[INFO] fetching crate cargo-semverver 0.34.0...
[INFO] checking cargo-semverver-0.34.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate cargo-semverver 0.34.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cargo-semverver 0.34.0 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 cargo-semverver 0.34.0
[INFO] finished tweaking crates.io crate cargo-semverver 0.34.0
[INFO] tweaked toml for crates.io crate cargo-semverver 0.34.0 written to /workspace/builds/worker-0-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 }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shell-escape v0.1.5
[INFO] [stderr]   Downloaded rustc-workspace-hack v1.0.0
[INFO] [stderr]   Downloaded commoncrypto-sys v0.2.0
[INFO] [stderr]   Downloaded crypto-hash v0.3.4
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[INFO] [stderr]   Downloaded commoncrypto v0.2.0
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[INFO] [stderr]   Downloaded im-rc v12.3.4
[INFO] [stderr]   Downloaded hex v0.3.2
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[INFO] [stderr]   Downloaded openssl-src v300.2.3+3.2.1
[INFO] [stderr]   Downloaded crates-io-semverver v0.22.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 }`
[INFO] [stdout] f86bacd430285b25f4832cc86313f4a7e92d13b7c1c03411efcd6fea98fde20a
[INFO] running `Command { std: "docker" "start" "-a" "f86bacd430285b25f4832cc86313f4a7e92d13b7c1c03411efcd6fea98fde20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f86bacd430285b25f4832cc86313f4a7e92d13b7c1c03411efcd6fea98fde20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f86bacd430285b25f4832cc86313f4a7e92d13b7c1c03411efcd6fea98fde20a", kill_on_drop: false }`
[INFO] [stdout] f86bacd430285b25f4832cc86313f4a7e92d13b7c1c03411efcd6fea98fde20a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e212578b22c818917b20156b53752f36876bba72bd7c97b8d5acf7645d2e82a0
[INFO] running `Command { std: "docker" "start" "-a" "e212578b22c818917b20156b53752f36876bba72bd7c97b8d5acf7645d2e82a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libz-sys v1.1.16
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.9+1.58.0
[INFO] [stderr]    Compiling curl-sys v0.4.72+curl-8.6.0
[INFO] [stderr]     Checking openssl-sys v0.9.102
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling curl v0.4.46
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]    Compiling num-traits v0.2.18
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[INFO] [stderr]     Checking semver-parser v0.7.0
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[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]     Checking semver v0.9.0
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[INFO] [stderr]     Checking env_logger v0.6.2
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[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking opener v0.3.2
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking crates-io-semverver v0.22.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking jobserver v0.1.28
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking home v0.3.4
[INFO] [stderr]     Checking bytesize v1.3.0
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]    Compiling im-rc v12.3.4
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking bufstream v0.1.4
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[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking git2-curl v0.9.0
[INFO] [stderr]     Checking cargo-semverver v0.34.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Metadata`
[INFO] [stdout]   --> src/cargo/core/compiler/context/mod.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub use self::compilation_files::{Metadata, OutputFile};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cargo/core/features.rs:153:1
[INFO] [stdout]     |
[INFO] [stdout] 153 | / /// A listing of all features in Cargo
[INFO] [stdout] 154 | | ///
[INFO] [stdout] 155 | | /// "look here"
[INFO] [stdout] 156 | | ///
[INFO] [stdout] ...   |
[INFO] [stdout] 162 | | /// character is translated to `-` when specified in the `cargo-features`
[INFO] [stdout] 163 | | /// manifest entry in `Cargo.toml`.
