[INFO] fetching crate nickel-lang-core 0.3.0...
[INFO] checking nickel-lang-core-0.3.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate nickel-lang-core 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate nickel-lang-core 0.3.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nickel-lang-core 0.3.0
[INFO] finished tweaking crates.io crate nickel-lang-core 0.3.0
[INFO] tweaked toml for crates.io crate nickel-lang-core 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `nickel_lang_utils`
[INFO] [stdout]    --> src/deserialize.rs:587:9
[INFO] [stdout]     |
[INFO] [stdout] 587 |     use nickel_lang_utils::{
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `nickel_lang_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/deserialize.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::ExactSizeIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/environment.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TermPos` is imported redundantly
[INFO] [stdout]  --> src/eval/fixpoint.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::{merge::RevertClosurize, *};
[INFO] [stdout]   |                                     - the item `TermPos` is already imported here
[INFO] [stdout] 3 | use crate::{position::TermPos, term::SharedTerm};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Closurize` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `Closurize` is already imported here
[INFO] [stdout] 29 | use crate::closurize::Closurize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EvalError` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `EvalError` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 31 | use crate::error::{EvalError, IllegalPolymorphicTailAction};
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TermPos` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `TermPos` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::position::TermPos;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Field` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `Field` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 35 |     record::{self, Field, FieldDeps, FieldMetadata, RecordAttrs, RecordData},
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RecordData` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:35:66
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `RecordData` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 35 |     record::{self, Field, FieldDeps, FieldMetadata, RecordAttrs, RecordData},
[INFO] [stdout]    |                                                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BinaryOp` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `BinaryOp` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 36 |     BinaryOp, IndexMap, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RichTerm` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `RichTerm` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 36 |     BinaryOp, IndexMap, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Term` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:36:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `Term` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 36 |     BinaryOp, IndexMap, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `record` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |         record::{self, Field, FieldMetadata, RecordData},
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 33 |         string::NickelString,
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `record` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Zero` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `Zero` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 42 |         basic::traits::Zero,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RoundingFrom` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `RoundingFrom` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 43 |         conversion::traits::{RoundingFrom, ToSci},
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToSci` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:43:44
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `ToSci` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 43 |         conversion::traits::{RoundingFrom, ToSci},
[INFO] [stdout]    |                                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RoundingMode` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `RoundingMode` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 45 |     rounding_modes::RoundingMode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Integer` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `Integer` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 46 |     Integer,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:53:11
[INFO] [stdout]    |
[INFO] [stdout] 53 | use std::{convert::TryFrom, iter::Extend, rc::Rc};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Extend` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 | use std::{convert::TryFrom, iter::Extend, rc::Rc};
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Extend` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RawSpan` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 2  | use super::{error::InvalidRecordTypeError, *};
[INFO] [stdout]    |                                            - the item `RawSpan` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 10 |     position::{RawSpan, TermPos},
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RichTerm` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:13:37
[INFO] [stdout]    |
[INFO] [stdout] 2  | use super::{error::InvalidRecordTypeError, *};
[INFO] [stdout]    |                                            - the item `RichTerm` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 |         LabeledType, MergePriority, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Type` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:16:94
[INFO] [stdout]    |
[INFO] [stdout] 2  | use super::{error::InvalidRecordTypeError, *};
[INFO] [stdout]    |                                            - the item `Type` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 16 |         DictTypeFlavour, EnumRows, EnumRowsIteratorItem, RecordRow, RecordRows, RecordRowsF, Type,
[INFO] [stdout]    |                                                                                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `codespan` is imported redundantly
[INFO] [stdout]  --> src/position.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use codespan::{self, ByteIndex, FileId};
[INFO] [stdout]   |                ^^^^ the item `codespan` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Zero` is imported redundantly
[INFO] [stdout]   --> src/pretty.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 9  |     *,
[INFO] [stdout]    |     - the item `Zero` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use malachite::num::{basic::traits::Zero, conversion::traits::ToSci};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToSci` is imported redundantly
