[INFO] fetching crate rsperftools 0.3.3... [INFO] building rsperftools-0.3.3 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate rsperftools 0.3.3 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate rsperftools 0.3.3 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rsperftools 0.3.3 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate rsperftools 0.3.3 [INFO] tweaked toml for crates.io crate rsperftools 0.3.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate rsperftools 0.3.3 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rgb v0.8.14 [INFO] [stderr] Downloaded structopt v0.3.3 [INFO] [stderr] Downloaded memoffset v0.5.1 [INFO] [stderr] Downloaded num_cpus v1.10.1 [INFO] [stderr] Downloaded smallvec v0.6.10 [INFO] [stderr] Downloaded parking_lot_core v0.2.14 [INFO] [stderr] Downloaded cc v1.0.46 [INFO] [stderr] Downloaded crossbeam-epoch v0.7.2 [INFO] [stderr] Downloaded num-format v0.4.0 [INFO] [stderr] Downloaded parking_lot v0.4.8 [INFO] [stderr] Downloaded chashmap v2.2.2 [INFO] [stderr] Downloaded quick-xml v0.16.1 [INFO] [stderr] Downloaded crossbeam-deque v0.7.1 [INFO] [stderr] Downloaded crossbeam v0.7.2 [INFO] [stderr] Downloaded structopt-derive v0.3.3 [INFO] [stderr] Downloaded libc v0.2.65 [INFO] [stderr] Downloaded inferno v0.9.0 [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ade1c60513540e7008b855f779fa21017e7a088a11b9c29d235a5b7d30eca874 [INFO] running `Command { std: "docker" "start" "-a" "ade1c60513540e7008b855f779fa21017e7a088a11b9c29d235a5b7d30eca874", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ade1c60513540e7008b855f779fa21017e7a088a11b9c29d235a5b7d30eca874", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ade1c60513540e7008b855f779fa21017e7a088a11b9c29d235a5b7d30eca874", kill_on_drop: false }` [INFO] [stdout] ade1c60513540e7008b855f779fa21017e7a088a11b9c29d235a5b7d30eca874 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb507e757854ca2466b5f90de4ce6ee87a0994aac06bb300df36144ef3ee6c6d [INFO] running `Command { std: "docker" "start" "-a" "cb507e757854ca2466b5f90de4ce6ee87a0994aac06bb300df36144ef3ee6c6d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling cc v1.0.46 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling nix v0.15.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling backtrace v0.3.40 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling rsperftools v0.3.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / quick_error! { [INFO] [stdout] 2 | | #[derive(Debug)] [INFO] [stdout] 3 | | pub enum Error { [INFO] [stdout] 4 | | NixError(err: nix::Error) { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / quick_error! { [INFO] [stdout] 2 | | #[derive(Debug)] [INFO] [stdout] 3 | | pub enum Error { [INFO] [stdout] 4 | | NixError(err: nix::Error) { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / quick_error! { [INFO] [stdout] 2 | | #[derive(Debug)] [INFO] [stdout] 3 | | pub enum Error { [INFO] [stdout] 4 | | NixError(err: nix::Error) { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / quick_error! { [INFO] [stdout] 2 | | #[derive(Debug)] [INFO] [stdout] 3 | | pub enum Error { [INFO] [stdout] 4 | | NixError(err: nix::Error) { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / quick_error! { [INFO] [stdout] 2 | | #[derive(Debug)] [INFO] [stdout] 3 | | pub enum Error { [INFO] [stdout] 4 | | NixError(err: nix::Error) { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:7:29 [INFO] [stdout] | [INFO] [stdout] 7 | description(err.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:12:29 [INFO] [stdout] | [INFO] [stdout] 12 | description(err.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `addr`, `lineno`, and `filename` are never read [INFO] [stdout] --> src/frames.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 99 | pub struct Symbol { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 100 | name: Option>, [INFO] [stdout] 101 | addr: Option<*mut c_void>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 102 | lineno: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 103 | filename: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Symbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[collector::Entry; 4]` does not permit being left uninitialized [INFO] [stdout] --> src/collector.rs:26:31 [INFO] [stdout] | [INFO] [stdout] 26 | entries: unsafe { std::mem::MaybeUninit::uninit().assume_init() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/collector.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub count: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[Bucket; 20]` does not permit being left uninitialized [INFO] [stdout] --> src/collector.rs:103:31 [INFO] [stdout] | [INFO] [stdout] 103 | buckets: unsafe { std::mem::MaybeUninit::uninit().assume_init() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/collector.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub length: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[Frame; 32]` does not permit being left uninitialized [INFO] [stdout] --> src/frames.rs:42:22 [INFO] [stdout] | [INFO] [stdout] 42 | unsafe { std::mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: enums with multiple inhabited variants have to be initialized to a variant [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/backtrace-0.3.40/src/backtrace/libunwind.