[INFO] [stdout]     | |_----------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `semver` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/package_id.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use semver;
[INFO] [stdout]   |     ^^^^^^ the item `semver` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EncodableDependency`, `EncodablePackageId`, `EncodableResolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use super::encode::{EncodableDependency, EncodablePackageId, EncodableResolve};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Metadata`, `WorkspaceResolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use super::encode::{Metadata, WorkspaceResolve};
[INFO] [stdout]    |                         ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::resolve::Resolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use super::resolve::Resolve;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `semver` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/resolver/errors.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use semver;
[INFO] [stdout]   |     ^^^^^^ the item `semver` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `im_rc` is imported redundantly
[INFO] [stdout]   --> src/cargo/core/resolver/types.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use im_rc;
[INFO] [stdout]    |     ^^^^^ the item `im_rc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `atty` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/shell.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use atty;
[INFO] [stdout]   |     ^^^^ the item `atty` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `termcolor` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/shell.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use termcolor::{self, Color, ColorSpec, StandardStream, WriteColor};
[INFO] [stdout]   |                 ^^^^ the item `termcolor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/cargo/core/shell.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |     use libc;
[INFO] [stdout]     |         ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/cargo/core/workspace.rs:352:10
[INFO] [stdout]     |
[INFO] [stdout] 352 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `opener` is imported redundantly
[INFO] [stdout]  --> src/cargo/ops/cargo_doc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use opener;
[INFO] [stdout]   |     ^^^^^^ the item `opener` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]   --> src/cargo/ops/cargo_new.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use toml;
[INFO] [stdout]    |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/cargo/ops/cargo_package.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json::{self, json};
[INFO] [stdout]    |                  ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rustfix` is imported redundantly
[INFO] [stdout]   --> src/cargo/ops/fix.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rustfix::{self, CodeFix};
[INFO] [stdout]    |               ^^^^ the item `rustfix` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/cargo/ops/lockfile.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `git2` is imported redundantly
[INFO] [stdout]  --> src/cargo/sources/git/utils.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use git2::{self, ObjectType};
[INFO] [stdout]   |            ^^^^ the item `git2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/cargo/sources/registry/local.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use hex;
[INFO] [stdout]    |     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap` is imported redundantly
[INFO] [stdout]   --> src/cargo/util/command_prelude.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use clap::{self, SubCommand};
[INFO] [stdout]    |            ^^^^ the item `clap` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/errors.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use clap;
[INFO] [stdout]   |     ^^^^ the item `clap` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/cargo/util/errors.rs:310:13
[INFO] [stdout]     |
[INFO] [stdout] 310 |         use libc;
[INFO] [stdout]     |             ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/hex.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hex;
[INFO] [stdout]   |     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/cargo/util/job.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     use libc;
[INFO] [stdout]    |         ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/machine_message.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::{self, json, value::RawValue};
[INFO] [stdout]   |                  ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `curl` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/network.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use curl;
[INFO] [stdout]   |     ^^^^ the item `curl` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `git2` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/network.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use git2;
[INFO] [stdout]   |     ^^^^ the item `git2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `OsStr` is imported redundantly
[INFO] [stdout]    --> src/cargo/util/paths.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 2   | use std::ffi::{OsStr, OsString};
[INFO] [stdout]     |                ----- the item `OsStr` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 218 |     use std::ffi::OsStr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `Metadata`
[INFO] [stdout]   --> src/cargo/core/compiler/context/mod.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub use self::compilation_files::{Metadata, OutputFile};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/cargo/lib.rs:1:24
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/read2.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use libc;
[INFO] [stdout]   |         ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `semver` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/toml/mod.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | use semver::{self, VersionReq};
[INFO] [stdout]   |              ^^^^ the item `semver` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `git2` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/vcs.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use git2;
[INFO] [stdout]   |     ^^^^ the item `git2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused doc comment
[INFO] [stdout]    --> src/cargo/core/features.rs:153:1
[INFO] [stdout]     |
[INFO] [stdout] 153 | / /// A listing of all features in Cargo
[INFO] [stdout] 154 | | ///
[INFO] [stdout] 155 | | /// "look here"
[INFO] [stdout] 156 | | ///
[INFO] [stdout] ...   |
[INFO] [stdout] 162 | | /// character is translated to `-` when specified in the `cargo-features`
[INFO] [stdout] 163 | | /// manifest entry in `Cargo.toml`.
