[INFO] cloning repository https://github.com/ColonelPhantom/fe_chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ColonelPhantom/fe_chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Ffe_chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Ffe_chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 165329e0074e15526635dddf935da1912433e24a
[INFO] testing ColonelPhantom/fe_chess against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColonelPhantom%2Ffe_chess" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ColonelPhantom/fe_chess on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ColonelPhantom/fe_chess
[INFO] finished tweaking git repo https://github.com/ColonelPhantom/fe_chess
[INFO] tweaked toml for git repo https://github.com/ColonelPhantom/fe_chess written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ColonelPhantom/fe_chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded csv v1.0.7
[INFO] [stderr]   Downloaded csv-core v0.1.5
[INFO] [stderr]   Downloaded shrust v0.0.6
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c00c34badc5a114ff9d2a7f8eeb9251d64ad9a28ddae12e1d8bfc4572c770d44
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c00c34badc5a114ff9d2a7f8eeb9251d64ad9a28ddae12e1d8bfc4572c770d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c00c34badc5a114ff9d2a7f8eeb9251d64ad9a28ddae12e1d8bfc4572c770d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00c34badc5a114ff9d2a7f8eeb9251d64ad9a28ddae12e1d8bfc4572c770d44", kill_on_drop: false }`
[INFO] [stdout] c00c34badc5a114ff9d2a7f8eeb9251d64ad9a28ddae12e1d8bfc4572c770d44
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac21ea632a5d64618c1e0dd503429aa53a00aa119b80a72cda57af36a1573182
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac21ea632a5d64618c1e0dd503429aa53a00aa119b80a72cda57af36a1573182", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling encode_unicode v0.3.5
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling csv v1.0.7
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling shrust v0.0.6
[INFO] [stderr]    Compiling fe_chess v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/ui/interactive.rs:25:76
[INFO] [stdout]    |
[INFO] [stdout] 25 |     shell.new_command("fromfen", "Reinit board from a FEN string", 1, |_,s,a| {
[INFO] [stdout]    |                                                                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/search/alphabeta.rs:61:36
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         if beta <= tt_entry.beta {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/search/alphabeta.rs:80:66
[INFO] [stdout]    |
[INFO] [stdout] 80 |                     if tt_entry.depthleft >= depthleft as i16 && tt_entry.eval_score >= beta {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/search/moveord.rs:51:20
[INFO] [stdout]    |
[INFO] [stdout] 51 |         Some(e) if e.eval.is_some() => {
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/search/quiesce.rs:46:28
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 if beta <= tt_entry.beta {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/search/quiesce.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 if tt_entry.eval_score >= beta {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_fen`
[INFO] [stdout]    --> src/board/text.rs:204:12
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn to_fen(&self) -> &str {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_decided`
[INFO] [stdout]    --> src/search/mod.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn is_decided(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pretty_perft`
[INFO] [stdout]   --> src/ui/perft.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn pretty_perft(b: &mut board::Board, depth: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.04s
[INFO] running `Command { std: "docker" "inspect" "ac21ea632a5d64618c1e0dd503429aa53a00aa119b80a72cda57af36a1573182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac21ea632a5d64618c1e0dd503429aa53a00aa119b80a72cda57af36a1573182", kill_on_drop: false }`
[INFO] [stdout] ac21ea632a5d64618c1e0dd503429aa53a00aa119b80a72cda57af36a1573182
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0232afb703896f05ff2415dc9aa99342ec35227e9baf21e87d61dd4c4b2e1cdc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0232afb703896f05ff2415dc9aa99342ec35227e9baf21e87d61dd4c4b2e1cdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling fe_chess v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/ui/interactive.rs:25:76
[INFO] [stdout]    |
[INFO] [stdout] 25 |     shell.new_command("fromfen", "Reinit board from a FEN string", 1, |_,s,a| {
[INFO] [stdout]    |                                                                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/search/alphabeta.rs:61:36
[INFO] [stdout]    |
[INFO] [stdout] 61 |                         if beta <= tt_entry.beta {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/search/alphabeta.rs:80:66
[INFO] [stdout]    |
[INFO] [stdout] 80 |                     if tt_entry.depthleft >= depthleft as i16 && tt_entry.eval_score >= beta {
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/search/moveord.rs:51:20
[INFO] [stdout]    |
[INFO] [stdout] 51 |         Some(e) if e.eval.is_some() => {
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/search/quiesce.rs:46:28
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 if beta <= tt_entry.beta {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stdout]   --> src/search/quiesce.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 if tt_entry.eval_score >= beta {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stdout]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_fen`
[INFO] [stdout]    --> src/board/text.rs:204:12
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn to_fen(&self) -> &str {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_decided`
[INFO] [stdout]    --> src/search/mod.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn is_decided(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pretty_perft`
[INFO] [stdout]   --> src/ui/perft.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn pretty_perft(b: &mut board::Board, depth: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "0232afb703896f05ff2415dc9aa99342ec35227e9baf21e87d61dd4c4b2e1cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0232afb703896f05ff2415dc9aa99342ec35227e9baf21e87d61dd4c4b2e1cdc", kill_on_drop: false }`
[INFO] [stdout] 0232afb703896f05ff2415dc9aa99342ec35227e9baf21e87d61dd4c4b2e1cdc
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 30eba59e65873517b10211a56123f8b1b9e5b9dd83a5c53520d8da9f3b6b51b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "30eba59e65873517b10211a56123f8b1b9e5b9dd83a5c53520d8da9f3b6b51b5", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/ui/interactive.rs:25:76
[INFO] [stderr]    |
[INFO] [stderr] 25 |     shell.new_command("fromfen", "Reinit board from a FEN string", 1, |_,s,a| {
[INFO] [stderr]    |                                                                            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/search/alphabeta.rs:61:36
[INFO] [stderr]    |
[INFO] [stderr] 61 |                         if beta <= tt_entry.beta {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(safe_packed_borrows)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/search/alphabeta.rs:80:66
[INFO] [stderr]    |
[INFO] [stderr] 80 |                     if tt_entry.depthleft >= depthleft as i16 && tt_entry.eval_score >= beta {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/search/moveord.rs:51:20
[INFO] [stderr]    |
[INFO] [stderr] 51 |         Some(e) if e.eval.is_some() => {
[INFO] [stderr]    |                    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/search/quiesce.rs:46:28
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 if beta <= tt_entry.beta {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: borrow of packed field is unsafe and requires unsafe function or block (error E0133)
[INFO] [stderr]   --> src/search/quiesce.rs:54:20
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 if tt_entry.eval_score >= beta {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #46043 <https://github.com/rust-lang/rust/issues/46043>
[INFO] [stderr]    = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_fen`
[INFO] [stderr]    --> src/board/text.rs:204:12
[INFO] [stderr]     |
[INFO] [stderr] 204 |     pub fn to_fen(&self) -> &str {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_decided`
[INFO] [stderr]    --> src/search/mod.rs:104:12
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn is_decided(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pretty_perft`
[INFO] [stderr]   --> src/ui/perft.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn pretty_perft(b: &mut board::Board, depth: usize) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fe_chess-755ce99b4cfcb7ca
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "30eba59e65873517b10211a56123f8b1b9e5b9dd83a5c53520d8da9f3b6b51b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30eba59e65873517b10211a56123f8b1b9e5b9dd83a5c53520d8da9f3b6b51b5", kill_on_drop: false }`
[INFO] [stdout] 30eba59e65873517b10211a56123f8b1b9e5b9dd83a5c53520d8da9f3b6b51b5
