[INFO] fetching crate unit18 0.1.0... [INFO] testing unit18-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate unit18 0.1.0 into /workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate unit18 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6741da642accaee1561a7b12409f37e0332df5131bc2280d6f9949677e59092d [INFO] running `Command { std: "docker" "start" "-a" "6741da642accaee1561a7b12409f37e0332df5131bc2280d6f9949677e59092d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6741da642accaee1561a7b12409f37e0332df5131bc2280d6f9949677e59092d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6741da642accaee1561a7b12409f37e0332df5131bc2280d6f9949677e59092d", kill_on_drop: false }` [INFO] [stdout] 6741da642accaee1561a7b12409f37e0332df5131bc2280d6f9949677e59092d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7637dc52d0f48e4b4f6c2417b021c0998f448be8cba204e88cb6bf6d0a939b92 [INFO] running `Command { std: "docker" "start" "-a" "7637dc52d0f48e4b4f6c2417b021c0998f448be8cba204e88cb6bf6d0a939b92", 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 0.41s [INFO] running `Command { std: "docker" "inspect" "7637dc52d0f48e4b4f6c2417b021c0998f448be8cba204e88cb6bf6d0a939b92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7637dc52d0f48e4b4f6c2417b021c0998f448be8cba204e88cb6bf6d0a939b92", kill_on_drop: false }` [INFO] [stdout] 7637dc52d0f48e4b4f6c2417b021c0998f448be8cba204e88cb6bf6d0a939b92 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b16d07f1c0b6c2e491c5a3f9c666da753eb3c2bb1c3c074a705ee6ebdcea6b7 [INFO] running `Command { std: "docker" "start" "-a" "9b16d07f1c0b6c2e491c5a3f9c666da753eb3c2bb1c3c074a705ee6ebdcea6b7", 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 0.49s [INFO] running `Command { std: "docker" "inspect" "9b16d07f1c0b6c2e491c5a3f9c666da753eb3c2bb1c3c074a705ee6ebdcea6b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b16d07f1c0b6c2e491c5a3f9c666da753eb3c2bb1c3c074a705ee6ebdcea6b7", kill_on_drop: false }` [INFO] [stdout] 9b16d07f1c0b6c2e491c5a3f9c666da753eb3c2bb1c3c074a705ee6ebdcea6b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1b8c83bf0d69b9ecd6e0c1209d248715a805a7dc2274fd3a8169637124338551 [INFO] running `Command { std: "docker" "start" "-a" "1b8c83bf0d69b9ecd6e0c1209d248715a805a7dc2274fd3a8169637124338551", 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 [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" "1b8c83bf0d69b9ecd6e0c1209d248715a805a7dc2274fd3a8169637124338551", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b8c83bf0d69b9ecd6e0c1209d248715a805a7dc2274fd3a8169637124338551", kill_on_drop: false }` [INFO] [stdout] 1b8c83bf0d69b9ecd6e0c1209d248715a805a7dc2274fd3a8169637124338551