[INFO] [stdout]     | |_----------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[deny(unused_doc_comments)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `semver` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/package_id.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use semver;
[INFO] [stdout]   |     ^^^^^^ the item `semver` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused imports: `EncodableDependency`, `EncodablePackageId`, `EncodableResolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use super::encode::{EncodableDependency, EncodablePackageId, EncodableResolve};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused imports: `Metadata`, `WorkspaceResolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use super::encode::{Metadata, WorkspaceResolve};
[INFO] [stdout]    |                         ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `super::resolve::Resolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use super::resolve::Resolve;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `semver` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/resolver/errors.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use semver;
[INFO] [stdout]   |     ^^^^^^ the item `semver` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `im_rc` is imported redundantly
[INFO] [stdout]   --> src/cargo/core/resolver/types.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use im_rc;
[INFO] [stdout]    |     ^^^^^ the item `im_rc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `atty` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/shell.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use atty;
[INFO] [stdout]   |     ^^^^ the item `atty` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `termcolor` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/shell.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use termcolor::{self, Color, ColorSpec, StandardStream, WriteColor};
[INFO] [stdout]   |                 ^^^^ the item `termcolor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/cargo/core/shell.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |     use libc;
[INFO] [stdout]     |         ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary trailing semicolon
[INFO] [stdout]    --> src/cargo/core/workspace.rs:352:10
[INFO] [stdout]     |
[INFO] [stdout] 352 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(redundant_semicolons)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `opener` is imported redundantly
[INFO] [stdout]  --> src/cargo/ops/cargo_doc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use opener;
[INFO] [stdout]   |     ^^^^^^ the item `opener` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `toml` is imported redundantly
[INFO] [stdout]   --> src/cargo/ops/cargo_new.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use toml;
[INFO] [stdout]    |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/cargo/ops/cargo_package.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json::{self, json};
[INFO] [stdout]    |                  ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `rustfix` is imported redundantly
[INFO] [stdout]   --> src/cargo/ops/fix.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rustfix::{self, CodeFix};
[INFO] [stdout]    |               ^^^^ the item `rustfix` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/cargo/ops/lockfile.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `git2` is imported redundantly
[INFO] [stdout]  --> src/cargo/sources/git/utils.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use git2::{self, ObjectType};
[INFO] [stdout]   |            ^^^^ the item `git2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/cargo/sources/registry/local.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use hex;
[INFO] [stdout]    |     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `clap` is imported redundantly
[INFO] [stdout]   --> src/cargo/util/command_prelude.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use clap::{self, SubCommand};
[INFO] [stdout]    |            ^^^^ the item `clap` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `clap` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/errors.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use clap;
[INFO] [stdout]   |     ^^^^ the item `clap` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/cargo/util/errors.rs:310:13
[INFO] [stdout]     |
[INFO] [stdout] 310 |         use libc;
[INFO] [stdout]     |             ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/hex.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hex;
[INFO] [stdout]   |     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/cargo/util/job.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     use libc;
[INFO] [stdout]    |         ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/machine_message.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::{self, json, value::RawValue};
[INFO] [stdout]   |                  ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `curl` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/network.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use curl;
[INFO] [stdout]   |     ^^^^ the item `curl` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `git2` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/network.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use git2;
[INFO] [stdout]   |     ^^^^ the item `git2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `OsStr` is imported redundantly
[INFO] [stdout]    --> src/cargo/util/paths.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 2   | use std::ffi::{OsStr, OsString};
[INFO] [stdout]     |                ----- the item `OsStr` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 218 |     use std::ffi::OsStr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/read2.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use libc;
[INFO] [stdout]   |         ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `semver` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/toml/mod.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | use semver::{self, VersionReq};
[INFO] [stdout]   |              ^^^^ the item `semver` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `git2` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/vcs.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use git2;
