[INFO] updating cached repository https://github.com/mhazoglou/RPN-Calculator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/mhazoglou/RPN-Calculator
[INFO] [stderr]    0c077ba..5473513  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5473513363d5da6fb22215cb7041073ec56031c4
[INFO] testing mhazoglou/RPN-Calculator against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhazoglou%2FRPN-Calculator" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mhazoglou/RPN-Calculator on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mhazoglou/RPN-Calculator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] faefa41e24e62fd1ec226a128c03ea9a0beaa0df7bf79a7f5404b10599d9ae73
[INFO] running `"docker" "start" "-a" "faefa41e24e62fd1ec226a128c03ea9a0beaa0df7bf79a7f5404b10599d9ae73"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rpn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/lib.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |             _ => println!("What a beautiful Duwang!"),
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "faefa41e24e62fd1ec226a128c03ea9a0beaa0df7bf79a7f5404b10599d9ae73"`
[INFO] running `"docker" "rm" "-f" "faefa41e24e62fd1ec226a128c03ea9a0beaa0df7bf79a7f5404b10599d9ae73"`
[INFO] [stdout] faefa41e24e62fd1ec226a128c03ea9a0beaa0df7bf79a7f5404b10599d9ae73
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0a0fe5ec31a5f1f7e1065101d569b6cc91827d130eba4acbab7bc70a2d1fce0
[INFO] running `"docker" "start" "-a" "e0a0fe5ec31a5f1f7e1065101d569b6cc91827d130eba4acbab7bc70a2d1fce0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rpn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/lib.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |             _ => println!("What a beautiful Duwang!"),
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/lib.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |             _ => println!("What a beautiful Duwang!"),
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "e0a0fe5ec31a5f1f7e1065101d569b6cc91827d130eba4acbab7bc70a2d1fce0"`
[INFO] running `"docker" "rm" "-f" "e0a0fe5ec31a5f1f7e1065101d569b6cc91827d130eba4acbab7bc70a2d1fce0"`
[INFO] [stdout] e0a0fe5ec31a5f1f7e1065101d569b6cc91827d130eba4acbab7bc70a2d1fce0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0ab3fea8aeb1ce8219f4bf5b516fd35ae8c2c377b28d11daf94ba0afeceb63d
[INFO] running `"docker" "start" "-a" "d0ab3fea8aeb1ce8219f4bf5b516fd35ae8c2c377b28d11daf94ba0afeceb63d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/lib.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |             _ => println!("What a beautiful Duwang!"),
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/lib.rs:113:13
[INFO] [stderr]     |
[INFO] [stderr] 113 |             _ => println!("What a beautiful Duwang!"),
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rpn-9f24333e00b39fff
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rpn-65a07aeb122c7939
[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] [stdout] 
[INFO] [stderr]    Doc-tests rpn
[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] [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 `"docker" "inspect" "d0ab3fea8aeb1ce8219f4bf5b516fd35ae8c2c377b28d11daf94ba0afeceb63d"`
[INFO] running `"docker" "rm" "-f" "d0ab3fea8aeb1ce8219f4bf5b516fd35ae8c2c377b28d11daf94ba0afeceb63d"`
[INFO] [stdout] d0ab3fea8aeb1ce8219f4bf5b516fd35ae8c2c377b28d11daf94ba0afeceb63d