[INFO] cloning repository https://github.com/cshuaimin/kvs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cshuaimin/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcshuaimin%2Fkvs", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a00af630b1cd3449049f5c76063193a01203038
[INFO] testing cshuaimin/kvs against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcshuaimin%2Fkvs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cshuaimin/kvs
[INFO] finished tweaking git repo https://github.com/cshuaimin/kvs
[INFO] tweaked toml for git repo https://github.com/cshuaimin/kvs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cshuaimin/kvs on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cshuaimin/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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/kvs.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: 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: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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/kvs.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: 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: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/lib.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: 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: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[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:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: 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: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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: field `dir` is never read
[INFO] [stdout]   --> src/kvs.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct KvsReader {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 25 |     dir: Arc<PathBuf>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KvsReader` 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/lib.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |          ^--------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Serialize` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Request`
[INFO] [stdout] 17 | enum Request {
[INFO] [stdout]    |      ------- `Request` 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:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |                     ^----------
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     `Deserialize` is not local
[INFO] [stdout]    |                     move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Request`
[INFO] [stdout] 17 | enum Request {
[INFO] [stdout]    |      ------- `Request` 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: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/kvs.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                 ^--------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Serialize` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_LogPos`
[INFO] [stdout] 43 | struct LogPos {
[INFO] [stdout]    |        ------ `LogPos` 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: 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/kvs.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                            ^----------
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            `Deserialize` is not local
[INFO] [stdout]    |                            move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_LogPos`
[INFO] [stdout] 43 | struct LogPos {
[INFO] [stdout]    |        ------ `LogPos` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.86s
[INFO] running `Command { std: "docker" "inspect" "69a123bc72c13ee7d0d58fdea5e86c106e22752d23c22d94d571b6cc0f338e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a123bc72c13ee7d0d58fdea5e86c106e22752d23c22d94d571b6cc0f338e63", kill_on_drop: false }`
[INFO] [stdout] 69a123bc72c13ee7d0d58fdea5e86c106e22752d23c22d94d571b6cc0f338e63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 755fcc0a31c5a4fd50857f5870e7ad7f65618959dae6dfeda494495eedbebd80
[INFO] running `Command { std: "docker" "start" "-a" "755fcc0a31c5a4fd50857f5870e7ad7f65618959dae6dfeda494495eedbebd80", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/kvs.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: 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: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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/kvs.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: 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: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/lib.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: 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: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[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:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: 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: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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: field `dir` is never read
[INFO] [stdout]   --> src/kvs.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct KvsReader {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 25 |     dir: Arc<PathBuf>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KvsReader` 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/lib.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |          ^--------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Serialize` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Request`
