturn-local-variable-ptr" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1af0cc41453277750ec4c5febc7875267f5755c49decdc68e977ef86780dad12
[INFO] running `Command { std: "docker" "start" "-a" "1af0cc41453277750ec4c5febc7875267f5755c49decdc68e977ef86780dad12", kill_on_drop: false }`
[INFO] [stderr]     Checking cheest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `apppend_valid_pos`
[INFO] [stdout]  --> src/engine/moveset.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     raw_moveset::{apppend_valid_pos, move_horizontal, move_vertical, valid_pos},
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::actions::move_piece`
[INFO] [stdout]  --> src/engine/validator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::engine::actions::move_piece;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PieceType` and `Piece`
[INFO] [stdout]  --> src/engine/validator.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pieces::{Piece, PieceType},
[INFO] [stdout]   |              ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `apppend_valid_pos`
[INFO] [stdout]  --> src/engine/moveset.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     raw_moveset::{apppend_valid_pos, move_horizontal, move_vertical, valid_pos},
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::actions::move_piece`
[INFO] [stdout]  --> src/engine/validator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::engine::actions::move_piece;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PieceType` and `Piece`
[INFO] [stdout]  --> src/engine/validator.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pieces::{Piece, PieceType},
[INFO] [stdout]   |              ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine/moveset.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut moveset = vec![
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `valid`
[INFO] [stdout]   --> src/engine/moveset.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut valid: bool;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_valid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `table`
[INFO] [stdout]   --> src/engine/validator.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn self_checks(table: &mut Table, from: &i32, to: &i32) -> bool {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_table`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/engine/validator.rs:34:35
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn self_checks(table: &mut Table, from: &i32, to: &i32) -> bool {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/engine/validator.rs:34:47
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn self_checks(table: &mut Table, from: &i32, to: &i32) -> bool {
[INFO] [stdout]    |                                               ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/engine/moveset.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut moveset = vec![
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `valid`
[INFO] [stdout]   --> src/engine/moveset.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut valid: bool;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_valid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_graveyard` is never used
[INFO] [stdout]   --> src/engine/actions.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn to_graveyard(table: &mut Table, pos: &usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_and_take` is never used
[INFO] [stdout]   --> src/engine/actions.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn move_and_take(table: &mut Table, from: &usize, to: &usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_en_passant` is never used
[INFO] [stdout]   --> src/engine/actions.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn take_en_passant(table: &mut Table, from: &usize, to: &usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `table`
[INFO] [stdout]   --> src/engine/validator.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn self_checks(table: &mut Table, from: &i32, to: &i32) -> bool {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_table`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/engine/validator.rs:34:35
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn self_checks(table: &mut Table, from: &i32, to: &i32) -> bool {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/engine/validator.rs:34:47
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn self_checks(table: &mut Table, from: &i32, to: &i32) -> bool {
[INFO] [stdout]    |                                               ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_graveyard` is never used
[INFO] [stdout]   --> src/engine/actions.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn to_graveyard(table: &mut Table, pos: &usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_and_take` is never used
[INFO] [stdout]   --> src/engine/actions.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn move_and_take(table: &mut Table, from: &usize, to: &usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_en_passant` is never used
[INFO] [stdout]   --> src/engine/actions.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn take_en_passant(table: &mut Table, from: &usize, to: &usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `moveset`, `pos_arr2int as a2i`, and `table::Table`
[INFO] [stdout]  --> tests/test_engine/test_raw_moveset.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |         moveset,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 4 |         raw_moveset::{self, apppend_valid_pos, pos_arr2int as a2i},
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     },
[INFO] [stdout] 6 |     table::Table,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "1af0cc41453277750ec4c5febc7875267f5755c49decdc68e977ef86780dad12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1af0cc41453277750ec4c5febc7875267f5755c49decdc68e977ef86780dad12", kill_on_drop: false }`
[INFO] [stdout] 1af0cc41453277750ec4c5febc7875267f5755c49decdc68e977ef86780dad12