[INFO] [stdout]   |     ^^^^ the item `git2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/cargo/core/source/source_id.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::atomic::{AtomicBool, ATOMIC_BOOL_INIT};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cargo/core/source/source_id.rs:196:45
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 static WARNED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 static WARNED: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]     |                                             ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cargo/util/config.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cargo/util/config.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 83 |         static INIT: Once = ONCE_INIT;
[INFO] [stdout]    |                             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 83 |         static INIT: Once = Once::new();
[INFO] [stdout]    |                             ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/cargo/core/source/source_id.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::atomic::{AtomicBool, ATOMIC_BOOL_INIT};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cargo/core/source/source_id.rs:196:45
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 static WARNED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 static WARNED: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]     |                                             ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cargo/util/config.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cargo/util/config.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 83 |         static INIT: Once = ONCE_INIT;
[INFO] [stdout]    |                             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 83 |         static INIT: Once = Once::new();
[INFO] [stdout]    |                             ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/build_context/mod.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct BuildContext<'a, 'cfg: 'a> {
[INFO] [stdout]    |                                 ^^^^ help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(explicit_outlives_requirements)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/context/mod.rs:74:28
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Context<'a, 'cfg: 'a> {
[INFO] [stdout]    |                            ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/context/unit_dependencies.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct State<'a: 'tmp, 'cfg: 'a, 'tmp> {
[INFO] [stdout]    |                ^^^^^^      ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these bounds
[INFO] [stdout]    |
[INFO] [stdout] 30 - struct State<'a: 'tmp, 'cfg: 'a, 'tmp> {
[INFO] [stdout] 30 + struct State<'a, 'cfg, 'tmp> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/context/compilation_files.rs:24:37
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct CompilationFiles<'a, 'cfg: 'a> {
[INFO] [stdout]    |                                     ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: outlives requirements can be inferred
[INFO] [stdout]    --> src/cargo/core/package.rs:274:30
[INFO] [stdout]     |
[INFO] [stdout] 274 | pub struct Downloads<'a, 'cfg: 'a> {
[INFO] [stdout]     |                              ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: outlives requirements can be inferred
[INFO] [stdout]    --> src/cargo/core/resolver/encode.rs:328:37
[INFO] [stdout]     |
[INFO] [stdout] 328 | pub struct WorkspaceResolve<'a, 'cfg: 'a> {
[INFO] [stdout]     |                                     ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: outlives requirements can be inferred
[INFO] [stdout]    --> src/cargo/core/workspace.rs:122:28
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct Members<'a, 'cfg: 'a> {
[INFO] [stdout]     |                            ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `TempDir::into_path` that must be used
[INFO] [stdout]    --> src/cargo/ops/cargo_install.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |             td.into_path();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 264 |             let _ = td.into_path();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/cargo/sources/git/utils.rs:825:17
[INFO] [stdout]     |
[INFO] [stdout] 825 |                 mem::replace(repo, new);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 825 |                 let _ = mem::replace(repo, new);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/build_context/mod.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct BuildContext<'a, 'cfg: 'a> {
[INFO] [stdout]    |                                 ^^^^ help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/cargo/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![warn(rust_2018_idioms)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(explicit_outlives_requirements)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/context/mod.rs:74:28
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Context<'a, 'cfg: 'a> {
[INFO] [stdout]    |                            ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/context/unit_dependencies.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct State<'a: 'tmp, 'cfg: 'a, 'tmp> {
[INFO] [stdout]    |                ^^^^^^      ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these bounds
[INFO] [stdout]    |
[INFO] [stdout] 30 - struct State<'a: 'tmp, 'cfg: 'a, 'tmp> {
[INFO] [stdout] 30 + struct State<'a, 'cfg, 'tmp> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/context/compilation_files.rs:24:37
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct CompilationFiles<'a, 'cfg: 'a> {
[INFO] [stdout]    |                                     ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]    --> src/cargo/core/package.rs:274:30
[INFO] [stdout]     |
[INFO] [stdout] 274 | pub struct Downloads<'a, 'cfg: 'a> {
[INFO] [stdout]     |                              ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]    --> src/cargo/core/resolver/encode.rs:328:37
[INFO] [stdout]     |
[INFO] [stdout] 328 | pub struct WorkspaceResolve<'a, 'cfg: 'a> {