[INFO] [stdout] 17 | enum Request {
[INFO] [stdout]    |      ------- `Request` 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:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |                     ^----------
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     `Deserialize` is not local
[INFO] [stdout]    |                     move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Request`
[INFO] [stdout] 17 | enum Request {
[INFO] [stdout]    |      ------- `Request` 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: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/kvs.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                 ^--------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Serialize` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_LogPos`
[INFO] [stdout] 43 | struct LogPos {
[INFO] [stdout]    |        ------ `LogPos` 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: 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/kvs.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                            ^----------
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            `Deserialize` is not local
[INFO] [stdout]    |                            move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_LogPos`
[INFO] [stdout] 43 | struct LogPos {
[INFO] [stdout]    |        ------ `LogPos` 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] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling oorandom v11.1.0
[INFO] [stderr]    Compiling bstr v0.2.10
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.45
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling criterion-plot v0.4.1
[INFO] [stderr]    Compiling tinytemplate v1.0.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling criterion v0.3.1
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/kvs.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: 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: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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/kvs.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: 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: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/lib.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: 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: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[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:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: 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: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> 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: field `dir` is never read
[INFO] [stdout]   --> src/kvs.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct KvsReader {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 25 |     dir: Arc<PathBuf>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KvsReader` 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/lib.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |          ^--------
[INFO] [stdout]    |          |
[INFO] [stdout]    |          `Serialize` is not local
[INFO] [stdout]    |          move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Request`
[INFO] [stdout] 17 | enum Request {
[INFO] [stdout]    |      ------- `Request` 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:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |                     ^----------
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     `Deserialize` is not local
[INFO] [stdout]    |                     move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Request`
[INFO] [stdout] 17 | enum Request {
[INFO] [stdout]    |      ------- `Request` 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: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/kvs.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                 ^--------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Serialize` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_LogPos`
[INFO] [stdout] 43 | struct LogPos {
[INFO] [stdout]    |        ------ `LogPos` 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: 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/kvs.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                            ^----------
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            `Deserialize` is not local
[INFO] [stdout]    |                            move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_LogPos`
[INFO] [stdout] 43 | struct LogPos {
[INFO] [stdout]    |        ------ `LogPos` 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.24s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.1
[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" "755fcc0a31c5a4fd50857f5870e7ad7f65618959dae6dfeda494495eedbebd80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "755fcc0a31c5a4fd50857f5870e7ad7f65618959dae6dfeda494495eedbebd80", kill_on_drop: false }`
[INFO] [stdout] 755fcc0a31c5a4fd50857f5870e7ad7f65618959dae6dfeda494495eedbebd80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2448e2730de0aaaf8644cbf59c7ff6707e79f9566fc91ed86eaad9004bf2a04e
[INFO] running `Command { std: "docker" "start" "-a" "2448e2730de0aaaf8644cbf59c7ff6707e79f9566fc91ed86eaad9004bf2a04e", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stderr]   --> src/kvs.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: no expected values for `feature`
