[INFO] cloning repository https://github.com/boluobanana/rust_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boluobanana/rust_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboluobanana%2Frust_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboluobanana%2Frust_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62d1f85c60115ac7185bc7c5e6972c1724419ec2
[INFO] checking boluobanana/rust_example against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboluobanana%2Frust_example" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/boluobanana/rust_example on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/boluobanana/rust_example
[INFO] finished tweaking git repo https://github.com/boluobanana/rust_example
[INFO] tweaked toml for git repo https://github.com/boluobanana/rust_example written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/boluobanana/rust_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b10ed4e8ec43de125e14a512b0528f8062c351c1574ae1a6705773ffdd2e299a
[INFO] running `Command { std: "docker" "start" "-a" "b10ed4e8ec43de125e14a512b0528f8062c351c1574ae1a6705773ffdd2e299a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b10ed4e8ec43de125e14a512b0528f8062c351c1574ae1a6705773ffdd2e299a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10ed4e8ec43de125e14a512b0528f8062c351c1574ae1a6705773ffdd2e299a", kill_on_drop: false }`
[INFO] [stdout] b10ed4e8ec43de125e14a512b0528f8062c351c1574ae1a6705773ffdd2e299a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6f1cb3985b92764e95b188f55e3b4cef77cd0e4c2f039460e374bd336e896d4
[INFO] running `Command { std: "docker" "start" "-a" "a6f1cb3985b92764e95b188f55e3b4cef77cd0e4c2f039460e374bd336e896d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling winit v0.23.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling run_dylib_example v0.1.0 (/opt/rustwide/workdir/run_dylib_example)
[INFO] [stderr]     Checking btree v0.1.0 (/opt/rustwide/workdir/btree)
[INFO] [stderr]     Checking option_test v0.1.0 (/opt/rustwide/workdir/option_test)
[INFO] [stderr]     Checking system_api_test v0.1.0 (/opt/rustwide/workdir/system_api_test)
[INFO] [stderr]     Checking empty_test v0.1.0 (/opt/rustwide/workdir/empty_test)
[INFO] [stderr]     Checking hash_test v0.1.0 (/opt/rustwide/workdir/hash_test)
[INFO] [stderr]     Checking libloading v0.6.6
[INFO] [stderr]    Compiling wayland-sys v0.28.2
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking lazy_init_test v0.1.0 (/opt/rustwide/workdir/lazy_init_test)
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]    Compiling wayland-scanner v0.28.2
[INFO] [stdout] warning: unused import: `collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> hash_test/src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::hash_map::DefaultHasher, hash::{Hash, Hasher}};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> hash_test/src/main.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn hash<H: Hasher>(&self, state: &mut H) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Command`, `Output`, `io`
[INFO] [stdout]  --> system_api_test/src/os/process.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io, process::{Command, Output}};
[INFO] [stdout]   |           ^^            ^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::hash_map::DefaultHasher`
[INFO] [stdout]  --> hash_test/src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::hash_map::DefaultHasher, hash::{Hash, Hasher}};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> hash_test/src/main.rs:11:31
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn hash<H: Hasher>(&self, state: &mut H) {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cache1`
[INFO] [stdout]   --> option_test/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     cache1: Option<Cache>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cache1`
[INFO] [stdout]   --> option_test/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     cache1: Option<Cache>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::os::process::terminate_process`
[INFO] [stdout]  --> system_api_test/src/tests/os/process.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::os::process::terminate_process;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `terminate_process` in `os::process`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]  --> btree/src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut root = Node::new(12);
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> btree/src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut root = Node::new(12);
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `system_api_test`
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> system_api_test/src/tests/os/process.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 |   /// 测试时需手动修改进程id来测试
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |   let pid = 7266;
[INFO] [stdout]   |   --------------- rustdoc does not generate documentation for statements
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] warning: unused imports: `Command`, `Output`, `io`
[INFO] [stdout]  --> system_api_test/src/os/process.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io, process::{Command, Output}};
[INFO] [stdout]   |           ^^            ^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]  --> btree/src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut root = Node::new(12);
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> btree/src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut root = Node::new(12);
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a6f1cb3985b92764e95b188f55e3b4cef77cd0e4c2f039460e374bd336e896d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f1cb3985b92764e95b188f55e3b4cef77cd0e4c2f039460e374bd336e896d4", kill_on_drop: false }`
[INFO] [stdout] a6f1cb3985b92764e95b188f55e3b4cef77cd0e4c2f039460e374bd336e896d4