[INFO] fetching crate shared-data 0.0.2... [INFO] testing shared-data-0.0.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] extracting crate shared-data 0.0.2 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate shared-data 0.0.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate shared-data 0.0.2 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate shared-data 0.0.2 [INFO] tweaked toml for crates.io crate shared-data 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate shared-data 0.0.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded array-macro v1.0.4 [INFO] [stderr] Downloaded no-panic v0.1.12 [INFO] [stderr] Downloaded bincode v1.2.1 [INFO] [stderr] Downloaded ipc-channel v0.12.2 [INFO] [stderr] Downloaded memrange v0.1.3 [INFO] [stderr] Downloaded theban_interval_tree v0.7.1 [INFO] [stderr] Downloaded ucd-util v0.1.5 [INFO] [stderr] Downloaded shared_memory v0.8.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d20cc7b2e10bc5b16c79595ddd62f755f69f47693703a7f406c8193e71cd05c7 [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" "d20cc7b2e10bc5b16c79595ddd62f755f69f47693703a7f406c8193e71cd05c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d20cc7b2e10bc5b16c79595ddd62f755f69f47693703a7f406c8193e71cd05c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d20cc7b2e10bc5b16c79595ddd62f755f69f47693703a7f406c8193e71cd05c7", kill_on_drop: false }` [INFO] [stdout] d20cc7b2e10bc5b16c79595ddd62f755f69f47693703a7f406c8193e71cd05c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 34483e4dca3a2275d32bf215a37a805b90cc93e3ac3e6546d857cd9cc6e7ac6f [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" "34483e4dca3a2275d32bf215a37a805b90cc93e3ac3e6546d857cd9cc6e7ac6f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling ucd-util v0.1.5 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling array-macro v1.0.4 [INFO] [stderr] Compiling atom v0.3.5 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling memrange v0.1.3 [INFO] [stderr] Compiling theban_interval_tree v0.7.1 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling shared_memory v0.8.2 [INFO] [stderr] Compiling shared-data v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/atomic_shared_address.rs:33:29 [INFO] [stdout] | [INFO] [stdout] 33 | let result = self.0.compare_and_swap(current, new, order); [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::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/atomic_shared_address_range.rs:35:29 [INFO] [stdout] | [INFO] [stdout] 35 | let result = self.0.compare_and_swap(current, new, order); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/shared_option.rs:47:14 [INFO] [stdout] | [INFO] [stdout] 47 | .compare_and_swap(UNOCCUPIED, RESERVED, Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/shared_option.rs:61:14 [INFO] [stdout] | [INFO] [stdout] 61 | .compare_and_swap(OCCUPIED, RESERVED, Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/shared_rc.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | / mem::replace( [INFO] [stdout] 92 | | &mut self.0, [INFO] [stdout] 93 | | ManuallyDrop::new(SharedBox::unchecked_from_address(SharedAddressRange::null())), [INFO] [stdout] 94 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.44s [INFO] running `Command { std: "docker" "inspect" "34483e4dca3a2275d32bf215a37a805b90cc93e3ac3e6546d857cd9cc6e7ac6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34483e4dca3a2275d32bf215a37a805b90cc93e3ac3e6546d857cd9cc6e7ac6f", kill_on_drop: false }` [INFO] [stdout] 34483e4dca3a2275d32bf215a37a805b90cc93e3ac3e6546d857cd9cc6e7ac6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 593de9e23e16fd5d1cc0132592ea101737c60bc6c1c403c375a92207fb713a79 [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" "593de9e23e16fd5d1cc0132592ea101737c60bc6c1c403c375a92207fb713a79", kill_on_drop: false }` [INFO] [stderr] Compiling shared-data v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/atomic_shared_address.rs:33:29 [INFO] [stdout] | [INFO] [stdout] 33 | let result = self.0.compare_and_swap(current, new, order); [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::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/atomic_shared_address_range.rs:35:29 [INFO] [stdout] | [INFO] [stdout] 35 | let result = self.0.compare_and_swap(current, new, order); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/shared_option.rs:47:14 [INFO] [stdout] | [INFO] [stdout] 47 | .compare_and_swap(UNOCCUPIED, RESERVED, Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/shared_option.rs:61:14 [INFO] [stdout] | [INFO] [stdout] 61 | .compare_and_swap(OCCUPIED, RESERVED, Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/shared_rc.