[INFO] [stdout]   --> src/pretty.rs:13:43
[INFO] [stdout]    |
[INFO] [stdout] 9  |     *,
[INFO] [stdout]    |     - the item `ToSci` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use malachite::num::{basic::traits::Zero, conversion::traits::ToSci};
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/program.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     result::Result,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Style` is imported redundantly
[INFO] [stdout]   --> src/repl/rustyline_frontend.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use super::{command::Command, *};
[INFO] [stdout]    |                               - the item `Style` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 11 | use ansi_term::Style;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EvalError` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `EvalError` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 4 |     error::EvalError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LocIdent` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `LocIdent` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 5 |     identifier::{Ident, LocIdent},
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Label` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Label` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 6 |     label::Label,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rc` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Rc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 8 | use std::{collections::HashSet, rc::Rc};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]   --> src/term/mod.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |     cmp::{Ordering, PartialOrd},
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]   --> src/typecheck/mod.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 |     convert::{Infallible, TryInto},
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypecheckError` is imported redundantly
[INFO] [stdout]  --> src/typecheck/operation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `TypecheckError` is already imported here
[INFO] [stdout] 3 | use crate::{
[INFO] [stdout] 4 |     error::TypecheckError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypeF` is imported redundantly
[INFO] [stdout]  --> src/typecheck/operation.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `TypeF` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 7 |     typ::TypeF,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LocIdent` is imported redundantly
[INFO] [stdout]   --> src/typecheck/eq.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | use super::*;
[INFO] [stdout]    |     -------- the item `LocIdent` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 53 |     identifier::LocIdent,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Field` is imported redundantly
[INFO] [stdout]   --> src/typecheck/eq.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 46 | use super::*;
[INFO] [stdout]    |     -------- the item `Field` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 54 |     term::{self, record::Field, IndexMap, UnaryOp},
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IndexMap` is imported redundantly
[INFO] [stdout]   --> src/typecheck/eq.rs:54:33
[INFO] [stdout]    |
[INFO] [stdout] 46 | use super::*;
[INFO] [stdout]    |     -------- the item `IndexMap` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 54 |     term::{self, record::Field, IndexMap, UnaryOp},
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/deserialize.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::ExactSizeIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/environment.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TermPos` is imported redundantly
[INFO] [stdout]  --> src/eval/fixpoint.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::{merge::RevertClosurize, *};
[INFO] [stdout]   |                                     - the item `TermPos` is already imported here
[INFO] [stdout] 3 | use crate::{position::TermPos, term::SharedTerm};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Closurize` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `Closurize` is already imported here
[INFO] [stdout] 29 | use crate::closurize::Closurize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EvalError` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `EvalError` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 31 | use crate::error::{EvalError, IllegalPolymorphicTailAction};
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TermPos` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `TermPos` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::position::TermPos;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Field` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `Field` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 35 |     record::{self, Field, FieldDeps, FieldMetadata, RecordAttrs, RecordData},
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RecordData` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:35:66
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `RecordData` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 35 |     record::{self, Field, FieldDeps, FieldMetadata, RecordAttrs, RecordData},
[INFO] [stdout]    |                                                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BinaryOp` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `BinaryOp` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 36 |     BinaryOp, IndexMap, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RichTerm` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `RichTerm` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 36 |     BinaryOp, IndexMap, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Term` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:36:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `Term` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 36 |     BinaryOp, IndexMap, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `record` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |         record::{self, Field, FieldMetadata, RecordData},
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 33 |         string::NickelString,
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `record` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Zero` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `Zero` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 42 |         basic::traits::Zero,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RoundingFrom` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `RoundingFrom` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 43 |         conversion::traits::{RoundingFrom, ToSci},
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToSci` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:43:44