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | pub enum Frame { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 16]` does not permit being left uninitialized [INFO] [stdout] --> src/frames.rs:47:22 [INFO] [stdout] | [INFO] [stdout] 47 | unsafe { std::mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[Frame; 32]` does not permit being left uninitialized [INFO] [stdout] --> src/profiler.rs:64:47 [INFO] [stdout] | [INFO] [stdout] 64 | let mut bt: [Frame; MAX_DEPTH] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: enums with multiple inhabited variants have to be initialized to a variant [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/backtrace-0.3.40/src/backtrace/libunwind.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | pub enum Frame { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[i8; 16]` does not permit being left uninitialized [INFO] [stdout] --> src/profiler.rs:81:26 [INFO] [stdout] | [INFO] [stdout] 81 | unsafe { std::mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.57s [INFO] running `Command { std: "docker" "inspect" "cb507e757854ca2466b5f90de4ce6ee87a0994aac06bb300df36144ef3ee6c6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb507e757854ca2466b5f90de4ce6ee87a0994aac06bb300df36144ef3ee6c6d", kill_on_drop: false }` [INFO] [stdout] cb507e757854ca2466b5f90de4ce6ee87a0994aac06bb300df36144ef3ee6c6d [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 78619e5ba11495d53261bf619a5d05c217a891d810c7ce44c5fb689dc07061ea [INFO] running `Command { std: "docker" "start" "-a" "78619e5ba11495d53261bf619a5d05c217a891d810c7ce44c5fb689dc07061ea", kill_on_drop: false }` [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / quick_error! { [INFO] [stdout] 2 | | #[derive(Debug)] [INFO] [stdout] 3 | | pub enum Error { [INFO] [stdout] 4 | | NixError(err: nix::Error) { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / quick_error! { [INFO] [stdout] 2 | | #[derive(Debug)] [INFO] [stdout] 3 | | pub enum Error { [INFO] [stdout] 4 | | NixError(err: nix::Error) { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / quick_error! { [INFO] [stdout] 2 | | #[derive(Debug)] [INFO] [stdout] 3 | | pub enum Error { [INFO] [stdout] 4 | | NixError(err: nix::Error) { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / quick_error! { [INFO] [stdout] 2 | | #[derive(Debug)] [INFO] [stdout] 3 | | pub enum Error { [INFO] [stdout] 4 | | NixError(err: nix::Error) { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / quick_error! { [INFO] [stdout] 2 | | #[derive(Debug)] [INFO] [stdout] 3 | | pub enum Error { [INFO] [stdout] 4 | | NixError(err: nix::Error) { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:7:29 [INFO] [stdout] | [INFO] [stdout] 7 | description(err.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:12:29 [INFO] [stdout] | [INFO] [stdout] 12 | description(err.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `addr`, `lineno`, and `filename` are never read [INFO] [stdout] --> src/frames.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 99 | pub struct Symbol { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 100 | name: Option>, [INFO] [stdout] 101 | addr: Option<*mut c_void>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 102 | lineno: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 103 | filename: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Symbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[collector::Entry; 4]` does not permit being left uninitialized [INFO] [stdout] --> src/collector.rs:26:31 [INFO] [stdout] | [INFO] [stdout] 26 | entries: unsafe { std::mem::MaybeUninit::uninit().assume_init() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/collector.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub count: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[Bucket; 20]` does not permit being left uninitialized [INFO] [stdout] --> src/collector.rs:103:31 [INFO] [stdout] | [INFO] [stdout] 103 | buckets: unsafe { std::mem::MaybeUninit::uninit().assume_init() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/collector.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub length: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[Frame; 32]` does not permit being left uninitialized [INFO] [stdout] --> src/frames.rs:42:22 [INFO] [stdout] | [INFO] [stdout] 42 | unsafe { std::mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: enums with multiple inhabited variants have to be initialized to a variant [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/backtrace-0.3.40/src/backtrace/libunwind.