[INFO] fetching crate krate_info 0.1.1...
[INFO] checking krate_info-0.1.1 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate krate_info 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate krate_info 0.1.1
[INFO] finished tweaking crates.io crate krate_info 0.1.1
[INFO] tweaked toml for crates.io crate krate_info 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate krate_info 0.1.1 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate krate_info 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e840c9eff456d8e52a9277a853bdfa8e31911ffb1a1c4b31d662b774ae0f580
[INFO] running `Command { std: "docker" "start" "-a" "9e840c9eff456d8e52a9277a853bdfa8e31911ffb1a1c4b31d662b774ae0f580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e840c9eff456d8e52a9277a853bdfa8e31911ffb1a1c4b31d662b774ae0f580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e840c9eff456d8e52a9277a853bdfa8e31911ffb1a1c4b31d662b774ae0f580", kill_on_drop: false }`
[INFO] [stdout] 9e840c9eff456d8e52a9277a853bdfa8e31911ffb1a1c4b31d662b774ae0f580
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 795f19c8571b408dcddbbb54d90d4083a8c2c624273465c1022c3375d3cb37c4
[INFO] running `Command { std: "docker" "start" "-a" "795f19c8571b408dcddbbb54d90d4083a8c2c624273465c1022c3375d3cb37c4", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `Level`, `error`, `info`, and `log_enabled`
[INFO] [stdout]  --> src/krates.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, error, info, log_enabled, Level};
[INFO] [stdout]   |                  ^^^^^  ^^^^  ^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `error::Error`
[INFO] [stdout]  --> src/krates.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 6 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use std::collections::HashSet;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Level`, `error`, `info`, and `log_enabled`
[INFO] [stdout]  --> src/krates.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, error, info, log_enabled, Level};
[INFO] [stdout]   |                  ^^^^^  ^^^^  ^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `error::Error`
[INFO] [stdout]  --> src/krates.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 6 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/krates.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         k.fill_information_from_crates_api();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = k.fill_information_from_crates_api();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/krates.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             self.fill_information_from_crates_api();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let _ = self.fill_information_from_crates_api();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/krates.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             self.fill_information_from_crates_api();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let _ = self.fill_information_from_crates_api();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/krates.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let tarball_path = dest_dir.clone().join(format!("{:#}.tar.gz", self.name));
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 126 -         let tarball_path = dest_dir.clone().join(format!("{:#}.tar.gz", self.name));
[INFO] [stdout] 126 +         let tarball_path = dest_dir.join(format!("{:#}.tar.gz", self.name));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/779e19d8baa3e3625bd4fc5c85cbb2ad47b43155/library/std/src/path.rs:2303:1: 2303:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/779e19d8baa3e3625bd4fc5c85cbb2ad47b43155/library/std/src/path.rs" }) }
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/krates.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         k.fill_information_from_crates_api();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = k.fill_information_from_crates_api();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/krates.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             self.fill_information_from_crates_api();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let _ = self.fill_information_from_crates_api();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/krates.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             self.fill_information_from_crates_api();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let _ = self.fill_information_from_crates_api();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/779e19d8baa3e3625bd4fc5c85cbb2ad47b43155/library/std/src/path.rs:2303:1: 2303:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/779e19d8baa3e3625bd4fc5c85cbb2ad47b43155/library/std/src/path.rs" }) }
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/krates.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let tarball_path = dest_dir.clone().join(format!("{:#}.tar.gz", self.name));
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 126 -         let tarball_path = dest_dir.clone().join(format!("{:#}.tar.gz", self.name));
[INFO] [stdout] 126 +         let tarball_path = dest_dir.join(format!("{:#}.tar.gz", self.name));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Level`, `error`, `info`, and `log_enabled`
[INFO] [stdout]  --> src/krates.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, error, info, log_enabled, Level};
[INFO] [stdout]   |                  ^^^^^  ^^^^  ^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `error::Error`
[INFO] [stdout]  --> src/krates.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 6 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Level`, `error`, `info`, and `log_enabled`
[INFO] [stdout]  --> src/krates.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, error, info, log_enabled, Level};
[INFO] [stdout]   |                  ^^^^^  ^^^^  ^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `error::Error`
[INFO] [stdout]  --> src/krates.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 6 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `owners`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let owners = krate.get_crate_owners().unwrap();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_owners`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let metadata = krate.get_krate_meta().unwrap();
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/krates.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |     NoMetadataError(crates_io_api::Error),
[INFO] [stdout]    |     --------------- ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KrateError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 -     NoMetadataError(crates_io_api::Error),
[INFO] [stdout] 33 +     NoMetadataError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CursorError`, `DownloadError`, and `FileCreationError` are never constructed
