[INFO] fetching crate oprec 0.1.0... [INFO] testing oprec-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] extracting crate oprec 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate oprec 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate oprec 0.1.0 [INFO] finished tweaking crates.io crate oprec 0.1.0 [INFO] tweaked toml for crates.io crate oprec 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4bcf6c7269ed7e4b3820f194a274e256f404a59bbf587aaa8b521bcd4241c6c8 [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" "4bcf6c7269ed7e4b3820f194a274e256f404a59bbf587aaa8b521bcd4241c6c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4bcf6c7269ed7e4b3820f194a274e256f404a59bbf587aaa8b521bcd4241c6c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bcf6c7269ed7e4b3820f194a274e256f404a59bbf587aaa8b521bcd4241c6c8", kill_on_drop: false }` [INFO] [stdout] 4bcf6c7269ed7e4b3820f194a274e256f404a59bbf587aaa8b521bcd4241c6c8 [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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", 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] b9bb7bea8fd6b43b494dae01143f14e473fe26038db6f71c1f8bc5b52f986a09 [INFO] running `Command { std: "docker" "start" "-a" "b9bb7bea8fd6b43b494dae01143f14e473fe26038db6f71c1f8bc5b52f986a09", kill_on_drop: false }` [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling oprec v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:240:34 [INFO] [stdout] | [INFO] [stdout] 240 | pub fn functify(self) -> Box) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HashMap) -> Result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:69:55 [INFO] [stdout] | [INFO] [stdout] 69 | fn is_oprec_method(g: &Ops) -> Result f64>, Ops> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64` [INFO] [stdout] ... [INFO] [stdout] 331 | / impl_oprec_method!( [INFO] [stdout] 332 | | (sin, Sin), (cos, Cos), (tan, Tan), [INFO] [stdout] 333 | | (asin, Asin), (acos, Acos), (atan, Atan), [INFO] [stdout] 334 | | (sinh, Sinh), (cosh, Cosh), (tanh, Tanh), [INFO] [stdout] ... | [INFO] [stdout] 337 | | (exp, Exp), (ln, Ln), (abs, Abs) [INFO] [stdout] 338 | | ); [INFO] [stdout] | |__- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] = note: this warning originates in the macro `impl_oprec_method_intermediate` (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/lib.rs:340:63 [INFO] [stdout] | [INFO] [stdout] 340 | fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HashMap) -> Result` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:352:59 [INFO] [stdout] | [INFO] [stdout] 352 | fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box) -> f64> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HashMap) -> f64` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.41s [INFO] running `Command { std: "docker" "inspect" "b9bb7bea8fd6b43b494dae01143f14e473fe26038db6f71c1f8bc5b52f986a09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9bb7bea8fd6b43b494dae01143f14e473fe26038db6f71c1f8bc5b52f986a09", kill_on_drop: false }` [INFO] [stdout] b9bb7bea8fd6b43b494dae01143f14e473fe26038db6f71c1f8bc5b52f986a09 [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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c25a10d3568d00fe94752ffb16e649fad8985b3831bcf57c948303b969d747d7 [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" "c25a10d3568d00fe94752ffb16e649fad8985b3831bcf57c948303b969d747d7", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:240:34 [INFO] [stdout] | [INFO] [stdout] 240 | pub fn functify(self) -> Box) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HashMap) -> Result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:69:55 [INFO] [stdout] | [INFO] [stdout] 69 | fn is_oprec_method(g: &Ops) -> Result f64>, Ops> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64` [INFO] [stdout] ... [INFO] [stdout] 331 | / impl_oprec_method!