[INFO] cloning repository https://github.com/ngynkvn/chess-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ngynkvn/chess-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Fchess-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Fchess-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81a7dcd5337093e54c119505c37ad1c8db0e315e
[INFO] testing ngynkvn/chess-rust against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngynkvn%2Fchess-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ngynkvn/chess-rust on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ngynkvn/chess-rust
[INFO] finished tweaking git repo https://github.com/ngynkvn/chess-rust
[INFO] tweaked toml for git repo https://github.com/ngynkvn/chess-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ngynkvn/chess-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 040b00d0c193df1d513d504ff9c759e3b61afe5c48c3f88c6d546b90ccb009c2
[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" "040b00d0c193df1d513d504ff9c759e3b61afe5c48c3f88c6d546b90ccb009c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "040b00d0c193df1d513d504ff9c759e3b61afe5c48c3f88c6d546b90ccb009c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "040b00d0c193df1d513d504ff9c759e3b61afe5c48c3f88c6d546b90ccb009c2", kill_on_drop: false }`
[INFO] [stdout] 040b00d0c193df1d513d504ff9c759e3b61afe5c48c3f88c6d546b90ccb009c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 282eaba999e1c0dad6e1978d9f6bc9c77826779df1bf9a1c9939a06c3ab9ffee
[INFO] running `Command { std: "docker" "start" "-a" "282eaba999e1c0dad6e1978d9f6bc9c77826779df1bf9a1c9939a06c3ab9ffee", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `All`
[INFO] [stdout]  --> src/position.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     All,
[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 dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "282eaba999e1c0dad6e1978d9f6bc9c77826779df1bf9a1c9939a06c3ab9ffee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282eaba999e1c0dad6e1978d9f6bc9c77826779df1bf9a1c9939a06c3ab9ffee", kill_on_drop: false }`
[INFO] [stdout] 282eaba999e1c0dad6e1978d9f6bc9c77826779df1bf9a1c9939a06c3ab9ffee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9acb8e348808d3ecd402d733737db9e3e4d1b3bcd0a993cd89130e556c3233c
[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" "d9acb8e348808d3ecd402d733737db9e3e4d1b3bcd0a993cd89130e556c3233c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `All`
[INFO] [stdout]  --> src/position.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     All,
[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 0.57s
[INFO] running `Command { std: "docker" "inspect" "d9acb8e348808d3ecd402d733737db9e3e4d1b3bcd0a993cd89130e556c3233c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9acb8e348808d3ecd402d733737db9e3e4d1b3bcd0a993cd89130e556c3233c", kill_on_drop: false }`
[INFO] [stdout] d9acb8e348808d3ecd402d733737db9e3e4d1b3bcd0a993cd89130e556c3233c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4317617fbad1649fe86a99d95f853d32b6f5bf782fbd5009003392c23a47644c
[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" "4317617fbad1649fe86a99d95f853d32b6f5bf782fbd5009003392c23a47644c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `All`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/position.rs:7:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 7 |     All,
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_chess-00c890e964fc4403)
[INFO] running `Command { std: "docker" "inspect" "4317617fbad1649fe86a99d95f853d32b6f5bf782fbd5009003392c23a47644c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4317617fbad1649fe86a99d95f853d32b6f5bf782fbd5009003392c23a47644c", kill_on_drop: false }`
[INFO] [stdout] 4317617fbad1649fe86a99d95f853d32b6f5bf782fbd5009003392c23a47644c