[INFO] fetching crate evaltrees 0.1.0...
[INFO] checking evaltrees-0.1.0 against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721
[INFO] extracting crate evaltrees 0.1.0 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate evaltrees 0.1.0 on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 100 packages to latest compatible versions
[INFO] [stderr]       Adding lalrpop v0.15.2 (available: v0.23.1)
[INFO] [stderr]       Adding lalrpop-util v0.15.2 (available: v0.23.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `evaltrees` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.1.2
[INFO] [stderr]   Downloaded spin v0.4.10
[INFO] [stderr]   Downloaded symbol v0.1.9
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded linked_hash_set v0.1.6
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.4
[INFO] [stderr]   Downloaded display_attr v0.1.1
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded generic-array v0.9.1
[INFO] [stderr]   Downloaded digest v0.7.6
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded ucd-util v0.1.10
[INFO] [stderr]   Downloaded bit-set v0.4.0
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded string_cache v0.7.5
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded docopt v0.8.3
[INFO] [stderr]   Downloaded ena v0.5.0
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded regex v1.12.4
[INFO] [stderr]   Downloaded lalrpop-util v0.15.2
[INFO] [stderr]   Downloaded regex-syntax v0.8.11
[INFO] [stderr]   Downloaded lalrpop v0.15.2
[INFO] [stderr]   Downloaded lalrpop-snap v0.15.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e2af4265883c6e496d0dc83c213b968973d33de985b4c739579f573c120e4c1b
[INFO] running `Command { std: "docker" "start" "e2af4265883c6e496d0dc83c213b968973d33de985b4c739579f573c120e4c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e2af4265883c6e496d0dc83c213b968973d33de985b4c739579f573c120e4c1b" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2af4265883c6e496d0dc83c213b968973d33de985b4c739579f573c120e4c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e2af4265883c6e496d0dc83c213b968973d33de985b4c739579f573c120e4c1b" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `evaltrees` (manifest) generated 1 warning
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling libc v0.2.186
[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 string_cache_shared v0.3.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling memchr v2.8.2
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling either v1.16.0
[INFO] [stderr]    Compiling typenum v1.20.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling lalrpop-util v0.15.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.1.2
[INFO] [stderr]    Compiling ena v0.5.0
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling generic-array v0.9.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.27
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling lalrpop-snap v0.15.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking symbol v0.1.9
[INFO] [stderr]     Checking linked_hash_set v0.1.6
[INFO] [stderr]     Checking log v0.4.32
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking regex v1.12.4
[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: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/cst/parser/mod.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[cfg_attr(feature = "cargo-clippy", allow(clippy))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[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)]` (part of `#[warn(unused)]`) 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<Decl<()>>) -> Box<Evaluator>),
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Evaluator(fn(Vec<Decl<()>>) -> Box<dyn Evaluator>),
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/cst/parser/mod.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[cfg_attr(feature = "cargo-clippy", allow(clippy))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[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)]` (part of `#[warn(unused)]`) 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<Decl<()>>) -> Box<Evaluator>),
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Evaluator(fn(Vec<Decl<()>>) -> Box<dyn Evaluator>),
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `failure::core::str::<impl 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]      |                                    ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]      |
[INFO] [stdout] 9560 -             let __text = self.text.trim_left();
[INFO] [stdout] 9560 +             let __text = self.text.trim_start();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `failure::core::str::<impl 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]      |                                    ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]      |
[INFO] [stdout] 9560 -             let __text = self.text.trim_left();
[INFO] [stdout] 9560 +             let __text = self.text.trim_start();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/ast/convert.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Debug, Fail, PartialEq)]
[INFO] [stdout]    |                        ^---
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Fail` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_ASTConversionError`
[INFO] [stdout] 12 | pub enum ASTConversionError {
[INFO] [stdout]    |          ------------------ `ASTConversionError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/ast/convert.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Debug, Fail, PartialEq)]
[INFO] [stdout]    |                        ^---
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Display` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_ASTConversionError`
[INFO] [stdout] 12 | pub enum ASTConversionError {
[INFO] [stdout]    |          ------------------ `ASTConversionError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/ast/convert.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Debug, Fail, PartialEq)]
[INFO] [stdout]    |                        ^---
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Fail` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_ASTConversionError`
[INFO] [stdout] 12 | pub enum ASTConversionError {
[INFO] [stdout]    |          ------------------ `ASTConversionError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/ast/convert.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Debug, Fail, PartialEq)]
[INFO] [stdout]    |                        ^---
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Display` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_ASTConversionError`
[INFO] [stdout] 12 | pub enum ASTConversionError {
[INFO] [stdout]    |          ------------------ `ASTConversionError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/repl.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout]  8 | #[derive(Clone, Debug, PartialEq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 14 |     Evaluator(fn(Vec<Decl<()>>) -> Box<Evaluator>),
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/typeck/mod.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Fail, PartialEq)]
[INFO] [stdout]    |                        ^---
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Fail` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_TypeError`
[INFO] [stdout] 24 | pub enum TypeError {
[INFO] [stdout]    |          --------- `TypeError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/typeck/mod.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Fail, PartialEq)]
[INFO] [stdout]    |                        ^---
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Display` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_TypeError`
[INFO] [stdout] 24 | pub enum TypeError {
[INFO] [stdout]    |          --------- `TypeError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/repl.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout]  8 | #[derive(Clone, Debug, PartialEq)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 14 |     Evaluator(fn(Vec<Decl<()>>) -> Box<Evaluator>),
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/typeck/mod.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Fail, PartialEq)]
[INFO] [stdout]    |                        ^---
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Fail` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_TypeError`
[INFO] [stdout] 24 | pub enum TypeError {
[INFO] [stdout]    |          --------- `TypeError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/typeck/mod.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Fail, PartialEq)]
[INFO] [stdout]    |                        ^---
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `Display` is not local
[INFO] [stdout]    |                        move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_TypeError`
[INFO] [stdout] 24 | pub enum TypeError {
[INFO] [stdout]    |          --------- `TypeError` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.15.2, lalrpop-snap v0.15.2, syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "e2af4265883c6e496d0dc83c213b968973d33de985b4c739579f573c120e4c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2af4265883c6e496d0dc83c213b968973d33de985b4c739579f573c120e4c1b", kill_on_drop: false }`
[INFO] [stdout] e2af4265883c6e496d0dc83c213b968973d33de985b4c739579f573c120e4c1b
