[INFO] cloning repository https://github.com/syed-ghufran-hassan/even_odd_add_sub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/syed-ghufran-hassan/even_odd_add_sub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyed-ghufran-hassan%2Feven_odd_add_sub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyed-ghufran-hassan%2Feven_odd_add_sub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a7956b7fc26d28129c35adb32c320c152560f3a
[INFO] testing syed-ghufran-hassan/even_odd_add_sub 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%2Fsyed-ghufran-hassan%2Feven_odd_add_sub" "/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/syed-ghufran-hassan/even_odd_add_sub 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/syed-ghufran-hassan/even_odd_add_sub
[INFO] finished tweaking git repo https://github.com/syed-ghufran-hassan/even_odd_add_sub
[INFO] tweaked toml for git repo https://github.com/syed-ghufran-hassan/even_odd_add_sub written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/syed-ghufran-hassan/even_odd_add_sub 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] 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" "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] 75e3c9248190f2f66cf4254a792d8dbd072d7c38fad97439dcd6af24e5bc57e1
[INFO] running `Command { std: "docker" "start" "-a" "75e3c9248190f2f66cf4254a792d8dbd072d7c38fad97439dcd6af24e5bc57e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75e3c9248190f2f66cf4254a792d8dbd072d7c38fad97439dcd6af24e5bc57e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e3c9248190f2f66cf4254a792d8dbd072d7c38fad97439dcd6af24e5bc57e1", kill_on_drop: false }`
[INFO] [stdout] 75e3c9248190f2f66cf4254a792d8dbd072d7c38fad97439dcd6af24e5bc57e1
[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" "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] d89afca7060c799596fbaa2e240a7fd829c5f368ef5c294f274ed724fe9a9fdb
[INFO] running `Command { std: "docker" "start" "-a" "d89afca7060c799596fbaa2e240a7fd829c5f368ef5c294f274ed724fe9a9fdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_io v0.1.7
[INFO] [stderr]    Compiling rec2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `Checker` should have a snake case name
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn Checker(_new_num:i8)->i8
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `checker`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` 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 1.30s
[INFO] running `Command { std: "docker" "inspect" "d89afca7060c799596fbaa2e240a7fd829c5f368ef5c294f274ed724fe9a9fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89afca7060c799596fbaa2e240a7fd829c5f368ef5c294f274ed724fe9a9fdb", kill_on_drop: false }`
[INFO] [stdout] d89afca7060c799596fbaa2e240a7fd829c5f368ef5c294f274ed724fe9a9fdb
[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" "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] 14868577f9cd9a0e5284ed62c18d3cb283202d49fc3242bead525beeb6510105
[INFO] running `Command { std: "docker" "start" "-a" "14868577f9cd9a0e5284ed62c18d3cb283202d49fc3242bead525beeb6510105", kill_on_drop: false }`
[INFO] [stderr]    Compiling rec2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `Checker` should have a snake case name
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn Checker(_new_num:i8)->i8
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `checker`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` 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 0.39s
[INFO] running `Command { std: "docker" "inspect" "14868577f9cd9a0e5284ed62c18d3cb283202d49fc3242bead525beeb6510105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14868577f9cd9a0e5284ed62c18d3cb283202d49fc3242bead525beeb6510105", kill_on_drop: false }`
[INFO] [stdout] 14868577f9cd9a0e5284ed62c18d3cb283202d49fc3242bead525beeb6510105
[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" "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] f952e2d97e1bfbfb0bcb55d6768e45ef687fbe854d87faa29d06bdaec50ab9a7
[INFO] running `Command { std: "docker" "start" "-a" "f952e2d97e1bfbfb0bcb55d6768e45ef687fbe854d87faa29d06bdaec50ab9a7", kill_on_drop: false }`
[INFO] [stderr] warning: function `Checker` should have a snake case name
[INFO] [stderr]   --> src/main.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn Checker(_new_num:i8)->i8
[INFO] [stderr]    |        ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `checker`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rec2` (bin "rec2" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rec2-6470998c1301d6bb)
[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" "f952e2d97e1bfbfb0bcb55d6768e45ef687fbe854d87faa29d06bdaec50ab9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f952e2d97e1bfbfb0bcb55d6768e45ef687fbe854d87faa29d06bdaec50ab9a7", kill_on_drop: false }`
[INFO] [stdout] f952e2d97e1bfbfb0bcb55d6768e45ef687fbe854d87faa29d06bdaec50ab9a7