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | / mem::replace( [INFO] [stdout] 92 | | &mut self.0, [INFO] [stdout] 93 | | ManuallyDrop::new(SharedBox::unchecked_from_address(SharedAddressRange::null())), [INFO] [stdout] 94 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/atomic_shared_address.rs:33:29 [INFO] [stdout] | [INFO] [stdout] 33 | let result = self.0.compare_and_swap(current, new, order); [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::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/atomic_shared_address_range.rs:35:29 [INFO] [stdout] | [INFO] [stdout] 35 | let result = self.0.compare_and_swap(current, new, order); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/shared_option.rs:47:14 [INFO] [stdout] | [INFO] [stdout] 47 | .compare_and_swap(UNOCCUPIED, RESERVED, Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/shared_option.rs:61:14 [INFO] [stdout] | [INFO] [stdout] 61 | .compare_and_swap(OCCUPIED, RESERVED, Ordering::SeqCst) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/shared_rc.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | / mem::replace( [INFO] [stdout] 92 | | &mut self.0, [INFO] [stdout] 93 | | ManuallyDrop::new(SharedBox::unchecked_from_address(SharedAddressRange::null())), [INFO] [stdout] 94 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.45s [INFO] running `Command { std: "docker" "inspect" "593de9e23e16fd5d1cc0132592ea101737c60bc6c1c403c375a92207fb713a79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "593de9e23e16fd5d1cc0132592ea101737c60bc6c1c403c375a92207fb713a79", kill_on_drop: false }` [INFO] [stdout] 593de9e23e16fd5d1cc0132592ea101737c60bc6c1c403c375a92207fb713a79 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", 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] e77fdf4b27f996b69e2aa324fde9b49adfc39389c75835fd2845aba46486b1d6 [INFO] running `Command { std: "docker" "start" "-a" "e77fdf4b27f996b69e2aa324fde9b49adfc39389c75835fd2845aba46486b1d6", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> src/atomic_shared_address.rs:33:29 [INFO] [stderr] | [INFO] [stderr] 33 | let result = self.0.compare_and_swap(current, new, order); [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::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> src/atomic_shared_address_range.rs:35:29 [INFO] [stderr] | [INFO] [stderr] 35 | let result = self.0.compare_and_swap(current, new, order); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> src/shared_option.rs:47:14 [INFO] [stderr] | [INFO] [stderr] 47 | .compare_and_swap(UNOCCUPIED, RESERVED, Ordering::SeqCst) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> src/shared_option.rs:61:14 [INFO] [stderr] | [INFO] [stderr] 61 | .compare_and_swap(OCCUPIED, RESERVED, Ordering::SeqCst) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/shared_rc.rs:91:13 [INFO] [stderr] | [INFO] [stderr] 91 | / mem::replace( [INFO] [stderr] 92 | | &mut self.0, [INFO] [stderr] 93 | | ManuallyDrop::new(SharedBox::unchecked_from_address(SharedAddressRange::null())), [INFO] [stderr] 94 | | ); [INFO] [stderr] | |______________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> src/atomic_shared_address.rs:33:29 [INFO] [stderr] | [INFO] [stderr] 33 | let result = self.0.compare_and_swap(current, new, order); [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::AtomicU64::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> src/atomic_shared_address_range.rs:35:29 [INFO] [stderr] | [INFO] [stderr] 35 | let result = self.0.compare_and_swap(current, new, order); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> src/shared_option.rs:47:14 [INFO] [stderr] | [INFO] [stderr] 47 | .compare_and_swap(UNOCCUPIED, RESERVED, Ordering::SeqCst) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> src/shared_option.rs:61:14 [INFO] [stderr] | [INFO] [stderr] 61 | .compare_and_swap(OCCUPIED, RESERVED, Ordering::SeqCst) [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/shared_rc.rs:91:13 [INFO] [stderr] | [INFO] [stderr] 91 | / mem::replace( [INFO] [stderr] 92 | | &mut self.0, [INFO] [stderr] 93 | | ManuallyDrop::new(SharedBox::unchecked_from_address(SharedAddressRange::null())), [INFO] [stderr] 94 | | ); [INFO] [stderr] | |______________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/shared_data-e57c9598638db559) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test shared_box::test_five_boxes ... ok [INFO] [stdout] test shared_vec::test_vector ... ok [INFO] [stdout] test shared_rc::test_rc ... ok [INFO] [stdout] test shared_box::test_one_box ... ok [INFO] [stderr] Running tests/integration/mod.rs (/opt/rustwide/target/debug/deps/integration-39818090377fb008) [INFO] [stdout] test shared_channel::test_channels ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stderr] thread 'main' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] Found new event "Auto" [INFO] [stderr] left: `1`, [INFO] [stdout] Found new event "Auto" [INFO] [stderr] right: `2`', tests/integration/tests.rs:45:5 [INFO] [stdout] Found new event "Auto" [INFO] [stderr] stack backtrace: [INFO] [stdout] test tests::test_vector ... ok [INFO] [stdout] test tests::test_setup_success ... ok [INFO] [stdout] test tests::test_shared_box ... ok [INFO] [stderr] 0: 0x55d3f259ecd0 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55d3f259ecd0 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55d3f259ecd0 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55d3f259ecd0 - ::fmt::h2a772198c4032452 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55d3f25b996c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x55d3f259cf95 - std::io::Write::write_fmt::h00f38d9eb2c32e02 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/io/mod.rs:1663:15 [INFO] [stderr] 6: 0x55d3f25a0b2b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55d3f25a0b2b - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55d3f25a0b2b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55d3f25a0601 - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55d3f25a11f4 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55d3f25a0cd7 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55d3f259f1cc - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55d3f25a0c39 - rust_begin_unwind [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55d3f2429581 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55d3f25b8b38 - core::panicking::assert_failed_inner::h6ded2444c01d76f2 [INFO] [stderr] 16: 0x55d3f257508a - core::panicking::assert_failed::h9c59489aeef3139a [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/panicking.rs:117:5 [INFO] [stderr] 17: 0x55d3f242ab63 - child::tests::run_fail::ha1033de089854291 [INFO] [stderr] at /opt/rustwide/workdir/tests/integration/tests.rs:45:5 [INFO] [stderr] 18: 0x55d3f242aa8b - child::tests::ChildId::run::hde91436495060b16 [INFO] [stderr] at /opt/rustwide/workdir/tests/integration/tests.rs:30:30 [INFO] [stderr] 19: 0x55d3f242b420 - child::harness::child::hbfc90156d5a86e79 [INFO] [stderr] at /opt/rustwide/workdir/tests/integration/harness.rs:56:5 [INFO] [stderr] 20: 0x55d3f242a6cd - child::main::h8a6d42b81c6a8361 [INFO] [stderr] at /opt/rustwide/workdir/tests/integration/child.rs:13:5 [INFO] [stderr] 21: 0x55d3f242ad6b - core::ops::function::FnOnce::call_once::h242c089fd2462e96 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 22: 0x55d3f242a8ae - std::sys_common::backtrace::__rust_begin_short_backtrace::h77ebe655f4ba7833 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 23: 0x55d3f242a981 - std::rt::lang_start::{{closure}}::h227a859f223be650 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:63:18 [INFO] [stderr] 24: 0x55d3f25a16fa - core::ops::function::impls:: for &F>::call_once::hcbe5785d54a49ce2 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 25: 0x55d3f25a16fa - std::panicking::try::do_call::h1c15e7ee8563c29d [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40 [INFO] [stderr] 26: 0x55d3f25a16fa - std::panicking::try::hb8b07cef009cb4fc [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19 [INFO] [stderr] 27: 0x55d3f25a16fa - std::panic::catch_unwind::h65a8efbe596bcbb1 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14 [INFO] [stderr] 28: 0x55d3f25a16fa - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:45:48 [INFO] [stderr] 29: 0x55d3f25a16fa - std::panicking::try::do_call::h29cafa65efb3f3f3 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40 [INFO] [stderr] 30: 0x55d3f25a16fa - std::panicking::try::h412fc5378b4dbfc4 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19 [INFO] [stderr] 31: 0x55d3f25a16fa - std::panic::catch_unwind::h555def6aac5bf192 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14 [INFO] [stderr] 32: 0x55d3f25a16fa - std::rt::lang_start_internal::hfff48202d7fee6e3 [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:45:20 [INFO] [stderr] 33: 0x55d3f242a950 - std::rt::lang_start::hc0f3fa095faecccd [INFO] [stderr] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:62:5 [INFO] [stderr] 34: 0x55d3f242a75c - main [INFO] [stderr] 35: 0x7f1b4008a0b3 - __libc_start_main [INFO] [stderr] 36: 0x55d3f2429d1e - _start [INFO] [stderr] 37: 0x0 - [INFO] [stdout] test tests::test_setup_failure ... ok [INFO] [stderr] Doc-tests shared-data [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [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" "e77fdf4b27f996b69e2aa324fde9b49adfc39389c75835fd2845aba46486b1d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e77fdf4b27f996b69e2aa324fde9b49adfc39389c75835fd2845aba46486b1d6", kill_on_drop: false }` [INFO] [stdout] e77fdf4b27f996b69e2aa324fde9b49adfc39389c75835fd2845aba46486b1d6