[INFO] cloning repository https://github.com/chenjh2002/rust-base
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenjh2002/rust-base" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenjh2002%2Frust-base", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenjh2002%2Frust-base'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a159a39075e8cf45cc436ea378fcace7bad330fb
[INFO] checking chenjh2002/rust-base against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenjh2002%2Frust-base" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chenjh2002/rust-base
[INFO] finished tweaking git repo https://github.com/chenjh2002/rust-base
[INFO] tweaked toml for git repo https://github.com/chenjh2002/rust-base written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chenjh2002/rust-base on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chenjh2002/rust-base 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" "+52995a223f2919dd3e2e427231db90a257350ded" "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 rand_core v0.9.0-alpha.0
[INFO] [stderr]   Downloaded rand_chacha v0.9.0-alpha.0
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.0-alpha.5
[INFO] [stderr]   Downloaded rand v0.9.0-alpha.0
[INFO] [stderr]   Downloaded syn v2.0.50
[INFO] [stderr]   Downloaded zerocopy v0.8.0-alpha.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 81f94c71de9245bc7670ca4a757a45c2d1148e4dabced35d2c3621e2c2b5a52a
[INFO] running `Command { std: "docker" "start" "81f94c71de9245bc7670ca4a757a45c2d1148e4dabced35d2c3621e2c2b5a52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81f94c71de9245bc7670ca4a757a45c2d1148e4dabced35d2c3621e2c2b5a52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "81f94c71de9245bc7670ca4a757a45c2d1148e4dabced35d2c3621e2c2b5a52a" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81f94c71de9245bc7670ca4a757a45c2d1148e4dabced35d2c3621e2c2b5a52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "81f94c71de9245bc7670ca4a757a45c2d1148e4dabced35d2c3621e2c2b5a52a" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling zerocopy v0.8.0-alpha.5
[INFO] [stderr]     Checking lib v0.1.0 (/opt/rustwide/workdir/src/lib)
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.9.0-alpha.0
[INFO] [stderr]     Checking rand_chacha v0.9.0-alpha.0
[INFO] [stderr]     Checking rand v0.9.0-alpha.0
[INFO] [stderr]     Checking rust-practice-base-pingcap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 other=> panic!("Error type"),
[INFO] [stdout]    |                 ^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/lib.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 Appetizer::Salad => println!("Salad!"),
[INFO] [stdout]    |                 ---------------- matches some of the same values
[INFO] [stdout] 70 |                 Appetizer::Soup => println!("Soup!"),
[INFO] [stdout]    |                 --------------- matches some of the same values
[INFO] [stdout] 71 |                 other=> panic!("Error type"),
[INFO] [stdout]    |                 ^^^^^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/lib.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 other=> panic!("Error type"),
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> src/lib.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn deliver_order() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]   --> src/lib.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn fix_incorrect_order() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]   --> src/lib.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn cook_order() {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]   --> src/lib.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub struct Breakfast {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 48 |         pub toast: String,
[INFO] [stdout] 49 |         seasonal_fruit: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Appetizer` is never used
[INFO] [stdout]   --> src/lib.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub enum Appetizer {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `choice` is never used
[INFO] [stdout]   --> src/lib.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 66 |     impl Appetizer {
[INFO] [stdout]    |     -------------- associated function in this implementation
[INFO] [stdout] 67 |         pub fn choice(choice: &Appetizer) {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eat_at_restaurant` is never used
[INFO] [stdout]   --> src/lib.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn eat_at_restaurant() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 other=> panic!("Error type"),
[INFO] [stdout]    |                 ^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/lib.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 Appetizer::Salad => println!("Salad!"),
[INFO] [stdout]    |                 ---------------- matches some of the same values
[INFO] [stdout] 70 |                 Appetizer::Soup => println!("Soup!"),
[INFO] [stdout]    |                 --------------- matches some of the same values
[INFO] [stdout] 71 |                 other=> panic!("Error type"),
[INFO] [stdout]    |                 ^^^^^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/lib.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 other=> panic!("Error type"),
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> src/lib.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn deliver_order() {}
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]   --> src/lib.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn fix_incorrect_order() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]   --> src/lib.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn cook_order() {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]   --> src/lib.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub struct Breakfast {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 48 |         pub toast: String,
[INFO] [stdout] 49 |         seasonal_fruit: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Appetizer` is never used
[INFO] [stdout]   --> src/lib.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub enum Appetizer {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `choice` is never used
[INFO] [stdout]   --> src/lib.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 66 |     impl Appetizer {
[INFO] [stdout]    |     -------------- associated function in this implementation
[INFO] [stdout] 67 |         pub fn choice(choice: &Appetizer) {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eat_at_restaurant` is never used
[INFO] [stdout]   --> src/lib.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn eat_at_restaurant() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `greeting_file`
[INFO] [stdout]    --> src/main.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let greeting_file = match greeting_file_result {
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting_file`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `greeting_file`
[INFO] [stdout]    --> src/main.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let greeting_file = File::open("hello.txt").unwrap_or_else(|error| {
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `greeting_file`
[INFO] [stdout]    --> src/main.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let greeting_file = match greeting_file_result {
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting_file`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `greeting_file`
[INFO] [stdout]    --> src/main.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let greeting_file = File::open("hello.txt").unwrap_or_else(|error| {
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `rand`
[INFO] [stderr]  --> Cargo.toml:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | rand = "0.9.0-alpha.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `rand`
[INFO] [stderr] warning: `rust-practice-base-pingcap` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "81f94c71de9245bc7670ca4a757a45c2d1148e4dabced35d2c3621e2c2b5a52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f94c71de9245bc7670ca4a757a45c2d1148e4dabced35d2c3621e2c2b5a52a", kill_on_drop: false }`
[INFO] [stdout] 81f94c71de9245bc7670ca4a757a45c2d1148e4dabced35d2c3621e2c2b5a52a