[INFO] [stdout]     |                                     ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]    --> src/cargo/core/workspace.rs:122:28
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct Members<'a, 'cfg: 'a> {
[INFO] [stdout]     |                            ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `TempDir::into_path` that must be used
[INFO] [stdout]    --> src/cargo/ops/cargo_install.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |             td.into_path();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 264 |             let _ = td.into_path();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/cargo/sources/git/utils.rs:825:17
[INFO] [stdout]     |
[INFO] [stdout] 825 |                 mem::replace(repo, new);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 825 |                 let _ = mem::replace(repo, new);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 44 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-semverver` (lib test) due to 45 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 44 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e212578b22c818917b20156b53752f36876bba72bd7c97b8d5acf7645d2e82a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e212578b22c818917b20156b53752f36876bba72bd7c97b8d5acf7645d2e82a0", kill_on_drop: false }`
[INFO] [stdout] e212578b22c818917b20156b53752f36876bba72bd7c97b8d5acf7645d2e82a0
[INFO] checking cargo-semverver-0.34.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate cargo-semverver 0.34.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate cargo-semverver 0.34.0 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 cargo-semverver 0.34.0
[INFO] finished tweaking crates.io crate cargo-semverver 0.34.0
[INFO] tweaked toml for crates.io crate cargo-semverver 0.34.0 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1cf659a9b291bef793407854dd6072e09d2dd8f127d56f212b3aa2439e19895f
[INFO] running `Command { std: "docker" "start" "-a" "1cf659a9b291bef793407854dd6072e09d2dd8f127d56f212b3aa2439e19895f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cf659a9b291bef793407854dd6072e09d2dd8f127d56f212b3aa2439e19895f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf659a9b291bef793407854dd6072e09d2dd8f127d56f212b3aa2439e19895f", kill_on_drop: false }`
[INFO] [stdout] 1cf659a9b291bef793407854dd6072e09d2dd8f127d56f212b3aa2439e19895f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4afe4a03878d8085a3b96444b6ffd2391599542c6832e8c634448b969e2fbaa2
[INFO] running `Command { std: "docker" "start" "-a" "4afe4a03878d8085a3b96444b6ffd2391599542c6832e8c634448b969e2fbaa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libz-sys v1.1.16
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.9+1.58.0
[INFO] [stderr]    Compiling curl-sys v0.4.72+curl-8.6.0
[INFO] [stderr]     Checking openssl-sys v0.9.102
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling curl v0.4.46
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking openssl v0.10.64
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[INFO] [stderr]     Checking crates-io-semverver v0.22.0
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking jobserver v0.1.28
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking home v0.3.4
[INFO] [stderr]    Compiling im-rc v12.3.4
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
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[INFO] [stderr]     Checking cargo-semverver v0.34.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused import: `Metadata`
[INFO] [stdout]   --> src/cargo/core/compiler/context/mod.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub use self::compilation_files::{Metadata, OutputFile};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/cargo/lib.rs:1:24
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused doc comment
[INFO] [stdout]    --> src/cargo/core/features.rs:153:1
[INFO] [stdout]     |
[INFO] [stdout] 153 | / /// A listing of all features in Cargo
[INFO] [stdout] 154 | | ///
[INFO] [stdout] 155 | | /// "look here"
[INFO] [stdout] 156 | | ///
[INFO] [stdout] ...   |
[INFO] [stdout] 162 | | /// character is translated to `-` when specified in the `cargo-features`
[INFO] [stdout] 163 | | /// manifest entry in `Cargo.toml`.
[INFO] [stdout]     | |_----------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[deny(unused_doc_comments)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `semver` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/package_id.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use semver;
[INFO] [stdout]   |     ^^^^^^ the item `semver` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused imports: `EncodableDependency`, `EncodablePackageId`, `EncodableResolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use super::encode::{EncodableDependency, EncodablePackageId, EncodableResolve};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused imports: `Metadata`, `WorkspaceResolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use super::encode::{Metadata, WorkspaceResolve};
[INFO] [stdout]    |                         ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `super::resolve::Resolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use super::resolve::Resolve;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `semver` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/resolver/errors.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use semver;
[INFO] [stdout]   |     ^^^^^^ the item `semver` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `im_rc` is imported redundantly
[INFO] [stdout]   --> src/cargo/core/resolver/types.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use im_rc;
[INFO] [stdout]    |     ^^^^^ the item `im_rc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `atty` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/shell.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use atty;
[INFO] [stdout]   |     ^^^^ the item `atty` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `termcolor` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/shell.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use termcolor::{self, Color, ColorSpec, StandardStream, WriteColor};
[INFO] [stdout]   |                 ^^^^ the item `termcolor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/cargo/core/shell.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |     use libc;
