[INFO] fetching crate fall 0.1.2... [INFO] testing fall-0.1.2 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate fall 0.1.2 into /workspace/builds/worker-29/source [INFO] validating manifest of crates.io crate fall 0.1.2 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fall 0.1.2 [INFO] finished tweaking crates.io crate fall 0.1.2 [INFO] tweaked toml for crates.io crate fall 0.1.2 written to /workspace/builds/worker-29/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded docopt v1.1.1 [INFO] [stderr] Downloaded ascii-canvas v1.0.0 [INFO] [stderr] Downloaded lalrpop-util v0.16.3 [INFO] [stderr] Downloaded ena v0.11.0 [INFO] [stderr] Downloaded lalrpop v0.16.3 [INFO] [stderr] Downloaded frunk v0.2.4 [INFO] [stderr] Downloaded frunk_proc_macro_helpers v0.0.2 [INFO] [stderr] Downloaded frunk_proc_macros v0.0.2 [INFO] [stderr] Downloaded frunk_proc_macros_impl v0.0.2 [INFO] [stderr] Downloaded frunk_derives v0.2.4 [INFO] [stderr] Downloaded frunk_core v0.2.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d6375121816313eef7ca31ce179bf7ab56f4c94aab806cc5e1e2c668e4675a3d [INFO] running `Command { std: "docker" "start" "-a" "d6375121816313eef7ca31ce179bf7ab56f4c94aab806cc5e1e2c668e4675a3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6375121816313eef7ca31ce179bf7ab56f4c94aab806cc5e1e2c668e4675a3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6375121816313eef7ca31ce179bf7ab56f4c94aab806cc5e1e2c668e4675a3d", kill_on_drop: false }` [INFO] [stdout] d6375121816313eef7ca31ce179bf7ab56f4c94aab806cc5e1e2c668e4675a3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d3aae5ad7a3d859dee461df8083b82db9c4210879f4eed45188d52efb434c65 [INFO] running `Command { std: "docker" "start" "-a" "4d3aae5ad7a3d859dee461df8083b82db9c4210879f4eed45188d52efb434c65", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling frunk_core v0.2.4 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling lalrpop-util v0.16.3 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling addr2line v0.17.0 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling backtrace v0.3.64 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling ena v0.11.0 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling frunk_proc_macro_helpers v0.0.2 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling frunk_proc_macros_impl v0.0.2 [INFO] [stderr] Compiling frunk_derives v0.2.4 [INFO] [stderr] Compiling frunk_proc_macros v0.0.2 [INFO] [stderr] Compiling frunk v0.2.4 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling docopt v1.1.1 [INFO] [stderr] Compiling lalrpop v0.16.3 [INFO] [stderr] Compiling fall v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4966:5 [INFO] [stdout] | [INFO] [stdout] 4966 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4966 - (__0) [INFO] [stdout] 4966 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4977:5 [INFO] [stdout] | [INFO] [stdout] 4977 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4977 - (__0) [INFO] [stdout] 4977 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4988:5 [INFO] [stdout] | [INFO] [stdout] 4988 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4988 - (__0) [INFO] [stdout] 4988 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4999:5 [INFO] [stdout] | [INFO] [stdout] 4999 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4999 - (__0) [INFO] [stdout] 4999 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/eval.rs:69:14 [INFO] [stdout] | [INFO] [stdout] 69 | ) -> Box + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 69 - ) -> Box + Send> { [INFO] [stdout] 69 + ) -> Box + Send> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/eval.rs:90:14 [INFO] [stdout] | [INFO] [stdout] 90 | ) -> Box + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 90 - ) -> Box + Send> { [INFO] [stdout] 90 + ) -> Box + Send> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/util.rs:10:46 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn box_stream(stream: S) -> Box + Send> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 10 - pub fn box_stream(stream: S) -> Box + Send> [INFO] [stdout] 10 + pub fn box_stream(stream: S) -> Box + Send> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.87s [INFO] running `Command { std: "docker" "inspect" "4d3aae5ad7a3d859dee461df8083b82db9c4210879f4eed45188d52efb434c65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d3aae5ad7a3d859dee461df8083b82db9c4210879f4eed45188d52efb434c65", kill_on_drop: false }` [INFO] [stdout] 4d3aae5ad7a3d859dee461df8083b82db9c4210879f4eed45188d52efb434c65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aee2d19e8c92b2e4d8e24800fa77ed7b6951f66f35b72c5feca75d774787ef9f [INFO] running `Command { std: "docker" "start" "-a" "aee2d19e8c92b2e4d8e24800fa77ed7b6951f66f35b72c5feca75d774787ef9f", kill_on_drop: false }` [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4966:5 [INFO] [stdout] | [INFO] [stdout] 4966 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4966 - (__0) [INFO] [stdout] 4966 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4977:5 [INFO] [stdout] | [INFO] [stdout] 4977 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4977 - (__0) [INFO] [stdout] 4977 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4988:5 [INFO] [stdout] | [INFO] [stdout] 4988 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4988 - (__0) [INFO] [stdout] 4988 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4999:5 [INFO] [stdout] | [INFO] [stdout] 4999 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4999 - (__0) [INFO] [stdout] 4999 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/eval.rs:69:14 [INFO] [stdout] | [INFO] [stdout] 69 | ) -> Box + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 69 - ) -> Box + Send> { [INFO] [stdout] 69 + ) -> Box + Send> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/eval.rs:90:14 [INFO] [stdout] | [INFO] [stdout] 90 | ) -> Box + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 90 - ) -> Box + Send> { [INFO] [stdout] 90 + ) -> Box + Send> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling fall v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/util.rs:10:46 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn box_stream(stream: S) -> Box + Send> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 10 - pub fn box_stream(stream: S) -> Box + Send> [INFO] [stdout] 10 + pub fn box_stream(stream: S) -> Box + Send> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4966:5 [INFO] [stdout] | [INFO] [stdout] 4966 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4966 - (__0) [INFO] [stdout] 4966 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4977:5 [INFO] [stdout] | [INFO] [stdout] 4977 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4977 - (__0) [INFO] [stdout] 4977 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4988:5 [INFO] [stdout] | [INFO] [stdout] 4988 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4988 - (__0) [INFO] [stdout] 4988 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4999:5 [INFO] [stdout] | [INFO] [stdout] 4999 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 4999 - (__0) [INFO] [stdout] 4999 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/eval.rs:69:14 [INFO] [stdout] | [INFO] [stdout] 69 | ) -> Box + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 69 - ) -> Box + Send> { [INFO] [stdout] 69 + ) -> Box + Send> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/eval.rs:90:14 [INFO] [stdout] | [INFO] [stdout] 90 | ) -> Box + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 90 - ) -> Box + Send> { [INFO] [stdout] 90 + ) -> Box + Send> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/util.rs:10:46 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn box_stream(stream: S) -> Box + Send> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 10 - pub fn box_stream(stream: S) -> Box + Send> [INFO] [stdout] 10 + pub fn box_stream(stream: S) -> Box + Send> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.39s [INFO] running `Command { std: "docker" "inspect" "aee2d19e8c92b2e4d8e24800fa77ed7b6951f66f35b72c5feca75d774787ef9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aee2d19e8c92b2e4d8e24800fa77ed7b6951f66f35b72c5feca75d774787ef9f", kill_on_drop: false }` [INFO] [stdout] aee2d19e8c92b2e4d8e24800fa77ed7b6951f66f35b72c5feca75d774787ef9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 342e9524bc80907182e67e87e0dc45a6af45bfa4ef665e86de047f3ea0ec494d [INFO] running `Command { std: "docker" "start" "-a" "342e9524bc80907182e67e87e0dc45a6af45bfa4ef665e86de047f3ea0ec494d", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4966:5 [INFO] [stderr] | [INFO] [stderr] 4966 | (__0) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 4966 - (__0) [INFO] [stderr] 4966 + __0 [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4977:5 [INFO] [stderr] | [INFO] [stderr] 4977 | (__0) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 4977 - (__0) [INFO] [stderr] 4977 + __0 [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4988:5 [INFO] [stderr] | [INFO] [stderr] 4988 | (__0) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 4988 - (__0) [INFO] [stderr] 4988 + __0 [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4999:5 [INFO] [stderr] | [INFO] [stderr] 4999 | (__0) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 4999 - (__0) [INFO] [stderr] 4999 + __0 [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/eval.rs:69:14 [INFO] [stderr] | [INFO] [stderr] 69 | ) -> Box + Send> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 69 - ) -> Box + Send> { [INFO] [stderr] 69 + ) -> Box + Send> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/eval.rs:90:14 [INFO] [stderr] | [INFO] [stderr] 90 | ) -> Box + Send> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 90 - ) -> Box + Send> { [INFO] [stderr] 90 + ) -> Box + Send> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/util.rs:10:46 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn box_stream(stream: S) -> Box + Send> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 10 - pub fn box_stream(stream: S) -> Box + Send> [INFO] [stderr] 10 + pub fn box_stream(stream: S) -> Box + Send> [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `fall` (lib) generated 7 warnings [INFO] [stderr] warning: `fall` (lib test) generated 7 warnings (7 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/fall-a3cf0c52036c2042) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::execution ... ok [INFO] [stdout] test tests::parse_terms ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] Doc-tests fall [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4966:5 [INFO] [stderr] | [INFO] [stderr] 4966 | (__0) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 4966 - (__0) [INFO] [stderr] 4966 + __0 [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4977:5 [INFO] [stderr] | [INFO] [stderr] 4977 | (__0) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 4977 - (__0) [INFO] [stderr] 4977 + __0 [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4988:5 [INFO] [stderr] | [INFO] [stderr] 4988 | (__0) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 4988 - (__0) [INFO] [stderr] 4988 + __0 [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/fall-5d3e8ab75c34c99b/out/grammar.rs:4999:5 [INFO] [stderr] | [INFO] [stderr] 4999 | (__0) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 4999 - (__0) [INFO] [stderr] 4999 + __0 [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [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" "342e9524bc80907182e67e87e0dc45a6af45bfa4ef665e86de047f3ea0ec494d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "342e9524bc80907182e67e87e0dc45a6af45bfa4ef665e86de047f3ea0ec494d", kill_on_drop: false }` [INFO] [stdout] 342e9524bc80907182e67e87e0dc45a6af45bfa4ef665e86de047f3ea0ec494d