[INFO] [stderr]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stderr]    = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stderr]    = help: 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] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr]    = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stderr]   --> src/kvs.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stderr]    |                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: no expected values for `feature`
[INFO] [stderr]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stderr]    = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stderr]    = help: 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] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stderr]   --> src/lib.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: no expected values for `feature`
[INFO] [stderr]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stderr]    = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stderr]    = help: 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] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stderr]   --> src/lib.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: no expected values for `feature`
[INFO] [stderr]    = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stderr]    = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stderr]    = help: 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] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field `dir` is never read
[INFO] [stderr]   --> src/kvs.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | struct KvsReader {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] 25 |     dir: Arc<PathBuf>,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `KvsReader` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stderr]   --> src/lib.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stderr]    |          ^--------
[INFO] [stderr]    |          |
[INFO] [stderr]    |          `Serialize` is not local
[INFO] [stderr]    |          move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Request`
[INFO] [stderr] 17 | enum Request {
[INFO] [stderr]    |      ------- `Request` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [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 `Serialize` (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/lib.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stderr]    |                     ^----------
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     `Deserialize` is not local
[INFO] [stderr]    |                     move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Request`
[INFO] [stderr] 17 | enum Request {
[INFO] [stderr]    |      ------- `Request` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [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 `Deserialize` (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/kvs.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stderr]    |                 ^--------
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 `Serialize` is not local
[INFO] [stderr]    |                 move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_LogPos`
[INFO] [stderr] 43 | struct LogPos {
[INFO] [stderr]    |        ------ `LogPos` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [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 `Serialize` (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/kvs.rs:42:28
[INFO] [stderr]    |
[INFO] [stderr] 42 | #[derive(Debug, Serialize, Deserialize)]
[INFO] [stderr]    |                            ^----------
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            `Deserialize` is not local
[INFO] [stderr]    |                            move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_LogPos`
[INFO] [stderr] 43 | struct LogPos {
[INFO] [stderr]    |        ------ `LogPos` is not local
[INFO] [stderr]    |
[INFO] [stderr]    = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stderr]    = 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] [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 `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `kvs` (lib) generated 9 warnings
[INFO] [stderr] warning: `kvs` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kvs-54f95e69877d127e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/kvs-client.rs (/opt/rustwide/target/debug/deps/kvs_client-46e5b48ef540222f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/kvs-server.rs (/opt/rustwide/target/debug/deps/kvs_server-78e1b407845e308f)
[INFO] [stderr]      Running tests/kv_store.rs (/opt/rustwide/target/debug/deps/kv_store-f8a8b5bf966dcbbe)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stderr] 
[INFO] [stderr] thread 'remove_non_existent_key' (34) panicked at /opt/rustwide/cargo-home/git/checkouts/crossbeam-1f6364e0f7f9e51e/ebecb82/crossbeam-skiplist/src/base.rs:767:33:
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice
[INFO] [stderr] 
