[INFO] fetching crate unit18 0.1.0...
[INFO] testing unit18-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate unit18 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate unit18 0.1.0
[INFO] finished tweaking crates.io crate unit18 0.1.0
[INFO] tweaked toml for crates.io crate unit18 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unit18 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate unit18 0.1.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ff7ee5c50ca3dc9c4867555ddef722753d4bfeeab3ad95be08abadc34f56b76
[INFO] running `Command { std: "docker" "start" "-a" "7ff7ee5c50ca3dc9c4867555ddef722753d4bfeeab3ad95be08abadc34f56b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ff7ee5c50ca3dc9c4867555ddef722753d4bfeeab3ad95be08abadc34f56b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff7ee5c50ca3dc9c4867555ddef722753d4bfeeab3ad95be08abadc34f56b76", kill_on_drop: false }`
[INFO] [stdout] 7ff7ee5c50ca3dc9c4867555ddef722753d4bfeeab3ad95be08abadc34f56b76
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c1ba5e23396e17691512b4e8a98e65c4cd28659bb9d2bb7230b3aec03c7caff
[INFO] running `Command { std: "docker" "start" "-a" "4c1ba5e23396e17691512b4e8a98e65c4cd28659bb9d2bb7230b3aec03c7caff", kill_on_drop: false }`
[INFO] [stderr]    Compiling unit18 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         -1.. => {}// 使用区间将一定范围的分支组合在一个分支，此处忽略右边的区间分支。
[INFO] [stdout]    |         ---- matches all the relevant values
[INFO] [stdout] 32 |         1 | 2 if flag => {}// 可以使用 | 将多个分支组合在一个分支。
[INFO] [stdout]    |         ^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         -1.. => {}// 使用区间将一定范围的分支组合在一个分支，此处忽略右边的区间分支。
[INFO] [stdout]    |         ---- matches all the relevant values
[INFO] [stdout] 32 |         1 | 2 if flag => {}// 可以使用 | 将多个分支组合在一个分支。
[INFO] [stdout] 33 |         3..=4 => {}// 使用区间将一定范围的分支组合在一个分支。
[INFO] [stdout]    |         ^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         _ => {}
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         -1.. => {}// 使用区间将一定范围的分支组合在一个分支，此处忽略右边的区间分支。
[INFO] [stdout]    |         ---- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 34 |         ..=5 => {}// 使用区间将一定范围的分支组合在一个分支，此处忽略左边的区间分支。
[INFO] [stdout]    |         ---- matches some of the same values
[INFO] [stdout] 35 |         _ => {}
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 |         (a, _, c, _, e) => {}// 对于多个元祖的值，也可以像这样忽略部分，只使用部分，或者全忽略。
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:69:16
[INFO] [stdout]    |
[INFO] [stdout] 69 |         (a, _, c, _, e) => {}// 对于多个元祖的值，也可以像这样忽略部分，只使用部分，或者全忽略。
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 |         (a, _, c, _, e) => {}// 对于多个元祖的值，也可以像这样忽略部分，只使用部分，或者全忽略。
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:73:10
[INFO] [stdout]    |
[INFO] [stdout] 73 |         (a, ..) => {}// 使用..来忽略除开头任意数量的值，对结构体也是一样的用法。
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:77:10
[INFO] [stdout]    |
[INFO] [stdout] 77 |         (a, b, ..) => {}// 使用..来忽略除开头任意数量的值，对结构体也是一样的用法。
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         (a, b, ..) => {}// 使用..来忽略除开头任意数量的值，对结构体也是一样的用法。
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:81:14
[INFO] [stdout]    |
[INFO] [stdout] 81 |         (.., e) => {}// 使用..来忽略除末尾任意数量的值，对结构体也是一样的用法。
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/main.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 85 |         (.., d, e) => {}// 使用..来忽略除末尾任意数量的值，对结构体也是一样的用法。
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |         (.., d, e) => {}// 使用..来忽略除末尾任意数量的值，对结构体也是一样的用法。
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:89:10
[INFO] [stdout]    |
[INFO] [stdout] 89 |         (a, .., e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |         (a, .., e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:93:10
[INFO] [stdout]    |
[INFO] [stdout] 93 |         (a, b, .., d, e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |         (a, b, .., d, e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/main.rs:93:20
[INFO] [stdout]    |
[INFO] [stdout] 93 |         (a, b, .., d, e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:93:23
[INFO] [stdout]    |
[INFO] [stdout] 93 |         (a, b, .., d, e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `foo` is never used
[INFO] [stdout]   --> src/main.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn foo(_: i32, numbers: (i32, i32, i32, i32, i32)) {
