[INFO] fetching crate map_reduce_omri 0.1.2... [INFO] testing map_reduce_omri-0.1.2 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate map_reduce_omri 0.1.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate map_reduce_omri 0.1.2 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate map_reduce_omri 0.1.2 [INFO] finished tweaking crates.io crate map_reduce_omri 0.1.2 [INFO] tweaked toml for crates.io crate map_reduce_omri 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f98a6a4f2b674a2d6369a761d87f2f3439d74e3dff6aa35cab89aa5668763df4 [INFO] running `Command { std: "docker" "start" "-a" "f98a6a4f2b674a2d6369a761d87f2f3439d74e3dff6aa35cab89aa5668763df4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f98a6a4f2b674a2d6369a761d87f2f3439d74e3dff6aa35cab89aa5668763df4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f98a6a4f2b674a2d6369a761d87f2f3439d74e3dff6aa35cab89aa5668763df4", kill_on_drop: false }` [INFO] [stdout] f98a6a4f2b674a2d6369a761d87f2f3439d74e3dff6aa35cab89aa5668763df4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c6d808aa8b4710357010200db0d60efa4087530ea3d2070e25de85b92689222 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8c6d808aa8b4710357010200db0d60efa4087530ea3d2070e25de85b92689222", kill_on_drop: false }` [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling simplelog v0.5.3 [INFO] [stderr] Compiling map_reduce_omri v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:28:84 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn run_map_reduce_framework(map: fn(K1, V1, emit: &mut FnMut(K2, V2)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:29:88 [INFO] [stdout] | [INFO] [stdout] 29 | ... reduce: fn(K2, Vec, emit: &mut FnMut(K3, V3)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:59:70 [INFO] [stdout] | [INFO] [stdout] 59 | ... reduce: fn(K2, Vec, emit: &mut FnMut(K3, V3)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:108:59 [INFO] [stdout] | [INFO] [stdout] 108 | fn execute_map(map: fn(K1, V1, emit: &mut FnMut(K2, V2)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:198:67 [INFO] [stdout] | [INFO] [stdout] 198 | fn map_worker_function(map: fn(K1, V1, emit: &mut FnMut(K2, V2)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:232:78 [INFO] [stdout] | [INFO] [stdout] 232 | fn reduce_worker_function(reduce: fn(K2, Vec, emit: &mut FnMut(K3, V3)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)` [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] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.43s [INFO] running `Command { std: "docker" "inspect" "8c6d808aa8b4710357010200db0d60efa4087530ea3d2070e25de85b92689222", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c6d808aa8b4710357010200db0d60efa4087530ea3d2070e25de85b92689222", kill_on_drop: false }` [INFO] [stdout] 8c6d808aa8b4710357010200db0d60efa4087530ea3d2070e25de85b92689222 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fdc98c7c38e639652bca79323d7d2238fcdbbbe1a7962e2ca70d55a7d5c57014 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fdc98c7c38e639652bca79323d7d2238fcdbbbe1a7962e2ca70d55a7d5c57014", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:28:84 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn run_map_reduce_framework(map: fn(K1, V1, emit: &mut FnMut(K2, V2)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:29:88 [INFO] [stdout] | [INFO] [stdout] 29 | ... reduce: fn(K2, Vec, emit: &mut FnMut(K3, V3)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:59:70 [INFO] [stdout] | [INFO] [stdout] 59 | ... reduce: fn(K2, Vec, emit: &mut FnMut(K3, V3)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:108:59 [INFO] [stdout] | [INFO] [stdout] 108 | fn execute_map(map: fn(K1, V1, emit: &mut FnMut(K2, V2)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:198:67 [INFO] [stdout] | [INFO] [stdout] 198 | fn map_worker_function(map: fn(K1, V1, emit: &mut FnMut(K2, V2)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)` [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] [INFO] [stdout] [INFO] [stderr] Compiling map_reduce_omri v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:232:78 [INFO] [stdout] | [INFO] [stdout] 232 | fn reduce_worker_function(reduce: fn(K2, Vec, emit: &mut FnMut(K3, V3)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)` [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] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:28:84 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn run_map_reduce_framework(map: fn(K1, V1, emit: &mut FnMut(K2, V2)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:29:88 [INFO] [stdout] | [INFO] [stdout] 29 | ... reduce: fn(K2, Vec, emit: &mut FnMut(K3, V3)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:59:70 [INFO] [stdout] | [INFO] [stdout] 59 | ... reduce: fn(K2, Vec, emit: &mut FnMut(K3, V3)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:108:59 [INFO] [stdout] | [INFO] [stdout] 108 | fn execute_map(map: fn(K1, V1, emit: &mut FnMut(K2, V2)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:198:67 [INFO] [stdout] | [INFO] [stdout] 198 | fn map_worker_function(map: fn(K1, V1, emit: &mut FnMut(K2, V2)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:232:78 [INFO] [stdout] | [INFO] [stdout] 232 | fn reduce_worker_function(reduce: fn(K2, Vec, emit: &mut FnMut(K3, V3)), [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)` [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] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "fdc98c7c38e639652bca79323d7d2238fcdbbbe1a7962e2ca70d55a7d5c57014", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdc98c7c38e639652bca79323d7d2238fcdbbbe1a7962e2ca70d55a7d5c57014", kill_on_drop: false }` [INFO] [stdout] fdc98c7c38e639652bca79323d7d2238fcdbbbe1a7962e2ca70d55a7d5c57014 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8b2376cd42b6a7337fed0b83d8c220376320e63bafc81e319b7e28540372d2b2 [INFO] running `Command { std: "docker" "start" "-a" "8b2376cd42b6a7337fed0b83d8c220376320e63bafc81e319b7e28540372d2b2", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:28:84 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn run_map_reduce_framework(map: fn(K1, V1, emit: &mut FnMut(K2, V2)), [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:29:88 [INFO] [stderr] | [INFO] [stderr] 29 | ... reduce: fn(K2, Vec, emit: &mut FnMut(K3, V3)), [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:59:70 [INFO] [stderr] | [INFO] [stderr] 59 | ... reduce: fn(K2, Vec, emit: &mut FnMut(K3, V3)), [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:108:59 [INFO] [stderr] | [INFO] [stderr] 108 | fn execute_map(map: fn(K1, V1, emit: &mut FnMut(K2, V2)), [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:198:67 [INFO] [stderr] | [INFO] [stderr] 198 | fn map_worker_function(map: fn(K1, V1, emit: &mut FnMut(K2, V2)), [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K2, V2)` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:232:78 [INFO] [stderr] | [INFO] [stderr] 232 | fn reduce_worker_function(reduce: fn(K2, Vec, emit: &mut FnMut(K3, V3)), [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(K3, V3)` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `map_reduce_omri` (lib) generated 6 warnings [INFO] [stderr] warning: `map_reduce_omri` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/map_reduce_omri-bbd9c741a3456358) [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] Doc-tests map_reduce_omri [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] running `Command { std: "docker" "inspect" "8b2376cd42b6a7337fed0b83d8c220376320e63bafc81e319b7e28540372d2b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b2376cd42b6a7337fed0b83d8c220376320e63bafc81e319b7e28540372d2b2", kill_on_drop: false }` [INFO] [stdout] 8b2376cd42b6a7337fed0b83d8c220376320e63bafc81e319b7e28540372d2b2