[INFO] crate parallel 0.11.3 is already in cache
[INFO] checking parallel-0.11.3 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate parallel 0.11.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate parallel 0.11.3 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate parallel 0.11.3
[INFO] finished tweaking crates.io crate parallel 0.11.3
[INFO] tweaked toml for crates.io crate parallel 0.11.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 897cd765734f2b372f106911d70f825a0de12a62a1aecf90312dc54f202906ec
[INFO] running `"docker" "start" "-a" "897cd765734f2b372f106911d70f825a0de12a62a1aecf90312dc54f202906ec"`
[INFO] [stderr]     Checking permutate v0.3.2
[INFO] [stderr]     Checking numtoa v0.0.7
[INFO] [stderr]    Compiling sys-info v0.4.1
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]     Checking parallel v0.11.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `cyclomatic_complexity`
[INFO] [stderr]   --> src/execute/receive.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 | #[allow(cyclomatic_complexity)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `cyclomatic_complexity`
[INFO] [stderr]   --> src/execute/receive.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 | #[allow(cyclomatic_complexity)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/arguments/mod.rs:378:25
[INFO] [stderr]     |
[INFO] [stderr] 378 |     let parse_line: Box<Fn(io::Result<String>) -> io::Result<String>> =
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(io::Result<String>) -> io::Result<String>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/execute/dry.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let pipe_action: Box<Fn(&mut StdoutLock, &str)> = if flags & arguments::SHELL_QUOTE != 0 {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut StdoutLock, &str)`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/input_iterator/lock.rs:22:62
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn try_next(&mut self, input: &mut String) -> Option<(usize)> {
[INFO] [stderr]    |                                                              ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:242:9
[INFO] [stderr]     |
[INFO] [stderr] 242 |         /// Prints messages from executed commands in the correct order.
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 243 |         let errors = execute::receive_messages(input_rx, args, &base_path, &processed_path, &errors_path);
[INFO] [stderr]     |         -------------------------------------------------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         /// Wait for all threads to exit before proceeding.
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 246 |         for thread in threads { thread.join().unwrap(); }
[INFO] [stderr]     |         ------------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/arguments/mod.rs:378:25
[INFO] [stderr]     |
[INFO] [stderr] 378 |     let parse_line: Box<Fn(io::Result<String>) -> io::Result<String>> =
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(io::Result<String>) -> io::Result<String>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/execute/dry.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let pipe_action: Box<Fn(&mut StdoutLock, &str)> = if flags & arguments::SHELL_QUOTE != 0 {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut StdoutLock, &str)`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/input_iterator/lock.rs:22:62
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn try_next(&mut self, input: &mut String) -> Option<(usize)> {
[INFO] [stderr]    |                                                              ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/input_iterator/iterator.rs:231:48
[INFO] [stderr]     |
[INFO] [stderr] 231 |         for (actual, expected) in iterator.zip((1..4096)) {
[INFO] [stderr]     |                                                ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:242:9
[INFO] [stderr]     |
[INFO] [stderr] 242 |         /// Prints messages from executed commands in the correct order.
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 243 |         let errors = execute::receive_messages(input_rx, args, &base_path, &processed_path, &errors_path);
[INFO] [stderr]     |         -------------------------------------------------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |         /// Wait for all threads to exit before proceeding.
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 246 |         for thread in threads { thread.join().unwrap(); }
[INFO] [stderr]     |         ------------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/arguments/mod.rs:553:9
[INFO] [stderr]     |
[INFO] [stderr] 553 |     let mut append_list = &mut Vec::new();
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/arguments/mod.rs:553:9
[INFO] [stderr]     |
[INFO] [stderr] 553 |     let mut append_list = &mut Vec::new();
[INFO] [stderr]     |         ----^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/execute/exec_commands.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut command_buffer = &mut String::with_capacity(64);
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/execute/exec_commands.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut command_buffer = &mut String::with_capacity(64);
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/execute/pipe.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/execute/pipe.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |             let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child");
[INFO] [stderr]    |                 ----^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `"docker" "inspect" "897cd765734f2b372f106911d70f825a0de12a62a1aecf90312dc54f202906ec"`
[INFO] running `"docker" "rm" "-f" "897cd765734f2b372f106911d70f825a0de12a62a1aecf90312dc54f202906ec"`
[INFO] [stdout] 897cd765734f2b372f106911d70f825a0de12a62a1aecf90312dc54f202906ec
