[INFO] cloning repository https://github.com/rainlab-inc/nbd-rs
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddcbda18a2bd41b93610b8cb19bb0f47ce831465
[INFO] building rainlab-inc/nbd-rs against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frainlab-inc%2Fnbd-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rainlab-inc/nbd-rs
[INFO] finished tweaking git repo https://github.com/rainlab-inc/nbd-rs
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[INFO] [stderr]    Compiling serde-xml-rs v0.5.1
[INFO] [stderr]    Compiling aws-creds v0.27.1
[INFO] [stderr]    Compiling hyper v0.14.14
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.6
[INFO] [stderr]    Compiling rust-s3 v0.28.0 (https://git.rlab.io/forks/rust-crates/rust-s3.git?branch=rlab%2F0.28-dev#714325be)
[INFO] [stderr]    Compiling nbd-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/object/s3.rs:223:50
[INFO] [stdout]     |
[INFO] [stdout] 223 |                 access_key: parsed_url.username().clone().to_string(),
[INFO] [stdout]     |                                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/object/s3.rs:224:37
[INFO] [stdout]     |
[INFO] [stdout] 224 |                 secret_key: password.clone().to_string(),
[INFO] [stdout]     |                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/object/cache.rs:172:25
[INFO] [stdout]     |
[INFO] [stdout] 172 |                         drop(oldest_unwritten_page);
[INFO] [stdout]     |                         ^^^^^---------------------^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              argument has type `Option<(&std::string::String, &CacheValRef)>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 172 -                         drop(oldest_unwritten_page);
[INFO] [stdout] 172 +                         let _ = oldest_unwritten_page;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/object/cache.rs:186:21
[INFO] [stdout]     |
[INFO] [stdout] 186 |                     drop(cache_kp);
[INFO] [stdout]     |                     ^^^^^--------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `(&std::string::String, &CacheValRef)`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 186 -                     drop(cache_kp);
[INFO] [stdout] 186 +                     let _ = cache_kp;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/object/cache.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         drop(cached_obj_ref);
[INFO] [stdout]     |         ^^^^^--------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `Option<(&std::string::String, &CacheValRef)>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 339 -         drop(cached_obj_ref);
[INFO] [stdout] 339 +         let _ = cached_obj_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/object/cache.rs:581:9
[INFO] [stdout]     |
[INFO] [stdout] 581 |         drop(cached_obj_ref);
[INFO] [stdout]     |         ^^^^^--------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `Option<(&std::string::String, &CacheValRef)>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 581 -         drop(cached_obj_ref);
[INFO] [stdout] 581 +         let _ = cached_obj_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/util.rs:157:16
[INFO] [stdout]     |
[INFO] [stdout] 157 |     for cap in re.captures(size_str) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 157 -     for cap in re.captures(size_str) {
[INFO] [stdout] 157 +     while let Some(cap) = re.captures(size_str) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 157 -     for cap in re.captures(size_str) {
[INFO] [stdout] 157 +     if let Some(cap) = re.captures(size_str) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.48s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.20.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "015a38bc4c819f2398934244704b7ff0d4cc25c48f9ae5a216047a0e9744399c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "015a38bc4c819f2398934244704b7ff0d4cc25c48f9ae5a216047a0e9744399c", kill_on_drop: false }`
[INFO] [stdout] 015a38bc4c819f2398934244704b7ff0d4cc25c48f9ae5a216047a0e9744399c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87049bb47eb02d4c400927bd9ec86e1fbe798c94e31f6a190e8f29468de06e00
[INFO] running `Command { std: "docker" "start" "-a" "87049bb47eb02d4c400927bd9ec86e1fbe798c94e31f6a190e8f29468de06e00", kill_on_drop: false }`
[INFO] [stderr]    Compiling nbd-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/object/s3.rs:223:50
[INFO] [stdout]     |
[INFO] [stdout] 223 |                 access_key: parsed_url.username().clone().to_string(),
[INFO] [stdout]     |                                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/object/s3.rs:224:37
[INFO] [stdout]     |
[INFO] [stdout] 224 |                 secret_key: password.clone().to_string(),
[INFO] [stdout]     |                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/object/cache.rs:172:25
[INFO] [stdout]     |
[INFO] [stdout] 172 |                         drop(oldest_unwritten_page);
[INFO] [stdout]     |                         ^^^^^---------------------^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              argument has type `Option<(&std::string::String, &CacheValRef)>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 172 -                         drop(oldest_unwritten_page);
[INFO] [stdout] 172 +                         let _ = oldest_unwritten_page;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/object/cache.rs:186:21
[INFO] [stdout]     |
[INFO] [stdout] 186 |                     drop(cache_kp);
[INFO] [stdout]     |                     ^^^^^--------^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `(&std::string::String, &CacheValRef)`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 186 -                     drop(cache_kp);
[INFO] [stdout] 186 +                     let _ = cache_kp;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/object/cache.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         drop(cached_obj_ref);
[INFO] [stdout]     |         ^^^^^--------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `Option<(&std::string::String, &CacheValRef)>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 339 -         drop(cached_obj_ref);
[INFO] [stdout] 339 +         let _ = cached_obj_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/object/cache.rs:581:9
[INFO] [stdout]     |
[INFO] [stdout] 581 |         drop(cached_obj_ref);
[INFO] [stdout]     |         ^^^^^--------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `Option<(&std::string::String, &CacheValRef)>`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 581 -         drop(cached_obj_ref);
[INFO] [stdout] 581 +         let _ = cached_obj_ref;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/util.rs:157:16
[INFO] [stdout]     |
[INFO] [stdout] 157 |     for cap in re.captures(size_str) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 157 -     for cap in re.captures(size_str) {
[INFO] [stdout] 157 +     while let Some(cap) = re.captures(size_str) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 157 -     for cap in re.captures(size_str) {
[INFO] [stdout] 157 +     if let Some(cap) = re.captures(size_str) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.20.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "87049bb47eb02d4c400927bd9ec86e1fbe798c94e31f6a190e8f29468de06e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87049bb47eb02d4c400927bd9ec86e1fbe798c94e31f6a190e8f29468de06e00", kill_on_drop: false }`
[INFO] [stdout] 87049bb47eb02d4c400927bd9ec86e1fbe798c94e31f6a190e8f29468de06e00
