[INFO] fetching crate eval 0.4.3...
[INFO] testing eval-0.4.3 against 1.54.0 for beta-1.55-1
[INFO] extracting crate eval 0.4.3 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate eval 0.4.3 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eval 0.4.3
[INFO] finished tweaking crates.io crate eval 0.4.3
[INFO] tweaked toml for crates.io crate eval 0.4.3 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0364ad522cdc4a8608debcd160e7d3de39070cc7c6c455048a84c90b92de3851
[INFO] running `Command { std: "docker" "start" "-a" "0364ad522cdc4a8608debcd160e7d3de39070cc7c6c455048a84c90b92de3851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0364ad522cdc4a8608debcd160e7d3de39070cc7c6c455048a84c90b92de3851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0364ad522cdc4a8608debcd160e7d3de39070cc7c6c455048a84c90b92de3851", kill_on_drop: false }`
[INFO] [stdout] 0364ad522cdc4a8608debcd160e7d3de39070cc7c6c455048a84c90b92de3851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f77c035bd5fba561e204367f9d25c8744e995101a7139c8f6d1d7633ff50764c
[INFO] running `Command { std: "docker" "start" "-a" "f77c035bd5fba561e204367f9d25c8744e995101a7139c8f6d1d7633ff50764c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling eval v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/math/mod.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn add(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]   |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/math/mod.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn mul(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]   |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/math/mod.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn sub(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]   |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn div(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn rem(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn eq(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn ne(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn gt(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn lt(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn ge(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn le(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn and(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn or(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/function/mod.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub compiled: Box<Fn(Vec<Value>) -> Result<Value, Error> + Sync + Send>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<Value>) -> Result<Value, Error> + Sync + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:139:21
[INFO] [stdout]     |
[INFO] [stdout] 139 | type Compiled = Box<Fn(&[Context], &Functions) -> Result<Value, Error>>;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Context], &Functions) -> Result<Value, Error>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.70s
[INFO] running `Command { std: "docker" "inspect" "f77c035bd5fba561e204367f9d25c8744e995101a7139c8f6d1d7633ff50764c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f77c035bd5fba561e204367f9d25c8744e995101a7139c8f6d1d7633ff50764c", kill_on_drop: false }`
[INFO] [stdout] f77c035bd5fba561e204367f9d25c8744e995101a7139c8f6d1d7633ff50764c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91da41b288b8e472ad9a9ddf9a9e99a7aa0b88651d0b00806a09b6026e1428e4
[INFO] running `Command { std: "docker" "start" "-a" "91da41b288b8e472ad9a9ddf9a9e99a7aa0b88651d0b00806a09b6026e1428e4", kill_on_drop: false }`
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/math/mod.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn add(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]   |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/math/mod.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn mul(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]   |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/math/mod.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn sub(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]   |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn div(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn rem(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn eq(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn ne(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn gt(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn lt(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn ge(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn le(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling eval v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn and(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn or(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/function/mod.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub compiled: Box<Fn(Vec<Value>) -> Result<Value, Error> + Sync + Send>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<Value>) -> Result<Value, Error> + Sync + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:139:21
[INFO] [stdout]     |
[INFO] [stdout] 139 | type Compiled = Box<Fn(&[Context], &Functions) -> Result<Value, Error>>;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Context], &Functions) -> Result<Value, Error>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/math/mod.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn add(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]   |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/math/mod.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn mul(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]   |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/math/mod.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn sub(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]   |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn div(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn rem(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn eq(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn ne(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn gt(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn lt(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn ge(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn le(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn and(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/math/mod.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn or(&self, &Value) -> Result<Value, Error>;
[INFO] [stdout]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/function/mod.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub compiled: Box<Fn(Vec<Value>) -> Result<Value, Error> + Sync + Send>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<Value>) -> Result<Value, Error> + Sync + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:139:21
[INFO] [stdout]     |
[INFO] [stdout] 139 | type Compiled = Box<Fn(&[Context], &Functions) -> Result<Value, Error>>;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Context], &Functions) -> Result<Value, Error>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "91da41b288b8e472ad9a9ddf9a9e99a7aa0b88651d0b00806a09b6026e1428e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91da41b288b8e472ad9a9ddf9a9e99a7aa0b88651d0b00806a09b6026e1428e4", kill_on_drop: false }`
[INFO] [stdout] 91da41b288b8e472ad9a9ddf9a9e99a7aa0b88651d0b00806a09b6026e1428e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52dce12923c945dce8b3f710fbd938a98ce0ee37917a314224fef9f40d5eba1a
