[INFO] cloning repository https://github.com/hongweipeng/learn_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hongweipeng/learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhongweipeng%2Flearn_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhongweipeng%2Flearn_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9ec95698cd4ba3fe244b7cf974ae7fd1261f1b46 [INFO] testing hongweipeng/learn_rust against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhongweipeng%2Flearn_rust" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hongweipeng/learn_rust on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hongweipeng/learn_rust [INFO] finished tweaking git repo https://github.com/hongweipeng/learn_rust [INFO] tweaked toml for git repo https://github.com/hongweipeng/learn_rust written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/hongweipeng/learn_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b74d3f9b6fec0bba84041c3383c454e6854db1354ff750605894fbe9b110a740 [INFO] running `Command { std: "docker" "start" "-a" "b74d3f9b6fec0bba84041c3383c454e6854db1354ff750605894fbe9b110a740", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b74d3f9b6fec0bba84041c3383c454e6854db1354ff750605894fbe9b110a740", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b74d3f9b6fec0bba84041c3383c454e6854db1354ff750605894fbe9b110a740", kill_on_drop: false }` [INFO] [stdout] b74d3f9b6fec0bba84041c3383c454e6854db1354ff750605894fbe9b110a740 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d57a5dac2c2aa191f33756f3f1d975a475a2dfa17b10e61270f7f0a96956c5ab [INFO] running `Command { std: "docker" "start" "-a" "d57a5dac2c2aa191f33756f3f1d975a475a2dfa17b10e61270f7f0a96956c5ab", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling learn_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.34s [INFO] running `Command { std: "docker" "inspect" "d57a5dac2c2aa191f33756f3f1d975a475a2dfa17b10e61270f7f0a96956c5ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d57a5dac2c2aa191f33756f3f1d975a475a2dfa17b10e61270f7f0a96956c5ab", kill_on_drop: false }` [INFO] [stdout] d57a5dac2c2aa191f33756f3f1d975a475a2dfa17b10e61270f7f0a96956c5ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 514215b1f1b71f0ce728835f48fe7b28dddd4012609bb12c19e5ab6830638ff2 [INFO] running `Command { std: "docker" "start" "-a" "514215b1f1b71f0ce728835f48fe7b28dddd4012609bb12c19e5ab6830638ff2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling learn_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ptr::eq` [INFO] [stdout] --> tests/test_builtin_data_type.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ptr::eq; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `inferred_type` is assigned to, but never used [INFO] [stdout] --> tests/test_var_declare.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let mut inferred_type = 12; // 根据下一行的赋值推断为 i64 类型 [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_inferred_type` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `inferred_type` is never read [INFO] [stdout] --> tests/test_var_declare.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | inferred_type = 4294967296i64; [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: unused variable: `logical` [INFO] [stdout] --> tests/test_var_declare.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let logical: bool = true; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_logical` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `an_integer` [INFO] [stdout] --> tests/test_var_declare.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let an_integer = 5i32; // 后缀说明 [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_an_integer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `mutable` is assigned to, but never used [INFO] [stdout] --> tests/test_var_declare.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | let mut mutable = 12; // Mutable `i32` [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_mutable` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mutable` is never read [INFO] [stdout] --> tests/test_var_declare.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | mutable = 21; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arr` [INFO] [stdout] --> tests/test_var_declare.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let arr = [3, 3, 3, 3]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `NUM` [INFO] [stdout] --> tests/test_var_declare.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | const NUM : i32 = 5; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static is never used: `NUM` [INFO] [stdout] --> tests/test_var_declare.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 63 | static NUM: i32 = 100; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PageUnload` [INFO] [stdout] --> tests/test_custom_struct.rs:163:20 [INFO] [stdout] | [INFO] [stdout] 163 | use WebEvent::{PageUnload, PageLoad}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> tests/test_builtin_data_type.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | let num = 18; // 会默认使用 i32 类型 [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> tests/test_builtin_data_type.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let num : i64 = 18; // 指定具体类型 [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> tests/test_builtin_data_type.