[INFO] cloning repository https://github.com/MwlLj/rust-pool [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MwlLj/rust-pool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwlLj%2Frust-pool", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwlLj%2Frust-pool'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c85127efbf1d85f740ace63f803d5ef516de58c5 [INFO] testing MwlLj/rust-pool against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwlLj%2Frust-pool" "/workspace/builds/worker-101/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MwlLj/rust-pool on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MwlLj/rust-pool [INFO] finished tweaking git repo https://github.com/MwlLj/rust-pool [INFO] tweaked toml for git repo https://github.com/MwlLj/rust-pool written to /workspace/builds/worker-101/source/Cargo.toml [INFO] crate git repo https://github.com/MwlLj/rust-pool already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 280cd6271769771b9c2039e74fbc7155ee7a64fece0f0d8100865cd8ff17c912 [INFO] running `Command { std: "docker" "start" "-a" "280cd6271769771b9c2039e74fbc7155ee7a64fece0f0d8100865cd8ff17c912", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "280cd6271769771b9c2039e74fbc7155ee7a64fece0f0d8100865cd8ff17c912", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "280cd6271769771b9c2039e74fbc7155ee7a64fece0f0d8100865cd8ff17c912", kill_on_drop: false }` [INFO] [stdout] 280cd6271769771b9c2039e74fbc7155ee7a64fece0f0d8100865cd8ff17c912 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5d4c6b1a1438f6496be9c5cf6eb55dd79a1d622927deff17124da9bb066b1fe [INFO] running `Command { std: "docker" "start" "-a" "a5d4c6b1a1438f6496be9c5cf6eb55dd79a1d622927deff17124da9bb066b1fe", kill_on_drop: false }` [INFO] [stderr] Compiling rust_pool v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/thread/simple/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/thread/simple/mod.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | type CJob = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IFnBox + Send + 'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync` [INFO] [stdout] --> src/thread/mapping/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `obj` [INFO] [stdout] --> src/thread/mapping/mod.rs:45:17 [INFO] [stdout] | [INFO] [stdout] 45 | let obj = notFoundCb(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `handler` [INFO] [stdout] --> src/thread/simple/mod.rs:21:2 [INFO] [stdout] | [INFO] [stdout] 21 | handler: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `threadNo` [INFO] [stdout] --> src/thread/simple/mod.rs:22:2 [INFO] [stdout] | [INFO] [stdout] 22 | threadNo: usize [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `workers` [INFO] [stdout] --> src/thread/simple/mod.rs:51:2 [INFO] [stdout] | [INFO] [stdout] 51 | workers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `CThread` [INFO] [stdout] --> src/thread/mapping/mod.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | struct CThread { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `CThreadPool` [INFO] [stdout] --> src/thread/mapping/mod.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct CThreadPool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `execute` [INFO] [stdout] --> src/thread/mapping/mod.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn execute(&mut self, key: &str, notFoundCb: NC, callback: F) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/thread/mapping/mod.rs:71:12 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn new() -> CThreadPool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `threadNo` should have a snake case name [INFO] [stdout] --> src/thread/simple/mod.rs:22:2 [INFO] [stdout] | [INFO] [stdout] 22 | threadNo: usize [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `thread_no` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `threadNo` should have a snake case name [INFO] [stdout] --> src/thread/simple/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | fn new(threadNo: usize, receiver: Arc>>) -> CWorker { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `thread_no` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `threadPool` should have a snake case name [INFO] [stdout] --> src/thread/simple/mod.rs:69:7 [INFO] [stdout] | [INFO] [stdout] 69 | let threadPool = CThreadPool { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `thread_pool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/thread/simple/mod.rs:79:3 [INFO] [stdout] | [INFO] [stdout] 79 | self.sender.send(Box::new(f)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `notFoundCb` should have a snake case name [INFO] [stdout] --> src/thread/mapping/mod.rs:29:52 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn execute(&mut self, key: &str, notFoundCb: NC, callback: F) [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `not_found_cb` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/thread/mapping/mod.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | t.sender.send(Box::new(callback)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/thread/mapping/mod.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | t.sender.send(Box::new(callback)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "a5d4c6b1a1438f6496be9c5cf6eb55dd79a1d622927deff17124da9bb066b1fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5d4c6b1a1438f6496be9c5cf6eb55dd79a1d622927deff17124da9bb066b1fe", kill_on_drop: false }` [INFO] [stdout] a5d4c6b1a1438f6496be9c5cf6eb55dd79a1d622927deff17124da9bb066b1fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d0a26ad5dc105ba04f239e19f4fe12e1cd8ff88b6357f34a64bbef0ed4b06e90 [INFO] running `Command { std: "docker" "start" "-a" "d0a26ad5dc105ba04f239e19f4fe12e1cd8ff88b6357f34a64bbef0ed4b06e90", kill_on_drop: false }` [INFO] [stderr] Compiling rust_pool v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/thread/simple/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/thread/simple/mod.