[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 0.34s
[INFO] running `Command { std: "docker" "inspect" "4c1ba5e23396e17691512b4e8a98e65c4cd28659bb9d2bb7230b3aec03c7caff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1ba5e23396e17691512b4e8a98e65c4cd28659bb9d2bb7230b3aec03c7caff", kill_on_drop: false }`
[INFO] [stdout] 4c1ba5e23396e17691512b4e8a98e65c4cd28659bb9d2bb7230b3aec03c7caff
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c7351a07097f6e8c644138c74289a99d51182c037743f75920c4222e9b015f4
[INFO] running `Command { std: "docker" "start" "-a" "9c7351a07097f6e8c644138c74289a99d51182c037743f75920c4222e9b015f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling unit18 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         -1.. => {}// 使用区间将一定范围的分支组合在一个分支，此处忽略右边的区间分支。
[INFO] [stdout]    |         ---- matches all the relevant values
[INFO] [stdout] 32 |         1 | 2 if flag => {}// 可以使用 | 将多个分支组合在一个分支。
[INFO] [stdout]    |         ^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         -1.. => {}// 使用区间将一定范围的分支组合在一个分支，此处忽略右边的区间分支。
[INFO] [stdout]    |         ---- matches all the relevant values
[INFO] [stdout] 32 |         1 | 2 if flag => {}// 可以使用 | 将多个分支组合在一个分支。
[INFO] [stdout] 33 |         3..=4 => {}// 使用区间将一定范围的分支组合在一个分支。
[INFO] [stdout]    |         ^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         _ => {}
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         -1.. => {}// 使用区间将一定范围的分支组合在一个分支，此处忽略右边的区间分支。
[INFO] [stdout]    |         ---- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 34 |         ..=5 => {}// 使用区间将一定范围的分支组合在一个分支，此处忽略左边的区间分支。
[INFO] [stdout]    |         ---- matches some of the same values
[INFO] [stdout] 35 |         _ => {}
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 |         (a, _, c, _, e) => {}// 对于多个元祖的值，也可以像这样忽略部分，只使用部分，或者全忽略。
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:69:16
[INFO] [stdout]    |
[INFO] [stdout] 69 |         (a, _, c, _, e) => {}// 对于多个元祖的值，也可以像这样忽略部分，只使用部分，或者全忽略。
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 |         (a, _, c, _, e) => {}// 对于多个元祖的值，也可以像这样忽略部分，只使用部分，或者全忽略。
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:73:10
[INFO] [stdout]    |
[INFO] [stdout] 73 |         (a, ..) => {}// 使用..来忽略除开头任意数量的值，对结构体也是一样的用法。
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:77:10
[INFO] [stdout]    |
[INFO] [stdout] 77 |         (a, b, ..) => {}// 使用..来忽略除开头任意数量的值，对结构体也是一样的用法。
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         (a, b, ..) => {}// 使用..来忽略除开头任意数量的值，对结构体也是一样的用法。
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:81:14
[INFO] [stdout]    |
[INFO] [stdout] 81 |         (.., e) => {}// 使用..来忽略除末尾任意数量的值，对结构体也是一样的用法。
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/main.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 85 |         (.., d, e) => {}// 使用..来忽略除末尾任意数量的值，对结构体也是一样的用法。
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |         (.., d, e) => {}// 使用..来忽略除末尾任意数量的值，对结构体也是一样的用法。
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:89:10
[INFO] [stdout]    |
[INFO] [stdout] 89 |         (a, .., e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |         (a, .., e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:93:10
[INFO] [stdout]    |
[INFO] [stdout] 93 |         (a, b, .., d, e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:93:13
[INFO] [stdout]    |
[INFO] [stdout] 93 |         (a, b, .., d, e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/main.rs:93:20
[INFO] [stdout]    |
[INFO] [stdout] 93 |         (a, b, .., d, e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:93:23
[INFO] [stdout]    |
[INFO] [stdout] 93 |         (a, b, .., d, e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `foo` is never used
[INFO] [stdout]   --> src/main.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn foo(_: i32, numbers: (i32, i32, i32, i32, i32)) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "9c7351a07097f6e8c644138c74289a99d51182c037743f75920c4222e9b015f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c7351a07097f6e8c644138c74289a99d51182c037743f75920c4222e9b015f4", kill_on_drop: false }`
[INFO] [stdout] 9c7351a07097f6e8c644138c74289a99d51182c037743f75920c4222e9b015f4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14b21e0b028f6f9561d2e8be57877aac88080192d6aa30e4331a71f89546f5c6
