[INFO] cloning repository https://github.com/NoNAMe-0x16/Rust_study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NoNAMe-0x16/Rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoNAMe-0x16%2FRust_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoNAMe-0x16%2FRust_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 049c30a5c66844f9cc19030b8c02ec1bc296df40
[INFO] testing NoNAMe-0x16/Rust_study against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoNAMe-0x16%2FRust_study" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NoNAMe-0x16/Rust_study on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NoNAMe-0x16/Rust_study
[INFO] finished tweaking git repo https://github.com/NoNAMe-0x16/Rust_study
[INFO] tweaked toml for git repo https://github.com/NoNAMe-0x16/Rust_study written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/NoNAMe-0x16/Rust_study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47176e94b7f1891a46415d0332d0baaf0c87f797acae97bf48863833a7a8d82b
[INFO] running `Command { std: "docker" "start" "-a" "47176e94b7f1891a46415d0332d0baaf0c87f797acae97bf48863833a7a8d82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47176e94b7f1891a46415d0332d0baaf0c87f797acae97bf48863833a7a8d82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47176e94b7f1891a46415d0332d0baaf0c87f797acae97bf48863833a7a8d82b", kill_on_drop: false }`
[INFO] [stdout] 47176e94b7f1891a46415d0332d0baaf0c87f797acae97bf48863833a7a8d82b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d64de693806c45dae109b2ede17237c5bfd86d352d3c164826d0bbf9fbd317c
[INFO] running `Command { std: "docker" "start" "-a" "2d64de693806c45dae109b2ede17237c5bfd86d352d3c164826d0bbf9fbd317c", kill_on_drop: false }`
[INFO] [stderr]    Compiling practice_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut N = String::new();
[INFO] [stdout]   |             ^ help: convert the identifier to snake case: `n`
[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 0.71s
[INFO] running `Command { std: "docker" "inspect" "2d64de693806c45dae109b2ede17237c5bfd86d352d3c164826d0bbf9fbd317c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d64de693806c45dae109b2ede17237c5bfd86d352d3c164826d0bbf9fbd317c", kill_on_drop: false }`
[INFO] [stdout] 2d64de693806c45dae109b2ede17237c5bfd86d352d3c164826d0bbf9fbd317c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f416a924d3865b7d6ceaf39f9926226c33b71decd3d84965d96b47e16156414
[INFO] running `Command { std: "docker" "start" "-a" "3f416a924d3865b7d6ceaf39f9926226c33b71decd3d84965d96b47e16156414", kill_on_drop: false }`
[INFO] [stderr]    Compiling practice_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut N = String::new();
[INFO] [stdout]   |             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f416a924d3865b7d6ceaf39f9926226c33b71decd3d84965d96b47e16156414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f416a924d3865b7d6ceaf39f9926226c33b71decd3d84965d96b47e16156414", kill_on_drop: false }`
[INFO] [stdout] 3f416a924d3865b7d6ceaf39f9926226c33b71decd3d84965d96b47e16156414
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 604501eee1c71a126a873faaecaa7c20f4c2f66b12d5148c6f073882b7ab4381
[INFO] running `Command { std: "docker" "start" "-a" "604501eee1c71a126a873faaecaa7c20f4c2f66b12d5148c6f073882b7ab4381", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:4:13
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 4 |     let mut N = String::new();
[INFO] [stdout] 
[INFO] [stderr]   |             ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/practice_rust-f21d00cedff70fb9)
[INFO] running `Command { std: "docker" "inspect" "604501eee1c71a126a873faaecaa7c20f4c2f66b12d5148c6f073882b7ab4381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "604501eee1c71a126a873faaecaa7c20f4c2f66b12d5148c6f073882b7ab4381", kill_on_drop: false }`
[INFO] [stdout] 604501eee1c71a126a873faaecaa7c20f4c2f66b12d5148c6f073882b7ab4381