[INFO] cloning repository https://github.com/RetownPlato/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RetownPlato/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRetownPlato%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRetownPlato%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] da46b764c2615908454697d8f54abc65e88420d0 [INFO] checking RetownPlato/kvs against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRetownPlato%2Fkvs" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/RetownPlato/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/RetownPlato/kvs [INFO] finished tweaking git repo https://github.com/RetownPlato/kvs [INFO] tweaked toml for git repo https://github.com/RetownPlato/kvs written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d905019e18a579e0a7605f32544963fd7fb38a0785907a417a27169afa7365e1 [INFO] running `Command { std: "docker" "start" "-a" "d905019e18a579e0a7605f32544963fd7fb38a0785907a417a27169afa7365e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d905019e18a579e0a7605f32544963fd7fb38a0785907a417a27169afa7365e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d905019e18a579e0a7605f32544963fd7fb38a0785907a417a27169afa7365e1", kill_on_drop: false }` [INFO] [stdout] d905019e18a579e0a7605f32544963fd7fb38a0785907a417a27169afa7365e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d6d1900f70100b448ab3d0704d443700bb5af34723a12721549adb3a2d8a6ec4 [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" "d6d1900f70100b448ab3d0704d443700bb5af34723a12721549adb3a2d8a6ec4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking object v0.23.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking predicates-tree v1.0.2 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.6.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking backtrace v0.3.56 [INFO] [stderr] Checking predicates v1.0.7 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking serde v1.0.123 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::KvStore` [INFO] [stdout] --> src/error.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::KvStore; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/kvs.rs:22:27 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn set(&mut self, key: String, value: String) -> Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/kvs.rs:22:40 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn set(&mut self, key: String, value: String) -> Result<()> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/kvs.rs:26:30 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn remove(&mut self, key: String) -> Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/kvs.rs:30:27 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn get(&mut self, key: String) -> Result> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `path` [INFO] [stdout] --> src/kvs.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: unused import: `crate::KvStore` [INFO] [stdout] --> src/error.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::KvStore; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/kvs.rs:22:27 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn set(&mut self, key: String, value: String) -> Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/kvs.rs:22:40 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn set(&mut self, key: String, value: String) -> Result<()> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/kvs.rs:26:30 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn remove(&mut self, key: String) -> Result<()> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/kvs.rs:30:27 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn get(&mut self, key: String) -> Result> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `path` [INFO] [stdout] --> src/kvs.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 05s [INFO] running `Command { std: "docker" "inspect" "d6d1900f70100b448ab3d0704d443700bb5af34723a12721549adb3a2d8a6ec4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6d1900f70100b448ab3d0704d443700bb5af34723a12721549adb3a2d8a6ec4", kill_on_drop: false }` [INFO] [stdout] d6d1900f70100b448ab3d0704d443700bb5af34723a12721549adb3a2d8a6ec4