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | type CJob = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IFnBox + Send + 'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync` [INFO] [stdout] --> src/thread/mapping/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `obj` [INFO] [stdout] --> src/thread/mapping/mod.rs:45:17 [INFO] [stdout] | [INFO] [stdout] 45 | let obj = notFoundCb(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `handler` [INFO] [stdout] --> src/thread/simple/mod.rs:21:2 [INFO] [stdout] | [INFO] [stdout] 21 | handler: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `threadNo` [INFO] [stdout] --> src/thread/simple/mod.rs:22:2 [INFO] [stdout] | [INFO] [stdout] 22 | threadNo: usize [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `workers` [INFO] [stdout] --> src/thread/simple/mod.rs:51:2 [INFO] [stdout] | [INFO] [stdout] 51 | workers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `CThread` [INFO] [stdout] --> src/thread/mapping/mod.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | struct CThread { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `CThreadPool` [INFO] [stdout] --> src/thread/mapping/mod.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct CThreadPool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `execute` [INFO] [stdout] --> src/thread/mapping/mod.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn execute(&mut self, key: &str, notFoundCb: NC, callback: F) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/thread/mapping/mod.rs:71:12 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn new() -> CThreadPool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `threadNo` should have a snake case name [INFO] [stdout] --> src/thread/simple/mod.rs:22:2 [INFO] [stdout] | [INFO] [stdout] 22 | threadNo: usize [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `thread_no` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `threadNo` should have a snake case name [INFO] [stdout] --> src/thread/simple/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | fn new(threadNo: usize, receiver: Arc>>) -> CWorker { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `thread_no` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `threadPool` should have a snake case name [INFO] [stdout] --> src/thread/simple/mod.rs:69:7 [INFO] [stdout] | [INFO] [stdout] 69 | let threadPool = CThreadPool { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `thread_pool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/thread/simple/mod.rs:79:3 [INFO] [stdout] | [INFO] [stdout] 79 | self.sender.send(Box::new(f)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `notFoundCb` should have a snake case name [INFO] [stdout] --> src/thread/mapping/mod.rs:29:52 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn execute(&mut self, key: &str, notFoundCb: NC, callback: F) [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `not_found_cb` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/thread/mapping/mod.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | t.sender.send(Box::new(callback)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/thread/mapping/mod.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | t.sender.send(Box::new(callback)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> src/thread/simple/mod.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/thread/simple/mod.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | type CJob = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IFnBox + Send + 'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync` [INFO] [stdout] --> src/thread/mapping/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `obj` [INFO] [stdout] --> src/thread/mapping/mod.rs:45:17 [INFO] [stdout] | [INFO] [stdout] 45 | let obj = notFoundCb(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `handler` [INFO] [stdout] --> src/thread/simple/mod.rs:21:2 [INFO] [stdout] | [INFO] [stdout] 21 | handler: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `threadNo` [INFO] [stdout] --> src/thread/simple/mod.rs:22:2 [INFO] [stdout] | [INFO] [stdout] 22 | threadNo: usize [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `workers` [INFO] [stdout] --> src/thread/simple/mod.rs:51:2 [INFO] [stdout] | [INFO] [stdout] 51 | workers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `CThread` [INFO] [stdout] --> src/thread/mapping/mod.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | struct CThread { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `CThreadPool` [INFO] [stdout] --> src/thread/mapping/mod.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct CThreadPool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `execute` [INFO] [stdout] --> src/thread/mapping/mod.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn execute(&mut self, key: &str, notFoundCb: NC, callback: F) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/thread/mapping/mod.rs:71:12 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn new() -> CThreadPool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `threadNo` should have a snake case name [INFO] [stdout] --> src/thread/simple/mod.rs:22:2 [INFO] [stdout] | [INFO] [stdout] 22 | threadNo: usize [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `thread_no` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `threadNo` should have a snake case name [INFO] [stdout] --> src/thread/simple/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | fn new(threadNo: usize, receiver: Arc>>) -> CWorker { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `thread_no` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `threadPool` should have a snake case name [INFO] [stdout] --> src/thread/simple/mod.rs:69:7 [INFO] [stdout] | [INFO] [stdout] 69 | let threadPool = CThreadPool { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `thread_pool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/thread/simple/mod.rs:79:3 [INFO] [stdout] | [INFO] [stdout] 79 | self.sender.send(Box::new(f)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `notFoundCb` should have a snake case name [INFO] [stdout] --> src/thread/mapping/mod.rs:29:52 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn execute(&mut self, key: &str, notFoundCb: NC, callback: F) [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `not_found_cb` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/thread/mapping/mod.