[INFO] cloning repository https://github.com/upsidedown8/chess_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/upsidedown8/chess_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupsidedown8%2Fchess_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupsidedown8%2Fchess_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f2d6de7bd1789e322d9f0371869188e92711c03
[INFO] testing upsidedown8/chess_rs against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupsidedown8%2Fchess_rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/upsidedown8/chess_rs on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/upsidedown8/chess_rs
[INFO] finished tweaking git repo https://github.com/upsidedown8/chess_rs
[INFO] tweaked toml for git repo https://github.com/upsidedown8/chess_rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/upsidedown8/chess_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02780ae41590fee16506847fc369cc008bbd3825f86f000f5cf553775f84cf9e
[INFO] running `Command { std: "docker" "start" "-a" "02780ae41590fee16506847fc369cc008bbd3825f86f000f5cf553775f84cf9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02780ae41590fee16506847fc369cc008bbd3825f86f000f5cf553775f84cf9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02780ae41590fee16506847fc369cc008bbd3825f86f000f5cf553775f84cf9e", kill_on_drop: false }`
[INFO] [stdout] 02780ae41590fee16506847fc369cc008bbd3825f86f000f5cf553775f84cf9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f63d6ab1dd79a476e3cf3db526b585f49bf34688cfd92c12a7d12ce8207f3004
[INFO] running `Command { std: "docker" "start" "-a" "f63d6ab1dd79a476e3cf3db526b585f49bf34688cfd92c12a7d12ce8207f3004", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling chess_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/engine/search.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use time::{Duration, Instant};
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `best_move` is never read
[INFO] [stdout]    --> src/engine/search.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut best_move = 0;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `symbol`
[INFO] [stdout]   --> src/engine/piece.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn symbol(&self) -> char {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `iterative_deepening`
[INFO] [stdout]    --> src/engine/search.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub fn iterative_deepening(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `two_player_console`
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn two_player_console() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.90s
[INFO] running `Command { std: "docker" "inspect" "f63d6ab1dd79a476e3cf3db526b585f49bf34688cfd92c12a7d12ce8207f3004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f63d6ab1dd79a476e3cf3db526b585f49bf34688cfd92c12a7d12ce8207f3004", kill_on_drop: false }`
[INFO] [stdout] f63d6ab1dd79a476e3cf3db526b585f49bf34688cfd92c12a7d12ce8207f3004
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2578192c2df67602e67a6030f4277effec788523590fe231230d812df6db5fb
[INFO] running `Command { std: "docker" "start" "-a" "c2578192c2df67602e67a6030f4277effec788523590fe231230d812df6db5fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/engine/search.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use time::{Duration, Instant};
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `best_move` is never read
[INFO] [stdout]    --> src/engine/search.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut best_move = 0;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `symbol`
[INFO] [stdout]   --> src/engine/piece.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn symbol(&self) -> char {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `iterative_deepening`
[INFO] [stdout]    --> src/engine/search.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub fn iterative_deepening(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `two_player_console`
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn two_player_console() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "c2578192c2df67602e67a6030f4277effec788523590fe231230d812df6db5fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2578192c2df67602e67a6030f4277effec788523590fe231230d812df6db5fb", kill_on_drop: false }`
[INFO] [stdout] c2578192c2df67602e67a6030f4277effec788523590fe231230d812df6db5fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c8ecdbb1104a3ea298f079f89ed5273a066e7ae4b4711f17c2080396cdcd6e7
[INFO] running `Command { std: "docker" "start" "-a" "7c8ecdbb1104a3ea298f079f89ed5273a066e7ae4b4711f17c2080396cdcd6e7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/engine/search.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | use time::{Duration, Instant};
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `best_move` is never read
[INFO] [stderr]    --> src/engine/search.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let mut best_move = 0;
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `symbol`
[INFO] [stderr]   --> src/engine/piece.rs:99:12
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn symbol(&self) -> char {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `iterative_deepening`
[INFO] [stderr]    --> src/engine/search.rs:144:8
[INFO] [stderr]     |
[INFO] [stderr] 144 | pub fn iterative_deepening(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `two_player_console`
[INFO] [stderr]   --> src/main.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn two_player_console() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chess_rs-2705a529b24e4231)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test engine::board::tests::fen ... ok
[INFO] [stdout] test engine::perft::tests::perft_depth_2 ... ok
[INFO] [stdout] test engine::board::tests::undo ... FAILED
[INFO] [stdout] test engine::perft::tests::perft_depth_1 ... ok
[INFO] [stdout] test engine::perft::tests::perft_depth_3 ... ok
[INFO] [stdout] test engine::perft::tests::perft_depth_4 ... ok
[INFO] [stdout] test engine::perft::tests::perft_depth_5 ... ok
[INFO] [stdout] test engine::perft::tests::perft_depth_6 has been running for over 60 seconds
[INFO] [stdout] test engine::perft::tests::perft_depth_7 has been running for over 60 seconds
[INFO] [stdout] test engine::perft::tests::perft_depth_8 has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7c8ecdbb1104a3ea298f079f89ed5273a066e7ae4b4711f17c2080396cdcd6e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8ecdbb1104a3ea298f079f89ed5273a066e7ae4b4711f17c2080396cdcd6e7", kill_on_drop: false }`
[INFO] [stdout] 7c8ecdbb1104a3ea298f079f89ed5273a066e7ae4b4711f17c2080396cdcd6e7