[INFO] cloning repository https://github.com/EqZotiQQQ/threads [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EqZotiQQQ/threads" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEqZotiQQQ%2Fthreads", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEqZotiQQQ%2Fthreads'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 483ee48a29d805fbf34336a1e23f31c9d546c4d8 [INFO] testing EqZotiQQQ/threads against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEqZotiQQQ%2Fthreads" "/workspace/builds/worker-83/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/EqZotiQQQ/threads on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/EqZotiQQQ/threads [INFO] finished tweaking git repo https://github.com/EqZotiQQQ/threads [INFO] tweaked toml for git repo https://github.com/EqZotiQQQ/threads written to /workspace/builds/worker-83/source/Cargo.toml [INFO] crate git repo https://github.com/EqZotiQQQ/threads already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f7006849b12db8217f58d72e1ce30730b3c4a3cc75b4e54fd81a4079d13e82e [INFO] running `Command { std: "docker" "start" "-a" "2f7006849b12db8217f58d72e1ce30730b3c4a3cc75b4e54fd81a4079d13e82e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f7006849b12db8217f58d72e1ce30730b3c4a3cc75b4e54fd81a4079d13e82e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f7006849b12db8217f58d72e1ce30730b3c4a3cc75b4e54fd81a4079d13e82e", kill_on_drop: false }` [INFO] [stdout] 2f7006849b12db8217f58d72e1ce30730b3c4a3cc75b4e54fd81a4079d13e82e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 41eb429cbeac700edd66b702262a012c30fc30d1d275a0e8682d501046b2b9cd [INFO] running `Command { std: "docker" "start" "-a" "41eb429cbeac700edd66b702262a012c30fc30d1d275a0e8682d501046b2b9cd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling num_cpus v0.2.13 [INFO] [stderr] Compiling threads v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> src/single_thread_executor.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/single_thread_executor.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | let mut queue = Arc::clone(&self.queue); [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: variant is never constructed: `NEW` [INFO] [stdout] --> src/single_thread_executor.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | NEW, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RUNNING` [INFO] [stdout] --> src/single_thread_executor.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | RUNNING, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `NotStarted` [INFO] [stdout] --> src/single_thread_executor.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | NotStarted, // Invoked when you append functions while Executor didn't start yet [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `STOPPED` [INFO] [stdout] --> src/single_thread_executor.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | STOPPED, // Invoked when you append functions while Executor Stopped [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `AlreadyRunning` [INFO] [stdout] --> src/single_thread_executor.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | AlreadyRunning, // Invoked when you tried to start Executor twice [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/single_thread_executor.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new() -> Executor { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `start` [INFO] [stdout] --> src/single_thread_executor.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn start(&mut self) -> Result<(), CustomError>{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `append` [INFO] [stdout] --> src/single_thread_executor.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn append(&mut self, f: Box) -> Result<(), CustomError> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `MutexGuard` that must be used [INFO] [stdout] --> src/single_thread_executor.rs:59:29 [INFO] [stdout] | [INFO] [stdout] 59 | ... cv.wait(lock).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if unused the Mutex will immediately unlock [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `MutexGuard` that must be used [INFO] [stdout] --> src/single_thread_executor.rs:101:13 [INFO] [stdout] | [INFO] [stdout] 101 | self.cv.wait(lock).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if unused the Mutex will immediately unlock [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/single_thread_executor.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | self.join(); // we invoke join to correctly finish the jobs [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: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::single_thread_executor::Executor` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::single_thread_executor::Executor; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> src/single_thread_executor.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/single_thread_executor.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | let mut queue = Arc::clone(&self.queue); [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: variant is never constructed: `NEW` [INFO] [stdout] --> src/single_thread_executor.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | NEW, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RUNNING` [INFO] [stdout] --> src/single_thread_executor.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | RUNNING, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `NotStarted` [INFO] [stdout] --> src/single_thread_executor.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | NotStarted, // Invoked when you append functions while Executor didn't start yet [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `STOPPED` [INFO] [stdout] --> src/single_thread_executor.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | STOPPED, // Invoked when you append functions while Executor Stopped [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `AlreadyRunning` [INFO] [stdout] --> src/single_thread_executor.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | AlreadyRunning, // Invoked when you tried to start Executor twice [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/single_thread_executor.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new() -> Executor { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `start` [INFO] [stdout] --> src/single_thread_executor.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn start(&mut self) -> Result<(), CustomError>{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `append` [INFO] [stdout] --> src/single_thread_executor.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn append(&mut self, f: Box) -> Result<(), CustomError> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `MutexGuard` that must be used [INFO] [stdout] --> src/single_thread_executor.rs:59:29 [INFO] [stdout] | [INFO] [stdout] 59 | ... cv.wait(lock).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if unused the Mutex will immediately unlock [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `MutexGuard` that must be used [INFO] [stdout] --> src/single_thread_executor.rs:101:13 [INFO] [stdout] | [INFO] [stdout] 101 | self.cv.wait(lock).