[INFO] cloning repository https://github.com/y011d4/Polyomino-Solver-in-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/y011d4/Polyomino-Solver-in-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy011d4%2FPolyomino-Solver-in-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy011d4%2FPolyomino-Solver-in-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da213f8f620d6aef241c0ecc2c4a191a7c646486
[INFO] testing y011d4/Polyomino-Solver-in-Rust against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy011d4%2FPolyomino-Solver-in-Rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/y011d4/Polyomino-Solver-in-Rust on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/y011d4/Polyomino-Solver-in-Rust
[INFO] finished tweaking git repo https://github.com/y011d4/Polyomino-Solver-in-Rust
[INFO] tweaked toml for git repo https://github.com/y011d4/Polyomino-Solver-in-Rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/y011d4/Polyomino-Solver-in-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0e0b8d181b9048def23ad93da913ba0b4bfdd22c9a424c1fae79dc6ff12d2ec
[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" "c0e0b8d181b9048def23ad93da913ba0b4bfdd22c9a424c1fae79dc6ff12d2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0e0b8d181b9048def23ad93da913ba0b4bfdd22c9a424c1fae79dc6ff12d2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e0b8d181b9048def23ad93da913ba0b4bfdd22c9a424c1fae79dc6ff12d2ec", kill_on_drop: false }`
[INFO] [stdout] c0e0b8d181b9048def23ad93da913ba0b4bfdd22c9a424c1fae79dc6ff12d2ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 708ba6ded642a98b6934e691f8be848e43c5d07a3bce77410fce9b3abafdff4a
[INFO] running `Command { std: "docker" "start" "-a" "708ba6ded642a98b6934e691f8be848e43c5d07a3bce77410fce9b3abafdff4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyomino v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "708ba6ded642a98b6934e691f8be848e43c5d07a3bce77410fce9b3abafdff4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "708ba6ded642a98b6934e691f8be848e43c5d07a3bce77410fce9b3abafdff4a", kill_on_drop: false }`
[INFO] [stdout] 708ba6ded642a98b6934e691f8be848e43c5d07a3bce77410fce9b3abafdff4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27244f85c677f6e11f4cf3da6029fe9a84a6c04bbfb427083cd7c47d4c984127
[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" "27244f85c677f6e11f4cf3da6029fe9a84a6c04bbfb427083cd7c47d4c984127", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyomino v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "27244f85c677f6e11f4cf3da6029fe9a84a6c04bbfb427083cd7c47d4c984127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27244f85c677f6e11f4cf3da6029fe9a84a6c04bbfb427083cd7c47d4c984127", kill_on_drop: false }`
[INFO] [stdout] 27244f85c677f6e11f4cf3da6029fe9a84a6c04bbfb427083cd7c47d4c984127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3cfd90cd5d31dc9cf40358d32c8c079a380dd09d2886aac5a546a79a0e719870
[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" "3cfd90cd5d31dc9cf40358d32c8c079a380dd09d2886aac5a546a79a0e719870", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/polyomino-df64babe09af5fa9
[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" "3cfd90cd5d31dc9cf40358d32c8c079a380dd09d2886aac5a546a79a0e719870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cfd90cd5d31dc9cf40358d32c8c079a380dd09d2886aac5a546a79a0e719870", kill_on_drop: false }`
[INFO] [stdout] 3cfd90cd5d31dc9cf40358d32c8c079a380dd09d2886aac5a546a79a0e719870