[INFO] fetching crate gnir 0.16.5...
[INFO] checking gnir-0.16.5 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate gnir 0.16.5 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate gnir 0.16.5 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 gnir 0.16.5
[INFO] finished tweaking crates.io crate gnir 0.16.5
[INFO] tweaked toml for crates.io crate gnir 0.16.5 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 wasm-bindgen-futures v0.3.27
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.2.50
[INFO] [stderr]   Downloaded detsurtnu v0.7.0
[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] 8c5d1558ea7fae95ad8e9ab72bde104d82ff70fff51fe8701f99a47f1384e5f1
[INFO] running `Command { std: "docker" "start" "-a" "8c5d1558ea7fae95ad8e9ab72bde104d82ff70fff51fe8701f99a47f1384e5f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c5d1558ea7fae95ad8e9ab72bde104d82ff70fff51fe8701f99a47f1384e5f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c5d1558ea7fae95ad8e9ab72bde104d82ff70fff51fe8701f99a47f1384e5f1", kill_on_drop: false }`
[INFO] [stdout] 8c5d1558ea7fae95ad8e9ab72bde104d82ff70fff51fe8701f99a47f1384e5f1
[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] 0f79d1a114b7bf38d3b77e805bd13de67f567b5a446ed2e574c321da2ce84d5b
[INFO] running `Command { std: "docker" "start" "-a" "0f79d1a114b7bf38d3b77e805bd13de67f567b5a446ed2e574c321da2ce84d5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gnir v0.16.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking detsurtnu v0.7.0
[INFO] [stdout] warning: lint `legacy_directory_ownership` has been removed: converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information
[INFO] [stdout]   --> build.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     legacy_directory_ownership,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> build.rs:280:18
[INFO] [stdout]     |
[INFO] [stdout] 280 |     let is_git = std::fs::metadata(".git").is_ok();
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> build.rs:30:5
[INFO] [stdout]     |
[INFO] [stdout] 30  |     unused_qualifications,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 280 -     let is_git = std::fs::metadata(".git").is_ok();
[INFO] [stdout] 280 +     let is_git = fs::metadata(".git").is_ok();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> build.rs:302:5
[INFO] [stdout]     |
[INFO] [stdout] 302 |     std::fs::create_dir(&pregenerated).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 302 -     std::fs::create_dir(&pregenerated).unwrap();
[INFO] [stdout] 302 +     fs::create_dir(&pregenerated).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> build.rs:304:5
[INFO] [stdout]     |
[INFO] [stdout] 304 |     std::fs::create_dir(&pregenerated_tmp).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 304 -     std::fs::create_dir(&pregenerated_tmp).unwrap();
[INFO] [stdout] 304 +     fs::create_dir(&pregenerated_tmp).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> build.rs:742:34
[INFO] [stdout]     |
[INFO] [stdout] 742 |     if let Ok(target_metadata) = std::fs::metadata(target) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 742 -     if let Ok(target_metadata) = std::fs::metadata(target) {
[INFO] [stdout] 742 +     if let Ok(target_metadata) = fs::metadata(target) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> build.rs:755:5
[INFO] [stdout]     |
[INFO] [stdout] 755 |     std::fs::metadata(path)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 755 -     std::fs::metadata(path)
[INFO] [stdout] 755 +     fs::metadata(path)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> build.rs:421:10
[INFO] [stdout]     |
[INFO] [stdout] 421 |     libs.into_iter()
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> build.rs:33:5
[INFO] [stdout]     |
[INFO] [stdout] 33  |     warnings
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = note: `#[forbid(array_into_iter)]` implied by `#[forbid(warnings)]`
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 421 |     libs.iter()
[INFO] [stdout]     |          ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 421 |     IntoIterator::into_iter(libs)
[INFO] [stdout]     |     ++++++++++++++++++++++++    ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> build.rs:510:35
[INFO] [stdout]     |
[INFO] [stdout] 510 |         let mut out_path = out_dir.clone().join(p.file_name().unwrap());
[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: `#[forbid(noop_method_call)]` implied by `#[forbid(warnings)]`
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 510 -         let mut out_path = out_dir.clone().join(p.file_name().unwrap());
[INFO] [stdout] 510 +         let mut out_path = out_dir.join(p.file_name().unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> build.rs:526:31
[INFO] [stdout]     |
[INFO] [stdout] 526 |     let mut out_path = out_dir.clone().join(src.file_name().unwrap());
[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] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 526 -     let mut out_path = out_dir.clone().join(src.file_name().unwrap());
[INFO] [stdout] 526 +     let mut out_path = out_dir.join(src.file_name().unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gnir` (build script) due to 9 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0f79d1a114b7bf38d3b77e805bd13de67f567b5a446ed2e574c321da2ce84d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f79d1a114b7bf38d3b77e805bd13de67f567b5a446ed2e574c321da2ce84d5b", kill_on_drop: false }`