[INFO] [stdout]     |         ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary trailing semicolon
[INFO] [stdout]    --> src/cargo/core/workspace.rs:352:10
[INFO] [stdout]     |
[INFO] [stdout] 352 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(redundant_semicolons)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `opener` is imported redundantly
[INFO] [stdout]  --> src/cargo/ops/cargo_doc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use opener;
[INFO] [stdout]   |     ^^^^^^ the item `opener` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `toml` is imported redundantly
[INFO] [stdout]   --> src/cargo/ops/cargo_new.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use toml;
[INFO] [stdout]    |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/cargo/ops/cargo_package.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json::{self, json};
[INFO] [stdout]    |                  ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `rustfix` is imported redundantly
[INFO] [stdout]   --> src/cargo/ops/fix.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rustfix::{self, CodeFix};
[INFO] [stdout]    |               ^^^^ the item `rustfix` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/cargo/ops/lockfile.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `git2` is imported redundantly
[INFO] [stdout]  --> src/cargo/sources/git/utils.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use git2::{self, ObjectType};
[INFO] [stdout]   |            ^^^^ the item `git2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Metadata`
[INFO] [stdout]   --> src/cargo/core/compiler/context/mod.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub use self::compilation_files::{Metadata, OutputFile};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/cargo/sources/registry/local.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use hex;
[INFO] [stdout]    |     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `clap` is imported redundantly
[INFO] [stdout]   --> src/cargo/util/command_prelude.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use clap::{self, SubCommand};
[INFO] [stdout]    |            ^^^^ the item `clap` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cargo/core/features.rs:153:1
[INFO] [stdout]     |
[INFO] [stdout] 153 | / /// A listing of all features in Cargo
[INFO] [stdout] 154 | | ///
[INFO] [stdout] 155 | | /// "look here"
[INFO] [stdout] 156 | | ///
[INFO] [stdout] ...   |
[INFO] [stdout] 162 | | /// character is translated to `-` when specified in the `cargo-features`
[INFO] [stdout] 163 | | /// manifest entry in `Cargo.toml`.
[INFO] [stdout]     | |_----------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `clap` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/errors.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use clap;
[INFO] [stdout]   |     ^^^^ the item `clap` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/cargo/util/errors.rs:310:13
[INFO] [stdout]     |
[INFO] [stdout] 310 |         use libc;
[INFO] [stdout]     |             ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `semver` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/package_id.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use semver;
[INFO] [stdout]   |     ^^^^^^ the item `semver` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/hex.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hex;
[INFO] [stdout]   |     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/cargo/util/job.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     use libc;
[INFO] [stdout]    |         ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/machine_message.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::{self, json, value::RawValue};
[INFO] [stdout]   |                  ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `curl` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/network.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use curl;
[INFO] [stdout]   |     ^^^^ the item `curl` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `git2` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/network.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use git2;
[INFO] [stdout]   |     ^^^^ the item `git2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `OsStr` is imported redundantly
[INFO] [stdout]    --> src/cargo/util/paths.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 2   | use std::ffi::{OsStr, OsString};
[INFO] [stdout]     |                ----- the item `OsStr` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 218 |     use std::ffi::OsStr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EncodableDependency`, `EncodablePackageId`, `EncodableResolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use super::encode::{EncodableDependency, EncodablePackageId, EncodableResolve};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Metadata`, `WorkspaceResolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use super::encode::{Metadata, WorkspaceResolve};
[INFO] [stdout]    |                         ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::resolve::Resolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use super::resolve::Resolve;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `semver` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/resolver/errors.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use semver;
[INFO] [stdout]   |     ^^^^^^ the item `semver` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `im_rc` is imported redundantly
[INFO] [stdout]   --> src/cargo/core/resolver/types.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use im_rc;
[INFO] [stdout]    |     ^^^^^ the item `im_rc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `atty` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/shell.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use atty;
[INFO] [stdout]   |     ^^^^ the item `atty` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `termcolor` is imported redundantly
[INFO] [stdout]  --> src/cargo/core/shell.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use termcolor::{self, Color, ColorSpec, StandardStream, WriteColor};
[INFO] [stdout]   |                 ^^^^ the item `termcolor` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/read2.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use libc;
