[INFO] cloning repository https://github.com/YoshikazuHosono/rust_sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YoshikazuHosono/rust_sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoshikazuHosono%2Frust_sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoshikazuHosono%2Frust_sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05e13b71926b523153b967666181f7129ba0f330
[INFO] testing YoshikazuHosono/rust_sandbox against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoshikazuHosono%2Frust_sandbox" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YoshikazuHosono/rust_sandbox on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YoshikazuHosono/rust_sandbox
[INFO] finished tweaking git repo https://github.com/YoshikazuHosono/rust_sandbox
[INFO] tweaked toml for git repo https://github.com/YoshikazuHosono/rust_sandbox written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/YoshikazuHosono/rust_sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 796c8b627296f0796574ea0b6919c75db2dbf7593d72c5f33f6dedeed1c808ad
[INFO] running `Command { std: "docker" "start" "-a" "796c8b627296f0796574ea0b6919c75db2dbf7593d72c5f33f6dedeed1c808ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "796c8b627296f0796574ea0b6919c75db2dbf7593d72c5f33f6dedeed1c808ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "796c8b627296f0796574ea0b6919c75db2dbf7593d72c5f33f6dedeed1c808ad", kill_on_drop: false }`
[INFO] [stdout] 796c8b627296f0796574ea0b6919c75db2dbf7593d72c5f33f6dedeed1c808ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cb4aaaa25741521d41313c278eb6d2ef4b3ebcb5bcb1698d446035bb2833002
[INFO] running `Command { std: "docker" "start" "-a" "6cb4aaaa25741521d41313c278eb6d2ef4b3ebcb5bcb1698d446035bb2833002", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::Chars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Fire` is named the same as one of the variants of the type `Skill`
[INFO] [stdout]    --> src/main.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stdout]     |         ^^^^ help: to match on the variant, qualify the path: `Skill::Fire`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Ice` is named the same as one of the variants of the type `Skill`
[INFO] [stdout]    --> src/main.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         Ice => println!("hosono use Ice!!!"),
[INFO] [stdout]     |         ^^^ help: to match on the variant, qualify the path: `Skill::Ice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Thunder` is named the same as one of the variants of the type `Skill`
[INFO] [stdout]    --> src/main.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         Thunder => println!("hosono use Thunder!!!"),
[INFO] [stdout]     |         ^^^^^^^ help: to match on the variant, qualify the path: `Skill::Thunder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Dark` is named the same as one of the variants of the type `Skill`
[INFO] [stdout]    --> src/main.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         Dark => println!("hosono use Dark!!!"),
[INFO] [stdout]     |         ^^^^ help: to match on the variant, qualify the path: `Skill::Dark`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stdout]     |         ---- matches any value
[INFO] [stdout] 238 |         Ice => println!("hosono use Ice!!!"),
[INFO] [stdout]     |         ^^^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stdout]     |         ---- matches any value
[INFO] [stdout] 238 |         Ice => println!("hosono use Ice!!!"),
[INFO] [stdout] 239 |         Thunder => println!("hosono use Thunder!!!"),
[INFO] [stdout]     |         ^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stdout]     |         ---- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 240 |         Dark => println!("hosono use Dark!!!"),
[INFO] [stdout]     |         ^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Fire`
[INFO] [stdout]    --> src/main.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Fire`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Ice`
[INFO] [stdout]    --> src/main.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         Ice => println!("hosono use Ice!!!"),
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_Ice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Thunder`
[INFO] [stdout]    --> src/main.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         Thunder => println!("hosono use Thunder!!!"),
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Thunder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Dark`
[INFO] [stdout]    --> src/main.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         Dark => println!("hosono use Dark!!!"),
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Dark`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i32box`
[INFO] [stdout]    --> src/main.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let i32box = MyBox::<i32> { item: 30i32 };
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_i32box`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `suiron`
[INFO] [stdout]    --> src/main.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |     let suiron = MyBox { item: 3.14 };
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_suiron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nest`
[INFO] [stdout]    --> src/main.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |     let nest = MyBox {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_nest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `str3` is never read
[INFO] [stdout]    --> src/main.rs:316:13
[INFO] [stdout]     |
[INFO] [stdout] 316 |     let mut str3 = "mutable string point";
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Fire` should have a snake case name
[INFO] [stdout]    --> src/main.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case (notice the capitalization): `fire`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Ice` should have a snake case name
[INFO] [stdout]    --> src/main.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         Ice => println!("hosono use Ice!!!"),
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case (notice the capitalization): `ice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Thunder` should have a snake case name