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x63d43b6c0ab2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x63d43b6c0ab2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x63d43b6c0ab2 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x63d43b6c0ab2 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x63d43b6d5e8a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x63d43b6d5e8a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stderr]    6:     0x63d43b6c6a46 - std[716c9a7a72e5c14e]::io::default_write_fmt::<std[716c9a7a72e5c14e]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x63d43b6c6a46 - <std[716c9a7a72e5c14e]::sys::stdio::unix::Stderr as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x63d43b69ceef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x63d43b69ceef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x63d43b6b8051 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x63d43b57d87e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stderr]   12:     0x63d43b57d87e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x63d43b6b8242 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stderr]   14:     0x63d43b6b8242 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stderr]   15:     0x63d43b69cfda - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:691:13
[INFO] [stderr]   16:     0x63d43b6947d9 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   17:     0x63d43b69ddfd - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stderr]   18:     0x63d43b6d63bd - core[c5ed12ab89cc536a]::panicking::panic_nounwind_fmt::runtime
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x63d43b6d63bd - core[c5ed12ab89cc536a]::panicking::panic_nounwind_fmt
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/intrinsics/mod.rs:2431:9
[INFO] [stderr]   20:     0x63d43b55cb14 - <usize as core[c5ed12ab89cc536a]::slice::index::SliceIndex<[_]>>::get_unchecked::precondition_check
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x63d43b55cc59 - <usize as core[c5ed12ab89cc536a]::slice::index::SliceIndex<[crossbeam_epoch[8f676f4cc42d6e45]::atomic::Atomic<crossbeam_skiplist[d2e35608745b6588]::base::Node<u64, async_std[6c12bdc9b8efb76f]::fs::file::File>>]>>::get_unchecked
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x63d43b542d58 - <[crossbeam_epoch[8f676f4cc42d6e45]::atomic::Atomic<crossbeam_skiplist[d2e35608745b6588]::base::Node<u64, async_std[6c12bdc9b8efb76f]::fs::file::File>>]>::get_unchecked::<usize>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/slice/mod.rs:646:26
[INFO] [stderr]   23:     0x63d43b565bdd - <crossbeam_skiplist[d2e35608745b6588]::base::Tower<u64, async_std[6c12bdc9b8efb76f]::fs::file::File> as core[c5ed12ab89cc536a]::ops::index::Index<usize>>::index
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/crossbeam-1f6364e0f7f9e51e/ebecb82/crossbeam-skiplist/src/base.rs:40:32
[INFO] [stderr]   24:     0x63d43b561805 - <crossbeam_skiplist[d2e35608745b6588]::base::SkipList<u64, async_std[6c12bdc9b8efb76f]::fs::file::File>>::search_position::<u64>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/crossbeam-1f6364e0f7f9e51e/ebecb82/crossbeam-skiplist/src/base.rs:767:33
[INFO] [stderr]   25:     0x63d43b564d1e - <crossbeam_skiplist[d2e35608745b6588]::base::SkipList<u64, async_std[6c12bdc9b8efb76f]::fs::file::File>>::insert_internal
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/crossbeam-1f6364e0f7f9e51e/ebecb82/crossbeam-skiplist/src/base.rs:848:31
[INFO] [stderr]   26:     0x63d43b565a2a - <crossbeam_skiplist[d2e35608745b6588]::base::SkipList<u64, async_std[6c12bdc9b8efb76f]::fs::file::File>>::insert
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/crossbeam-1f6364e0f7f9e51e/ebecb82/crossbeam-skiplist/src/base.rs:1053:14
[INFO] [stderr]   27:     0x63d43b569e85 - <crossbeam_skiplist[d2e35608745b6588]::map::SkipMap<u64, async_std[6c12bdc9b8efb76f]::fs::file::File>>::insert
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/crossbeam-1f6364e0f7f9e51e/ebecb82/crossbeam-skiplist/src/map.rs:137:31
[INFO] [stderr]   28:     0x63d43b552d48 - <kvs[7ddbebb44589319f]::kvs::KvStore>::open::<&std[716c9a7a72e5c14e]::path::Path>::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/kvs.rs:70:21
[INFO] [stderr]   29:     0x63d43b53496c - kv_store[84805b21c195f26e]::remove_non_existent_key::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/kv_store.rs:74:52
[INFO] [stderr]   30:     0x63d43b53acca - async_std[6c12bdc9b8efb76f]::task::block_on::block_on::<kv_store[84805b21c195f26e]::remove_non_existent_key::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-std-1.4.0/src/task/block_on.rs:69:16
[INFO] [stderr]   31:     0x63d43b539208 - async_std[6c12bdc9b8efb76f]::task::block_on::run::<async_std[6c12bdc9b8efb76f]::task::block_on::block_on<kv_store[84805b21c195f26e]::remove_non_existent_key::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-std-1.4.0/src/task/block_on.rs:130:53
[INFO] [stderr]   32:     0x63d43b524130 - <std[716c9a7a72e5c14e]::thread::local::LocalKey<core[c5ed12ab89cc536a]::cell::Cell<core[c5ed12ab89cc536a]::option::Option<alloc[9c68fdf4f4f29218]::sync::Arc<crossbeam_utils[510d0f932ee8eeca]::sync::parker::Parker>>>>>::try_with::<async_std[6c12bdc9b8efb76f]::task::block_on::run<async_std[6c12bdc9b8efb76f]::task::block_on::block_on<kv_store[84805b21c195f26e]::remove_non_existent_key::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/local.rs:513:12
[INFO] [stderr]   33:     0x63d43b523812 - <std[716c9a7a72e5c14e]::thread::local::LocalKey<core[c5ed12ab89cc536a]::cell::Cell<core[c5ed12ab89cc536a]::option::Option<alloc[9c68fdf4f4f29218]::sync::Arc<crossbeam_utils[510d0f932ee8eeca]::sync::parker::Parker>>>>>::with::<async_std[6c12bdc9b8efb76f]::task::block_on::run<async_std[6c12bdc9b8efb76f]::task::block_on::block_on<kv_store[84805b21c195f26e]::remove_non_existent_key::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/local.rs:477:20
