[INFO] cloning repository https://github.com/DEDZTBH-Talent-Plan-Rust/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DEDZTBH-Talent-Plan-Rust/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDEDZTBH-Talent-Plan-Rust%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDEDZTBH-Talent-Plan-Rust%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 94d90949a6dd0ceddc9f2e593703301542499283 [INFO] testing DEDZTBH-Talent-Plan-Rust/kvs against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDEDZTBH-Talent-Plan-Rust%2Fkvs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/DEDZTBH-Talent-Plan-Rust/kvs [INFO] finished tweaking git repo https://github.com/DEDZTBH-Talent-Plan-Rust/kvs [INFO] tweaked toml for git repo https://github.com/DEDZTBH-Talent-Plan-Rust/kvs written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/DEDZTBH-Talent-Plan-Rust/kvs on toolchain 1.99.0-beta.8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/DEDZTBH-Talent-Plan-Rust/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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.2.4 [INFO] [stderr] Downloaded remove_dir_all v0.5.3 [INFO] [stderr] Downloaded tempfile v3.2.0 [INFO] [stderr] Downloaded rand v0.8.3 [INFO] [stderr] Downloaded unicode-width v0.1.8 [INFO] [stderr] Downloaded walkdir v2.3.1 [INFO] [stderr] Downloaded failure_derive v0.1.8 [INFO] [stderr] Downloaded adler v0.2.3 [INFO] [stderr] Downloaded rand_hc v0.3.0 [INFO] [stderr] Downloaded rand_chacha v0.3.0 [INFO] [stderr] Downloaded normalize-line-endings v0.3.0 [INFO] [stderr] Downloaded float-cmp v0.8.0 [INFO] [stderr] Downloaded hermit-abi v0.1.18 [INFO] [stderr] Downloaded thread_local v1.1.2 [INFO] [stderr] Downloaded predicates-tree v1.0.2 [INFO] [stderr] Downloaded itoa v0.4.7 [INFO] [stderr] Downloaded vec_map v0.8.2 [INFO] [stderr] Downloaded predicates-core v1.0.2 [INFO] [stderr] Downloaded quote v1.0.8 [INFO] [stderr] Downloaded memchr v2.3.4 [INFO] [stderr] Downloaded synstructure v0.12.4 [INFO] [stderr] Downloaded os_str_bytes v2.4.0 [INFO] [stderr] Downloaded byteorder v1.4.2 [INFO] [stderr] Downloaded getrandom v0.2.2 [INFO] [stderr] Downloaded wasi v0.10.2+wasi-snapshot-preview1 [INFO] [stderr] Downloaded ppv-lite86 v0.2.10 [INFO] [stderr] Downloaded textwrap v0.12.1 [INFO] [stderr] Downloaded bincode v1.3.1 [INFO] [stderr] Downloaded escargot v0.4.0 [INFO] [stderr] Downloaded rustc-demangle v0.1.18 [INFO] [stderr] Downloaded once_cell v1.5.2 [INFO] [stderr] Downloaded assert_cmd v0.11.1 [INFO] [stderr] Downloaded rand_core v0.6.1 [INFO] [stderr] Downloaded failure v0.1.8 [INFO] [stderr] Downloaded addr2line v0.14.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.24 [INFO] [stderr] Downloaded clap_derive v3.0.0-beta.2 [INFO] [stderr] Downloaded miniz_oxide v0.4.3 [INFO] [stderr] Downloaded indexmap v1.6.1 [INFO] [stderr] Downloaded ryu v1.0.5 [INFO] [stderr] Downloaded log v0.4.14 [INFO] [stderr] Downloaded serde_derive v1.0.123 [INFO] [stderr] Downloaded hashbrown v0.9.1 [INFO] [stderr] Downloaded backtrace v0.3.56 [INFO] [stderr] Downloaded serde v1.0.123 [INFO] [stderr] Downloaded serde_json v1.0.61 [INFO] [stderr] Downloaded aho-corasick v0.7.15 [INFO] [stderr] Downloaded clap v3.0.0-beta.2 [INFO] [stderr] Downloaded syn v1.0.60 [INFO] [stderr] Downloaded object v0.23.0 [INFO] [stderr] Downloaded regex v1.4.3 [INFO] [stderr] Downloaded regex-syntax v0.6.22 [INFO] [stderr] Downloaded predicates v1.0.7 [INFO] [stderr] Downloaded libc v0.2.84 [INFO] [stderr] Downloaded gimli v0.23.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] c8ffb0ec4be40ec545b7d66e8b7a1f8509bf6320207dfc4e10adceff10e29518 [INFO] running `Command { std: "docker" "start" "c8ffb0ec4be40ec545b7d66e8b7a1f8509bf6320207dfc4e10adceff10e29518", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8ffb0ec4be40ec545b7d66e8b7a1f8509bf6320207dfc4e10adceff10e29518", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c8ffb0ec4be40ec545b7d66e8b7a1f8509bf6320207dfc4e10adceff10e29518" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8ffb0ec4be40ec545b7d66e8b7a1f8509bf6320207dfc4e10adceff10e29518", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c8ffb0ec4be40ec545b7d66e8b7a1f8509bf6320207dfc4e10adceff10e29518" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling libc v0.2.84 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling gimli v0.23.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling rustc-demangle v0.1.18 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling object v0.23.0 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling textwrap v0.12.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling os_str_bytes v2.4.