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | let num = 18i64; // 除了 byte 类型外，所有字面值都允许使用类型后缀 [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> tests/test_builtin_data_type.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | let num = 0xff; // 0x 前缀十六进制 [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> tests/test_builtin_data_type.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let num = 0o77; // 0o 前缀八进制 [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> tests/test_builtin_data_type.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let num = 0b1111_0000; // 0b 二进制 [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `byte` [INFO] [stdout] --> tests/test_builtin_data_type.rs:65:9 [INFO] [stdout] | [INFO] [stdout] 65 | let byte = b'A'; // 字节，只能声明为 u8 类型 [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_byte` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `money` [INFO] [stdout] --> tests/test_builtin_data_type.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | let money = 2.0; // 默认使用 f64 [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_money` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ch` [INFO] [stdout] --> tests/test_builtin_data_type.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | let ch = 'z'; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ch` [INFO] [stdout] --> tests/test_builtin_data_type.rs:147:9 [INFO] [stdout] | [INFO] [stdout] 147 | let ch : char = '中'; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ch` [INFO] [stdout] --> tests/test_builtin_data_type.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | let ch : char = '\0'; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ch` [INFO] [stdout] --> tests/test_builtin_data_type.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | let ch : char = '\n'; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ch` [INFO] [stdout] --> tests/test_builtin_data_type.rs:150:9 [INFO] [stdout] | [INFO] [stdout] 150 | let ch : char = '😊'; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `empty` [INFO] [stdout] --> tests/test_builtin_data_type.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 160 | let empty = (); // 空元组 [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_empty` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tup` [INFO] [stdout] --> tests/test_builtin_data_type.rs:161:9 [INFO] [stdout] | [INFO] [stdout] 161 | let tup = (500, 6.4, true); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tup` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `too_long_tuple` [INFO] [stdout] --> tests/test_builtin_data_type.rs:187:9 [INFO] [stdout] | [INFO] [stdout] 187 | let too_long_tuple = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_too_long_tuple` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> tests/test_builtin_data_type.rs:203:9 [INFO] [stdout] | [INFO] [stdout] 203 | let a = [3; 5]; // 等价于 let a = [3, 3, 3, 3, 3]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `red` [INFO] [stdout] --> tests/test_str_format.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | red: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> tests/test_str_format.rs:66:14 [INFO] [stdout] | [INFO] [stdout] 66 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `green` [INFO] [stdout] --> tests/test_str_format.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | green: u8, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> tests/test_str_format.rs:66:14 [INFO] [stdout] | [INFO] [stdout] 66 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `blue` [INFO] [stdout] --> tests/test_str_format.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | blue: u8, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> tests/test_str_format.rs:66:14 [INFO] [stdout] | [INFO] [stdout] 66 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pressed` [INFO] [stdout] --> tests/test_custom_struct.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 157 | let pressed = WebOperations::KeyPress('x'); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pressed` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pressed` [INFO] [stdout] --> tests/test_custom_struct.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 164 | let pressed = PageLoad; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pressed` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Two` [INFO] [stdout] --> tests/test_custom_struct.rs:174:9 [INFO] [stdout] | [INFO] [stdout] 174 | Two, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Blue` [INFO] [stdout] --> tests/test_custom_struct.rs:181:9 [INFO] [stdout] | [INFO] [stdout] 181 | Blue = 0x0000ff, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.21s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/learn_rust-18bbacf53d3fa2d8) [INFO] [stderr] Executable tests/test_builtin_data_type.rs (/opt/rustwide/target/debug/deps/test_builtin_data_type-ab4fbc152b85a1da) [INFO] [stderr] Executable tests/test_custom_struct.rs (/opt/rustwide/target/debug/deps/test_custom_struct-78003522f21b7f87) [INFO] [stderr] Executable tests/test_str_format.rs (/opt/rustwide/target/debug/deps/test_str_format-cea46cce1f684028) [INFO] [stderr] Executable tests/test_var_declare.rs (/opt/rustwide/target/debug/deps/test_var_declare-6363413153c3c832) [INFO] running `Command { std: "docker" "inspect" "514215b1f1b71f0ce728835f48fe7b28dddd4012609bb12c19e5ab6830638ff2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "514215b1f1b71f0ce728835f48fe7b28dddd4012609bb12c19e5ab6830638ff2", kill_on_drop: false }` [INFO] [stdout] 514215b1f1b71f0ce728835f48fe7b28dddd4012609bb12c19e5ab6830638ff2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 57eca3e64e85b3e277360b78f3ee7c40d3e2f8fdd7e04e8da5e8168056b97242 [INFO] running `Command { std: "docker" "start" "-a" "57eca3e64e85b3e277360b78f3ee7c40d3e2f8fdd7e04e8da5e8168056b97242", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `red` [INFO] [stderr] --> tests/test_str_format.rs:68:9 [INFO] [stderr] | [INFO] [stderr] 68 | red: u8, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> tests/test_str_format.rs:66:14 [INFO] [stderr] | [INFO] [stderr] 66 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `green` [INFO] [stderr] --> tests/test_str_format.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | green: u8, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> tests/test_str_format.rs:66:14 [INFO] [stderr] | [INFO] [stderr] 66 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `blue` [INFO] [stderr] --> tests/test_str_format.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | blue: u8, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> tests/test_str_format.rs:66:14 [INFO] [stderr] | [INFO] [stderr] 66 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `learn_rust` (test "test_str_format") generated 3 warnings [INFO] [stderr] warning: unused import: `PageUnload` [INFO] [stderr] --> tests/test_custom_struct.rs:163:20 [INFO] [stderr] | [INFO] [stderr] 163 | use WebEvent::{PageUnload, PageLoad}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pressed` [INFO] [stderr] --> tests/test_custom_struct.rs:157:9 [INFO] [stderr] | [INFO] [stderr] 157 | let pressed = WebOperations::KeyPress('x'); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pressed` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pressed` [INFO] [stderr] --> tests/test_custom_struct.rs:164:9 [INFO] [stderr] | [INFO] [stderr] 164 | let pressed = PageLoad; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pressed` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Two` [INFO] [stderr] --> tests/test_custom_struct.rs:174:9 [INFO] [stderr] | [INFO] [stderr] 174 | Two, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Blue` [INFO] [stderr] --> tests/test_custom_struct.rs:181:9 [INFO] [stderr] | [INFO] [stderr] 181 | Blue = 0x0000ff, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `inferred_type` is assigned to, but never used [INFO] [stderr] --> tests/test_var_declare.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let mut inferred_type = 12; // 根据下一行的赋值推断为 i64 类型 [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_inferred_type` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `inferred_type` is never read [INFO] [stderr] --> tests/test_var_declare.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | inferred_type = 4294967296i64; [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: unused variable: `logical` [INFO] [stderr] --> tests/test_var_declare.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let logical: bool = true; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_logical` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `an_integer` [INFO] [stderr] --> tests/test_var_declare.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let an_integer = 5i32; // 后缀说明 [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_an_integer` [INFO] [stderr] [INFO] [stderr] warning: variable `mutable` is assigned to, but never used [INFO] [stderr] --> tests/test_var_declare.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | let mut mutable = 12; // Mutable `i32` [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_mutable` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `mutable` is never read [INFO] [stderr] --> tests/test_var_declare.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | mutable = 21; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `arr` [INFO] [stderr] --> tests/test_var_declare.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let arr = [3, 3, 3, 3]; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `NUM` [INFO] [stderr] --> tests/test_var_declare.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | const NUM : i32 = 5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static is never used: `NUM` [INFO] [stderr] --> tests/test_var_declare.rs:63:5 [INFO] [stderr] | [INFO] [stderr] 63 | static NUM: i32 = 100; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ptr::eq` [INFO] [stderr] --> tests/test_builtin_data_type.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ptr::eq; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> tests/test_builtin_data_type.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 59 | let num = 18; // 会默认使用 i32 类型 [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> tests/test_builtin_data_type.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | let num : i64 = 18; // 指定具体类型 [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> tests/test_builtin_data_type.