[INFO] fetching crate threader 0.0.4...
[INFO] testing threader-0.0.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate threader 0.0.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate threader 0.0.4 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate threader 0.0.4
[INFO] finished tweaking crates.io crate threader 0.0.4
[INFO] tweaked toml for crates.io crate threader 0.0.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flame v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2db94e87528e04feeed8598ebc268b8cc2ec72897bd067fe73f276a9e4efcf73
[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" "2db94e87528e04feeed8598ebc268b8cc2ec72897bd067fe73f276a9e4efcf73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2db94e87528e04feeed8598ebc268b8cc2ec72897bd067fe73f276a9e4efcf73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db94e87528e04feeed8598ebc268b8cc2ec72897bd067fe73f276a9e4efcf73", kill_on_drop: false }`
[INFO] [stdout] 2db94e87528e04feeed8598ebc268b8cc2ec72897bd067fe73f276a9e4efcf73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 604ec69a4df6ba19b5523eee1fae5a317d0114d293f07986e9eb2318a13ef4f9
[INFO] running `Command { std: "docker" "start" "-a" "604ec69a4df6ba19b5523eee1fae5a317d0114d293f07986e9eb2318a13ef4f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling threader v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/thread_pool/task/raw.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ptr,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `InvalidGuard`
[INFO] [stdout]  --> src/thread_pool/task/mod.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use raw::{Header, InvalidGuard, RawTask};
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/thread_pool/task/raw.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 |         .compare_and_swap(UNLOCKED, LOCKED, Ordering::AcqRel)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/thread_pool/worker.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |             .compare_and_swap(RUNNING, IDLE, Ordering::AcqRel)
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/utils/thread_parker.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |             .compare_and_swap(false, true, Ordering::Release);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_clone`
[INFO] [stdout]    --> src/net/tcp.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn try_clone(&self) -> io::Result<TcpStream> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `count`
[INFO] [stdout]   --> src/thread_pool/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     count: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.29s
[INFO] running `Command { std: "docker" "inspect" "604ec69a4df6ba19b5523eee1fae5a317d0114d293f07986e9eb2318a13ef4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "604ec69a4df6ba19b5523eee1fae5a317d0114d293f07986e9eb2318a13ef4f9", kill_on_drop: false }`
[INFO] [stdout] 604ec69a4df6ba19b5523eee1fae5a317d0114d293f07986e9eb2318a13ef4f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17ecbb63f20de58f3a9bc848878bb900ab8c07dc40b42004d02425bea165d6d0
[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" "17ecbb63f20de58f3a9bc848878bb900ab8c07dc40b42004d02425bea165d6d0", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/thread_pool/task/raw.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ptr,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `InvalidGuard`
[INFO] [stdout]  --> src/thread_pool/task/mod.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use raw::{Header, InvalidGuard, RawTask};
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/thread_pool/task/raw.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 |         .compare_and_swap(UNLOCKED, LOCKED, Ordering::AcqRel)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/thread_pool/worker.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |             .compare_and_swap(RUNNING, IDLE, Ordering::AcqRel)
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/utils/thread_parker.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |             .compare_and_swap(false, true, Ordering::Release);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_clone`
[INFO] [stdout]    --> src/net/tcp.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn try_clone(&self) -> io::Result<TcpStream> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `count`
[INFO] [stdout]   --> src/thread_pool/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     count: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling flame v0.2.2
[INFO] [stderr]    Compiling threader v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ptr`
[INFO] [stdout]  --> src/thread_pool/task/raw.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ptr,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `InvalidGuard`
[INFO] [stdout]  --> src/thread_pool/task/mod.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use raw::{Header, InvalidGuard, RawTask};
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/thread_pool/task/raw.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 |         .compare_and_swap(UNLOCKED, LOCKED, Ordering::AcqRel)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/thread_pool/worker.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |             .compare_and_swap(RUNNING, IDLE, Ordering::AcqRel)
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/utils/thread_parker.rs:127:14
[INFO] [stdout]     |
[INFO] [stdout] 127 |             .compare_and_swap(false, true, Ordering::Release);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/thread_pool/mod.rs:252:21
[INFO] [stdout]     |
[INFO] [stdout] 252 |             fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[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: associated function is never used: `try_clone`
