[INFO] cloning repository https://github.com/jinxuandallas/first_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jinxuandallas/first_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjinxuandallas%2Ffirst_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjinxuandallas%2Ffirst_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31bdfa02c5da51234ec9cc8262f838fbfe84bff1
[INFO] checking jinxuandallas/first_rust against try#4e55a504843955c97eb06907c71f6f3e99208021 for pr-146978
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjinxuandallas%2Ffirst_rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jinxuandallas/first_rust
[INFO] finished tweaking git repo https://github.com/jinxuandallas/first_rust
[INFO] tweaked toml for git repo https://github.com/jinxuandallas/first_rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jinxuandallas/first_rust on toolchain 4e55a504843955c97eb06907c71f6f3e99208021
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jinxuandallas/first_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fc56805b10d952d64ebb164b6ded222d57aa88a17f67f9050f0a021ef9493aa
[INFO] running `Command { std: "docker" "start" "-a" "7fc56805b10d952d64ebb164b6ded222d57aa88a17f67f9050f0a021ef9493aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fc56805b10d952d64ebb164b6ded222d57aa88a17f67f9050f0a021ef9493aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc56805b10d952d64ebb164b6ded222d57aa88a17f67f9050f0a021ef9493aa", kill_on_drop: false }`
[INFO] [stdout] 7fc56805b10d952d64ebb164b6ded222d57aa88a17f67f9050f0a021ef9493aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7a008c9d00bb0e05bd4d44282e7ac54557d709d76febff8477497438b886faf
[INFO] running `Command { std: "docker" "start" "-a" "c7a008c9d00bb0e05bd4d44282e7ac54557d709d76febff8477497438b886faf", kill_on_drop: false }`
[INFO] [stderr]     Checking first_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `first_rust::test2`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use first_rust::test2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `dog` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         dog=1,
[INFO] [stdout]    |         ^^^ help: convert the identifier to upper camel case: `Dog`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `cat` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         cat=200,
[INFO] [stdout]    |         ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `tiger` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         tiger,
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to upper camel case: `Tiger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `first_rust::test2`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use first_rust::test2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `dog` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         dog=1,
[INFO] [stdout]    |         ^^^ help: convert the identifier to upper camel case: `Dog`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `cat` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         cat=200,
[INFO] [stdout]    |         ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `tiger` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         tiger,
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to upper camel case: `Tiger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `dog` and `cat` are never constructed
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     enum Animal{
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 19 |         dog=1,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 20 |         cat=200,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "c7a008c9d00bb0e05bd4d44282e7ac54557d709d76febff8477497438b886faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a008c9d00bb0e05bd4d44282e7ac54557d709d76febff8477497438b886faf", kill_on_drop: false }`
[INFO] [stdout] c7a008c9d00bb0e05bd4d44282e7ac54557d709d76febff8477497438b886faf