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | let num = 18i64; // 除了 byte 类型外，所有字面值都允许使用类型后缀 [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> tests/test_builtin_data_type.rs:62:9 [INFO] [stderr] | [INFO] [stderr] 62 | let num = 0xff; // 0x 前缀十六进制 [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> tests/test_builtin_data_type.rs:63:9 [INFO] [stderr] | [INFO] [stderr] 63 | let num = 0o77; // 0o 前缀八进制 [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `num` [INFO] [stderr] --> tests/test_builtin_data_type.rs:64:9 [INFO] [stderr] | [INFO] [stderr] 64 | let num = 0b1111_0000; // 0b 二进制 [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `byte` [INFO] [stderr] --> tests/test_builtin_data_type.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | let byte = b'A'; // 字节，只能声明为 u8 类型 [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_byte` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `money` [INFO] [stderr] --> tests/test_builtin_data_type.rs:114:9 [INFO] [stderr] | [INFO] [stderr] 114 | let money = 2.0; // 默认使用 f64 [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_money` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> tests/test_builtin_data_type.rs:146:9 [INFO] [stderr] | [INFO] [stderr] 146 | let ch = 'z'; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> tests/test_builtin_data_type.rs:147:9 [INFO] [stderr] | [INFO] [stderr] 147 | let ch : char = '中'; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> tests/test_builtin_data_type.rs:148:9 [INFO] [stderr] | [INFO] [stderr] 148 | let ch : char = '\0'; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> tests/test_builtin_data_type.rs:149:9 [INFO] [stderr] | [INFO] [stderr] 149 | let ch : char = '\n'; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ch` [INFO] [stderr] --> tests/test_builtin_data_type.rs:150:9 [INFO] [stderr] | [INFO] [stderr] 150 | let ch : char = '😊'; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_ch` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `empty` [INFO] [stderr] --> tests/test_builtin_data_type.rs:160:9 [INFO] [stderr] | [INFO] [stderr] 160 | let empty = (); // 空元组 [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_empty` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tup` [INFO] [stderr] --> tests/test_builtin_data_type.rs:161:9 [INFO] [stderr] | [INFO] [stderr] 161 | let tup = (500, 6.4, true); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_tup` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `too_long_tuple` [INFO] [stderr] --> tests/test_builtin_data_type.rs:187:9 [INFO] [stderr] | [INFO] [stderr] 187 | let too_long_tuple = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_too_long_tuple` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> tests/test_builtin_data_type.rs:203:9 [INFO] [stderr] | [INFO] [stderr] 203 | let a = [3; 5]; // 等价于 let a = [3, 3, 3, 3, 3]; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: `learn_rust` (test "test_custom_struct") generated 5 warnings [INFO] [stderr] warning: `learn_rust` (test "test_var_declare") generated 9 warnings [INFO] [stderr] warning: `learn_rust` (test "test_builtin_data_type") generated 18 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.41s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learn_rust-18bbacf53d3fa2d8) [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] [stderr] Running tests/test_builtin_data_type.rs (/opt/rustwide/target/debug/deps/test_builtin_data_type-ab4fbc152b85a1da) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test test_bool_type ... ok [INFO] [stdout] test test_float_type ... ok [INFO] [stdout] test test_char_type ... ok [INFO] [stdout] test test_integer_compute ... ok [INFO] [stdout] test test_integer_type ... ok [INFO] [stdout] test test_list_type ... ok [INFO] [stdout] test test_tuple_type ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/test_custom_struct.rs (/opt/rustwide/target/debug/deps/test_custom_struct-78003522f21b7f87) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test_enum_alias ... ok [INFO] [stdout] test test_enum_c_style ... ok [INFO] [stdout] test test_enum_use ... ok [INFO] [stdout] test test_enum_use2 ... ok [INFO] [stdout] test test_struct_use ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/test_str_format.rs (/opt/rustwide/target/debug/deps/test_str_format-cea46cce1f684028) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test_str_format ... ok [INFO] [stdout] test test_struct_custom_format ... ok [INFO] [stdout] test test_struct_debug_format ... ok [INFO] [stdout] test test_pretty_print ... ok [INFO] [stdout] test test_struct_display_list_format ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/test_var_declare.rs (/opt/rustwide/target/debug/deps/test_var_declare-6363413153c3c832) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test_static_declare ... ok [INFO] [stdout] test test_const_declare ... ok [INFO] [stdout] test test_var_declare ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "57eca3e64e85b3e277360b78f3ee7c40d3e2f8fdd7e04e8da5e8168056b97242", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57eca3e64e85b3e277360b78f3ee7c40d3e2f8fdd7e04e8da5e8168056b97242", kill_on_drop: false }` [INFO] [stdout] 57eca3e64e85b3e277360b78f3ee7c40d3e2f8fdd7e04e8da5e8168056b97242