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if unused the Mutex will immediately unlock [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/single_thread_executor.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | self.join(); // we invoke join to correctly finish the jobs [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: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.88s [INFO] running `Command { std: "docker" "inspect" "41eb429cbeac700edd66b702262a012c30fc30d1d275a0e8682d501046b2b9cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41eb429cbeac700edd66b702262a012c30fc30d1d275a0e8682d501046b2b9cd", kill_on_drop: false }` [INFO] [stdout] 41eb429cbeac700edd66b702262a012c30fc30d1d275a0e8682d501046b2b9cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4017d2c6f7eaf53fa056e222ae04f612d89077daec310c0b10ef2b029c33be22 [INFO] running `Command { std: "docker" "start" "-a" "4017d2c6f7eaf53fa056e222ae04f612d89077daec310c0b10ef2b029c33be22", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> src/single_thread_executor.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/single_thread_executor.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | let mut queue = Arc::clone(&self.queue); [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: variant is never constructed: `NEW` [INFO] [stdout] --> src/single_thread_executor.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | NEW, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RUNNING` [INFO] [stdout] --> src/single_thread_executor.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | RUNNING, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `NotStarted` [INFO] [stdout] --> src/single_thread_executor.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | NotStarted, // Invoked when you append functions while Executor didn't start yet [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `STOPPED` [INFO] [stdout] --> src/single_thread_executor.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | STOPPED, // Invoked when you append functions while Executor Stopped [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `AlreadyRunning` [INFO] [stdout] --> src/single_thread_executor.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | AlreadyRunning, // Invoked when you tried to start Executor twice [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/single_thread_executor.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new() -> Executor { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `start` [INFO] [stdout] --> src/single_thread_executor.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn start(&mut self) -> Result<(), CustomError>{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `append` [INFO] [stdout] --> src/single_thread_executor.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn append(&mut self, f: Box) -> Result<(), CustomError> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `MutexGuard` that must be used [INFO] [stdout] --> src/single_thread_executor.rs:59:29 [INFO] [stdout] | [INFO] [stdout] 59 | ... cv.wait(lock).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if unused the Mutex will immediately unlock [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `MutexGuard` that must be used [INFO] [stdout] --> src/single_thread_executor.rs:101:13 [INFO] [stdout] | [INFO] [stdout] 101 | self.cv.wait(lock).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if unused the Mutex will immediately unlock [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/single_thread_executor.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | self.join(); // we invoke join to correctly finish the jobs [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling threads v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::single_thread_executor::Executor` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::single_thread_executor::Executor; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> src/single_thread_executor.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::JoinHandle` [INFO] [stdout] --> src/single_thread_executor.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread::JoinHandle; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/single_thread_executor.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | let mut queue = Arc::clone(&self.queue); [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: variant is never constructed: `NEW` [INFO] [stdout] --> src/single_thread_executor.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | NEW, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RUNNING` [INFO] [stdout] --> src/single_thread_executor.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | RUNNING, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `NotStarted` [INFO] [stdout] --> src/single_thread_executor.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | NotStarted, // Invoked when you append functions while Executor didn't start yet [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `STOPPED` [INFO] [stdout] --> src/single_thread_executor.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | STOPPED, // Invoked when you append functions while Executor Stopped [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `AlreadyRunning` [INFO] [stdout] --> src/single_thread_executor.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | AlreadyRunning, // Invoked when you tried to start Executor twice [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/single_thread_executor.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new() -> Executor { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `start` [INFO] [stdout] --> src/single_thread_executor.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn start(&mut self) -> Result<(), CustomError>{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `append` [INFO] [stdout] --> src/single_thread_executor.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 78 | pub fn append(&mut self, f: Box) -> Result<(), CustomError> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/single_thread_executor.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | let mut queue = Arc::clone(&self.queue); [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/single_thread_executor_tests.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | let mut f = || -> () {println!("Hello!")}; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RUNNING` [INFO] [stdout] --> src/single_thread_executor.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | RUNNING, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `AlreadyRunning` [INFO] [stdout] --> src/single_thread_executor.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | AlreadyRunning, // Invoked when you tried to start Executor twice [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `start` [INFO] [stdout] --> src/single_thread_executor.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn start(&mut self) -> Result<(), CustomError>{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `MutexGuard` that must be used [INFO] [stdout] --> src/single_thread_executor.rs:59:29 [INFO] [stdout] | [INFO] [stdout] 59 | ... cv.wait(lock).