[INFO] cloning repository https://github.com/mmstick/parallel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmstick/parallel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmstick%2Fparallel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmstick%2Fparallel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c5a0df810acae4ca04bc4c0291e9f0f00309c828 [INFO] checking mmstick/parallel against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmstick%2Fparallel" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mmstick/parallel on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mmstick/parallel [INFO] finished tweaking git repo https://github.com/mmstick/parallel [INFO] tweaked toml for git repo https://github.com/mmstick/parallel written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/mmstick/parallel already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smallvec v0.6.0 [INFO] [stderr] Downloaded wait-timeout v0.1.5 [INFO] [stderr] Downloaded arrayvec v0.4.6 [INFO] [stderr] Downloaded permutate v0.3.2 [INFO] [stderr] Downloaded redox_syscall v0.1.18 [INFO] [stderr] Downloaded num_cpus v1.5.1 [INFO] [stderr] Downloaded numtoa v0.0.7 [INFO] [stderr] Downloaded sys-info v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0015cda7878c9b72a75bbc5849821fc22e9d6b1e206e43399f941b13516d83f8 [INFO] running `Command { std: "docker" "start" "-a" "0015cda7878c9b72a75bbc5849821fc22e9d6b1e206e43399f941b13516d83f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0015cda7878c9b72a75bbc5849821fc22e9d6b1e206e43399f941b13516d83f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0015cda7878c9b72a75bbc5849821fc22e9d6b1e206e43399f941b13516d83f8", kill_on_drop: false }` [INFO] [stdout] 0015cda7878c9b72a75bbc5849821fc22e9d6b1e206e43399f941b13516d83f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 37bf66a044e0164832672e32eb01ad22dd61a42ab6b8b2b94b9c357991c53f2a [INFO] running `Command { std: "docker" "start" "-a" "37bf66a044e0164832672e32eb01ad22dd61a42ab6b8b2b94b9c357991c53f2a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.2.23 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking itoa v0.3.1 [INFO] [stderr] Checking numtoa v0.0.7 [INFO] [stderr] Checking permutate v0.3.2 [INFO] [stderr] Checking smallvec v0.6.0 [INFO] [stderr] Checking arrayvec v0.4.6 [INFO] [stderr] Checking wait-timeout v0.1.5 [INFO] [stderr] Checking num_cpus v1.5.1 [INFO] [stderr] Checking time v0.1.37 [INFO] [stderr] Compiling sys-info v0.5.0 [INFO] [stderr] Checking parallel v0.11.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unknown lint: `cyclomatic_complexity` [INFO] [stdout] --> src/execute/receive.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | #[allow(cyclomatic_complexity)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `cyclomatic_complexity` [INFO] [stdout] --> src/execute/receive.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | #[allow(cyclomatic_complexity)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/arguments/mod.rs:378:25 [INFO] [stdout] | [INFO] [stdout] 378 | let parse_line: Box) -> io::Result> = [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(io::Result) -> io::Result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/execute/dry.rs:26:26 [INFO] [stdout] | [INFO] [stdout] 26 | let pipe_action: Box = if flags & arguments::SHELL_QUOTE != 0 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut StdoutLock, &str)` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/input_iterator/lock.rs:22:62 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn try_next(&mut self, input: &mut String) -> Option<(usize)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 22 - pub fn try_next(&mut self, input: &mut String) -> Option<(usize)> { [INFO] [stdout] 22 + pub fn try_next(&mut self, input: &mut String) -> Option { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:242:9 [INFO] [stdout] | [INFO] [stdout] 242 | /// Prints messages from executed commands in the correct order. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 243 | let errors = execute::receive_messages(input_rx, args, &base_path, &processed_path, &errors_path); [INFO] [stdout] | -------------------------------------------------------------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:245:9 [INFO] [stdout] | [INFO] [stdout] 245 | /// Wait for all threads to exit before proceeding. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 246 | for thread in threads { thread.join().unwrap(); } [INFO] [stdout] | ------------------------------------------------- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/arguments/mod.rs:378:25 [INFO] [stdout] | [INFO] [stdout] 378 | let parse_line: Box) -> io::Result> = [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(io::Result) -> io::Result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/execute/dry.rs:26:26 [INFO] [stdout] | [INFO] [stdout] 26 | let pipe_action: Box = if flags & arguments::SHELL_QUOTE != 0 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut StdoutLock, &str)` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/input_iterator/lock.rs:22:62 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn try_next(&mut self, input: &mut String) -> Option<(usize)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 22 - pub fn try_next(&mut self, input: &mut String) -> Option<(usize)> { [INFO] [stdout] 22 + pub fn try_next(&mut self, input: &mut String) -> Option { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/input_iterator/iterator.rs:231:48 [INFO] [stdout] | [INFO] [stdout] 231 | for (actual, expected) in iterator.zip((1..4096)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 231 - for (actual, expected) in iterator.zip((1..4096)) { [INFO] [stdout] 231 + for (actual, expected) in iterator.zip(1..4096) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:242:9 [INFO] [stdout] | [INFO] [stdout] 242 | /// Prints messages from executed commands in the correct order. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 243 | let errors = execute::receive_messages(input_rx, args, &base_path, &processed_path, &errors_path); [INFO] [stdout] | -------------------------------------------------------------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:245:9 [INFO] [stdout] | [INFO] [stdout] 245 | /// Wait for all threads to exit before proceeding. [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 246 | for thread in threads { thread.join().unwrap(); } [INFO] [stdout] | ------------------------------------------------- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/arguments/mod.rs:553:9 [INFO] [stdout] | [INFO] [stdout] 553 | let mut append_list = &mut Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/execute/exec_commands.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut command_buffer = &mut String::with_capacity(64); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/arguments/mod.rs:553:9 [INFO] [stdout] | [INFO] [stdout] 553 | let mut append_list = &mut Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/execute/pipe.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child"); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/execute/exec_commands.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut command_buffer = &mut String::with_capacity(64); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/execute/pipe.rs:41:17 [INFO] [stdout] | [INFO] [stdout] 41 | let mut stdout = child.stdout.as_mut().expect("unable to open stdout of child"); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.06s [INFO] running `Command { std: "docker" "inspect" "37bf66a044e0164832672e32eb01ad22dd61a42ab6b8b2b94b9c357991c53f2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37bf66a044e0164832672e32eb01ad22dd61a42ab6b8b2b94b9c357991c53f2a", kill_on_drop: false }` [INFO] [stdout] 37bf66a044e0164832672e32eb01ad22dd61a42ab6b8b2b94b9c357991c53f2a