( [INFO] [stdout] 332 | | (sin, Sin), (cos, Cos), (tan, Tan), [INFO] [stdout] 333 | | (asin, Asin), (acos, Acos), (atan, Atan), [INFO] [stdout] 334 | | (sinh, Sinh), (cosh, Cosh), (tanh, Tanh), [INFO] [stdout] ... | [INFO] [stdout] 337 | | (exp, Exp), (ln, Ln), (abs, Abs) [INFO] [stdout] 338 | | ); [INFO] [stdout] | |__- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] = note: this warning originates in the macro `impl_oprec_method_intermediate` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling oprec v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:340:63 [INFO] [stdout] | [INFO] [stdout] 340 | fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HashMap) -> Result` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:352:59 [INFO] [stdout] | [INFO] [stdout] 352 | fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box) -> f64> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HashMap) -> f64` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:240:34 [INFO] [stdout] | [INFO] [stdout] 240 | pub fn functify(self) -> Box) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HashMap) -> Result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:69:55 [INFO] [stdout] | [INFO] [stdout] 69 | fn is_oprec_method(g: &Ops) -> Result f64>, Ops> { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64` [INFO] [stdout] ... [INFO] [stdout] 331 | / impl_oprec_method!( [INFO] [stdout] 332 | | (sin, Sin), (cos, Cos), (tan, Tan), [INFO] [stdout] 333 | | (asin, Asin), (acos, Acos), (atan, Atan), [INFO] [stdout] 334 | | (sinh, Sinh), (cosh, Cosh), (tanh, Tanh), [INFO] [stdout] ... | [INFO] [stdout] 337 | | (exp, Exp), (ln, Ln), (abs, Abs) [INFO] [stdout] 338 | | ); [INFO] [stdout] | |__- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] = note: this warning originates in the macro `impl_oprec_method_intermediate` (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/lib.rs:340:63 [INFO] [stdout] | [INFO] [stdout] 340 | fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HashMap) -> Result` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:352:59 [INFO] [stdout] | [INFO] [stdout] 352 | fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box) -> f64> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HashMap) -> f64` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `Command { std: "docker" "inspect" "c25a10d3568d00fe94752ffb16e649fad8985b3831bcf57c948303b969d747d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c25a10d3568d00fe94752ffb16e649fad8985b3831bcf57c948303b969d747d7", kill_on_drop: false }` [INFO] [stdout] c25a10d3568d00fe94752ffb16e649fad8985b3831bcf57c948303b969d747d7 [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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7c9b1e65db7e4411f4443ec32bed0f44d06f67a00278a59c105ab3660f5d5812 [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" "7c9b1e65db7e4411f4443ec32bed0f44d06f67a00278a59c105ab3660f5d5812", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/lib.rs:240:34 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 240 | pub fn functify(self) -> Box) -> Result> { [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HashMap) -> Result` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:69:55 [INFO] [stderr] | [INFO] [stderr] 69 | fn is_oprec_method(g: &Ops) -> Result f64>, Ops> { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64` [INFO] [stderr] ... [INFO] [stderr] 331 | / impl_oprec_method!( [INFO] [stderr] 332 | | (sin, Sin), (cos, Cos), (tan, Tan), [INFO] [stderr] 333 | | (asin, Asin), (acos, Acos), (atan, Atan), [INFO] [stderr] 334 | | (sinh, Sinh), (cosh, Cosh), (tanh, Tanh), [INFO] [stderr] ... | [INFO] [stderr] 337 | | (exp, Exp), (ln, Ln), (abs, Abs) [INFO] [stderr] 338 | | ); [INFO] [stderr] | |__- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] = note: this warning originates in the macro `impl_oprec_method_intermediate` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:340:63 [INFO] [stderr] | [INFO] [stderr] 340 | fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box) -> Result> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HashMap) -> Result` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:352:59 [INFO] [stderr] | [INFO] [stderr] 352 | fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box) -> f64> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(HashMap) -> f64` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: `oprec` (lib) generated 4 warnings [INFO] [stderr] warning: `oprec` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/oprec-0e7e0565406ed823) [INFO] [stderr] Doc-tests oprec [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" "7c9b1e65db7e4411f4443ec32bed0f44d06f67a00278a59c105ab3660f5d5812", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c9b1e65db7e4411f4443ec32bed0f44d06f67a00278a59c105ab3660f5d5812", kill_on_drop: false }` [INFO] [stdout] 7c9b1e65db7e4411f4443ec32bed0f44d06f67a00278a59c105ab3660f5d5812