[INFO] cloning repository https://github.com/Xiejinhua123/rust-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xiejinhua123/rust-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiejinhua123%2Frust-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiejinhua123%2Frust-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11d52583f79bb9e8b39edb8f24a2dc80ee249e16 [INFO] checking Xiejinhua123/rust-demo against master#43d9f3859e0204e764161ee085a360274b5f3e9a for pr-97346 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiejinhua123%2Frust-demo" "/workspace/builds/worker-16/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Xiejinhua123/rust-demo on toolchain 43d9f3859e0204e764161ee085a360274b5f3e9a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Xiejinhua123/rust-demo [INFO] finished tweaking git repo https://github.com/Xiejinhua123/rust-demo [INFO] tweaked toml for git repo https://github.com/Xiejinhua123/rust-demo written to /workspace/builds/worker-16/source/Cargo.toml [INFO] crate git repo https://github.com/Xiejinhua123/rust-demo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.systemstat [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lexical v5.2.1 [INFO] [stderr] Downloaded rust_decimal v1.10.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8a2282ebcb6874a7118c0dba39cea1862a162e47d3c69066c3c28b4603056d0d [INFO] running `Command { std: "docker" "start" "-a" "8a2282ebcb6874a7118c0dba39cea1862a162e47d3c69066c3c28b4603056d0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a2282ebcb6874a7118c0dba39cea1862a162e47d3c69066c3c28b4603056d0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a2282ebcb6874a7118c0dba39cea1862a162e47d3c69066c3c28b4603056d0d", kill_on_drop: false }` [INFO] [stdout] 8a2282ebcb6874a7118c0dba39cea1862a162e47d3c69066c3c28b4603056d0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9836eb312d9ba8ccfd61b3d34c83e419acc9c0cfba416ec12d0378521281708 [INFO] running `Command { std: "docker" "start" "-a" "d9836eb312d9ba8ccfd61b3d34c83e419acc9c0cfba416ec12d0378521281708", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: package.systemstat [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.65 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking futures-core v0.3.13 [INFO] [stderr] Checking futures-sink v0.3.13 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Checking ahash v0.4.7 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking futures-task v0.3.13 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling lexical-core v0.7.5 [INFO] [stderr] Compiling openssl v0.10.33 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking futures-io v0.3.13 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling const_fn v0.4.6 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Compiling httparse v1.3.5 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking funty v1.1.0 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Compiling mysql v20.1.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking bytesize v1.0.1 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Checking bufstream v0.1.4 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking futures-channel v0.3.13 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking tinyvec v1.1.1 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking http v0.2.3 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling tokio v1.4.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling io-enum v0.2.6 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling time v0.2.25 [INFO] [stderr] Compiling nom v6.1.2 [INFO] [stderr] Checking tracing v0.1.25 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking bitvec v0.19.5 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Checking lru v0.6.5 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking http-body v0.4.1 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking idna v0.2.2 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Compiling openssl-sys v0.9.61 [INFO] [stderr] Compiling libz-sys v1.1.2 [INFO] [stderr] Checking lexical v5.2.1 [INFO] [stderr] Checking rust_decimal v1.10.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking url v2.2.1 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Compiling derive_utils v0.11.2 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking pem v0.8.3 [INFO] [stderr] Checking twox-hash v1.6.0 [INFO] [stderr] Checking bigdecimal v0.1.2 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking systemstat v0.1.7 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Compiling pin-project-internal v1.0.6 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking pin-project v1.0.6 [INFO] [stderr] Checking futures-util v0.3.13 [INFO] [stderr] Checking mysql_common v0.24.1 [INFO] [stderr] Checking futures-executor v0.3.13 [INFO] [stderr] Checking futures v0.3.13 [INFO] [stderr] Checking tokio-util v0.6.5 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking h2 v0.3.2 [INFO] [stderr] Checking hyper v0.14.5 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.2 [INFO] [stderr] Checking rust-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ptr::null` [INFO] [stdout] --> src/main.rs:7:47 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{fs::{self, OpenOptions}, io::Write, ptr::null, thread}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ptr::null` [INFO] [stdout] --> src/main.rs:7:47 [INFO] [stdout] | [INFO] [stdout] 7 | use std::{fs::{self, OpenOptions}, io::Write, ptr::null, thread}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `need_num` [INFO] [stdout] --> src/main.rs:27:10 [INFO] [stdout] | [INFO] [stdout] 27 | let need_num = ["0","1","2","3","4","5","6","7","8","9"]; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_need_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `need_num` [INFO] [stdout] --> src/main.rs:27:10 [INFO] [stdout] | [INFO] [stdout] 27 | let need_num = ["0","1","2","3","4","5","6","7","8","9"]; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_need_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ball` [INFO] [stdout] --> src/main.rs:23:10 [INFO] [stdout] | [INFO] [stdout] 23 | async fn ball(){ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ball` [INFO] [stdout] --> src/main.rs:23:10 [INFO] [stdout] | [INFO] [stdout] 23 | async fn ball(){ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `substr` [INFO] [stdout] --> src/main.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn substr(s: &str, start: usize, length: usize) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `substr` [INFO] [stdout] --> src/main.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn substr(s: &str, start: usize, length: usize) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `system_monitor` [INFO] [stdout] --> src/main.rs:64:4 [INFO] [stdout] | [INFO] [stdout] 64 | fn system_monitor() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `system_monitor` [INFO] [stdout] --> src/main.rs:64:4 [INFO] [stdout] | [INFO] [stdout] 64 | fn system_monitor() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 28s [INFO] running `Command { std: "docker" "inspect" "d9836eb312d9ba8ccfd61b3d34c83e419acc9c0cfba416ec12d0378521281708", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9836eb312d9ba8ccfd61b3d34c83e419acc9c0cfba416ec12d0378521281708", kill_on_drop: false }` [INFO] [stdout] d9836eb312d9ba8ccfd61b3d34c83e419acc9c0cfba416ec12d0378521281708