[INFO] [stdout]    --> src/main.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         Thunder => println!("hosono use Thunder!!!"),
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to snake case: `thunder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Dark` should have a snake case name
[INFO] [stdout]    --> src/main.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         Dark => println!("hosono use Dark!!!"),
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `dark`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "6cb4aaaa25741521d41313c278eb6d2ef4b3ebcb5bcb1698d446035bb2833002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb4aaaa25741521d41313c278eb6d2ef4b3ebcb5bcb1698d446035bb2833002", kill_on_drop: false }`
[INFO] [stdout] 6cb4aaaa25741521d41313c278eb6d2ef4b3ebcb5bcb1698d446035bb2833002
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8627c60de3e74e62750eb0d9f8a7908a21eee784a171a2e7a0ef6667795a7e9
[INFO] running `Command { std: "docker" "start" "-a" "a8627c60de3e74e62750eb0d9f8a7908a21eee784a171a2e7a0ef6667795a7e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::Chars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Fire` is named the same as one of the variants of the type `Skill`
[INFO] [stdout]    --> src/main.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stdout]     |         ^^^^ help: to match on the variant, qualify the path: `Skill::Fire`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Ice` is named the same as one of the variants of the type `Skill`
[INFO] [stdout]    --> src/main.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         Ice => println!("hosono use Ice!!!"),
[INFO] [stdout]     |         ^^^ help: to match on the variant, qualify the path: `Skill::Ice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Thunder` is named the same as one of the variants of the type `Skill`
[INFO] [stdout]    --> src/main.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         Thunder => println!("hosono use Thunder!!!"),
[INFO] [stdout]     |         ^^^^^^^ help: to match on the variant, qualify the path: `Skill::Thunder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `Dark` is named the same as one of the variants of the type `Skill`
[INFO] [stdout]    --> src/main.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         Dark => println!("hosono use Dark!!!"),
[INFO] [stdout]     |         ^^^^ help: to match on the variant, qualify the path: `Skill::Dark`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stdout]     |         ---- matches any value
[INFO] [stdout] 238 |         Ice => println!("hosono use Ice!!!"),
[INFO] [stdout]     |         ^^^ unreachable pattern
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stdout]     |         ---- matches any value
[INFO] [stdout] 238 |         Ice => println!("hosono use Ice!!!"),
[INFO] [stdout] 239 |         Thunder => println!("hosono use Thunder!!!"),
[INFO] [stdout]     |         ^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stdout]     |         ---- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 240 |         Dark => println!("hosono use Dark!!!"),
[INFO] [stdout]     |         ^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Fire`
[INFO] [stdout]    --> src/main.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Fire`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Ice`
[INFO] [stdout]    --> src/main.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         Ice => println!("hosono use Ice!!!"),
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_Ice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Thunder`
[INFO] [stdout]    --> src/main.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         Thunder => println!("hosono use Thunder!!!"),
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Thunder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Dark`
[INFO] [stdout]    --> src/main.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         Dark => println!("hosono use Dark!!!"),
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Dark`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i32box`
[INFO] [stdout]    --> src/main.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let i32box = MyBox::<i32> { item: 30i32 };
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_i32box`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `suiron`
[INFO] [stdout]    --> src/main.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |     let suiron = MyBox { item: 3.14 };
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_suiron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nest`
[INFO] [stdout]    --> src/main.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |     let nest = MyBox {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_nest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `str3` is never read
[INFO] [stdout]    --> src/main.rs:316:13
[INFO] [stdout]     |
[INFO] [stdout] 316 |     let mut str3 = "mutable string point";
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Fire` should have a snake case name
[INFO] [stdout]    --> src/main.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case (notice the capitalization): `fire`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Ice` should have a snake case name
[INFO] [stdout]    --> src/main.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |         Ice => println!("hosono use Ice!!!"),
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case (notice the capitalization): `ice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Thunder` should have a snake case name
[INFO] [stdout]    --> src/main.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         Thunder => println!("hosono use Thunder!!!"),
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to snake case: `thunder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Dark` should have a snake case name
[INFO] [stdout]    --> src/main.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         Dark => println!("hosono use Dark!!!"),
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `dark`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "a8627c60de3e74e62750eb0d9f8a7908a21eee784a171a2e7a0ef6667795a7e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8627c60de3e74e62750eb0d9f8a7908a21eee784a171a2e7a0ef6667795a7e9", kill_on_drop: false }`
