[INFO] cloning repository https://github.com/qw4990/kvs [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqw4990%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c976d535c960094d41ab588ed0217fe4b4efeb2d [INFO] checking qw4990/kvs against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqw4990%2Fkvs" "/workspace/builds/worker-37/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/qw4990/kvs on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-37/source/Cargo.toml [INFO] crate git repo https://github.com/qw4990/kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 570c0485986e002bfe8a287fb020f570da8a7095f9ebc2817078281deb12bf62 [INFO] running `Command { std: "docker" "start" "-a" "570c0485986e002bfe8a287fb020f570da8a7095f9ebc2817078281deb12bf62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "570c0485986e002bfe8a287fb020f570da8a7095f9ebc2817078281deb12bf62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "570c0485986e002bfe8a287fb020f570da8a7095f9ebc2817078281deb12bf62", kill_on_drop: false }` [INFO] [stdout] 570c0485986e002bfe8a287fb020f570da8a7095f9ebc2817078281deb12bf62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40b9c0b053b6a151c773e9560174d48c71999dd0c648e34f684d23427067fc49 [INFO] running `Command { std: "docker" "start" "-a" "40b9c0b053b6a151c773e9560174d48c71999dd0c648e34f684d23427067fc49", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking remove_dir_all v0.5.1 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking tempfile v3.0.8 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking env_logger v0.6.1 [INFO] [stderr] Checking predicates v1.0.1 [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 tinytemplate v1.0.2 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::result` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::result; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `clap::ErrorKind` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use clap::ErrorKind; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::Level` [INFO] [stdout] --> src/bin/kvs-server.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use log::Level; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stdout] --> src/bin/kvs-server.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `KvsError` [INFO] [stdout] --> src/bin/kvs-server.rs:17:30 [INFO] [stdout] | [INFO] [stdout] 17 | use kvs::{KvsCmd, KvsEngine, KvsError, KvStore, Result}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path` [INFO] [stdout] --> src/bin/kvs-client.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::path; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `KvStore`, `KvsEngine`, `KvsError` [INFO] [stdout] --> src/bin/kvs-client.rs:12:19 [INFO] [stdout] | [INFO] [stdout] 12 | use kvs::{KvsCmd, KvsEngine, KvsError, KvsResp, KvStore, Result}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/bin/kvs-server.rs:97:17 [INFO] [stdout] | [INFO] [stdout] 97 | _ => { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `resp` [INFO] [stdout] --> src/bin/kvs-client.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let resp = request(db_stream, &KvsCmd::Set { key, val })?; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_resp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `resp` [INFO] [stdout] --> src/bin/kvs-client.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | let resp = request(db_stream, &KvsCmd::Rm { key })?; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_resp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: unused import: `std::path` [INFO] [stdout] --> src/bin/kvs-client.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::path; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `KvStore`, `KvsEngine`, `KvsError` [INFO] [stdout] --> src/bin/kvs-client.rs:12:19 [INFO] [stdout] | [INFO] [stdout] 12 | use kvs::{KvsCmd, KvsEngine, KvsError, KvsResp, KvStore, Result}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::Level` [INFO] [stdout] --> src/bin/kvs-server.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use log::Level; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stdout] --> src/bin/kvs-server.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `KvsError` [INFO] [stdout] --> src/bin/kvs-server.rs:17:30 [INFO] [stdout] | [INFO] [stdout] 17 | use kvs::{KvsCmd, KvsEngine, KvsError, KvStore, Result}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `resp` [INFO] [stdout] --> src/bin/kvs-client.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let resp = request(db_stream, &KvsCmd::Set { key, val })?; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_resp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `resp` [INFO] [stdout] --> src/bin/kvs-client.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | let resp = request(db_stream, &KvsCmd::Rm { key })?; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_resp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/bin/kvs-server.rs:97:17 [INFO] [stdout] | [INFO] [stdout] 97 | _ => { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::result` [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::result; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `clap::ErrorKind` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use clap::ErrorKind; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.60s [INFO] running `Command { std: "docker" "inspect" "40b9c0b053b6a151c773e9560174d48c71999dd0c648e34f684d23427067fc49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40b9c0b053b6a151c773e9560174d48c71999dd0c648e34f684d23427067fc49", kill_on_drop: false }` [INFO] [stdout] 40b9c0b053b6a151c773e9560174d48c71999dd0c648e34f684d23427067fc49