[INFO] [stdout]    --> src/net/tcp.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn try_clone(&self) -> io::Result<TcpStream> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `count`
[INFO] [stdout]   --> src/thread_pool/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     count: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.91s
[INFO] running `Command { std: "docker" "inspect" "17ecbb63f20de58f3a9bc848878bb900ab8c07dc40b42004d02425bea165d6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ecbb63f20de58f3a9bc848878bb900ab8c07dc40b42004d02425bea165d6d0", kill_on_drop: false }`
[INFO] [stdout] 17ecbb63f20de58f3a9bc848878bb900ab8c07dc40b42004d02425bea165d6d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e93814d4bd45c91d25d60c4ac200143e8731bd9754844ed66ed36ca24d82566d
[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" "e93814d4bd45c91d25d60c4ac200143e8731bd9754844ed66ed36ca24d82566d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ptr`
[INFO] [stderr]  --> src/thread_pool/task/raw.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ptr,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `InvalidGuard`
[INFO] [stderr]  --> src/thread_pool/task/mod.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | use raw::{Header, InvalidGuard, RawTask};
[INFO] [stderr]   |                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/thread_pool/task/raw.rs:181:10
[INFO] [stderr]     |
[INFO] [stderr] 181 |         .compare_and_swap(UNLOCKED, LOCKED, Ordering::AcqRel)
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/thread_pool/worker.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |             .compare_and_swap(RUNNING, IDLE, Ordering::AcqRel)
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/utils/thread_parker.rs:127:14
[INFO] [stderr]     |
[INFO] [stderr] 127 |             .compare_and_swap(false, true, Ordering::Release);
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `try_clone`
[INFO] [stderr]    --> src/net/tcp.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn try_clone(&self) -> io::Result<TcpStream> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `count`
[INFO] [stderr]   --> src/thread_pool/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     count: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ptr`
[INFO] [stderr]  --> src/thread_pool/task/raw.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ptr,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `InvalidGuard`
[INFO] [stderr]  --> src/thread_pool/task/mod.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | use raw::{Header, InvalidGuard, RawTask};
[INFO] [stderr]   |                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/thread_pool/task/raw.rs:181:10
[INFO] [stderr]     |
[INFO] [stderr] 181 |         .compare_and_swap(UNLOCKED, LOCKED, Ordering::AcqRel)
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/thread_pool/worker.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |             .compare_and_swap(RUNNING, IDLE, Ordering::AcqRel)
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/utils/thread_parker.rs:127:14
[INFO] [stderr]     |
[INFO] [stderr] 127 |             .compare_and_swap(false, true, Ordering::Release);
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/thread_pool/mod.rs:252:21
[INFO] [stderr]     |
[INFO] [stderr] 252 |             fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
[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: associated function is never used: `try_clone`
[INFO] [stderr]    --> src/net/tcp.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn try_clone(&self) -> io::Result<TcpStream> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `count`
[INFO] [stderr]   --> src/thread_pool/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     count: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/threader-12ce846a7f438359
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test net::tcp::tests::connect_test ... ignored
[INFO] [stdout] test thread_pool::tests::bad_future ... ignored
[INFO] [stdout] test thread_pool::tests::time_threader ... ignored
[INFO] [stdout] test net::tcp::tests::listener_stream_connect ... ok
[INFO] [stdout] test net::tcp::tests::connect_invalid_port ... ok
[INFO] [stdout] test thread_pool::tests::custom_thread_count ... ok
[INFO] [stdout] test thread_pool::tests::zero_threads ... ok
[INFO] [stdout] test thread_pool::tests::simple ... ok
[INFO] [stdout] test thread_pool::tests::reschedule ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 4.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests threader
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/thread_pool/mod.rs - thread_pool::ThreadPool::new (line 57) ... ok
[INFO] [stdout] test src/thread_pool/mod.rs - thread_pool::ThreadPool (line 23) ... ok
[INFO] [stdout] test src/utils/thread_parker.rs - utils::thread_parker::ThreadParker (line 22) ... ok
[INFO] [stdout] test src/utils/debug_utils.rs - utils::debug_utils::debug_unreachable (line 8) ... ok
[INFO] [stdout] test src/utils/thread_parker.rs - utils::thread_parker::ThreadParker::unparker (line 70) ... ok
[INFO] [stdout] test src/thread_pool/mod.rs - thread_pool::ThreadPool::with_threads (line 79) ... ok
[INFO] [stdout] test src/utils/thread_parker.rs - utils::thread_parker::ThreadParker::new (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e93814d4bd45c91d25d60c4ac200143e8731bd9754844ed66ed36ca24d82566d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93814d4bd45c91d25d60c4ac200143e8731bd9754844ed66ed36ca24d82566d", kill_on_drop: false }`
[INFO] [stdout] e93814d4bd45c91d25d60c4ac200143e8731bd9754844ed66ed36ca24d82566d