[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#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqw4990%2Fkvs" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/qw4990/kvs on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-9/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d225625126f1697db7f20247c3bdf22c1dd5035a1f4d24620209098f16ef6c16 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d225625126f1697db7f20247c3bdf22c1dd5035a1f4d24620209098f16ef6c16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d225625126f1697db7f20247c3bdf22c1dd5035a1f4d24620209098f16ef6c16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d225625126f1697db7f20247c3bdf22c1dd5035a1f4d24620209098f16ef6c16", kill_on_drop: false }` [INFO] [stdout] d225625126f1697db7f20247c3bdf22c1dd5035a1f4d24620209098f16ef6c16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 04100b2ab22849451b60eedd6e5c419ef8ab1449ddca032c1a46b47c8c3b2ebe [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "04100b2ab22849451b60eedd6e5c419ef8ab1449ddca032c1a46b47c8c3b2ebe", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking remove_dir_all v0.5.1 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking arrayvec v0.4.10 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking backtrace v0.3.30 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking tempfile v3.0.8 [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] 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] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.2.11 [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 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: 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::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: 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 09s [INFO] running `Command { std: "docker" "inspect" "04100b2ab22849451b60eedd6e5c419ef8ab1449ddca032c1a46b47c8c3b2ebe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04100b2ab22849451b60eedd6e5c419ef8ab1449ddca032c1a46b47c8c3b2ebe", kill_on_drop: false }` [INFO] [stdout] 04100b2ab22849451b60eedd6e5c419ef8ab1449ddca032c1a46b47c8c3b2ebe