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `ToSci` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 43 |         conversion::traits::{RoundingFrom, ToSci},
[INFO] [stdout]    |                                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RoundingMode` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `RoundingMode` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 45 |     rounding_modes::RoundingMode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Integer` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `Integer` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 46 |     Integer,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:53:11
[INFO] [stdout]    |
[INFO] [stdout] 53 | use std::{convert::TryFrom, iter::Extend, rc::Rc};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Extend` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 | use std::{convert::TryFrom, iter::Extend, rc::Rc};
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Extend` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Environment` is imported redundantly
[INFO] [stdout]     --> src/eval/operation.rs:3336:9
[INFO] [stdout]      |
[INFO] [stdout] 3333 |     use super::*;
[INFO] [stdout]      |         -------- the item `Environment` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 3336 |     use crate::eval::Environment;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BinaryOp` is imported redundantly
[INFO] [stdout]  --> src/eval/tests.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `BinaryOp` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 9 | use crate::term::{BinaryOp, StrChunk, UnaryOp};
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `StrChunk` is imported redundantly
[INFO] [stdout]  --> src/eval/tests.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `StrChunk` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 9 | use crate::term::{BinaryOp, StrChunk, UnaryOp};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UnaryOp` is imported redundantly
[INFO] [stdout]  --> src/eval/tests.rs:9:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `UnaryOp` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 9 | use crate::term::{BinaryOp, StrChunk, UnaryOp};
[INFO] [stdout]   |                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RawSpan` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 2  | use super::{error::InvalidRecordTypeError, *};
[INFO] [stdout]    |                                            - the item `RawSpan` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 10 |     position::{RawSpan, TermPos},
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RichTerm` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:13:37
[INFO] [stdout]    |
[INFO] [stdout] 2  | use super::{error::InvalidRecordTypeError, *};
[INFO] [stdout]    |                                            - the item `RichTerm` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 |         LabeledType, MergePriority, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Type` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:16:94
[INFO] [stdout]    |
[INFO] [stdout] 2  | use super::{error::InvalidRecordTypeError, *};
[INFO] [stdout]    |                                            - the item `Type` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 16 |         DictTypeFlavour, EnumRows, EnumRowsIteratorItem, RecordRow, RecordRows, RecordRowsF, Type,
[INFO] [stdout]    |                                                                                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `codespan` is imported redundantly
[INFO] [stdout]  --> src/position.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use codespan::{self, ByteIndex, FileId};
[INFO] [stdout]   |                ^^^^ the item `codespan` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Zero` is imported redundantly
[INFO] [stdout]   --> src/pretty.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 9  |     *,
[INFO] [stdout]    |     - the item `Zero` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use malachite::num::{basic::traits::Zero, conversion::traits::ToSci};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToSci` is imported redundantly
[INFO] [stdout]   --> src/pretty.rs:13:43
[INFO] [stdout]    |
[INFO] [stdout] 9  |     *,
[INFO] [stdout]    |     - the item `ToSci` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use malachite::num::{basic::traits::Zero, conversion::traits::ToSci};
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EvalError` is imported redundantly
[INFO] [stdout]    --> src/program.rs:899:9
[INFO] [stdout]     |
[INFO] [stdout] 898 |     use super::*;
[INFO] [stdout]     |         -------- the item `EvalError` is already imported here
[INFO] [stdout] 899 |     use crate::error::EvalError;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LocIdent` is imported redundantly
[INFO] [stdout]    --> src/program.rs:901:9
[INFO] [stdout]     |
[INFO] [stdout] 898 |     use super::*;
[INFO] [stdout]     |         -------- the item `LocIdent` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 901 |     use crate::identifier::LocIdent;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cursor` is imported redundantly
[INFO] [stdout]    --> src/program.rs:905:9
[INFO] [stdout]     |
[INFO] [stdout] 898 |     use super::*;
[INFO] [stdout]     |         -------- the item `Cursor` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 905 |     use std::io::Cursor;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Style` is imported redundantly
[INFO] [stdout]   --> src/repl/rustyline_frontend.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use super::{command::Command, *};
[INFO] [stdout]    |                               - the item `Style` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 11 | use ansi_term::Style;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EvalError` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `EvalError` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 4 |     error::EvalError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LocIdent` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `LocIdent` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 5 |     identifier::{Ident, LocIdent},
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Label` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Label` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 6 |     label::Label,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rc` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Rc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 8 | use std::{collections::HashSet, rc::Rc};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]   --> src/term/mod.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |     cmp::{Ordering, PartialOrd},
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RichTerm` is imported redundantly
[INFO] [stdout]    --> src/term/make/builder.rs:375:16
[INFO] [stdout]     |