[INFO] [stdout]   |         ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `semver` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/toml/mod.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | use semver::{self, VersionReq};
[INFO] [stdout]   |              ^^^^ the item `semver` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/cargo/core/shell.rs:342:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |     use libc;
[INFO] [stdout]     |         ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `git2` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/vcs.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use git2;
[INFO] [stdout]   |     ^^^^ the item `git2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/cargo/core/workspace.rs:352:10
[INFO] [stdout]     |
[INFO] [stdout] 352 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `opener` is imported redundantly
[INFO] [stdout]  --> src/cargo/ops/cargo_doc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use opener;
[INFO] [stdout]   |     ^^^^^^ the item `opener` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]   --> src/cargo/ops/cargo_new.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use toml;
[INFO] [stdout]    |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/cargo/ops/cargo_package.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json::{self, json};
[INFO] [stdout]    |                  ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rustfix` is imported redundantly
[INFO] [stdout]   --> src/cargo/ops/fix.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rustfix::{self, CodeFix};
[INFO] [stdout]    |               ^^^^ the item `rustfix` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/cargo/ops/lockfile.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `git2` is imported redundantly
[INFO] [stdout]  --> src/cargo/sources/git/utils.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use git2::{self, ObjectType};
[INFO] [stdout]   |            ^^^^ the item `git2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]   --> src/cargo/sources/registry/local.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use hex;
[INFO] [stdout]    |     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap` is imported redundantly
[INFO] [stdout]   --> src/cargo/util/command_prelude.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use clap::{self, SubCommand};
[INFO] [stdout]    |            ^^^^ the item `clap` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `clap` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/errors.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use clap;
[INFO] [stdout]   |     ^^^^ the item `clap` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/cargo/util/errors.rs:310:13
[INFO] [stdout]     |
[INFO] [stdout] 310 |         use libc;
[INFO] [stdout]     |             ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hex` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/hex.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hex;
[INFO] [stdout]   |     ^^^ the item `hex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/cargo/util/job.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     use libc;
[INFO] [stdout]    |         ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/machine_message.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde_json::{self, json, value::RawValue};
[INFO] [stdout]   |                  ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `curl` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/network.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use curl;
[INFO] [stdout]   |     ^^^^ the item `curl` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `git2` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/network.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use git2;
[INFO] [stdout]   |     ^^^^ the item `git2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `OsStr` is imported redundantly
[INFO] [stdout]    --> src/cargo/util/paths.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 2   | use std::ffi::{OsStr, OsString};
[INFO] [stdout]     |                ----- the item `OsStr` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 218 |     use std::ffi::OsStr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/read2.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use libc;
[INFO] [stdout]   |         ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `semver` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/toml/mod.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | use semver::{self, VersionReq};
[INFO] [stdout]   |              ^^^^ the item `semver` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `git2` is imported redundantly
[INFO] [stdout]  --> src/cargo/util/vcs.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use git2;
[INFO] [stdout]   |     ^^^^ the item `git2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/cargo/core/source/source_id.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::atomic::{AtomicBool, ATOMIC_BOOL_INIT};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cargo/core/source/source_id.rs:196:45
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 static WARNED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 static WARNED: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]     |                                             ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cargo/util/config.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cargo/util/config.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 83 |         static INIT: Once = ONCE_INIT;
[INFO] [stdout]    |                             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 83 |         static INIT: Once = Once::new();
[INFO] [stdout]    |                             ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/cargo/core/source/source_id.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::atomic::{AtomicBool, ATOMIC_BOOL_INIT};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cargo/core/source/source_id.rs:196:45
