[INFO] fetching crate threader 0.0.4... [INFO] checking threader-0.0.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate threader 0.0.4 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate threader 0.0.4 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 66 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding crossbeam v0.7.3 (latest: v0.8.4) [INFO] [stderr] Adding crossbeam-channel v0.4.4 (latest: v0.5.12) [INFO] [stderr] Adding crossbeam-deque v0.7.4 (latest: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (latest: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (latest: v0.8.19) [INFO] [stderr] Adding lazy_static v0.2.11 (latest: v1.4.0) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.11) [INFO] [stderr] Adding memoffset v0.5.6 (latest: v0.9.1) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding parking_lot v0.9.0 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.6.3 (latest: v0.9.9) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding thread-id v3.3.0 (latest: v4.2.1) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1223fdf44d8fc5c48b05a62d107f89a656e171c94feda864b527d212b0da643d [INFO] running `Command { std: "docker" "start" "-a" "1223fdf44d8fc5c48b05a62d107f89a656e171c94feda864b527d212b0da643d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1223fdf44d8fc5c48b05a62d107f89a656e171c94feda864b527d212b0da643d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1223fdf44d8fc5c48b05a62d107f89a656e171c94feda864b527d212b0da643d", kill_on_drop: false }` [INFO] [stdout] 1223fdf44d8fc5c48b05a62d107f89a656e171c94feda864b527d212b0da643d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6965bcb1a477932cc06d687248cf446ecd88ceaed6f0953de99a15a1f714d261 [INFO] running `Command { std: "docker" "start" "-a" "6965bcb1a477932cc06d687248cf446ecd88ceaed6f0953de99a15a1f714d261", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking flame v0.2.2 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking threader v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `futures` is imported redundantly [INFO] [stdout] --> src/reactor/mod.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | self, [INFO] [stdout] | ^^^^ the item `futures` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [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] [INFO] [stdout] warning: the item `futures` is imported redundantly [INFO] [stdout] --> src/thread_pool/task/mod.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::{self, future::Future, task::Waker}; [INFO] [stdout] | ^^^^ the item `futures` is already defined by prelude [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: the item `futures` is imported redundantly [INFO] [stdout] --> src/reactor/mod.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | self, [INFO] [stdout] | ^^^^ the item `futures` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [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] [INFO] [stdout] warning: the item `futures` is imported redundantly [INFO] [stdout] --> src/thread_pool/task/mod.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::{self, future::Future, task::Waker}; [INFO] [stdout] | ^^^^ the item `futures` is already defined by prelude [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 method `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 method `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 method `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 method `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: use of deprecated method `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 method `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: method `try_clone` is never used [INFO] [stdout] --> src/net/tcp.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 71 | impl TcpStream { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 102 | fn try_clone(&self) -> io::Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `count` is never read [INFO] [stdout] --> src/thread_pool/mod.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 44 | workers: Vec<(JoinHandle<()>, Arc)>, [INFO] [stdout] 45 | count: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InvalidGuard` is never constructed [INFO] [stdout] --> src/thread_pool/task/raw.rs:76:19 [INFO] [stdout] | [INFO] [stdout] 76 | pub(crate) struct InvalidGuard; [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 { [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: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `try_clone` is never used [INFO] [stdout] --> src/net/tcp.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 71 | impl TcpStream { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 102 | fn try_clone(&self) -> io::Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `count` is never read [INFO] [stdout] --> src/thread_pool/mod.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 44 | workers: Vec<(JoinHandle<()>, Arc)>, [INFO] [stdout] 45 | count: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InvalidGuard` is never constructed [INFO] [stdout] --> src/thread_pool/task/raw.rs:76:19 [INFO] [stdout] | [INFO] [stdout] 76 | pub(crate) struct InvalidGuard; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.88s [INFO] running `Command { std: "docker" "inspect" "6965bcb1a477932cc06d687248cf446ecd88ceaed6f0953de99a15a1f714d261", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6965bcb1a477932cc06d687248cf446ecd88ceaed6f0953de99a15a1f714d261", kill_on_drop: false }` [INFO] [stdout] 6965bcb1a477932cc06d687248cf446ecd88ceaed6f0953de99a15a1f714d261