[INFO] running `Command { std: "docker" "start" "-a" "14b21e0b028f6f9561d2e8be57877aac88080192d6aa30e4331a71f89546f5c6", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         -1.. => {}// 使用区间将一定范围的分支组合在一个分支，此处忽略右边的区间分支。
[INFO] [stderr]    |         ---- matches all the relevant values
[INFO] [stderr] 32 |         1 | 2 if flag => {}// 可以使用 | 将多个分支组合在一个分支。
[INFO] [stderr]    |         ^^^^^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         -1.. => {}// 使用区间将一定范围的分支组合在一个分支，此处忽略右边的区间分支。
[INFO] [stderr]    |         ---- matches all the relevant values
[INFO] [stderr] 32 |         1 | 2 if flag => {}// 可以使用 | 将多个分支组合在一个分支。
[INFO] [stderr] 33 |         3..=4 => {}// 使用区间将一定范围的分支组合在一个分支。
[INFO] [stderr]    |         ^^^^^ no value can reach this
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         _ => {}
[INFO] [stderr]    |         ^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         -1.. => {}// 使用区间将一定范围的分支组合在一个分支，此处忽略右边的区间分支。
[INFO] [stderr]    |         ---- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 34 |         ..=5 => {}// 使用区间将一定范围的分支组合在一个分支，此处忽略左边的区间分支。
[INFO] [stderr]    |         ---- matches some of the same values
[INFO] [stderr] 35 |         _ => {}
[INFO] [stderr]    |         ^ collectively making this unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:69:10
[INFO] [stderr]    |
[INFO] [stderr] 69 |         (a, _, c, _, e) => {}// 对于多个元祖的值，也可以像这样忽略部分，只使用部分，或者全忽略。
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:69:16
[INFO] [stderr]    |
[INFO] [stderr] 69 |         (a, _, c, _, e) => {}// 对于多个元祖的值，也可以像这样忽略部分，只使用部分，或者全忽略。
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:69:22
[INFO] [stderr]    |
[INFO] [stderr] 69 |         (a, _, c, _, e) => {}// 对于多个元祖的值，也可以像这样忽略部分，只使用部分，或者全忽略。
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:73:10
[INFO] [stderr]    |
[INFO] [stderr] 73 |         (a, ..) => {}// 使用..来忽略除开头任意数量的值，对结构体也是一样的用法。
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:77:10
[INFO] [stderr]    |
[INFO] [stderr] 77 |         (a, b, ..) => {}// 使用..来忽略除开头任意数量的值，对结构体也是一样的用法。
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/main.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |         (a, b, ..) => {}// 使用..来忽略除开头任意数量的值，对结构体也是一样的用法。
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:81:14
[INFO] [stderr]    |
[INFO] [stderr] 81 |         (.., e) => {}// 使用..来忽略除末尾任意数量的值，对结构体也是一样的用法。
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> src/main.rs:85:14
[INFO] [stderr]    |
[INFO] [stderr] 85 |         (.., d, e) => {}// 使用..来忽略除末尾任意数量的值，对结构体也是一样的用法。
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |         (.., d, e) => {}// 使用..来忽略除末尾任意数量的值，对结构体也是一样的用法。
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:89:10
[INFO] [stderr]    |
[INFO] [stderr] 89 |         (a, .., e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |         (a, .., e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:93:10
[INFO] [stderr]    |
[INFO] [stderr] 93 |         (a, b, .., d, e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/main.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |         (a, b, .., d, e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> src/main.rs:93:20
[INFO] [stderr]    |
[INFO] [stderr] 93 |         (a, b, .., d, e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stderr]    |                    ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:93:23
[INFO] [stderr]    |
[INFO] [stderr] 93 |         (a, b, .., d, e) => {}// 使用..来忽略中间任意部分的值，对结构体也是一样的用法。
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: function `foo` is never used
[INFO] [stderr]   --> src/main.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn foo(_: i32, numbers: (i32, i32, i32, i32, i32)) {
[INFO] [stderr]    |    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `unit18` (bin "unit18" test) generated 19 warnings (run `cargo fix --bin "unit18" -p unit18 --tests` to apply 15 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/unit18-4677b7a01a1645ed)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "14b21e0b028f6f9561d2e8be57877aac88080192d6aa30e4331a71f89546f5c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b21e0b028f6f9561d2e8be57877aac88080192d6aa30e4331a71f89546f5c6", kill_on_drop: false }`
[INFO] [stdout] 14b21e0b028f6f9561d2e8be57877aac88080192d6aa30e4331a71f89546f5c6