[INFO] cloning repository https://github.com/dandeeccastro/dan_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandeeccastro/dan_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandeeccastro%2Fdan_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandeeccastro%2Fdan_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e30d10e1630d7b86758333360b635a56bab695c
[INFO] testing dandeeccastro/dan_engine against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandeeccastro%2Fdan_engine" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dandeeccastro/dan_engine on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dandeeccastro/dan_engine
[INFO] finished tweaking git repo https://github.com/dandeeccastro/dan_engine
[INFO] tweaked toml for git repo https://github.com/dandeeccastro/dan_engine written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/dandeeccastro/dan_engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de17348102ee46de0190d1e989078639aa0db7fd1a5ebb370384721133956e4c
[INFO] running `Command { std: "docker" "start" "-a" "de17348102ee46de0190d1e989078639aa0db7fd1a5ebb370384721133956e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de17348102ee46de0190d1e989078639aa0db7fd1a5ebb370384721133956e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de17348102ee46de0190d1e989078639aa0db7fd1a5ebb370384721133956e4c", kill_on_drop: false }`
[INFO] [stdout] de17348102ee46de0190d1e989078639aa0db7fd1a5ebb370384721133956e4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 025e21ddccd4d342f865b324f3c8608fde0177a54d06bb03770134d7b25902fc
[INFO] running `Command { std: "docker" "start" "-a" "025e21ddccd4d342f865b324f3c8608fde0177a54d06bb03770134d7b25902fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir/chess)
[INFO] [stdout] warning: associated function is never used: `iterator`
[INFO] [stdout]   --> chess/src/lib.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 28 |         pub fn iterator() -> impl Iterator<Item = Color>  {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dan_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.21s
[INFO] running `Command { std: "docker" "inspect" "025e21ddccd4d342f865b324f3c8608fde0177a54d06bb03770134d7b25902fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "025e21ddccd4d342f865b324f3c8608fde0177a54d06bb03770134d7b25902fc", kill_on_drop: false }`
[INFO] [stdout] 025e21ddccd4d342f865b324f3c8608fde0177a54d06bb03770134d7b25902fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53f1eae687018e61ec0f6d69b03a5ece83c8083b06af8dc6cf9bf175fa158770
[INFO] running `Command { std: "docker" "start" "-a" "53f1eae687018e61ec0f6d69b03a5ece83c8083b06af8dc6cf9bf175fa158770", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dan_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `iterator`
[INFO] [stdout]   --> chess/src/lib.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 28 |         pub fn iterator() -> impl Iterator<Item = Color>  {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/dan_engine-f8a356c10f810489)
[INFO] running `Command { std: "docker" "inspect" "53f1eae687018e61ec0f6d69b03a5ece83c8083b06af8dc6cf9bf175fa158770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f1eae687018e61ec0f6d69b03a5ece83c8083b06af8dc6cf9bf175fa158770", kill_on_drop: false }`
[INFO] [stdout] 53f1eae687018e61ec0f6d69b03a5ece83c8083b06af8dc6cf9bf175fa158770
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e207688e1de3f66e4f47f62cdd7fa2e33df0b1348f00e585f1cd7569ec8b54ff
[INFO] running `Command { std: "docker" "start" "-a" "e207688e1de3f66e4f47f62cdd7fa2e33df0b1348f00e585f1cd7569ec8b54ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `iterator`
[INFO] [stderr]   --> chess/src/lib.rs:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 |         pub fn iterator() -> impl Iterator<Item = Color>  {
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chess` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dan_engine-f8a356c10f810489)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e207688e1de3f66e4f47f62cdd7fa2e33df0b1348f00e585f1cd7569ec8b54ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e207688e1de3f66e4f47f62cdd7fa2e33df0b1348f00e585f1cd7569ec8b54ff", kill_on_drop: false }`
[INFO] [stdout] e207688e1de3f66e4f47f62cdd7fa2e33df0b1348f00e585f1cd7569ec8b54ff