[INFO] cloning repository https://github.com/carl-jin/rust-demo-threads-pool [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carl-jin/rust-demo-threads-pool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarl-jin%2Frust-demo-threads-pool", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarl-jin%2Frust-demo-threads-pool'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fb767b3630302eb05f28763670c37852ef51419e [INFO] testing carl-jin/rust-demo-threads-pool against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarl-jin%2Frust-demo-threads-pool" "/workspace/builds/worker-19/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/carl-jin/rust-demo-threads-pool on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/carl-jin/rust-demo-threads-pool [INFO] finished tweaking git repo https://github.com/carl-jin/rust-demo-threads-pool [INFO] tweaked toml for git repo https://github.com/carl-jin/rust-demo-threads-pool written to /workspace/builds/worker-19/source/Cargo.toml [INFO] crate git repo https://github.com/carl-jin/rust-demo-threads-pool already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 74710fb76001cdbbd4be8f5d966003eedc5415d085852692ce17e8fbcfb4ff77 [INFO] running `Command { std: "docker" "start" "-a" "74710fb76001cdbbd4be8f5d966003eedc5415d085852692ce17e8fbcfb4ff77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74710fb76001cdbbd4be8f5d966003eedc5415d085852692ce17e8fbcfb4ff77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74710fb76001cdbbd4be8f5d966003eedc5415d085852692ce17e8fbcfb4ff77", kill_on_drop: false }` [INFO] [stdout] 74710fb76001cdbbd4be8f5d966003eedc5415d085852692ce17e8fbcfb4ff77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 20b27246795932646a4f2ad8fb1bfbd06c1d353741b14af9d74525f43ca9eab4 [INFO] running `Command { std: "docker" "start" "-a" "20b27246795932646a4f2ad8fb1bfbd06c1d353741b14af9d74525f43ca9eab4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling thread_pool v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/main.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | id: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `thread` [INFO] [stdout] --> src/main.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | thread: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `MutexGuard` that must be used [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | self.cond_lock.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/main.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | self.data.cond.wait(cond_lock).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if unused the Mutex will immediately unlock [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.98s [INFO] running `Command { std: "docker" "inspect" "20b27246795932646a4f2ad8fb1bfbd06c1d353741b14af9d74525f43ca9eab4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20b27246795932646a4f2ad8fb1bfbd06c1d353741b14af9d74525f43ca9eab4", kill_on_drop: false }` [INFO] [stdout] 20b27246795932646a4f2ad8fb1bfbd06c1d353741b14af9d74525f43ca9eab4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f0d74aa1150312ef845fa334140ed7f486fa6d2d38d346e9551cf59caaafe88 [INFO] running `Command { std: "docker" "start" "-a" "1f0d74aa1150312ef845fa334140ed7f486fa6d2d38d346e9551cf59caaafe88", kill_on_drop: false }` [INFO] [stderr] Compiling thread_pool v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/main.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | id: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `thread` [INFO] [stdout] --> src/main.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | thread: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `MutexGuard` that must be used [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | self.cond_lock.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/main.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | self.data.cond.wait(cond_lock).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if unused the Mutex will immediately unlock [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "1f0d74aa1150312ef845fa334140ed7f486fa6d2d38d346e9551cf59caaafe88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f0d74aa1150312ef845fa334140ed7f486fa6d2d38d346e9551cf59caaafe88", kill_on_drop: false }` [INFO] [stdout] 1f0d74aa1150312ef845fa334140ed7f486fa6d2d38d346e9551cf59caaafe88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3e32f4148159fb9d886f3c8d60dba57089d25581692391951d4fd3d5630ba398 [INFO] running `Command { std: "docker" "start" "-a" "3e32f4148159fb9d886f3c8d60dba57089d25581692391951d4fd3d5630ba398", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/main.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | id: usize, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `thread` [INFO] [stderr] --> src/main.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | thread: thread::JoinHandle<()>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `MutexGuard` that must be used [INFO] [stderr] --> src/main.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | self.cond_lock.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/main.rs:109:13 [INFO] [stderr] | [INFO] [stderr] 109 | self.data.cond.wait(cond_lock).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if unused the Mutex will immediately unlock [INFO] [stderr] [INFO] [stderr] warning: `thread_pool` (bin "thread_pool" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/thread_pool-bc12429e4cd3c5d6) [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" "3e32f4148159fb9d886f3c8d60dba57089d25581692391951d4fd3d5630ba398", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e32f4148159fb9d886f3c8d60dba57089d25581692391951d4fd3d5630ba398", kill_on_drop: false }` [INFO] [stdout] 3e32f4148159fb9d886f3c8d60dba57089d25581692391951d4fd3d5630ba398