[INFO] cloning repository https://github.com/mhazoglou/RPN-Calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mhazoglou/RPN-Calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhazoglou%2FRPN-Calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhazoglou%2FRPN-Calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 995331de224e0746cb027366cdd30d0a93a2c45d
[INFO] testing mhazoglou/RPN-Calculator against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhazoglou%2FRPN-Calculator" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mhazoglou/RPN-Calculator 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/mhazoglou/RPN-Calculator
[INFO] finished tweaking git repo https://github.com/mhazoglou/RPN-Calculator
[INFO] tweaked toml for git repo https://github.com/mhazoglou/RPN-Calculator written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/mhazoglou/RPN-Calculator 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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 995374ca487785613e63ca3d24cea96a5bb980f6d00d62fd9189c5194e51cd69
[INFO] running `Command { std: "docker" "start" "-a" "995374ca487785613e63ca3d24cea96a5bb980f6d00d62fd9189c5194e51cd69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "995374ca487785613e63ca3d24cea96a5bb980f6d00d62fd9189c5194e51cd69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "995374ca487785613e63ca3d24cea96a5bb980f6d00d62fd9189c5194e51cd69", kill_on_drop: false }`
[INFO] [stdout] 995374ca487785613e63ca3d24cea96a5bb980f6d00d62fd9189c5194e51cd69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 8b83de2e5e6576b0686a687a84f21f0c9f0dabb13bbe68fbc971f306b1d620ec
[INFO] running `Command { std: "docker" "start" "-a" "8b83de2e5e6576b0686a687a84f21f0c9f0dabb13bbe68fbc971f306b1d620ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rpn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             _ => println!("What a beautiful Duwang!"),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` 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 3.93s
[INFO] running `Command { std: "docker" "inspect" "8b83de2e5e6576b0686a687a84f21f0c9f0dabb13bbe68fbc971f306b1d620ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b83de2e5e6576b0686a687a84f21f0c9f0dabb13bbe68fbc971f306b1d620ec", kill_on_drop: false }`
[INFO] [stdout] 8b83de2e5e6576b0686a687a84f21f0c9f0dabb13bbe68fbc971f306b1d620ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 4713a77b24701d04c30ed4ba2b361b586558b383a2a04f8bcce8251b1c26e283
[INFO] running `Command { std: "docker" "start" "-a" "4713a77b24701d04c30ed4ba2b361b586558b383a2a04f8bcce8251b1c26e283", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             _ => println!("What a beautiful Duwang!"),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rpn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             _ => println!("What a beautiful Duwang!"),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` 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 1.00s
[INFO] running `Command { std: "docker" "inspect" "4713a77b24701d04c30ed4ba2b361b586558b383a2a04f8bcce8251b1c26e283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4713a77b24701d04c30ed4ba2b361b586558b383a2a04f8bcce8251b1c26e283", kill_on_drop: false }`
[INFO] [stdout] 4713a77b24701d04c30ed4ba2b361b586558b383a2a04f8bcce8251b1c26e283
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 0e83d888831f904173106ad79d1ef0f9be98ca6f460ac99378afd658c8ac4842
[INFO] running `Command { std: "docker" "start" "-a" "0e83d888831f904173106ad79d1ef0f9be98ca6f460ac99378afd658c8ac4842", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unreachable pattern
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:116:13
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 116 |             _ => println!("What a beautiful Duwang!"),
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |             ^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `rpn` (lib) generated 1 warning
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: `rpn` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.54s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rpn-04ea2e7efbd88552)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rpn-fcdbff2f7ff7c8d4)
[INFO] [stderr]    Doc-tests rpn
[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" "0e83d888831f904173106ad79d1ef0f9be98ca6f460ac99378afd658c8ac4842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e83d888831f904173106ad79d1ef0f9be98ca6f460ac99378afd658c8ac4842", kill_on_drop: false }`
[INFO] [stdout] 0e83d888831f904173106ad79d1ef0f9be98ca6f460ac99378afd658c8ac4842