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if unused the Mutex will immediately unlock [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `MutexGuard` that must be used [INFO] [stdout] --> src/single_thread_executor.rs:101:13 [INFO] [stdout] | [INFO] [stdout] 101 | self.cv.wait(lock).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if unused the Mutex will immediately unlock [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/single_thread_executor.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | self.join(); // we invoke join to correctly finish the jobs [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 `MutexGuard` that must be used [INFO] [stdout] --> src/single_thread_executor.rs:59:29 [INFO] [stdout] | [INFO] [stdout] 59 | ... cv.wait(lock).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if unused the Mutex will immediately unlock [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `MutexGuard` that must be used [INFO] [stdout] --> src/single_thread_executor.rs:101:13 [INFO] [stdout] | [INFO] [stdout] 101 | self.cv.wait(lock).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if unused the Mutex will immediately unlock [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/single_thread_executor.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | self.join(); // we invoke join to correctly finish the jobs [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/single_thread_executor_tests.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | executor.append(Box::new(f)); [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: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.47s [INFO] running `Command { std: "docker" "inspect" "4017d2c6f7eaf53fa056e222ae04f612d89077daec310c0b10ef2b029c33be22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4017d2c6f7eaf53fa056e222ae04f612d89077daec310c0b10ef2b029c33be22", kill_on_drop: false }` [INFO] [stdout] 4017d2c6f7eaf53fa056e222ae04f612d89077daec310c0b10ef2b029c33be22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7ddfbc9440c68d2ec4d75141ace75f81007399c0b78eeaa4789466191e0eac0a [INFO] running `Command { std: "docker" "start" "-a" "7ddfbc9440c68d2ec4d75141ace75f81007399c0b78eeaa4789466191e0eac0a", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::thread::JoinHandle` [INFO] [stderr] --> src/single_thread_executor.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::thread::JoinHandle; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/single_thread_executor.rs:98:13 [INFO] [stderr] | [INFO] [stderr] 98 | let mut queue = Arc::clone(&self.queue); [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: variant is never constructed: `NEW` [INFO] [stderr] --> src/single_thread_executor.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | NEW, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `RUNNING` [INFO] [stderr] --> src/single_thread_executor.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | RUNNING, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `NotStarted` [INFO] [stderr] --> src/single_thread_executor.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | NotStarted, // Invoked when you append functions while Executor didn't start yet [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `STOPPED` [INFO] [stderr] --> src/single_thread_executor.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | STOPPED, // Invoked when you append functions while Executor Stopped [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `AlreadyRunning` [INFO] [stderr] --> src/single_thread_executor.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | AlreadyRunning, // Invoked when you tried to start Executor twice [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/single_thread_executor.rs:34:12 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn new() -> Executor { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `start` [INFO] [stderr] --> src/single_thread_executor.rs:45:12 [INFO] [stderr] | [INFO] [stderr] 45 | pub fn start(&mut self) -> Result<(), CustomError>{ [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `append` [INFO] [stderr] --> src/single_thread_executor.rs:78:12 [INFO] [stderr] | [INFO] [stderr] 78 | pub fn append(&mut self, f: Box) -> Result<(), CustomError> { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `MutexGuard` that must be used [INFO] [stderr] --> src/single_thread_executor.rs:59:29 [INFO] [stderr] | [INFO] [stderr] 59 | ... cv.wait(lock).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if unused the Mutex will immediately unlock [INFO] [stderr] [INFO] [stderr] warning: unused `MutexGuard` that must be used [INFO] [stderr] --> src/single_thread_executor.rs:101:13 [INFO] [stderr] | [INFO] [stderr] 101 | self.cv.wait(lock).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if unused the Mutex will immediately unlock [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/single_thread_executor.rs:119:9 [INFO] [stderr] | [INFO] [stderr] 119 | self.join(); // we invoke join to correctly finish the jobs [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `threads` (lib) generated 13 warnings [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/single_thread_executor_tests.rs:10:13 [INFO] [stderr] | [INFO] [stderr] 10 | let mut f = || -> () {println!("Hello!")}; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `RUNNING` [INFO] [stderr] --> src/single_thread_executor.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | RUNNING, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/single_thread_executor_tests.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | executor.append(Box::new(f)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread::sleep` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::thread::sleep; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::single_thread_executor::Executor` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::single_thread_executor::Executor; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread::JoinHandle` [INFO] [stderr] --> src/single_thread_executor.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::thread::JoinHandle; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `threads` (lib test) generated 10 warnings (7 duplicates) [INFO] [stderr] warning: `threads` (bin "threads" test) generated 16 warnings (12 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/threads-c11a4de6dfa52452) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test single_thread_executor_tests::tests::create_executor ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/threads-c631817c479ac353) [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] [stderr] Doc-tests threads [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" "7ddfbc9440c68d2ec4d75141ace75f81007399c0b78eeaa4789466191e0eac0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ddfbc9440c68d2ec4d75141ace75f81007399c0b78eeaa4789466191e0eac0a", kill_on_drop: false }` [INFO] [stdout] 7ddfbc9440c68d2ec4d75141ace75f81007399c0b78eeaa4789466191e0eac0a