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | t.sender.send(Box::new(callback)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/thread/mapping/mod.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | t.sender.send(Box::new(callback)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "d0a26ad5dc105ba04f239e19f4fe12e1cd8ff88b6357f34a64bbef0ed4b06e90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0a26ad5dc105ba04f239e19f4fe12e1cd8ff88b6357f34a64bbef0ed4b06e90", kill_on_drop: false }` [INFO] [stdout] d0a26ad5dc105ba04f239e19f4fe12e1cd8ff88b6357f34a64bbef0ed4b06e90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 42d30e2e03998d5245550a11000bf8622b8193bc7da6809cb32ed81dfba72c81 [INFO] running `Command { std: "docker" "start" "-a" "42d30e2e03998d5245550a11000bf8622b8193bc7da6809cb32ed81dfba72c81", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/thread/simple/mod.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/thread/simple/mod.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | type CJob = Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IFnBox + Send + 'static` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync` [INFO] [stderr] --> src/thread/mapping/mod.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::sync; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `obj` [INFO] [stderr] --> src/thread/mapping/mod.rs:45:17 [INFO] [stderr] | [INFO] [stderr] 45 | let obj = notFoundCb(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `handler` [INFO] [stderr] --> src/thread/simple/mod.rs:21:2 [INFO] [stderr] | [INFO] [stderr] 21 | handler: thread::JoinHandle<()>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `threadNo` [INFO] [stderr] --> src/thread/simple/mod.rs:22:2 [INFO] [stderr] | [INFO] [stderr] 22 | threadNo: usize [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `workers` [INFO] [stderr] --> src/thread/simple/mod.rs:51:2 [INFO] [stderr] | [INFO] [stderr] 51 | workers: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `CThread` [INFO] [stderr] --> src/thread/mapping/mod.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 19 | struct CThread { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `CThreadPool` [INFO] [stderr] --> src/thread/mapping/mod.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | struct CThreadPool { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `execute` [INFO] [stderr] --> src/thread/mapping/mod.rs:29:12 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn execute(&mut self, key: &str, notFoundCb: NC, callback: F) [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/thread/mapping/mod.rs:71:12 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn new() -> CThreadPool { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `threadNo` should have a snake case name [INFO] [stderr] --> src/thread/simple/mod.rs:22:2 [INFO] [stderr] | [INFO] [stderr] 22 | threadNo: usize [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `thread_no` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `threadNo` should have a snake case name [INFO] [stderr] --> src/thread/simple/mod.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | fn new(threadNo: usize, receiver: Arc>>) -> CWorker { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `thread_no` [INFO] [stderr] [INFO] [stderr] warning: variable `threadPool` should have a snake case name [INFO] [stderr] --> src/thread/simple/mod.rs:69:7 [INFO] [stderr] | [INFO] [stderr] 69 | let threadPool = CThreadPool { [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `thread_pool` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/thread/simple/mod.rs:79:3 [INFO] [stderr] | [INFO] [stderr] 79 | self.sender.send(Box::new(f)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `notFoundCb` should have a snake case name [INFO] [stderr] --> src/thread/mapping/mod.rs:29:52 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn execute(&mut self, key: &str, notFoundCb: NC, callback: F) [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `not_found_cb` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/thread/mapping/mod.rs:38:13 [INFO] [stderr] | [INFO] [stderr] 38 | t.sender.send(Box::new(callback)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/thread/mapping/mod.rs:62:17 [INFO] [stderr] | [INFO] [stderr] 62 | t.sender.send(Box::new(callback)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `rust_pool` (lib) generated 18 warnings [INFO] [stderr] warning: `rust_pool` (lib test) generated 18 warnings (18 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_pool-70b7da8ab3325de5) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests rust_pool [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "42d30e2e03998d5245550a11000bf8622b8193bc7da6809cb32ed81dfba72c81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42d30e2e03998d5245550a11000bf8622b8193bc7da6809cb32ed81dfba72c81", kill_on_drop: false }` [INFO] [stdout] 42d30e2e03998d5245550a11000bf8622b8193bc7da6809cb32ed81dfba72c81