[INFO] [stdout]   --> src/krates.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum KrateError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 30 |     CursorError(std::io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 31 |     DownloadError(reqwest::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 32 |     FileCreationError(std::io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KrateError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/krates.rs:57:12
[INFO] [stdout]     |
[INFO] [stdout]  37 | impl Krate {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  57 |     pub fn from_name(name: &str) -> Result<Krate, KrateError> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  66 |     pub fn new_with_remote_info(name: &str, version: Version) -> Krate {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn download(&mut self, dest_dir: &Path) -> Result<PathBuf, KrateError> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |     pub fn get_features_raw(&self) -> &Vec<String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     pub fn get_download_url(&mut self) -> Result<&str, KrateError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |     pub fn get_features(&mut self) -> Result<&Vec<String>, KrateError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |     pub fn as_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/krates.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         k.fill_information_from_crates_api();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = k.fill_information_from_crates_api();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/779e19d8baa3e3625bd4fc5c85cbb2ad47b43155/library/std/src/path.rs:2303:1: 2303:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/779e19d8baa3e3625bd4fc5c85cbb2ad47b43155/library/std/src/path.rs" }) }
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/krates.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             self.fill_information_from_crates_api();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let _ = self.fill_information_from_crates_api();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/krates.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             self.fill_information_from_crates_api();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let _ = self.fill_information_from_crates_api();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/krates.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let tarball_path = dest_dir.clone().join(format!("{:#}.tar.gz", self.name));
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 126 -         let tarball_path = dest_dir.clone().join(format!("{:#}.tar.gz", self.name));
[INFO] [stdout] 126 +         let tarball_path = dest_dir.join(format!("{:#}.tar.gz", self.name));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/779e19d8baa3e3625bd4fc5c85cbb2ad47b43155/library/std/src/path.rs:2303:1: 2303:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/779e19d8baa3e3625bd4fc5c85cbb2ad47b43155/library/std/src/path.rs" }) }
[INFO] [stdout] warning: unused variable: `owners`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let owners = krate.get_crate_owners().unwrap();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_owners`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let metadata = krate.get_krate_meta().unwrap();
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/krates.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |     NoMetadataError(crates_io_api::Error),
[INFO] [stdout]    |     --------------- ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KrateError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 -     NoMetadataError(crates_io_api::Error),
[INFO] [stdout] 33 +     NoMetadataError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CursorError`, `DownloadError`, and `FileCreationError` are never constructed
[INFO] [stdout]   --> src/krates.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum KrateError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 30 |     CursorError(std::io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 31 |     DownloadError(reqwest::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 32 |     FileCreationError(std::io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KrateError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/krates.rs:57:12
[INFO] [stdout]     |
[INFO] [stdout]  37 | impl Krate {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  57 |     pub fn from_name(name: &str) -> Result<Krate, KrateError> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  66 |     pub fn new_with_remote_info(name: &str, version: Version) -> Krate {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn download(&mut self, dest_dir: &Path) -> Result<PathBuf, KrateError> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |     pub fn get_features_raw(&self) -> &Vec<String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 |     pub fn get_download_url(&mut self) -> Result<&str, KrateError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |     pub fn get_features(&mut self) -> Result<&Vec<String>, KrateError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 222 |     pub fn as_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/krates.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         k.fill_information_from_crates_api();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = k.fill_information_from_crates_api();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/krates.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             self.fill_information_from_crates_api();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let _ = self.fill_information_from_crates_api();
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/krates.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             self.fill_information_from_crates_api();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let _ = self.fill_information_from_crates_api();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/krates.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let tarball_path = dest_dir.clone().join(format!("{:#}.tar.gz", self.name));
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 126 -         let tarball_path = dest_dir.clone().join(format!("{:#}.tar.gz", self.name));
[INFO] [stdout] 126 +         let tarball_path = dest_dir.join(format!("{:#}.tar.gz", self.name));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.68s
[INFO] running `Command { std: "docker" "inspect" "795f19c8571b408dcddbbb54d90d4083a8c2c624273465c1022c3375d3cb37c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795f19c8571b408dcddbbb54d90d4083a8c2c624273465c1022c3375d3cb37c4", kill_on_drop: false }`
[INFO] [stdout] 795f19c8571b408dcddbbb54d90d4083a8c2c624273465c1022c3375d3cb37c4
