[INFO] fetching crate jmespatch 0.3.0...
[INFO] checking jmespatch-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate jmespatch 0.3.0 into /workspace/builds/worker-6-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-6-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 93590dc726249d9c6331c9d07e3a524581e6fe853b434e0c6d07d8a77f072353
[INFO] running `Command { std: "docker" "start" "-a" "93590dc726249d9c6331c9d07e3a524581e6fe853b434e0c6d07d8a77f072353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93590dc726249d9c6331c9d07e3a524581e6fe853b434e0c6d07d8a77f072353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93590dc726249d9c6331c9d07e3a524581e6fe853b434e0c6d07d8a77f072353", kill_on_drop: false }`
[INFO] [stdout] 93590dc726249d9c6331c9d07e3a524581e6fe853b434e0c6d07d8a77f072353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 78efc918ed610aa9e63595e67cae5f3103e65b13b26aecae055ba44bcf5030d1
[INFO] running `Command { std: "docker" "start" "-a" "78efc918ed610aa9e63595e67cae5f3103e65b13b26aecae055ba44bcf5030d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling deunicode v1.4.3
[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 9.26s
[INFO] running `Command { std: "docker" "inspect" "78efc918ed610aa9e63595e67cae5f3103e65b13b26aecae055ba44bcf5030d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78efc918ed610aa9e63595e67cae5f3103e65b13b26aecae055ba44bcf5030d1", kill_on_drop: false }`
[INFO] [stdout] 78efc918ed610aa9e63595e67cae5f3103e65b13b26aecae055ba44bcf5030d1
[INFO] checking jmespatch-0.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate jmespatch 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate jmespatch 0.3.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d44488cda2370d004a28016c9ecf9fdf7ca23c057a7285eb240dd1ec594855ed
[INFO] running `Command { std: "docker" "start" "-a" "d44488cda2370d004a28016c9ecf9fdf7ca23c057a7285eb240dd1ec594855ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d44488cda2370d004a28016c9ecf9fdf7ca23c057a7285eb240dd1ec594855ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44488cda2370d004a28016c9ecf9fdf7ca23c057a7285eb240dd1ec594855ed", kill_on_drop: false }`
[INFO] [stdout] d44488cda2370d004a28016c9ecf9fdf7ca23c057a7285eb240dd1ec594855ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 140827cf336c9282657ddf54409cdfee15a10763e2868439e8a590c3aa49a085
[INFO] running `Command { std: "docker" "start" "-a" "140827cf336c9282657ddf54409cdfee15a10763e2868439e8a590c3aa49a085", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling deunicode v1.4.3
[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/645bb72776a6a56a1a8f52631a44bd082b2ba509/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/645bb72776a6a56a1a8f52631a44bd082b2ba509/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/645bb72776a6a56a1a8f52631a44bd082b2ba509/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/645bb72776a6a56a1a8f52631a44bd082b2ba509/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 7.48s
[INFO] running `Command { std: "docker" "inspect" "140827cf336c9282657ddf54409cdfee15a10763e2868439e8a590c3aa49a085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "140827cf336c9282657ddf54409cdfee15a10763e2868439e8a590c3aa49a085", kill_on_drop: false }`
[INFO] [stdout] 140827cf336c9282657ddf54409cdfee15a10763e2868439e8a590c3aa49a085