[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] checking syed-ghufran-hassan/even_odd_add_sub against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[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-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/syed-ghufran-hassan/even_odd_add_sub on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-104/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_io v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a34386121e2dd9dbd6cb8c0023ab8e4a19bb9941294c0b0bf746073e099e5956
[INFO] running `Command { std: "docker" "start" "-a" "a34386121e2dd9dbd6cb8c0023ab8e4a19bb9941294c0b0bf746073e099e5956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a34386121e2dd9dbd6cb8c0023ab8e4a19bb9941294c0b0bf746073e099e5956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a34386121e2dd9dbd6cb8c0023ab8e4a19bb9941294c0b0bf746073e099e5956", kill_on_drop: false }`
[INFO] [stdout] a34386121e2dd9dbd6cb8c0023ab8e4a19bb9941294c0b0bf746073e099e5956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=forbid" "-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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c2be2ba44d126a1d83e0e518d4be74196f1fca9df4153894d835ca7f264c6d4
[INFO] running `Command { std: "docker" "start" "-a" "4c2be2ba44d126a1d83e0e518d4be74196f1fca9df4153894d835ca7f264c6d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking text_io v0.1.7
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "4c2be2ba44d126a1d83e0e518d4be74196f1fca9df4153894d835ca7f264c6d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2be2ba44d126a1d83e0e518d4be74196f1fca9df4153894d835ca7f264c6d4", kill_on_drop: false }`
[INFO] [stdout] 4c2be2ba44d126a1d83e0e518d4be74196f1fca9df4153894d835ca7f264c6d4