[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 beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhazoglou%2FRPN-Calculator" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mhazoglou/RPN-Calculator on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-33/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" "+beta-2021-09-08" "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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8952fcb8672de55798787d6c5ff5bd755cf06f022bd13550ba2055fa6feb6c1c
[INFO] running `Command { std: "docker" "start" "-a" "8952fcb8672de55798787d6c5ff5bd755cf06f022bd13550ba2055fa6feb6c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8952fcb8672de55798787d6c5ff5bd755cf06f022bd13550ba2055fa6feb6c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8952fcb8672de55798787d6c5ff5bd755cf06f022bd13550ba2055fa6feb6c1c", kill_on_drop: false }`
[INFO] [stdout] 8952fcb8672de55798787d6c5ff5bd755cf06f022bd13550ba2055fa6feb6c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecdc7d959ab7e7afa274b9d52c3215aa32e1db1000cd0b2ecfb0e129c1b0bde8
[INFO] running `Command { std: "docker" "start" "-a" "ecdc7d959ab7e7afa274b9d52c3215aa32e1db1000cd0b2ecfb0e129c1b0bde8", kill_on_drop: false }`
[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 2.09s
[INFO] running `Command { std: "docker" "inspect" "ecdc7d959ab7e7afa274b9d52c3215aa32e1db1000cd0b2ecfb0e129c1b0bde8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecdc7d959ab7e7afa274b9d52c3215aa32e1db1000cd0b2ecfb0e129c1b0bde8", kill_on_drop: false }`
[INFO] [stdout] ecdc7d959ab7e7afa274b9d52c3215aa32e1db1000cd0b2ecfb0e129c1b0bde8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7783bcc11e1adcd83459e2d3f517de288bd0df48bf14440eb1716f666854c460
[INFO] running `Command { std: "docker" "start" "-a" "7783bcc11e1adcd83459e2d3f517de288bd0df48bf14440eb1716f666854c460", 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.98s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7783bcc11e1adcd83459e2d3f517de288bd0df48bf14440eb1716f666854c460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7783bcc11e1adcd83459e2d3f517de288bd0df48bf14440eb1716f666854c460", kill_on_drop: false }`
[INFO] [stdout] 7783bcc11e1adcd83459e2d3f517de288bd0df48bf14440eb1716f666854c460
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f4c0ff513e97400dc8f0a66829fa97e5fda5eff5be29e22d31e516eaff0b93a
[INFO] running `Command { std: "docker" "start" "-a" "5f4c0ff513e97400dc8f0a66829fa97e5fda5eff5be29e22d31e516eaff0b93a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/lib.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |             _ => println!("What a beautiful Duwang!"),
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rpn` (lib) generated 1 warning
[INFO] [stderr] warning: `rpn` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rpn-95a4f909040b7789)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rpn-df2438840e0fe1b8)
[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] [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" "5f4c0ff513e97400dc8f0a66829fa97e5fda5eff5be29e22d31e516eaff0b93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4c0ff513e97400dc8f0a66829fa97e5fda5eff5be29e22d31e516eaff0b93a", kill_on_drop: false }`
[INFO] [stdout] 5f4c0ff513e97400dc8f0a66829fa97e5fda5eff5be29e22d31e516eaff0b93a