[INFO] fetching crate evaltrees 0.1.0... [INFO] checking evaltrees-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] extracting crate evaltrees 0.1.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate evaltrees 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate evaltrees 0.1.0 [INFO] finished tweaking crates.io crate evaltrees 0.1.0 [INFO] tweaked toml for crates.io crate evaltrees 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded symbol v0.1.9 [INFO] [stderr] Downloaded display_attr v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a4532bf60c813ea35b98e0ee7597af8ae9a6b68a2d5fbeabb7ec620b6956ff9 [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" "7a4532bf60c813ea35b98e0ee7597af8ae9a6b68a2d5fbeabb7ec620b6956ff9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a4532bf60c813ea35b98e0ee7597af8ae9a6b68a2d5fbeabb7ec620b6956ff9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a4532bf60c813ea35b98e0ee7597af8ae9a6b68a2d5fbeabb7ec620b6956ff9", kill_on_drop: false }` [INFO] [stdout] 7a4532bf60c813ea35b98e0ee7597af8ae9a6b68a2d5fbeabb7ec620b6956ff9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--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] 4b2bac8e1c50f1a5f5b4bfdaf64a00c8772441491611613811fcd18d22d29f59 [INFO] running `Command { std: "docker" "start" "-a" "4b2bac8e1c50f1a5f5b4bfdaf64a00c8772441491611613811fcd18d22d29f59", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling ucd-util v0.1.8 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling bit-vec v0.4.4 [INFO] [stderr] Compiling lalrpop-util v0.15.2 [INFO] [stderr] Compiling ena v0.5.0 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling regex-syntax v0.4.2 [INFO] [stderr] Compiling byte-tools v0.2.0 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Checking symbol v0.1.9 [INFO] [stderr] Checking linked_hash_set v0.1.4 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling bit-set v0.4.0 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling generic-array v0.9.1 [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 syn v0.14.9 [INFO] [stderr] Compiling atty v0.1.2 [INFO] [stderr] Compiling digest v0.7.6 [INFO] [stderr] Compiling sha2 v0.7.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling lalrpop-snap v0.15.2 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling display_attr v0.1.1 [INFO] [stderr] Compiling docopt v0.8.3 [INFO] [stderr] Compiling lalrpop v0.15.2 [INFO] [stderr] Compiling evaltrees v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9607:5 [INFO] [stdout] | [INFO] [stdout] 9607 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9607 - (__0) [INFO] [stdout] 9607 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9618:5 [INFO] [stdout] | [INFO] [stdout] 9618 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9618 - (__0) [INFO] [stdout] 9618 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9629:5 [INFO] [stdout] | [INFO] [stdout] 9629 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9629 - (__0) [INFO] [stdout] 9629 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9640:5 [INFO] [stdout] | [INFO] [stdout] 9640 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9640 - (__0) [INFO] [stdout] 9640 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9809:5 [INFO] [stdout] | [INFO] [stdout] 9809 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9809 - (__0) [INFO] [stdout] 9809 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9875:5 [INFO] [stdout] | [INFO] [stdout] 9875 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9875 - (__0) [INFO] [stdout] 9875 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9912:5 [INFO] [stdout] | [INFO] [stdout] 9912 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9912 - (__0) [INFO] [stdout] 9912 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9962:5 [INFO] [stdout] | [INFO] [stdout] 9962 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9962 - (__0) [INFO] [stdout] 9962 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9985:5 [INFO] [stdout] | [INFO] [stdout] 9985 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9985 - (__0) [INFO] [stdout] 9985 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:10074:5 [INFO] [stdout] | [INFO] [stdout] 10074 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 10074 - (__0) [INFO] [stdout] 10074 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/repl.rs:14:40 [INFO] [stdout] | [INFO] [stdout] 14 | Evaluator(fn(Vec>) -> Box), [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [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] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9607:5 [INFO] [stdout] | [INFO] [stdout] 9607 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9607 - (__0) [INFO] [stdout] 9607 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9618:5 [INFO] [stdout] | [INFO] [stdout] 9618 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9618 - (__0) [INFO] [stdout] 9618 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9629:5 [INFO] [stdout] | [INFO] [stdout] 9629 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9629 - (__0) [INFO] [stdout] 9629 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9640:5 [INFO] [stdout] | [INFO] [stdout] 9640 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9640 - (__0) [INFO] [stdout] 9640 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9809:5 [INFO] [stdout] | [INFO] [stdout] 9809 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9809 - (__0) [INFO] [stdout] 9809 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9875:5 [INFO] [stdout] | [INFO] [stdout] 9875 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9875 - (__0) [INFO] [stdout] 9875 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9912:5 [INFO] [stdout] | [INFO] [stdout] 9912 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9912 - (__0) [INFO] [stdout] 9912 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9962:5 [INFO] [stdout] | [INFO] [stdout] 9962 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9962 - (__0) [INFO] [stdout] 9962 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:9985:5 [INFO] [stdout] | [INFO] [stdout] 9985 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9985 - (__0) [INFO] [stdout] 9985 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/cst/parser/grammar.rs:10074:5 [INFO] [stdout] | [INFO] [stdout] 10074 | (__0) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 10074 - (__0) [INFO] [stdout] 10074 + __0 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/repl.rs:14:40 [INFO] [stdout] | [INFO] [stdout] 14 | Evaluator(fn(Vec>) -> Box), [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Evaluator` [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] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `failure::core::str::::trim_left`: superseded by `trim_start` [INFO] [stdout] --> src/cst/parser/grammar.rs:9560:36 [INFO] [stdout] | [INFO] [stdout] 9560 | let __text = self.text.trim_left(); [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `failure::core::str::::trim_left`: superseded by `trim_start` [INFO] [stdout] --> src/cst/parser/grammar.rs:9560:36 [INFO] [stdout] | [INFO] [stdout] 9560 | let __text = self.text.trim_left(); [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 01s [INFO] running `Command { std: "docker" "inspect" "4b2bac8e1c50f1a5f5b4bfdaf64a00c8772441491611613811fcd18d22d29f59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b2bac8e1c50f1a5f5b4bfdaf64a00c8772441491611613811fcd18d22d29f59", kill_on_drop: false }` [INFO] [stdout] 4b2bac8e1c50f1a5f5b4bfdaf64a00c8772441491611613811fcd18d22d29f59