[INFO] running `Command { std: "docker" "start" "-a" "52dce12923c945dce8b3f710fbd938a98ce0ee37917a314224fef9f40d5eba1a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]  --> src/math/mod.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn add(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]   |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]  --> src/math/mod.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn mul(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]   |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]  --> src/math/mod.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn sub(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]   |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn div(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn rem(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn eq(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn ne(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn gt(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:15:18
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn lt(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn ge(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn le(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:18:19
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn and(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn or(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/function/mod.rs:14:23
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub compiled: Box<Fn(Vec<Value>) -> Result<Value, Error> + Sync + Send>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<Value>) -> Result<Value, Error> + Sync + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:139:21
[INFO] [stderr]     |
[INFO] [stderr] 139 | type Compiled = Box<Fn(&[Context], &Functions) -> Result<Value, Error>>;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Context], &Functions) -> Result<Value, Error>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]  --> src/math/mod.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn add(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]   |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]  --> src/math/mod.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn mul(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]   |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]  --> src/math/mod.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn sub(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]   |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn div(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn rem(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn eq(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn ne(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn gt(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:15:18
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn lt(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn ge(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn le(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:18:19
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn and(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                   ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/math/mod.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn or(&self, &Value) -> Result<Value, Error>;
[INFO] [stderr]    |                  ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Value`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/function/mod.rs:14:23
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub compiled: Box<Fn(Vec<Value>) -> Result<Value, Error> + Sync + Send>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<Value>) -> Result<Value, Error> + Sync + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:139:21
[INFO] [stderr]     |
[INFO] [stderr] 139 | type Compiled = Box<Fn(&[Context], &Functions) -> Result<Value, Error>>;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Context], &Functions) -> Result<Value, Error>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/eval-b403087d9cec487d)
[INFO] [stdout] 
[INFO] [stdout] running 65 tests
[INFO] [stdout] test tests::test_add ... ok
[INFO] [stdout] test tests::test_and_2 ... ok
[INFO] [stdout] test tests::test_array ... ok
[INFO] [stdout] test tests::test_and_1 ... ok
[INFO] [stdout] test tests::test_and_3 ... ok
[INFO] [stdout] test tests::test_brackets_1 ... ok
[INFO] [stdout] test tests::test_brackets_2 ... ok
[INFO] [stdout] test tests::test_array_access ... ok
[INFO] [stdout] test tests::test_brackets_add ... ok
[INFO] [stdout] test tests::test_brackets_float_add ... ok
[INFO] [stdout] test tests::test_brackets_sub ... ok
[INFO] [stdout] test tests::test_brackets_div ... ok
[INFO] [stdout] test tests::test_builtin_is_empty ... ok
[INFO] [stdout] test tests::test_brackets_float_mul ... ok
[INFO] [stdout] test tests::test_builtin_min ... ok
[INFO] [stdout] test tests::test_equal ... ok
[INFO] [stdout] test tests::test_error_brackets_not_with_function ... ok
[INFO] [stdout] test tests::test_custom_function ... ok
[INFO] [stdout] test tests::test_double_and_single_quote ... ok
[INFO] [stdout] test tests::test_deep_brackets ... ok
[INFO] [stdout] test tests::test_error_comma ... ok
[INFO] [stdout] test tests::test_error_duplicate_operator ... ok
[INFO] [stdout] test tests::test_error_duplicate_value ... ok
[INFO] [stdout] test tests::test_error_start_with_non_value_operator ... ok
[INFO] [stdout] test tests::test_error_unpaired_brackets ... ok
[INFO] [stdout] test tests::test_ge ... ok
[INFO] [stdout] test tests::test_eval_issue_2 ... ok
[INFO] [stdout] test tests::test_greater_and_less ... ok
[INFO] [stdout] test tests::test_le ... ok
[INFO] [stdout] test tests::test_len_array ... ok
[INFO] [stdout] test tests::test_less_than ... ok
[INFO] [stdout] test tests::test_greater_than ... ok
[INFO] [stdout] test tests::test_max_and_mul ... ok
[INFO] [stdout] test tests::test_len_string ... ok
[INFO] [stdout] test tests::test_len_object ... ok
[INFO] [stdout] test tests::test_max ... ok
[INFO] [stdout] test tests::test_min ... ok
[INFO] [stdout] test tests::test_min_and_mul ... ok
[INFO] [stdout] test tests::test_max_brackets ... ok
[INFO] [stdout] test tests::test_min_brackets ... ok
[INFO] [stdout] test tests::test_multiple_equal ... ok
[INFO] [stdout] test tests::test_not_equal ... ok
[INFO] [stdout] test tests::test_multiple_not_equal ... ok
[INFO] [stdout] test tests::test_null_and_number ... ok
[INFO] [stdout] test tests::test_not_and_brackets ... ok
[INFO] [stdout] test tests::test_not ... ok
[INFO] [stdout] test tests::test_object_access ... ok
[INFO] [stdout] test tests::test_object_dynamic_access ... ok
[INFO] [stdout] test tests::test_or_2 ... ok
[INFO] [stdout] test tests::test_object_dynamic_access_2 ... ok
[INFO] [stdout] test tests::test_or_3 ... ok
[INFO] [stdout] test tests::test_or_4 ... ok
[INFO] [stdout] test tests::test_or_1 ... ok
[INFO] [stdout] test tests::test_quotes ... ok
[INFO] [stdout] test tests::test_path ... ok
[INFO] [stdout] test tests::test_range_and_min ... ok
[INFO] [stdout] test tests::test_range ... ok
[INFO] [stdout] test tests::test_rem_1 ... ok
[INFO] [stdout] test tests::test_rem_2 ... ok
[INFO] [stdout] test tests::test_rem_4 ... ok
[INFO] [stdout] test tests::test_single_and_double_quote ... ok
[INFO] [stdout] test tests::test_rem_3 ... ok
[INFO] [stdout] test tests::test_useless_brackets ... ok
[INFO] [stdout] test tests::test_single_quote ... ok
[INFO] [stdout] test tests::test_string_add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 65 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests eval
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] test src/lib.rs - (line 61) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "52dce12923c945dce8b3f710fbd938a98ce0ee37917a314224fef9f40d5eba1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52dce12923c945dce8b3f710fbd938a98ce0ee37917a314224fef9f40d5eba1a", kill_on_drop: false }`
[INFO] [stdout] 52dce12923c945dce8b3f710fbd938a98ce0ee37917a314224fef9f40d5eba1a
