[INFO] fetching crate pmemkv 0.1.3-alpha.0... [INFO] testing pmemkv-0.1.3-alpha.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate pmemkv 0.1.3-alpha.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate pmemkv 0.1.3-alpha.0 [INFO] finished tweaking crates.io crate pmemkv 0.1.3-alpha.0 [INFO] tweaked toml for crates.io crate pmemkv 0.1.3-alpha.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate pmemkv 0.1.3-alpha.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--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] Locking 65 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pmemkv-sys v0.1.0-alpha.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c3753e0ff563506d76864aba91b38c2707b26042752da115c28e18d375c2054 [INFO] running `Command { std: "docker" "start" "-a" "3c3753e0ff563506d76864aba91b38c2707b26042752da115c28e18d375c2054", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c3753e0ff563506d76864aba91b38c2707b26042752da115c28e18d375c2054", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c3753e0ff563506d76864aba91b38c2707b26042752da115c28e18d375c2054", kill_on_drop: false }` [INFO] [stdout] 3c3753e0ff563506d76864aba91b38c2707b26042752da115c28e18d375c2054 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 369edaacab94273b7a06a6494ba4005318035e93604ccb857ba10d8b3ebb6d38 [INFO] running `Command { std: "docker" "start" "-a" "369edaacab94273b7a06a6494ba4005318035e93604ccb857ba10d8b3ebb6d38", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Compiling glob v0.3.2 [INFO] [stderr] Compiling adler2 v2.0.1 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling gimli v0.31.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling rustc-demangle v0.1.25 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling unicode-width v0.1.14 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling bindgen v0.49.4 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling addr2line v0.24.2 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling backtrace v0.3.75 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling pmemkv-sys v0.1.0-alpha.0 [INFO] [stderr] Compiling pmemkv v0.1.3-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] error: expected non-macro attribute, found attribute macro `derive` [INFO] [stdout] --> src/lib.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 10 | #[derive(partial_eq)] [INFO] [stdout] | ^^^^^^ not a non-macro attribute [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected non-macro attribute, found attribute macro `derive` [INFO] [stdout] --> src/lib.rs:15:15 [INFO] [stdout] | [INFO] [stdout] 15 | #[derive(partial_eq)] [INFO] [stdout] | ^^^^^^ not a non-macro attribute [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | / error_chain! { [INFO] [stdout] 9 | | errors { [INFO] [stdout] 10 | | #[derive(partial_eq)] [INFO] [stdout] 11 | | NotFound(v: String) { [INFO] [stdout] ... | [INFO] [stdout] 22 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the macro `impl_error_chain_processed` may come from an old version of the `error_chain` crate, try updating your dependency with `cargo update -p error_chain` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:19:15 [INFO] [stdout] | [INFO] [stdout] 19 | type EachFn = Fn(&[c_char], &[c_char]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 19 | type EachFn = dyn Fn(&[c_char], &[c_char]); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:20:16 [INFO] [stdout] | [INFO] [stdout] 20 | type StartFn = Fn(*const c_char, *const c_char, *const c_char); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 20 | type StartFn = dyn Fn(*const c_char, *const c_char, *const c_char); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:21:22 [INFO] [stdout] | [INFO] [stdout] 21 | type StartStringFn = Fn(&str, &str, &str); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 | type StartStringFn = dyn Fn(&str, &str, &str); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:27:24 [INFO] [stdout] | [INFO] [stdout] 27 | let opt_closure: &&Fn(&[c_char]) = [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 27 | let opt_closure: &&dyn Fn(&[c_char]) = [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:37:24 [INFO] [stdout] | [INFO] [stdout] 37 | let opt_closure: &&Fn(&str) = unsafe { &*(closure as *const &dyn std::ops::Fn(&str)) }; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 37 | let opt_closure: &&dyn Fn(&str) = unsafe { &*(closure as *const &dyn std::ops::Fn(&str)) }; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:104:24 [INFO] [stdout] | [INFO] [stdout] 104 | let opt_closure: &&Fn(&str, &str) = [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 104 | let opt_closure: &&dyn Fn(&str, &str) = [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:225:30 [INFO] [stdout] | [INFO] [stdout] 225 | let mut cb: &Fn(&[c_char]) = &f; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 225 | let mut cb: &dyn Fn(&[c_char]) = &f; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:255:30 [INFO] [stdout] | [INFO] [stdout] 255 | let mut cb: &Fn(&str) = &f; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 255 | let mut cb: &dyn Fn(&str) = &f; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:341:30 [INFO] [stdout] | [INFO] [stdout] 341 | let mut cb: &Fn(&str, &str) = &f; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 341 | let mut cb: &dyn Fn(&str, &str) = &f; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:391:30 [INFO] [stdout] | [INFO] [stdout] 391 | let mut cb: &Fn(&str, &str) = &f; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 391 | let mut cb: &dyn Fn(&str, &str) = &f; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:452:30 [INFO] [stdout] | [INFO] [stdout] 452 | let mut cb: &Fn(&str, &str) = &f; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 452 | let mut cb: &dyn Fn(&str, &str) = &f; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:519:30 [INFO] [stdout] | [INFO] [stdout] 519 | let mut cb: &Fn(&str, &str) = &f; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 519 | let mut cb: &dyn Fn(&str, &str) = &f; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:598:30 [INFO] [stdout] | [INFO] [stdout] 598 | let mut cb: &Fn(&str) = &f; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 598 | let mut cb: &dyn Fn(&str) = &f; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:618:34 [INFO] [stdout] | [INFO] [stdout] 618 | let mut cb: &Fn(&[c_char]) = &f; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 618 | let mut cb: &dyn Fn(&[c_char]) = &f; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:653:34 [INFO] [stdout] | [INFO] [stdout] 653 | let mut cb: &Fn(&str) = &f; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 653 | let mut cb: &dyn Fn(&str) = &f; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:688:34 [INFO] [stdout] | [INFO] [stdout] 688 | let mut cb: &Fn(&[c_char]) = &f; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 688 | let mut cb: &dyn Fn(&[c_char]) = &f; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:723:34 [INFO] [stdout] | [INFO] [stdout] 723 | let mut cb: &Fn(&str) = &f; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 723 | let mut cb: &dyn Fn(&str) = &f; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:759:34 [INFO] [stdout] | [INFO] [stdout] 759 | let mut cb: &Fn(&[c_char]) = &f; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 759 | let mut cb: &dyn Fn(&[c_char]) = &f; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/kvengine.rs:804:34 [INFO] [stdout] | [INFO] [stdout] 804 | let mut cb: &Fn(&str) = &f; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 804 | let mut cb: &dyn Fn(&str) = &f; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pmemkv` (lib) due to 2 previous errors; 20 warnings emitted [INFO] running `Command { std: "docker" "inspect" "369edaacab94273b7a06a6494ba4005318035e93604ccb857ba10d8b3ebb6d38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "369edaacab94273b7a06a6494ba4005318035e93604ccb857ba10d8b3ebb6d38", kill_on_drop: false }` [INFO] [stdout] 369edaacab94273b7a06a6494ba4005318035e93604ccb857ba10d8b3ebb6d38