[INFO] cloning repository https://github.com/Jack92829/Rust_maze_generation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jack92829/Rust_maze_generation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJack92829%2FRust_maze_generation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJack92829%2FRust_maze_generation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ccb6f44e916aa11b759cce76472695f15ead086
[INFO] testing Jack92829/Rust_maze_generation against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJack92829%2FRust_maze_generation" "/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/Jack92829/Rust_maze_generation on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jack92829/Rust_maze_generation
[INFO] finished tweaking git repo https://github.com/Jack92829/Rust_maze_generation
[INFO] tweaked toml for git repo https://github.com/Jack92829/Rust_maze_generation written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Jack92829/Rust_maze_generation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96cb8ff4d715c5a4a01f6be995ef2f6490bbeda9af90ff8c518b88f3c2fd0f6f
[INFO] running `Command { std: "docker" "start" "-a" "96cb8ff4d715c5a4a01f6be995ef2f6490bbeda9af90ff8c518b88f3c2fd0f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96cb8ff4d715c5a4a01f6be995ef2f6490bbeda9af90ff8c518b88f3c2fd0f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96cb8ff4d715c5a4a01f6be995ef2f6490bbeda9af90ff8c518b88f3c2fd0f6f", kill_on_drop: false }`
[INFO] [stdout] 96cb8ff4d715c5a4a01f6be995ef2f6490bbeda9af90ff8c518b88f3c2fd0f6f
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fd27e0acefc22697b6cb49b0949947e560c1ea08939cf8d8100c34323399cc7
[INFO] running `Command { std: "docker" "start" "-a" "1fd27e0acefc22697b6cb49b0949947e560c1ea08939cf8d8100c34323399cc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling maze_generation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.16s
[INFO] running `Command { std: "docker" "inspect" "1fd27e0acefc22697b6cb49b0949947e560c1ea08939cf8d8100c34323399cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd27e0acefc22697b6cb49b0949947e560c1ea08939cf8d8100c34323399cc7", kill_on_drop: false }`
[INFO] [stdout] 1fd27e0acefc22697b6cb49b0949947e560c1ea08939cf8d8100c34323399cc7
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 154af9dd626fc7d733864ee65e40cfe9902efbcb80ad227ce5800d472aaf28c1
[INFO] running `Command { std: "docker" "start" "-a" "154af9dd626fc7d733864ee65e40cfe9902efbcb80ad227ce5800d472aaf28c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling maze_generation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "154af9dd626fc7d733864ee65e40cfe9902efbcb80ad227ce5800d472aaf28c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "154af9dd626fc7d733864ee65e40cfe9902efbcb80ad227ce5800d472aaf28c1", kill_on_drop: false }`
[INFO] [stdout] 154af9dd626fc7d733864ee65e40cfe9902efbcb80ad227ce5800d472aaf28c1
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5c4b07955a47387288c60c98652b9b1247b9a99934b5c8669e8a28c122c7f9e
[INFO] running `Command { std: "docker" "start" "-a" "c5c4b07955a47387288c60c98652b9b1247b9a99934b5c8669e8a28c122c7f9e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/maze_generation-1adb7d784678c2df)
[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" "c5c4b07955a47387288c60c98652b9b1247b9a99934b5c8669e8a28c122c7f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c4b07955a47387288c60c98652b9b1247b9a99934b5c8669e8a28c122c7f9e", kill_on_drop: false }`
[INFO] [stdout] c5c4b07955a47387288c60c98652b9b1247b9a99934b5c8669e8a28c122c7f9e