[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 try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmstick%2Fparallel" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mmstick/parallel on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-14/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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 permutate v0.3.2 [INFO] [stderr] Downloaded sys-info v0.5.0 [INFO] [stderr] Downloaded numtoa v0.0.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d5ef7746d991e0de4a6d2f9508b098ccdf5df183e6dabf5ada341d7fd759d4fb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d5ef7746d991e0de4a6d2f9508b098ccdf5df183e6dabf5ada341d7fd759d4fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d5ef7746d991e0de4a6d2f9508b098ccdf5df183e6dabf5ada341d7fd759d4fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5ef7746d991e0de4a6d2f9508b098ccdf5df183e6dabf5ada341d7fd759d4fb", kill_on_drop: false }` [INFO] [stdout] d5ef7746d991e0de4a6d2f9508b098ccdf5df183e6dabf5ada341d7fd759d4fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e6cdee5022a5568a890845bb772837223ee283dd85f68ff773e84e5f08120ed [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8e6cdee5022a5568a890845bb772837223ee283dd85f68ff773e84e5f08120ed", 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] Checking permutate v0.3.2 [INFO] [stderr] Checking numtoa v0.0.7 [INFO] [stderr] Compiling sys-info v0.5.0 [INFO] [stderr] Checking wait-timeout v0.1.5 [INFO] [stderr] Checking arrayvec v0.4.6 [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] [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] [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] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [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] [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] [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] [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] [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] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [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] | ^^^^^^^^^ help: remove these parentheses [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] [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] [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/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/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: 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] error: field is never read: `start` [INFO] [stdout] --> src/input_iterator/iterator.rs:174:5 [INFO] [stdout] | [INFO] [stdout] 174 | start: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `parallel` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "8e6cdee5022a5568a890845bb772837223ee283dd85f68ff773e84e5f08120ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e6cdee5022a5568a890845bb772837223ee283dd85f68ff773e84e5f08120ed", kill_on_drop: false }` [INFO] [stdout] 8e6cdee5022a5568a890845bb772837223ee283dd85f68ff773e84e5f08120ed