[INFO] fetching crate bastion-qutex 0.2.4... [INFO] checking bastion-qutex-0.2.4 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate bastion-qutex 0.2.4 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate bastion-qutex 0.2.4 [INFO] finished tweaking crates.io crate bastion-qutex 0.2.4 [INFO] tweaked toml for crates.io crate bastion-qutex 0.2.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate bastion-qutex 0.2.4 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate bastion-qutex 0.2.4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num_cpus v1.11.0 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded memoffset v0.5.2 [INFO] [stderr] Downloaded crossbeam v0.7.2 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded crossbeam-channel v0.3.9 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded libc v0.2.65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8bed1a988b014a70c105b575c5e889b543e6ffe63a2ada6162aa4f3347286381 [INFO] running `Command { std: "docker" "start" "-a" "8bed1a988b014a70c105b575c5e889b543e6ffe63a2ada6162aa4f3347286381", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8bed1a988b014a70c105b575c5e889b543e6ffe63a2ada6162aa4f3347286381", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bed1a988b014a70c105b575c5e889b543e6ffe63a2ada6162aa4f3347286381", kill_on_drop: false }` [INFO] [stdout] 8bed1a988b014a70c105b575c5e889b543e6ffe63a2ada6162aa4f3347286381 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 378b795909439bca0c5aa3b010f7e5d9715dd5e9ac8bb84f9fbbfcf44187b132 [INFO] running `Command { std: "docker" "start" "-a" "378b795909439bca0c5aa3b010f7e5d9715dd5e9ac8bb84f9fbbfcf44187b132", kill_on_drop: false }` [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling memoffset v0.5.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking crossbeam v0.7.2 [INFO] [stderr] Checking bastion-qutex v0.2.4 (/opt/rustwide/workdir) [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/qutex.rs:223:32 [INFO] [stdout] | [INFO] [stdout] 223 | match self.inner.state.compare_and_swap(0, 1, SeqCst) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `forget` is never used [INFO] [stdout] --> src/qrw_lock.rs:77:15 [INFO] [stdout] | [INFO] [stdout] 71 | trait Guard [INFO] [stdout] | ----- method in this trait [INFO] [stdout] ... [INFO] [stdout] 77 | unsafe fn forget(self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/qrw_lock.rs:552:17 [INFO] [stdout] | [INFO] [stdout] 552 | ::std::mem::replace(&mut *self.inner.tip.get(), self.inner.queue.pop().ok()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 552 | let _ = ::std::mem::replace(&mut *self.inner.tip.get(), self.inner.queue.pop().ok()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/qrw_lock.rs:939:30 [INFO] [stdout] | [INFO] [stdout] 939 | let futures: Vec>> = vec![ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 939 | let futures: Vec>> = vec![ [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/qutex.rs:223:32 [INFO] [stdout] | [INFO] [stdout] 223 | match self.inner.state.compare_and_swap(0, 1, SeqCst) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `forget` is never used [INFO] [stdout] --> src/qrw_lock.rs:77:15 [INFO] [stdout] | [INFO] [stdout] 71 | trait Guard [INFO] [stdout] | ----- method in this trait [INFO] [stdout] ... [INFO] [stdout] 77 | unsafe fn forget(self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bastion-qutex` (example "qutex") due to 1 previous error [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/qrw_lock.rs:552:17 [INFO] [stdout] | [INFO] [stdout] 552 | ::std::mem::replace(&mut *self.inner.tip.get(), self.inner.queue.pop().ok()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 552 | let _ = ::std::mem::replace(&mut *self.inner.tip.get(), self.inner.queue.pop().ok()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `qutex` [INFO] [stdout] --> examples/qutex.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate qutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "378b795909439bca0c5aa3b010f7e5d9715dd5e9ac8bb84f9fbbfcf44187b132", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "378b795909439bca0c5aa3b010f7e5d9715dd5e9ac8bb84f9fbbfcf44187b132", kill_on_drop: false }` [INFO] [stdout] 378b795909439bca0c5aa3b010f7e5d9715dd5e9ac8bb84f9fbbfcf44187b132