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | pub enum Frame { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 16]` does not permit being left uninitialized [INFO] [stdout] --> src/frames.rs:47:22 [INFO] [stdout] | [INFO] [stdout] 47 | unsafe { std::mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[Frame; 32]` does not permit being left uninitialized [INFO] [stdout] --> src/profiler.rs:64:47 [INFO] [stdout] | [INFO] [stdout] 64 | let mut bt: [Frame; MAX_DEPTH] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: enums with multiple inhabited variants have to be initialized to a variant [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/backtrace-0.3.40/src/backtrace/libunwind.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | pub enum Frame { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[i8; 16]` does not permit being left uninitialized [INFO] [stdout] --> src/profiler.rs:81:26 [INFO] [stdout] | [INFO] [stdout] 81 | unsafe { std::mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rsperftools v0.3.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / quick_error! { [INFO] [stdout] 2 | | #[derive(Debug)] [INFO] [stdout] 3 | | pub enum Error { [INFO] [stdout] 4 | | NixError(err: nix::Error) { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / quick_error! { [INFO] [stdout] 2 | | #[derive(Debug)] [INFO] [stdout] 3 | | pub enum Error { [INFO] [stdout] 4 | | NixError(err: nix::Error) { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / quick_error! { [INFO] [stdout] 2 | | #[derive(Debug)] [INFO] [stdout] 3 | | pub enum Error { [INFO] [stdout] 4 | | NixError(err: nix::Error) { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / quick_error! { [INFO] [stdout] 2 | | #[derive(Debug)] [INFO] [stdout] 3 | | pub enum Error { [INFO] [stdout] 4 | | NixError(err: nix::Error) { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / quick_error! { [INFO] [stdout] 2 | | #[derive(Debug)] [INFO] [stdout] 3 | | pub enum Error { [INFO] [stdout] 4 | | NixError(err: nix::Error) { [INFO] [stdout] ... | [INFO] [stdout] 18 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:7:29 [INFO] [stdout] | [INFO] [stdout] 7 | description(err.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:12:29 [INFO] [stdout] | [INFO] [stdout] 12 | description(err.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `addr`, `lineno`, and `filename` are never read [INFO] [stdout] --> src/frames.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 99 | pub struct Symbol { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 100 | name: Option>, [INFO] [stdout] 101 | addr: Option<*mut c_void>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 102 | lineno: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 103 | filename: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Symbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[collector::Entry; 4]` does not permit being left uninitialized [INFO] [stdout] --> src/collector.rs:26:31 [INFO] [stdout] | [INFO] [stdout] 26 | entries: unsafe { std::mem::MaybeUninit::uninit().assume_init() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/collector.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub count: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[Bucket; 20]` does not permit being left uninitialized [INFO] [stdout] --> src/collector.rs:103:31 [INFO] [stdout] | [INFO] [stdout] 103 | buckets: unsafe { std::mem::MaybeUninit::uninit().assume_init() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/collector.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub length: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[Frame; 32]` does not permit being left uninitialized [INFO] [stdout] --> src/frames.rs:42:22 [INFO] [stdout] | [INFO] [stdout] 42 | unsafe { std::mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: enums with multiple inhabited variants have to be initialized to a variant [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/backtrace-0.3.40/src/backtrace/libunwind.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | pub enum Frame { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[u8; 16]` does not permit being left uninitialized [INFO] [stdout] --> src/frames.rs:47:22 [INFO] [stdout] | [INFO] [stdout] 47 | unsafe { std::mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[Frame; 32]` does not permit being left uninitialized [INFO] [stdout] --> src/profiler.rs:64:47 [INFO] [stdout] | [INFO] [stdout] 64 | let mut bt: [Frame; MAX_DEPTH] = unsafe { std::mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: enums with multiple inhabited variants have to be initialized to a variant [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/backtrace-0.3.40/src/backtrace/libunwind.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | pub enum Frame { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[i8; 16]` does not permit being left uninitialized [INFO] [stdout] --> src/profiler.rs:81:26 [INFO] [stdout] | [INFO] [stdout] 81 | unsafe { std::mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "78619e5ba11495d53261bf619a5d05c217a891d810c7ce44c5fb689dc07061ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78619e5ba11495d53261bf619a5d05c217a891d810c7ce44c5fb689dc07061ea", kill_on_drop: false }` [INFO] [stdout] 78619e5ba11495d53261bf619a5d05c217a891d810c7ce44c5fb689dc07061ea