[INFO] cloning repository https://github.com/woodgear/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woodgear/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23e27b1b1ed74a033ba9c846de0238095a8201f5 [INFO] checking woodgear/kvs against master#d49be02cf6d2e2a01264fcdef1e20c826710c0f5 for pr-133570-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fkvs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/woodgear/kvs on toolchain d49be02cf6d2e2a01264fcdef1e20c826710c0f5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/woodgear/kvs [INFO] finished tweaking git repo https://github.com/woodgear/kvs [INFO] tweaked toml for git repo https://github.com/woodgear/kvs written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/woodgear/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" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/woodgear/context-attribute` [INFO] [stderr] Updating git repository `https://github.com/harryfei/sugar-rs.git` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded min_max_macros v0.1.1 [INFO] [stderr] Downloaded vec_box v1.0.0 [INFO] [stderr] Downloaded assert_cmd v0.12.0 [INFO] [stderr] Downloaded predicates v1.0.3 [INFO] [stderr] Downloaded bson v0.14.0 [INFO] [stderr] Downloaded float-cmp v0.6.0 [INFO] [stderr] Downloaded proc-macro-error-attr v0.4.10 [INFO] [stderr] Downloaded log4rs v0.10.0 [INFO] [stderr] Downloaded proc-macro-error v0.4.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] abe164173f26f872f6ae8b41188bb4e793d81f992b7c69aa0d1c93e68b15c6f5 [INFO] running `Command { std: "docker" "start" "-a" "abe164173f26f872f6ae8b41188bb4e793d81f992b7c69aa0d1c93e68b15c6f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "abe164173f26f872f6ae8b41188bb4e793d81f992b7c69aa0d1c93e68b15c6f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abe164173f26f872f6ae8b41188bb4e793d81f992b7c69aa0d1c93e68b15c6f5", kill_on_drop: false }` [INFO] [stdout] abe164173f26f872f6ae8b41188bb4e793d81f992b7c69aa0d1c93e68b15c6f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e2e90a076a5033d6cb13be30a4d5a02adb5b6327e8e6424b99604d3e338e7366 [INFO] running `Command { std: "docker" "start" "-a" "e2e90a076a5033d6cb13be30a4d5a02adb5b6327e8e6424b99604d3e338e7366", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.10 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling proc-macro-error v0.4.10 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking miniz_oxide v0.3.6 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling backtrace v0.3.44 [INFO] [stderr] Checking dtoa v0.4.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking aho-corasick v0.7.9 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling escargot v0.5.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Compiling doc-comment v0.3.1 [INFO] [stderr] Checking regex-syntax v0.6.14 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking vec_box v1.0.0 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking min_max_macros v0.1.1 [INFO] [stderr] Checking md5 v0.6.1 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking antidote v1.0.0 [INFO] [stderr] Checking log-mdc v0.1.0 [INFO] [stderr] Checking sugar v0.2.0 (https://github.com/harryfei/sugar-rs.git#16f662eb) [INFO] [stderr] Checking float-cmp v0.6.0 [INFO] [stderr] Compiling cargo-husky v1.5.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling structopt-derive v0.4.2 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Compiling context-attribute v1.0.0 (https://github.com/woodgear/context-attribute?branch=feature%2Fcustom-msg#b3df68db) [INFO] [stderr] Checking predicates v1.0.3 [INFO] [stderr] Checking structopt v0.3.9 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking serde_yaml v0.8.11 [INFO] [stderr] Checking serde-value v0.6.0 [INFO] [stderr] Checking log4rs v0.10.0 [INFO] [stderr] Checking bson v0.14.0 [INFO] [stderr] Checking assert_cmd v0.12.0 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `context_attribute::context` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use context_attribute::context; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Path` [INFO] [stdout] --> src/lib.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | use std::path::{Path, PathBuf}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/lib.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/lib.rs:12:19 [INFO] [stdout] | [INFO] [stdout] 12 | use std::io::{self, Read, Seek, SeekFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/lib.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Serialize, Deserialize, Eq, PartialEq, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `cargo-clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/lib.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Serialize, Deserialize, Eq, PartialEq, Debug)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `cargo-clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SeekFrom` and `Seek` [INFO] [stdout] --> src/lib.rs:140:31 [INFO] [stdout] | [INFO] [stdout] 140 | use std::io::{Cursor, Seek, SeekFrom}; [INFO] [stdout] | ^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `context_attribute::context` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use context_attribute::context; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Path` [INFO] [stdout] --> src/lib.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | use std::path::{Path, PathBuf}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/lib.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/lib.rs:12:19 [INFO] [stdout] | [INFO] [stdout] 12 | use std::io::{self, Read, Seek, SeekFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/lib.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Serialize, Deserialize, Eq, PartialEq, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `cargo-clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/lib.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Serialize, Deserialize, Eq, PartialEq, Debug)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `cargo-clippy` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SeekFrom` and `Seek` [INFO] [stdout] --> src/lib.rs:140:31 [INFO] [stdout] | [INFO] [stdout] 140 | use std::io::{Cursor, Seek, SeekFrom}; [INFO] [stdout] | ^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:115:36 [INFO] [stdout] | [INFO] [stdout] 115 | if let LogRecord::Set((key, val)) = record { [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: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/lib.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Serialize, Deserialize, Eq, PartialEq, Debug)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_LogRecord` [INFO] [stdout] 25 | enum LogRecord { [INFO] [stdout] | --------- `LogRecord` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_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 `Serialize` (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/lib.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Serialize, Deserialize, Eq, PartialEq, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_LogRecord` [INFO] [stdout] 25 | enum LogRecord { [INFO] [stdout] | --------- `LogRecord` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_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 `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:115:36 [INFO] [stdout] | [INFO] [stdout] 115 | if let LogRecord::Set((key, val)) = record { [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: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/lib.rs:24:10 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Serialize, Deserialize, Eq, PartialEq, Debug)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_LogRecord` [INFO] [stdout] 25 | enum LogRecord { [INFO] [stdout] | --------- `LogRecord` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_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 `Serialize` (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/lib.rs:24:21 [INFO] [stdout] | [INFO] [stdout] 24 | #[derive(Serialize, Deserialize, Eq, PartialEq, Debug)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_LogRecord` [INFO] [stdout] 25 | enum LogRecord { [INFO] [stdout] | --------- `LogRecord` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_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 `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/kvs.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/kvs.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.36s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v0.14.0, traitobject v0.1.0, typemap v0.3.3 [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" "e2e90a076a5033d6cb13be30a4d5a02adb5b6327e8e6424b99604d3e338e7366", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2e90a076a5033d6cb13be30a4d5a02adb5b6327e8e6424b99604d3e338e7366", kill_on_drop: false }` [INFO] [stdout] e2e90a076a5033d6cb13be30a4d5a02adb5b6327e8e6424b99604d3e338e7366