[INFO] [stderr]   34:     0x63d43b535655 - async_std[6c12bdc9b8efb76f]::task::block_on::run::<async_std[6c12bdc9b8efb76f]::task::block_on::block_on<kv_store[84805b21c195f26e]::remove_non_existent_key::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-std-1.4.0/src/task/block_on.rs:119:11
[INFO] [stderr]   35:     0x63d43b53ae7d - async_std[6c12bdc9b8efb76f]::task::block_on::block_on::<kv_store[84805b21c195f26e]::remove_non_existent_key::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#1}
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-std-1.4.0/src/task/block_on.rs:73:42
[INFO] [stderr]   36:     0x63d43b55c073 - <async_std[6c12bdc9b8efb76f]::task::task::Task>::set_current::<async_std[6c12bdc9b8efb76f]::task::block_on::block_on<kv_store[84805b21c195f26e]::remove_non_existent_key::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#1}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-std-1.4.0/src/task/task.rs:129:13
[INFO] [stderr]   37:     0x63d43b526cc9 - <std[716c9a7a72e5c14e]::thread::local::LocalKey<core[c5ed12ab89cc536a]::cell::Cell<*const async_std[6c12bdc9b8efb76f]::task::task::Task>>>::try_with::<<async_std[6c12bdc9b8efb76f]::task::task::Task>::set_current<async_std[6c12bdc9b8efb76f]::task::block_on::block_on<kv_store[84805b21c195f26e]::remove_non_existent_key::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#1}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/local.rs:513:12
[INFO] [stderr]   38:     0x63d43b52450c - <std[716c9a7a72e5c14e]::thread::local::LocalKey<core[c5ed12ab89cc536a]::cell::Cell<*const async_std[6c12bdc9b8efb76f]::task::task::Task>>>::with::<<async_std[6c12bdc9b8efb76f]::task::task::Task>::set_current<async_std[6c12bdc9b8efb76f]::task::block_on::block_on<kv_store[84805b21c195f26e]::remove_non_existent_key::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#1}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/local.rs:477:20
[INFO] [stderr]   39:     0x63d43b558c66 - <async_std[6c12bdc9b8efb76f]::task::task::Task>::set_current::<async_std[6c12bdc9b8efb76f]::task::block_on::block_on<kv_store[84805b21c195f26e]::remove_non_existent_key::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>::{closure#1}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-std-1.4.0/src/task/task.rs:124:17
[INFO] [stderr]   40:     0x63d43b5378d3 - async_std[6c12bdc9b8efb76f]::task::block_on::block_on::<kv_store[84805b21c195f26e]::remove_non_existent_key::{closure#0}, core[c5ed12ab89cc536a]::result::Result<(), kvs[7ddbebb44589319f]::KvsError>>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-std-1.4.0/src/task/block_on.rs:73:14
[INFO] [stderr]   41:     0x63d43b534f1e - kv_store[84805b21c195f26e]::remove_non_existent_key
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/kv_store.rs:72:5
[INFO] [stderr]   42:     0x63d43b52b81d - kv_store[84805b21c195f26e]::remove_non_existent_key::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/kv_store.rs:71:33
[INFO] [stderr]   43:     0x63d43b5233d6 - <kv_store[84805b21c195f26e]::remove_non_existent_key::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   44:     0x63d43b571c2b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   45:     0x63d43b571c2b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stderr]   46:     0x63d43b57e48a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stderr]   47:     0x63d43b57e48a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   48:     0x63d43b57e48a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stderr]   49:     0x63d43b57e48a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stderr]   50:     0x63d43b57e48a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stderr]   51:     0x63d43b57e48a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stderr]   52:     0x63d43b57e48a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stderr]   53:     0x63d43b578954 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stderr]   54:     0x63d43b578954 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   55:     0x63d43b580f82 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stderr]   56:     0x63d43b580f82 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   57:     0x63d43b580f82 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stderr]   58:     0x63d43b580f82 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stderr]   59:     0x63d43b580f82 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stderr]   60:     0x63d43b580f82 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stderr]   61:     0x63d43b580f82 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   62:     0x63d43b6c032f - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stderr]   63:     0x63d43b6c032f - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stderr]   64:     0x769c4ec8eaa4 - <unknown>
[INFO] [stderr]   65:     0x769c4ed1ba64 - clone
[INFO] [stderr]   66:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--test kv_store`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/kv_store-f8a8b5bf966dcbbe` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "2448e2730de0aaaf8644cbf59c7ff6707e79f9566fc91ed86eaad9004bf2a04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2448e2730de0aaaf8644cbf59c7ff6707e79f9566fc91ed86eaad9004bf2a04e", kill_on_drop: false }`
[INFO] [stdout] 2448e2730de0aaaf8644cbf59c7ff6707e79f9566fc91ed86eaad9004bf2a04e
