[INFO] cloning repository https://github.com/qw4990/kvs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qw4990/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqw4990%2Fkvs"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqw4990%2Fkvs'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c976d535c960094d41ab588ed0217fe4b4efeb2d [INFO] checking qw4990/kvs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqw4990%2Fkvs" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/qw4990/kvs on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/qw4990/kvs [INFO] finished tweaking git repo https://github.com/qw4990/kvs [INFO] tweaked toml for git repo https://github.com/qw4990/kvs written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/qw4990/kvs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e70d0cde42ae53cca00b74b6a56dbb793cb27e0951a26feffa14235c00d6d0ce [INFO] running `"docker" "start" "-a" "e70d0cde42ae53cca00b74b6a56dbb793cb27e0951a26feffa14235c00d6d0ce"` [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking regex v1.1.6 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking tempfile v3.0.8 [INFO] [stderr] Checking rayon v1.0.3 [INFO] [stderr] Checking env_logger v0.6.1 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking serde v1.0.92 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking csv v1.0.7 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking escargot v0.4.0 [INFO] [stderr] Checking tinytemplate v1.0.2 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stderr] warning: unused import: `std::result` [INFO] [stderr] --> src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::result; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `clap::ErrorKind` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use clap::ErrorKind; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stderr] warning: unused import: `std::path` [INFO] [stderr] --> src/bin/kvs-client.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::path; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `KvStore`, `KvsEngine`, `KvsError` [INFO] [stderr] --> src/bin/kvs-client.rs:12:19 [INFO] [stderr] | [INFO] [stderr] 12 | use kvs::{KvsCmd, KvsEngine, KvsError, KvsResp, KvStore, Result}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `resp` [INFO] [stderr] --> src/bin/kvs-client.rs:85:9 [INFO] [stderr] | [INFO] [stderr] 85 | let resp = request(db_stream, &KvsCmd::Set { key, val })?; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_resp` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `resp` [INFO] [stderr] --> src/bin/kvs-client.rs:90:9 [INFO] [stderr] | [INFO] [stderr] 90 | let resp = request(db_stream, &KvsCmd::Rm { key })?; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_resp` [INFO] [stderr] [INFO] [stderr] warning: unused import: `log::Level` [INFO] [stderr] --> src/bin/kvs-server.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use log::Level; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/bin/kvs-server.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | use serde::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `KvsError` [INFO] [stderr] --> src/bin/kvs-server.rs:17:30 [INFO] [stderr] | [INFO] [stderr] 17 | use kvs::{KvsCmd, KvsEngine, KvsError, KvStore, Result}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/bin/kvs-server.rs:97:17 [INFO] [stderr] | [INFO] [stderr] 97 | _ => { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `log::Level` [INFO] [stderr] --> src/bin/kvs-server.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use log::Level; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stderr] --> src/bin/kvs-server.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | use serde::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `KvsError` [INFO] [stderr] --> src/bin/kvs-server.rs:17:30 [INFO] [stderr] | [INFO] [stderr] 17 | use kvs::{KvsCmd, KvsEngine, KvsError, KvStore, Result}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/bin/kvs-server.rs:97:17 [INFO] [stderr] | [INFO] [stderr] 97 | _ => { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::result` [INFO] [stderr] --> src/lib.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::result; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `clap::ErrorKind` [INFO] [stderr] --> src/lib.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use clap::ErrorKind; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path` [INFO] [stderr] --> src/bin/kvs-client.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::path; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `KvStore`, `KvsEngine`, `KvsError` [INFO] [stderr] --> src/bin/kvs-client.rs:12:19 [INFO] [stderr] | [INFO] [stderr] 12 | use kvs::{KvsCmd, KvsEngine, KvsError, KvsResp, KvStore, Result}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `resp` [INFO] [stderr] --> src/bin/kvs-client.rs:85:9 [INFO] [stderr] | [INFO] [stderr] 85 | let resp = request(db_stream, &KvsCmd::Set { key, val })?; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_resp` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `resp` [INFO] [stderr] --> src/bin/kvs-client.rs:90:9 [INFO] [stderr] | [INFO] [stderr] 90 | let resp = request(db_stream, &KvsCmd::Rm { key })?; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_resp` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 11s [INFO] running `"docker" "inspect" "e70d0cde42ae53cca00b74b6a56dbb793cb27e0951a26feffa14235c00d6d0ce"` [INFO] running `"docker" "rm" "-f" "e70d0cde42ae53cca00b74b6a56dbb793cb27e0951a26feffa14235c00d6d0ce"` [INFO] [stdout] e70d0cde42ae53cca00b74b6a56dbb793cb27e0951a26feffa14235c00d6d0ce