[INFO] [stdout] 375 |         term::{RichTerm, TypeAnnotation},
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |     use super::*;
[INFO] [stdout]     |         -------- the item `RichTerm` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Type` is imported redundantly
[INFO] [stdout]    --> src/term/make/builder.rs:376:15
[INFO] [stdout]     |
[INFO] [stdout] 376 |         typ::{Type, TypeF},
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |     use super::*;
[INFO] [stdout]     |         -------- the item `Type` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]   --> src/typecheck/mod.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 |     convert::{Infallible, TryInto},
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]   --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypecheckError` is imported redundantly
[INFO] [stdout]  --> src/typecheck/operation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `TypecheckError` is already imported here
[INFO] [stdout] 3 | use crate::{
[INFO] [stdout] 4 |     error::TypecheckError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypeF` is imported redundantly
[INFO] [stdout]  --> src/typecheck/operation.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `TypeF` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 7 |     typ::TypeF,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LocIdent` is imported redundantly
[INFO] [stdout]   --> src/typecheck/eq.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | use super::*;
[INFO] [stdout]    |     -------- the item `LocIdent` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 53 |     identifier::LocIdent,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Field` is imported redundantly
[INFO] [stdout]   --> src/typecheck/eq.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 46 | use super::*;
[INFO] [stdout]    |     -------- the item `Field` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 54 |     term::{self, record::Field, IndexMap, UnaryOp},
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IndexMap` is imported redundantly
[INFO] [stdout]   --> src/typecheck/eq.rs:54:33
[INFO] [stdout]    |
[INFO] [stdout] 46 | use super::*;
[INFO] [stdout]    |     -------- the item `IndexMap` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 54 |     term::{self, record::Field, IndexMap, UnaryOp},
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nickel-lang-core` (lib test) due to 2 previous errors; 47 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d070243b9a76704668b0b21b952bb5735b01b6786657aa37d6f268e13de5d22f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d070243b9a76704668b0b21b952bb5735b01b6786657aa37d6f268e13de5d22f", kill_on_drop: false }`
[INFO] [stdout] d070243b9a76704668b0b21b952bb5735b01b6786657aa37d6f268e13de5d22f
[INFO] checking nickel-lang-core-0.3.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate nickel-lang-core 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate nickel-lang-core 0.3.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nickel-lang-core 0.3.0
[INFO] finished tweaking crates.io crate nickel-lang-core 0.3.0
[INFO] tweaked toml for crates.io crate nickel-lang-core 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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edaaf9340d16325551e5bafc2e1a91d2048ef7eefbbfefd685e0f3cdad0ca0bb
[INFO] running `Command { std: "docker" "start" "-a" "edaaf9340d16325551e5bafc2e1a91d2048ef7eefbbfefd685e0f3cdad0ca0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edaaf9340d16325551e5bafc2e1a91d2048ef7eefbbfefd685e0f3cdad0ca0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edaaf9340d16325551e5bafc2e1a91d2048ef7eefbbfefd685e0f3cdad0ca0bb", kill_on_drop: false }`
[INFO] [stdout] edaaf9340d16325551e5bafc2e1a91d2048ef7eefbbfefd685e0f3cdad0ca0bb
[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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d83912b7b829fa33802219d56ec27f7e83ff3ca6de833248f0dc30e6711d8aa
[INFO] running `Command { std: "docker" "start" "-a" "9d83912b7b829fa33802219d56ec27f7e83ff3ca6de833248f0dc30e6711d8aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
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[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `nickel_lang_utils`
[INFO] [stdout]    --> src/deserialize.rs:587:9
[INFO] [stdout]     |
[INFO] [stdout] 587 |     use nickel_lang_utils::{
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `nickel_lang_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/deserialize.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::ExactSizeIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/environment.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TermPos` is imported redundantly
[INFO] [stdout]  --> src/eval/fixpoint.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::{merge::RevertClosurize, *};
[INFO] [stdout]   |                                     - the item `TermPos` is already imported here
[INFO] [stdout] 3 | use crate::{position::TermPos, term::SharedTerm};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Closurize` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `Closurize` is already imported here
[INFO] [stdout] 29 | use crate::closurize::Closurize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EvalError` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `EvalError` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 31 | use crate::error::{EvalError, IllegalPolymorphicTailAction};
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TermPos` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `TermPos` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::position::TermPos;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Field` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `Field` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 35 |     record::{self, Field, FieldDeps, FieldMetadata, RecordAttrs, RecordData},
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RecordData` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:35:66
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `RecordData` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 35 |     record::{self, Field, FieldDeps, FieldMetadata, RecordAttrs, RecordData},
[INFO] [stdout]    |                                                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BinaryOp` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `BinaryOp` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 36 |     BinaryOp, IndexMap, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RichTerm` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `RichTerm` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 36 |     BinaryOp, IndexMap, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Term` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:36:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `Term` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 36 |     BinaryOp, IndexMap, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `record` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |         record::{self, Field, FieldMetadata, RecordData},
