[INFO] fetching crate jmespatch 0.3.0...
[INFO] checking jmespatch-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate jmespatch 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate jmespatch 0.3.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jmespatch 0.3.0
[INFO] finished tweaking crates.io crate jmespatch 0.3.0
[INFO] tweaked toml for crates.io crate jmespatch 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b52b9e8dd0a40a23463bae6fbe6a44abb9d2bf7c7d74fb0b06489f7f20602022
[INFO] running `Command { std: "docker" "start" "-a" "b52b9e8dd0a40a23463bae6fbe6a44abb9d2bf7c7d74fb0b06489f7f20602022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b52b9e8dd0a40a23463bae6fbe6a44abb9d2bf7c7d74fb0b06489f7f20602022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b52b9e8dd0a40a23463bae6fbe6a44abb9d2bf7c7d74fb0b06489f7f20602022", kill_on_drop: false }`
[INFO] [stdout] b52b9e8dd0a40a23463bae6fbe6a44abb9d2bf7c7d74fb0b06489f7f20602022
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 825d18a42ea61fee1450fe073f041ed7d268f1da608472626f2db8274ab0b078
[INFO] running `Command { std: "docker" "start" "-a" "825d18a42ea61fee1450fe073f041ed7d268f1da608472626f2db8274ab0b078", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling deunicode v1.4.3
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling slug v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling jmespatch v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/variable.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]   --> src/variable.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::string::ToString;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Variable` is imported redundantly
[INFO] [stdout]    --> src/lexer.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     use super::*;
[INFO] [stdout]     |         -------- the item `Variable` is already imported here
[INFO] [stdout] 313 |     use crate::variable::Variable;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rcvar` is imported redundantly
[INFO] [stdout]    --> src/lexer.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     use super::*;
[INFO] [stdout]     |         -------- the item `Rcvar` is already imported here
[INFO] [stdout] 313 |     use crate::variable::Variable;
[INFO] [stdout] 314 |     use crate::Rcvar;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/variable.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]   --> src/variable.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::string::ToString;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ast` is imported redundantly
[INFO] [stdout]     --> src/variable.rs:1310:22
[INFO] [stdout]      |
[INFO] [stdout] 1309 |     use super::*;
[INFO] [stdout]      |         -------- the item `Ast` is already imported here
[INFO] [stdout] 1310 |     use crate::ast::{Ast, Comparator};
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Comparator` is imported redundantly
[INFO] [stdout]     --> src/variable.rs:1310:27
[INFO] [stdout]      |
[INFO] [stdout] 1309 |     use super::*;
[INFO] [stdout]      |         -------- the item `Comparator` is already imported here
[INFO] [stdout] 1310 |     use crate::ast::{Ast, Comparator};
[INFO] [stdout]      |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rcvar` is imported redundantly
[INFO] [stdout]     --> src/variable.rs:1311:9
[INFO] [stdout]      |
[INFO] [stdout] 1309 |     use super::*;
[INFO] [stdout]      |         -------- the item `Rcvar` is already imported here
[INFO] [stdout] 1310 |     use crate::ast::{Ast, Comparator};
[INFO] [stdout] 1311 |     use crate::Rcvar;
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]     --> src/variable.rs:1312:22
[INFO] [stdout]      |
[INFO] [stdout] 1312 |     use serde_json::{self, Number, Value};
[INFO] [stdout]      |                      ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Number` is imported redundantly
[INFO] [stdout]     --> src/variable.rs:1312:28
[INFO] [stdout]      |
[INFO] [stdout] 1309 |     use super::*;
[INFO] [stdout]      |         -------- the item `Number` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1312 |     use serde_json::{self, Number, Value};
[INFO] [stdout]      |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]     --> src/variable.rs:1312:36
[INFO] [stdout]      |
[INFO] [stdout] 1309 |     use super::*;
[INFO] [stdout]      |         -------- the item `Value` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1312 |     use serde_json::{self, Number, Value};
[INFO] [stdout]      |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BTreeMap` is imported redundantly
[INFO] [stdout]     --> src/variable.rs:1313:9
[INFO] [stdout]      |
[INFO] [stdout] 1309 |     use super::*;
[INFO] [stdout]      |         -------- the item `BTreeMap` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1313 |     use std::collections::BTreeMap;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/variable.rs:1618:10
[INFO] [stdout]      |
[INFO] [stdout] 1618 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/variable.rs:1633:10
[INFO] [stdout]      |
[INFO] [stdout] 1633 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/variable.rs:1648:10
[INFO] [stdout]      |
[INFO] [stdout] 1648 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ast` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:464:9
[INFO] [stdout]     |
[INFO] [stdout] 464 |     use super::ast::Ast;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 465 |     use super::*;
[INFO] [stdout]     |         -------- the item `Ast` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.05s
[INFO] running `Command { std: "docker" "inspect" "825d18a42ea61fee1450fe073f041ed7d268f1da608472626f2db8274ab0b078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825d18a42ea61fee1450fe073f041ed7d268f1da608472626f2db8274ab0b078", kill_on_drop: false }`
[INFO] [stdout] 825d18a42ea61fee1450fe073f041ed7d268f1da608472626f2db8274ab0b078