[INFO] [stdout] a8627c60de3e74e62750eb0d9f8a7908a21eee784a171a2e7a0ef6667795a7e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0927f6c892f818950ee6ed6bc408386cc384cbaa3e48931257249a81f57b95a8
[INFO] running `Command { std: "docker" "start" "-a" "0927f6c892f818950ee6ed6bc408386cc384cbaa3e48931257249a81f57b95a8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::str::Chars`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::str::Chars;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Fire` is named the same as one of the variants of the type `Skill`
[INFO] [stderr]    --> src/main.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stderr]     |         ^^^^ help: to match on the variant, qualify the path: `Skill::Fire`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Ice` is named the same as one of the variants of the type `Skill`
[INFO] [stderr]    --> src/main.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |         Ice => println!("hosono use Ice!!!"),
[INFO] [stderr]     |         ^^^ help: to match on the variant, qualify the path: `Skill::Ice`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Thunder` is named the same as one of the variants of the type `Skill`
[INFO] [stderr]    --> src/main.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |         Thunder => println!("hosono use Thunder!!!"),
[INFO] [stderr]     |         ^^^^^^^ help: to match on the variant, qualify the path: `Skill::Thunder`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `Dark` is named the same as one of the variants of the type `Skill`
[INFO] [stderr]    --> src/main.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         Dark => println!("hosono use Dark!!!"),
[INFO] [stderr]     |         ^^^^ help: to match on the variant, qualify the path: `Skill::Dark`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stderr]     |         ---- matches any value
[INFO] [stderr] 238 |         Ice => println!("hosono use Ice!!!"),
[INFO] [stderr]     |         ^^^ unreachable pattern
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stderr]     |         ---- matches any value
[INFO] [stderr] 238 |         Ice => println!("hosono use Ice!!!"),
[INFO] [stderr] 239 |         Thunder => println!("hosono use Thunder!!!"),
[INFO] [stderr]     |         ^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stderr]     |         ---- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 240 |         Dark => println!("hosono use Dark!!!"),
[INFO] [stderr]     |         ^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Fire`
[INFO] [stderr]    --> src/main.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Fire`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `Ice`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/main.rs:238:9
[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] 238 |         Ice => println!("hosono use Ice!!!"),
[INFO] [stdout] 
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_Ice`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Thunder`
[INFO] [stderr]    --> src/main.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |         Thunder => println!("hosono use Thunder!!!"),
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Thunder`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Dark`
[INFO] [stderr]    --> src/main.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         Dark => println!("hosono use Dark!!!"),
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_Dark`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i32box`
[INFO] [stderr]    --> src/main.rs:244:9
[INFO] [stderr]     |
[INFO] [stderr] 244 |     let i32box = MyBox::<i32> { item: 30i32 };
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_i32box`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `suiron`
[INFO] [stderr]    --> src/main.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |     let suiron = MyBox { item: 3.14 };
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_suiron`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nest`
[INFO] [stderr]    --> src/main.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |     let nest = MyBox {
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_nest`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `str3` is never read
[INFO] [stderr]    --> src/main.rs:316:13
[INFO] [stderr]     |
[INFO] [stderr] 316 |     let mut str3 = "mutable string point";
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Fire` should have a snake case name
[INFO] [stderr]    --> src/main.rs:237:9
[INFO] [stderr]     |
[INFO] [stderr] 237 |         Fire => println!("hosono use Fire!!!"),
[INFO] [stderr]     |         ^^^^ help: convert the identifier to snake case (notice the capitalization): `fire`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Ice` should have a snake case name
[INFO] [stderr]    --> src/main.rs:238:9
[INFO] [stderr]     |
[INFO] [stderr] 238 |         Ice => println!("hosono use Ice!!!"),
[INFO] [stderr]     |         ^^^ help: convert the identifier to snake case (notice the capitalization): `ice`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Thunder` should have a snake case name
[INFO] [stderr]    --> src/main.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |         Thunder => println!("hosono use Thunder!!!"),
[INFO] [stderr]     |         ^^^^^^^ help: convert the identifier to snake case: `thunder`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Dark` should have a snake case name
[INFO] [stderr]    --> src/main.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         Dark => println!("hosono use Dark!!!"),
[INFO] [stderr]     |         ^^^^ help: convert the identifier to snake case: `dark`
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0170`.
[INFO] [stderr] warning: `rust_sandbox` (bin "rust_sandbox" test) generated 20 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_sandbox-29f38600240a884a)
[INFO] running `Command { std: "docker" "inspect" "0927f6c892f818950ee6ed6bc408386cc384cbaa3e48931257249a81f57b95a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0927f6c892f818950ee6ed6bc408386cc384cbaa3e48931257249a81f57b95a8", kill_on_drop: false }`
[INFO] [stdout] 0927f6c892f818950ee6ed6bc408386cc384cbaa3e48931257249a81f57b95a8