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 33 |         string::NickelString,
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `record` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Zero` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `Zero` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 42 |         basic::traits::Zero,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RoundingFrom` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `RoundingFrom` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 43 |         conversion::traits::{RoundingFrom, ToSci},
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToSci` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:43:44
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `ToSci` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 43 |         conversion::traits::{RoundingFrom, ToSci},
[INFO] [stdout]    |                                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RoundingMode` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `RoundingMode` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 45 |     rounding_modes::RoundingMode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Integer` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `Integer` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 46 |     Integer,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:53:11
[INFO] [stdout]    |
[INFO] [stdout] 53 | use std::{convert::TryFrom, iter::Extend, rc::Rc};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Extend` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 | use std::{convert::TryFrom, iter::Extend, rc::Rc};
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Extend` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RawSpan` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 2  | use super::{error::InvalidRecordTypeError, *};
[INFO] [stdout]    |                                            - the item `RawSpan` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 10 |     position::{RawSpan, TermPos},
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RichTerm` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:13:37
[INFO] [stdout]    |
[INFO] [stdout] 2  | use super::{error::InvalidRecordTypeError, *};
[INFO] [stdout]    |                                            - the item `RichTerm` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 |         LabeledType, MergePriority, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Type` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:16:94
[INFO] [stdout]    |
[INFO] [stdout] 2  | use super::{error::InvalidRecordTypeError, *};
[INFO] [stdout]    |                                            - the item `Type` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 16 |         DictTypeFlavour, EnumRows, EnumRowsIteratorItem, RecordRow, RecordRows, RecordRowsF, Type,
[INFO] [stdout]    |                                                                                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `codespan` is imported redundantly
[INFO] [stdout]  --> src/position.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use codespan::{self, ByteIndex, FileId};
[INFO] [stdout]   |                ^^^^ the item `codespan` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Zero` is imported redundantly
[INFO] [stdout]   --> src/pretty.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 9  |     *,
[INFO] [stdout]    |     - the item `Zero` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use malachite::num::{basic::traits::Zero, conversion::traits::ToSci};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToSci` is imported redundantly
[INFO] [stdout]   --> src/pretty.rs:13:43
[INFO] [stdout]    |
[INFO] [stdout] 9  |     *,
[INFO] [stdout]    |     - the item `ToSci` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use malachite::num::{basic::traits::Zero, conversion::traits::ToSci};
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/program.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     result::Result,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Style` is imported redundantly
[INFO] [stdout]   --> src/repl/rustyline_frontend.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use super::{command::Command, *};
[INFO] [stdout]    |                               - the item `Style` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 11 | use ansi_term::Style;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EvalError` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `EvalError` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 4 |     error::EvalError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LocIdent` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `LocIdent` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 5 |     identifier::{Ident, LocIdent},
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Label` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Label` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 6 |     label::Label,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rc` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Rc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 8 | use std::{collections::HashSet, rc::Rc};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]   --> src/term/mod.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |     cmp::{Ordering, PartialOrd},
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]   --> src/typecheck/mod.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 |     convert::{Infallible, TryInto},
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypecheckError` is imported redundantly
[INFO] [stdout]  --> src/typecheck/operation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `TypecheckError` is already imported here
[INFO] [stdout] 3 | use crate::{
[INFO] [stdout] 4 |     error::TypecheckError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypeF` is imported redundantly
[INFO] [stdout]  --> src/typecheck/operation.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `TypeF` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 7 |     typ::TypeF,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LocIdent` is imported redundantly
[INFO] [stdout]   --> src/typecheck/eq.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | use super::*;
[INFO] [stdout]    |     -------- the item `LocIdent` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 53 |     identifier::LocIdent,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Field` is imported redundantly
[INFO] [stdout]   --> src/typecheck/eq.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 46 | use super::*;
[INFO] [stdout]    |     -------- the item `Field` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 54 |     term::{self, record::Field, IndexMap, UnaryOp},