[INFO] checking jmespatch-0.3.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate jmespatch 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate jmespatch 0.3.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jmespatch 0.3.0
[INFO] finished tweaking crates.io crate jmespatch 0.3.0
[INFO] tweaked toml for crates.io crate jmespatch 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 23 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef8e8a420ae12cc019c5f01ed3de68f0d9b2a63b512493b6897ff492d814435b
[INFO] running `Command { std: "docker" "start" "-a" "ef8e8a420ae12cc019c5f01ed3de68f0d9b2a63b512493b6897ff492d814435b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef8e8a420ae12cc019c5f01ed3de68f0d9b2a63b512493b6897ff492d814435b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8e8a420ae12cc019c5f01ed3de68f0d9b2a63b512493b6897ff492d814435b", kill_on_drop: false }`
[INFO] [stdout] ef8e8a420ae12cc019c5f01ed3de68f0d9b2a63b512493b6897ff492d814435b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b4ffbe63d3f67f543b53b02623ef0e8060c7c11b3a7f242b57f95ca55621be2
[INFO] running `Command { std: "docker" "start" "-a" "8b4ffbe63d3f67f543b53b02623ef0e8060c7c11b3a7f242b57f95ca55621be2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling deunicode v1.4.3
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling slug v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling jmespatch v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/variable.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]   --> src/variable.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::string::ToString;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Variable` is imported redundantly
[INFO] [stdout]    --> src/lexer.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     use super::*;
[INFO] [stdout]     |         -------- the item `Variable` is already imported here
[INFO] [stdout] 313 |     use crate::variable::Variable;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rcvar` is imported redundantly
[INFO] [stdout]    --> src/lexer.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |     use super::*;
[INFO] [stdout]     |         -------- the item `Rcvar` is already imported here
[INFO] [stdout] 313 |     use crate::variable::Variable;
[INFO] [stdout] 314 |     use crate::Rcvar;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/variable.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]   --> src/variable.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::string::ToString;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ast` is imported redundantly
[INFO] [stdout]     --> src/variable.rs:1310:22
[INFO] [stdout]      |
[INFO] [stdout] 1309 |     use super::*;
[INFO] [stdout]      |         -------- the item `Ast` is already imported here
[INFO] [stdout] 1310 |     use crate::ast::{Ast, Comparator};
[INFO] [stdout]      |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Comparator` is imported redundantly
[INFO] [stdout]     --> src/variable.rs:1310:27
[INFO] [stdout]      |
[INFO] [stdout] 1309 |     use super::*;
[INFO] [stdout]      |         -------- the item `Comparator` is already imported here
[INFO] [stdout] 1310 |     use crate::ast::{Ast, Comparator};
[INFO] [stdout]      |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rcvar` is imported redundantly
[INFO] [stdout]     --> src/variable.rs:1311:9
[INFO] [stdout]      |
[INFO] [stdout] 1309 |     use super::*;
[INFO] [stdout]      |         -------- the item `Rcvar` is already imported here
[INFO] [stdout] 1310 |     use crate::ast::{Ast, Comparator};
[INFO] [stdout] 1311 |     use crate::Rcvar;
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]     --> src/variable.rs:1312:22
[INFO] [stdout]      |
[INFO] [stdout] 1312 |     use serde_json::{self, Number, Value};
[INFO] [stdout]      |                      ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Number` is imported redundantly
[INFO] [stdout]     --> src/variable.rs:1312:28
[INFO] [stdout]      |
[INFO] [stdout] 1309 |     use super::*;
[INFO] [stdout]      |         -------- the item `Number` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1312 |     use serde_json::{self, Number, Value};
[INFO] [stdout]      |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]     --> src/variable.rs:1312:36
[INFO] [stdout]      |
[INFO] [stdout] 1309 |     use super::*;
[INFO] [stdout]      |         -------- the item `Value` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1312 |     use serde_json::{self, Number, Value};
[INFO] [stdout]      |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BTreeMap` is imported redundantly
[INFO] [stdout]     --> src/variable.rs:1313:9
[INFO] [stdout]      |
[INFO] [stdout] 1309 |     use super::*;
[INFO] [stdout]      |         -------- the item `BTreeMap` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 1313 |     use std::collections::BTreeMap;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/variable.rs:1618:10
[INFO] [stdout]      |
[INFO] [stdout] 1618 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/variable.rs:1633:10
[INFO] [stdout]      |
[INFO] [stdout] 1633 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/variable.rs:1648:10
[INFO] [stdout]      |
[INFO] [stdout] 1648 |         };
[INFO] [stdout]      |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ast` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:464:9
[INFO] [stdout]     |
[INFO] [stdout] 464 |     use super::ast::Ast;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 465 |     use super::*;
[INFO] [stdout]     |         -------- the item `Ast` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.30s
[INFO] running `Command { std: "docker" "inspect" "8b4ffbe63d3f67f543b53b02623ef0e8060c7c11b3a7f242b57f95ca55621be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b4ffbe63d3f67f543b53b02623ef0e8060c7c11b3a7f242b57f95ca55621be2", kill_on_drop: false }`
[INFO] [stdout] 8b4ffbe63d3f67f543b53b02623ef0e8060c7c11b3a7f242b57f95ca55621be2