[INFO] fetching crate fall 0.1.2... [INFO] checking fall-0.1.2 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] extracting crate fall 0.1.2 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate fall 0.1.2 on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "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-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 982d2b9ab9bb77776aad00375e8cd8f15895f3e2caf15bbf5666539f8ec22498 [INFO] running `Command { std: "docker" "start" "-a" "982d2b9ab9bb77776aad00375e8cd8f15895f3e2caf15bbf5666539f8ec22498", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "982d2b9ab9bb77776aad00375e8cd8f15895f3e2caf15bbf5666539f8ec22498", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "982d2b9ab9bb77776aad00375e8cd8f15895f3e2caf15bbf5666539f8ec22498", kill_on_drop: false }` [INFO] [stdout] 982d2b9ab9bb77776aad00375e8cd8f15895f3e2caf15bbf5666539f8ec22498 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 230cc55ca4588637fa7ef6ddf7c7f091c1b9509d553d4a1a61d46603ee5c5911 [INFO] running `Command { std: "docker" "start" "-a" "230cc55ca4588637fa7ef6ddf7c7f091c1b9509d553d4a1a61d46603ee5c5911", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Compiling frunk_core v0.2.4 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling ena v0.11.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Checking gimli v0.28.0 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling lalrpop-util v0.16.3 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Checking object v0.32.1 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling frunk_proc_macro_helpers v0.0.2 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling frunk_proc_macros_impl v0.0.2 [INFO] [stderr] Compiling frunk_derives v0.2.4 [INFO] [stderr] Compiling docopt v1.1.1 [INFO] [stderr] Checking frunk_proc_macros v0.0.2 [INFO] [stderr] Checking frunk v0.2.4 [INFO] [stderr] Compiling lalrpop v0.16.3 [INFO] [stderr] Checking failure v0.1.8 [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-617c62fc9a48d981/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-617c62fc9a48d981/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-617c62fc9a48d981/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-617c62fc9a48d981/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-617c62fc9a48d981/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-617c62fc9a48d981/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-617c62fc9a48d981/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: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fall-617c62fc9a48d981/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] = 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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [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] | +++ [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] = 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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [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/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] | +++ [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] | +++ [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] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0521]: borrowed data escapes outside of method [INFO] [stdout] --> src/eval.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 66 | &self, [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | `self` is a reference that is only valid in the method body [INFO] [stdout] | let's call the lifetime of this reference `'1` [INFO] [stdout] ... [INFO] [stdout] 76 | self.solve(head, depth) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `self` escapes the method body here [INFO] [stdout] | argument requires that `'1` must outlive `'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0521]: borrowed data escapes outside of method [INFO] [stdout] --> src/eval.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 66 | &self, [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | `self` is a reference that is only valid in the method body [INFO] [stdout] | let's call the lifetime of this reference `'1` [INFO] [stdout] ... [INFO] [stdout] 76 | self.solve(head, depth) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `self` escapes the method body here [INFO] [stdout] | argument requires that `'1` must outlive `'static` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0521`. [INFO] [stdout] [INFO] [stderr] error: could not compile `fall` (lib) due to 2 previous errors; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0521`. [INFO] [stdout] [INFO] [stderr] error: could not compile `fall` (lib test) due to 2 previous errors; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "230cc55ca4588637fa7ef6ddf7c7f091c1b9509d553d4a1a61d46603ee5c5911", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "230cc55ca4588637fa7ef6ddf7c7f091c1b9509d553d4a1a61d46603ee5c5911", kill_on_drop: false }` [INFO] [stdout] 230cc55ca4588637fa7ef6ddf7c7f091c1b9509d553d4a1a61d46603ee5c5911