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IndexMap` is imported redundantly
[INFO] [stdout]   --> src/typecheck/eq.rs:54:33
[INFO] [stdout]    |
[INFO] [stdout] 46 | use super::*;
[INFO] [stdout]    |     -------- the item `IndexMap` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 54 |     term::{self, record::Field, IndexMap, UnaryOp},
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/deserialize.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::ExactSizeIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/environment.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TermPos` is imported redundantly
[INFO] [stdout]  --> src/eval/fixpoint.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::{merge::RevertClosurize, *};
[INFO] [stdout]   |                                     - the item `TermPos` is already imported here
[INFO] [stdout] 3 | use crate::{position::TermPos, term::SharedTerm};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Closurize` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `Closurize` is already imported here
[INFO] [stdout] 29 | use crate::closurize::Closurize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EvalError` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `EvalError` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 31 | use crate::error::{EvalError, IllegalPolymorphicTailAction};
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TermPos` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `TermPos` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 33 | use crate::position::TermPos;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Field` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `Field` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 35 |     record::{self, Field, FieldDeps, FieldMetadata, RecordAttrs, RecordData},
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RecordData` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:35:66
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `RecordData` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 35 |     record::{self, Field, FieldDeps, FieldMetadata, RecordAttrs, RecordData},
[INFO] [stdout]    |                                                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BinaryOp` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `BinaryOp` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 36 |     BinaryOp, IndexMap, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RichTerm` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `RichTerm` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 36 |     BinaryOp, IndexMap, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Term` is imported redundantly
[INFO] [stdout]   --> src/eval/merge.rs:36:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | use super::*;
[INFO] [stdout]    |     -------- the item `Term` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 36 |     BinaryOp, IndexMap, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `record` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |         record::{self, Field, FieldMetadata, RecordData},
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 33 |         string::NickelString,
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `record` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Zero` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `Zero` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 42 |         basic::traits::Zero,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RoundingFrom` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `RoundingFrom` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 43 |         conversion::traits::{RoundingFrom, ToSci},
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToSci` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:43:44
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `ToSci` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 43 |         conversion::traits::{RoundingFrom, ToSci},
[INFO] [stdout]    |                                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RoundingMode` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `RoundingMode` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 45 |     rounding_modes::RoundingMode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Integer` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |         *,
[INFO] [stdout]    |         - the item `Integer` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 46 |     Integer,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:53:11
[INFO] [stdout]    |
[INFO] [stdout] 53 | use std::{convert::TryFrom, iter::Extend, rc::Rc};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Extend` is imported redundantly
[INFO] [stdout]   --> src/eval/operation.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 | use std::{convert::TryFrom, iter::Extend, rc::Rc};
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Extend` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Environment` is imported redundantly
[INFO] [stdout]     --> src/eval/operation.rs:3336:9
[INFO] [stdout]      |
[INFO] [stdout] 3333 |     use super::*;
[INFO] [stdout]      |         -------- the item `Environment` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 3336 |     use crate::eval::Environment;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BinaryOp` is imported redundantly
[INFO] [stdout]  --> src/eval/tests.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `BinaryOp` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 9 | use crate::term::{BinaryOp, StrChunk, UnaryOp};
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `StrChunk` is imported redundantly
[INFO] [stdout]  --> src/eval/tests.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `StrChunk` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 9 | use crate::term::{BinaryOp, StrChunk, UnaryOp};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UnaryOp` is imported redundantly
[INFO] [stdout]  --> src/eval/tests.rs:9:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `UnaryOp` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 9 | use crate::term::{BinaryOp, StrChunk, UnaryOp};
[INFO] [stdout]   |                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RawSpan` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 2  | use super::{error::InvalidRecordTypeError, *};
[INFO] [stdout]    |                                            - the item `RawSpan` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 10 |     position::{RawSpan, TermPos},
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RichTerm` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:13:37
[INFO] [stdout]    |
[INFO] [stdout] 2  | use super::{error::InvalidRecordTypeError, *};
[INFO] [stdout]    |                                            - the item `RichTerm` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 |         LabeledType, MergePriority, RichTerm, Term, TypeAnnotation,