[INFO] [stdout] 0f79d1a114b7bf38d3b77e805bd13de67f567b5a446ed2e574c321da2ce84d5b
[INFO] checking gnir-0.16.5 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate gnir 0.16.5 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate gnir 0.16.5 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 gnir 0.16.5
[INFO] finished tweaking crates.io crate gnir 0.16.5
[INFO] tweaked toml for crates.io crate gnir 0.16.5 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] 04d2382fce20679e4fb99a4f2ed2a280e0dd692ec2e61aa746ec149fddd2224b
[INFO] running `Command { std: "docker" "start" "-a" "04d2382fce20679e4fb99a4f2ed2a280e0dd692ec2e61aa746ec149fddd2224b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04d2382fce20679e4fb99a4f2ed2a280e0dd692ec2e61aa746ec149fddd2224b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04d2382fce20679e4fb99a4f2ed2a280e0dd692ec2e61aa746ec149fddd2224b", kill_on_drop: false }`
[INFO] [stdout] 04d2382fce20679e4fb99a4f2ed2a280e0dd692ec2e61aa746ec149fddd2224b
[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] 673e45fcf713a1429a127c374297365dd2117d3d5b56eb1cbd4890bfdf4fbb5f
[INFO] running `Command { std: "docker" "start" "-a" "673e45fcf713a1429a127c374297365dd2117d3d5b56eb1cbd4890bfdf4fbb5f", kill_on_drop: false }`
[INFO] [stderr]     Checking detsurtnu v0.7.0
[INFO] [stderr]    Compiling gnir v0.16.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `legacy_directory_ownership` has been removed: converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information
[INFO] [stdout]   --> build.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     legacy_directory_ownership,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> build.rs:280:18
[INFO] [stdout]     |
[INFO] [stdout] 280 |     let is_git = std::fs::metadata(".git").is_ok();
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> build.rs:30:5
[INFO] [stdout]     |
[INFO] [stdout] 30  |     unused_qualifications,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 280 -     let is_git = std::fs::metadata(".git").is_ok();
[INFO] [stdout] 280 +     let is_git = fs::metadata(".git").is_ok();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> build.rs:302:5
[INFO] [stdout]     |
[INFO] [stdout] 302 |     std::fs::create_dir(&pregenerated).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 302 -     std::fs::create_dir(&pregenerated).unwrap();
[INFO] [stdout] 302 +     fs::create_dir(&pregenerated).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> build.rs:304:5
[INFO] [stdout]     |
[INFO] [stdout] 304 |     std::fs::create_dir(&pregenerated_tmp).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 304 -     std::fs::create_dir(&pregenerated_tmp).unwrap();
[INFO] [stdout] 304 +     fs::create_dir(&pregenerated_tmp).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> build.rs:742:34
[INFO] [stdout]     |
[INFO] [stdout] 742 |     if let Ok(target_metadata) = std::fs::metadata(target) {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 742 -     if let Ok(target_metadata) = std::fs::metadata(target) {
[INFO] [stdout] 742 +     if let Ok(target_metadata) = fs::metadata(target) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> build.rs:755:5
[INFO] [stdout]     |
[INFO] [stdout] 755 |     std::fs::metadata(path)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 755 -     std::fs::metadata(path)
[INFO] [stdout] 755 +     fs::metadata(path)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> build.rs:421:10
[INFO] [stdout]     |
[INFO] [stdout] 421 |     libs.into_iter()
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> build.rs:33:5
[INFO] [stdout]     |
[INFO] [stdout] 33  |     warnings
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = note: `#[forbid(array_into_iter)]` implied by `#[forbid(warnings)]`
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 421 |     libs.iter()
[INFO] [stdout]     |          ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 421 |     IntoIterator::into_iter(libs)
[INFO] [stdout]     |     ++++++++++++++++++++++++    ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> build.rs:510:35
[INFO] [stdout]     |
[INFO] [stdout] 510 |         let mut out_path = out_dir.clone().join(p.file_name().unwrap());
[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: `#[forbid(noop_method_call)]` implied by `#[forbid(warnings)]`
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 510 -         let mut out_path = out_dir.clone().join(p.file_name().unwrap());
[INFO] [stdout] 510 +         let mut out_path = out_dir.join(p.file_name().unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> build.rs:526:31
[INFO] [stdout]     |
[INFO] [stdout] 526 |     let mut out_path = out_dir.clone().join(src.file_name().unwrap());
[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] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 526 -     let mut out_path = out_dir.clone().join(src.file_name().unwrap());
[INFO] [stdout] 526 +     let mut out_path = out_dir.join(src.file_name().unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gnir` (build script) due to 9 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "673e45fcf713a1429a127c374297365dd2117d3d5b56eb1cbd4890bfdf4fbb5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673e45fcf713a1429a127c374297365dd2117d3d5b56eb1cbd4890bfdf4fbb5f", kill_on_drop: false }`
[INFO] [stdout] 673e45fcf713a1429a127c374297365dd2117d3d5b56eb1cbd4890bfdf4fbb5f