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling addr2line v0.14.1 [INFO] [stderr] Compiling backtrace v0.3.56 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling clap v3.0.0-beta.2 [INFO] [stderr] Compiling bincode v1.3.1 [INFO] [stderr] Compiling kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/error.rs:53:45 [INFO] [stdout] | [INFO] [stdout] 53 | #[derive(Copy, Clone, Eq, PartialEq, 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_ErrorKind` [INFO] [stdout] 54 | /// Error kind of KvStore [INFO] [stdout] 55 | pub enum ErrorKind { [INFO] [stdout] | --------- `ErrorKind` 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:53:45 [INFO] [stdout] | [INFO] [stdout] 53 | #[derive(Copy, Clone, Eq, PartialEq, 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_ErrorKind` [INFO] [stdout] 54 | /// Error kind of KvStore [INFO] [stdout] 55 | pub enum ErrorKind { [INFO] [stdout] | --------- `ErrorKind` 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] [stderr] Finished `release` profile [optimized] target(s) in 43.73s [INFO] running `Command { std: "docker" "inspect" "c8ffb0ec4be40ec545b7d66e8b7a1f8509bf6320207dfc4e10adceff10e29518", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c8ffb0ec4be40ec545b7d66e8b7a1f8509bf6320207dfc4e10adceff10e29518" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling thread_local v1.1.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling rand_core v0.6.1 [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/error.rs:53:45 [INFO] [stdout] | [INFO] [stdout] 53 | #[derive(Copy, Clone, Eq, PartialEq, 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_ErrorKind` [INFO] [stdout] 54 | /// Error kind of KvStore [INFO] [stdout] 55 | pub enum ErrorKind { [INFO] [stdout] | --------- `ErrorKind` 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:53:45 [INFO] [stdout] | [INFO] [stdout] 53 | #[derive(Copy, Clone, Eq, PartialEq, 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_ErrorKind` [INFO] [stdout] 54 | /// Error kind of KvStore [INFO] [stdout] 55 | pub enum ErrorKind { [INFO] [stdout] | --------- `ErrorKind` 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] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling predicates-tree v1.0.2 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling predicates v1.0.7 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `release` profile [optimized] target(s) in 35.25s [INFO] running `Command { std: "docker" "inspect" "c8ffb0ec4be40ec545b7d66e8b7a1f8509bf6320207dfc4e10adceff10e29518", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c8ffb0ec4be40ec545b7d66e8b7a1f8509bf6320207dfc4e10adceff10e29518" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }` [INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stderr] --> src/error.rs:53:45 [INFO] [stderr] | [INFO] [stderr] 53 | #[derive(Copy, Clone, Eq, PartialEq, Debug, Fail)] [INFO] [stderr] | ^--- [INFO] [stderr] | | [INFO] [stderr] | `Fail` is not local [INFO] [stderr] | move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_ErrorKind` [INFO] [stderr] 54 | /// Error kind of KvStore [INFO] [stderr] 55 | pub enum ErrorKind { [INFO] [stderr] | --------- `ErrorKind` is not local [INFO] [stderr] | [INFO] [stderr] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stderr] = 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] [stderr] = 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] [stderr] = 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] [stderr] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stderr] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stderr] --> src/error.rs:53:45 [INFO] [stderr] | [INFO] [stderr] 53 | #[derive(Copy, Clone, Eq, PartialEq, Debug, Fail)] [INFO] [stderr] | ^--- [INFO] [stderr] | | [INFO] [stderr] | `Display` is not local [INFO] [stderr] | move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_ErrorKind` [INFO] [stderr] 54 | /// Error kind of KvStore [INFO] [stderr] 55 | pub enum ErrorKind { [INFO] [stderr] | --------- `ErrorKind` is not local [INFO] [stderr] | [INFO] [stderr] = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed [INFO] [stderr] = 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] [stderr] = 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] [stderr] = 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] [stderr] = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `kvs` (lib) generated 2 warnings [INFO] [stderr] Finished `release` profile [optimized] target(s) in 0.15s [INFO] [stderr] Running tests/tests.rs (/opt/rustwide/target/release/deps/tests-b1148c892437944a) [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test cli_no_args ... ok [INFO] [stdout] test cli_rm_non_existent_key ... ok [INFO] [stdout] test cli_invalid_subcommand ... ok [INFO] [stdout] test cli_invalid_get ... ok [INFO] [stdout] test cli_get_non_existent_key ... ok [INFO] [stdout] test cli_invalid_rm ... ok [INFO] [stdout] test get_non_existent_value ... ok [INFO] [stdout] test overwrite_value ... ok [INFO] [stdout] test get_stored_value ... ok [INFO] [stdout] test remove_non_existent_key ... ok [INFO] [stdout] test cli_invalid_set ... ok [INFO] [stdout] test cli_get_stored ... ok [INFO] [stdout] test cli_version ... ok [INFO] [stdout] test remove_key ... ok [INFO] [stdout] test cli_set ... ok [INFO] [stdout] test cli_rm_stored ... ok [INFO] [stdout] test compaction ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.89s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c8ffb0ec4be40ec545b7d66e8b7a1f8509bf6320207dfc4e10adceff10e29518", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8ffb0ec4be40ec545b7d66e8b7a1f8509bf6320207dfc4e10adceff10e29518", kill_on_drop: false }` [INFO] [stdout] c8ffb0ec4be40ec545b7d66e8b7a1f8509bf6320207dfc4e10adceff10e29518