[INFO] cloning repository https://github.com/qisanyijiu/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qisanyijiu/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqisanyijiu%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqisanyijiu%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 711e05357d42b1bc3ccae767a9a378df8f1b6e12 [INFO] building qisanyijiu/kvs against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqisanyijiu%2Fkvs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/qisanyijiu/kvs [INFO] finished tweaking git repo https://github.com/qisanyijiu/kvs [INFO] tweaked toml for git repo https://github.com/qisanyijiu/kvs written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/qisanyijiu/kvs on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/qisanyijiu/kvs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9900a0baf0d5de5b341e70218da289b9c83c9ee193482beb917238b8a89cd58e [INFO] running `Command { std: "docker" "start" "-a" "9900a0baf0d5de5b341e70218da289b9c83c9ee193482beb917238b8a89cd58e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9900a0baf0d5de5b341e70218da289b9c83c9ee193482beb917238b8a89cd58e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9900a0baf0d5de5b341e70218da289b9c83c9ee193482beb917238b8a89cd58e", kill_on_drop: false }` [INFO] [stdout] 9900a0baf0d5de5b341e70218da289b9c83c9ee193482beb917238b8a89cd58e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81eb9f3f2bbbe26d9dc64048510488aad74577c5c13035d316b8834bdaf7e65c [INFO] running `Command { std: "docker" "start" "-a" "81eb9f3f2bbbe26d9dc64048510488aad74577c5c13035d316b8834bdaf7e65c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling crossbeam-epoch v0.9.7 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] 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crossbeam-utils v0.6.5 (https://github.com/crossbeam-rs/crossbeam.git?rev=8cc906b#8cc906b9) [INFO] [stderr] Compiling historian v4.0.4 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 (https://github.com/crossbeam-rs/crossbeam.git?rev=8cc906b#8cc906b9) [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling addr2line v0.17.0 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-serde v0.3.0 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling crossbeam-skiplist v0.0.0 (https://github.com/crossbeam-rs/crossbeam.git?rev=8cc906b#8cc906b9) [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling hashbrown v0.2.2 [INFO] [stderr] Compiling serde_bytes v0.10.5 [INFO] [stderr] Compiling tokio-serde-json v0.2.0 [INFO] [stderr] Compiling pagecache v0.15.0 [INFO] [stderr] Compiling sled v0.22.1 [INFO] [stderr] Compiling kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/engines/kvs.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct KvStore { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 45 | // directory for the log and other data [INFO] [stdout] 46 | path: Arc, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `KvStore` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/error.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_KvsError` [INFO] [stdout] 6 | pub enum KvsError { [INFO] [stdout] | -------- `KvsError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/error.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_KvsError` [INFO] [stdout] 6 | pub enum KvsError { [INFO] [stdout] | -------- `KvsError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/engines/kvs.rs:249:13 [INFO] [stdout] | [INFO] [stdout] 249 | serde_json::to_writer(&mut self.writer, &cmd); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 249 | let _ = serde_json::to_writer(&mut self.writer, &cmd); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/engines/sled.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 66 | db.flush(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = db.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pagecache v0.15.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "81eb9f3f2bbbe26d9dc64048510488aad74577c5c13035d316b8834bdaf7e65c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81eb9f3f2bbbe26d9dc64048510488aad74577c5c13035d316b8834bdaf7e65c", kill_on_drop: false }` [INFO] [stdout] 81eb9f3f2bbbe26d9dc64048510488aad74577c5c13035d316b8834bdaf7e65c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 281af813017b8b2ef4a01965448a933260c505ae51861c5fa05d969849876274 [INFO] running `Command { std: "docker" "start" "-a" "281af813017b8b2ef4a01965448a933260c505ae51861c5fa05d969849876274", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling semver v1.0.6 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.3 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling termtree v0.2.4 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling predicates-tree v1.0.5 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling rand_xoshiro v0.1.0 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/engines/kvs.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct KvStore { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 45 | // directory for the log and other data [INFO] [stdout] 46 | path: Arc, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `KvStore` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/error.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_KvsError` [INFO] [stdout] 6 | pub enum KvsError { [INFO] [stdout] | -------- `KvsError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/error.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_KvsError` [INFO] [stdout] 6 | pub enum KvsError { [INFO] [stdout] | -------- `KvsError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/engines/kvs.rs:249:13 [INFO] [stdout] | [INFO] [stdout] 249 | serde_json::to_writer(&mut self.writer, &cmd); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 249 | let _ = serde_json::to_writer(&mut self.writer, &cmd); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/engines/sled.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 66 | db.flush(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = db.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Compiling criterion-plot v0.3.1 [INFO] [stderr] Compiling panic-control v0.1.4 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `path` is never read [INFO] [stdout] --> src/engines/kvs.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct KvStore { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 45 | // directory for the log and other data [INFO] [stdout] 46 | path: Arc, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `KvStore` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/error.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Fail` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_KvsError` [INFO] [stdout] 6 | pub enum KvsError { [INFO] [stdout] | -------- `KvsError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/error.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug, Fail)] [INFO] [stdout] | ^--- [INFO] [stdout] | | [INFO] [stdout] | `Display` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_KvsError` [INFO] [stdout] 6 | pub enum KvsError { [INFO] [stdout] | -------- `KvsError` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/engines/kvs.rs:249:13 [INFO] [stdout] | [INFO] [stdout] 249 | serde_json::to_writer(&mut self.writer, &cmd); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 249 | let _ = serde_json::to_writer(&mut self.writer, &cmd); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/engines/sled.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 66 | db.flush(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = db.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 21.00s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11, pagecache v0.15.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "281af813017b8b2ef4a01965448a933260c505ae51861c5fa05d969849876274", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "281af813017b8b2ef4a01965448a933260c505ae51861c5fa05d969849876274", kill_on_drop: false }` [INFO] [stdout] 281af813017b8b2ef4a01965448a933260c505ae51861c5fa05d969849876274