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 static WARNED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 static WARNED: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]     |                                             ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cargo/util/config.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cargo/util/config.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 83 |         static INIT: Once = ONCE_INIT;
[INFO] [stdout]    |                             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 83 |         static INIT: Once = Once::new();
[INFO] [stdout]    |                             ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/build_context/mod.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct BuildContext<'a, 'cfg: 'a> {
[INFO] [stdout]    |                                 ^^^^ help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(explicit_outlives_requirements)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/context/mod.rs:74:28
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Context<'a, 'cfg: 'a> {
[INFO] [stdout]    |                            ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/context/unit_dependencies.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct State<'a: 'tmp, 'cfg: 'a, 'tmp> {
[INFO] [stdout]    |                ^^^^^^      ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these bounds
[INFO] [stdout]    |
[INFO] [stdout] 30 - struct State<'a: 'tmp, 'cfg: 'a, 'tmp> {
[INFO] [stdout] 30 + struct State<'a, 'cfg, 'tmp> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/context/compilation_files.rs:24:37
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct CompilationFiles<'a, 'cfg: 'a> {
[INFO] [stdout]    |                                     ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: outlives requirements can be inferred
[INFO] [stdout]    --> src/cargo/core/package.rs:274:30
[INFO] [stdout]     |
[INFO] [stdout] 274 | pub struct Downloads<'a, 'cfg: 'a> {
[INFO] [stdout]     |                              ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: outlives requirements can be inferred
[INFO] [stdout]    --> src/cargo/core/resolver/encode.rs:328:37
[INFO] [stdout]     |
[INFO] [stdout] 328 | pub struct WorkspaceResolve<'a, 'cfg: 'a> {
[INFO] [stdout]     |                                     ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: outlives requirements can be inferred
[INFO] [stdout]    --> src/cargo/core/workspace.rs:122:28
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct Members<'a, 'cfg: 'a> {
[INFO] [stdout]     |                            ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `TempDir::into_path` that must be used
[INFO] [stdout]    --> src/cargo/ops/cargo_install.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |             td.into_path();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 264 |             let _ = td.into_path();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/cargo/sources/git/utils.rs:825:17
[INFO] [stdout]     |
[INFO] [stdout] 825 |                 mem::replace(repo, new);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 825 |                 let _ = mem::replace(repo, new);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 44 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/build_context/mod.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct BuildContext<'a, 'cfg: 'a> {
[INFO] [stdout]    |                                 ^^^^ help: remove this bound
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/cargo/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![warn(rust_2018_idioms)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(explicit_outlives_requirements)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/context/mod.rs:74:28
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Context<'a, 'cfg: 'a> {
[INFO] [stdout]    |                            ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/context/unit_dependencies.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct State<'a: 'tmp, 'cfg: 'a, 'tmp> {
[INFO] [stdout]    |                ^^^^^^      ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these bounds
[INFO] [stdout]    |
[INFO] [stdout] 30 - struct State<'a: 'tmp, 'cfg: 'a, 'tmp> {
[INFO] [stdout] 30 + struct State<'a, 'cfg, 'tmp> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]   --> src/cargo/core/compiler/context/compilation_files.rs:24:37
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct CompilationFiles<'a, 'cfg: 'a> {
[INFO] [stdout]    |                                     ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-semverver` (lib test) due to 45 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]    --> src/cargo/core/package.rs:274:30
[INFO] [stdout]     |
[INFO] [stdout] 274 | pub struct Downloads<'a, 'cfg: 'a> {
[INFO] [stdout]     |                              ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]    --> src/cargo/core/resolver/encode.rs:328:37
[INFO] [stdout]     |
[INFO] [stdout] 328 | pub struct WorkspaceResolve<'a, 'cfg: 'a> {
[INFO] [stdout]     |                                     ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: outlives requirements can be inferred
[INFO] [stdout]    --> src/cargo/core/workspace.rs:122:28
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct Members<'a, 'cfg: 'a> {
[INFO] [stdout]     |                            ^^^^ help: remove this bound
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `TempDir::into_path` that must be used
[INFO] [stdout]    --> src/cargo/ops/cargo_install.rs:264:13
[INFO] [stdout]     |
[INFO] [stdout] 264 |             td.into_path();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 264 |             let _ = td.into_path();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/cargo/sources/git/utils.rs:825:17
[INFO] [stdout]     |
[INFO] [stdout] 825 |                 mem::replace(repo, new);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 825 |                 let _ = mem::replace(repo, new);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 44 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4afe4a03878d8085a3b96444b6ffd2391599542c6832e8c634448b969e2fbaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4afe4a03878d8085a3b96444b6ffd2391599542c6832e8c634448b969e2fbaa2", kill_on_drop: false }`
[INFO] [stdout] 4afe4a03878d8085a3b96444b6ffd2391599542c6832e8c634448b969e2fbaa2