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Type` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:16:94
[INFO] [stdout]    |
[INFO] [stdout] 2  | use super::{error::InvalidRecordTypeError, *};
[INFO] [stdout]    |                                            - the item `Type` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 16 |         DictTypeFlavour, EnumRows, EnumRowsIteratorItem, RecordRow, RecordRows, RecordRowsF, Type,
[INFO] [stdout]    |                                                                                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/parser/uniterm.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `codespan` is imported redundantly
[INFO] [stdout]  --> src/position.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use codespan::{self, ByteIndex, FileId};
[INFO] [stdout]   |                ^^^^ the item `codespan` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Zero` is imported redundantly
[INFO] [stdout]   --> src/pretty.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 9  |     *,
[INFO] [stdout]    |     - the item `Zero` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use malachite::num::{basic::traits::Zero, conversion::traits::ToSci};
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToSci` is imported redundantly
[INFO] [stdout]   --> src/pretty.rs:13:43
[INFO] [stdout]    |
[INFO] [stdout] 9  |     *,
[INFO] [stdout]    |     - the item `ToSci` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use malachite::num::{basic::traits::Zero, conversion::traits::ToSci};
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EvalError` is imported redundantly
[INFO] [stdout]    --> src/program.rs:899:9
[INFO] [stdout]     |
[INFO] [stdout] 898 |     use super::*;
[INFO] [stdout]     |         -------- the item `EvalError` is already imported here
[INFO] [stdout] 899 |     use crate::error::EvalError;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LocIdent` is imported redundantly
[INFO] [stdout]    --> src/program.rs:901:9
[INFO] [stdout]     |
[INFO] [stdout] 898 |     use super::*;
[INFO] [stdout]     |         -------- the item `LocIdent` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 901 |     use crate::identifier::LocIdent;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cursor` is imported redundantly
[INFO] [stdout]    --> src/program.rs:905:9
[INFO] [stdout]     |
[INFO] [stdout] 898 |     use super::*;
[INFO] [stdout]     |         -------- the item `Cursor` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 905 |     use std::io::Cursor;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Style` is imported redundantly
[INFO] [stdout]   --> src/repl/rustyline_frontend.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use super::{command::Command, *};
[INFO] [stdout]    |                               - the item `Style` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 11 | use ansi_term::Style;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EvalError` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `EvalError` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 4 |     error::EvalError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LocIdent` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `LocIdent` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 5 |     identifier::{Ident, LocIdent},
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Label` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Label` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 6 |     label::Label,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rc` is imported redundantly
[INFO] [stdout]  --> src/term/record.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Rc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 8 | use std::{collections::HashSet, rc::Rc};
[INFO] [stdout]   |                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]   --> src/term/mod.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |     cmp::{Ordering, PartialOrd},
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RichTerm` is imported redundantly
[INFO] [stdout]    --> src/term/make/builder.rs:375:16
[INFO] [stdout]     |
[INFO] [stdout] 375 |         term::{RichTerm, TypeAnnotation},
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |     use super::*;
[INFO] [stdout]     |         -------- the item `RichTerm` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Type` is imported redundantly
[INFO] [stdout]    --> src/term/make/builder.rs:376:15
[INFO] [stdout]     |
[INFO] [stdout] 376 |         typ::{Type, TypeF},
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |     use super::*;
[INFO] [stdout]     |         -------- the item `Type` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]   --> src/typecheck/mod.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 |     convert::{Infallible, TryInto},
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]   --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypecheckError` is imported redundantly
[INFO] [stdout]  --> src/typecheck/operation.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `TypecheckError` is already imported here
[INFO] [stdout] 3 | use crate::{
[INFO] [stdout] 4 |     error::TypecheckError,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypeF` is imported redundantly
[INFO] [stdout]  --> src/typecheck/operation.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `TypeF` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 7 |     typ::TypeF,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LocIdent` is imported redundantly
[INFO] [stdout]   --> src/typecheck/eq.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | use super::*;
[INFO] [stdout]    |     -------- the item `LocIdent` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 53 |     identifier::LocIdent,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Field` is imported redundantly
[INFO] [stdout]   --> src/typecheck/eq.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 46 | use super::*;
[INFO] [stdout]    |     -------- the item `Field` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 54 |     term::{self, record::Field, IndexMap, UnaryOp},
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IndexMap` is imported redundantly
[INFO] [stdout]   --> src/typecheck/eq.rs:54:33
[INFO] [stdout]    |
[INFO] [stdout] 46 | use super::*;
[INFO] [stdout]    |     -------- the item `IndexMap` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 54 |     term::{self, record::Field, IndexMap, UnaryOp},
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nickel-lang-core` (lib test) due to 2 previous errors; 47 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d83912b7b829fa33802219d56ec27f7e83ff3ca6de833248f0dc30e6711d8aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d83912b7b829fa33802219d56ec27f7e83ff3ca6de833248f0dc30e6711d8aa", kill_on_drop: false }`
[INFO] [stdout] 9d83912b7b829fa33802219d56ec27f7e83ff3ca6de833248f0dc30e6711d8aa
